Title: Software Integration Engineer
Location: Annapolis Junction, MD

*Clearance: *Active TS/SCI w/ Polygraph needed to apply *
Company Overview:
Cornerstone Defense is the Employer of Choice within the Intelligence, Defense, and Space communities of the U.S. Government.  Realizing early on that our most prized assets are our employees, we continually focus our attention on improving the overall work/life experience they have supporting the mission.  Our Team is pushed every day to use their industry leading knowledge to provide end-to-end solutions to combat our nation’s toughest and most secure problems.  If you are looking for a place to not only be professionally challenged, but encouraged and supported by a company that cares, don’t look any further than Cornerstone Defense.

Software Integration Engineer – Level 2
Position Description

The Software Integration Engineer shall develop software Tools and Services in a PaaS Linux environment supporting an ‘on-prem’ cloud offering with open source software using Kubernetes, Docker, Rook and other cutting edge software. Expertise and desire to work in a containerized landlord/tenant environment is essential. The Software Integration Engineer shall support the development of Tools and Services that increase the efficiency of software to production within a DevOps culture.

Position Required Skills
 

Position Desired Skills
 

Software Integration Engineer – Level 2
Position Description

The Software Integration Engineer shall develop software Tools and Services in a PaaS Linux environment supporting an ‘on-prem’ cloud offering with open source software using Kubernetes, Docker, Rook and other cutting edge software. Expertise and desire to work in a containerized landlord/tenant environment is essential. The Software Integration Engineer shall support the development of Tools and Services that increase the efficiency of software to production within a DevOps culture.

Position Required Skills
 

Position Desired Skills
 

Atlassian Systems Engineer
Annapolis Junction, MD

*Clearance: *Active TS/SCI w/ Polygraph needed to apply *
Company Overview:
Cornerstone Defense is the Employer of Choice within the Intelligence, Defense, and Space communities of the U.S. Government.  Realizing early on that our most prized assets are our employees, we continually focus our attention on improving the overall work/life experience they have supporting the mission.  Our Team is pushed every day to use their industry leading knowledge to provide end-to-end solutions to combat our nation’s toughest and most secure problems.  If you are looking for a place to not only be professionally challenged, but encouraged and supported by a company that cares, don’t look any further than Cornerstone Defense.

(U) Systems Engineering:

  1. Understand features and administrative responsibilities for maintaining the health, scalability, manageability, and security for the Atlassian applications and plugins using Data Center
  2. Know all aspects of project workflows, security, permission, fields, and notifications.
  3. Demonstrated experience and understanding of the Atlassian Architecture and Suite of software products to include all: Bamboo, Bitbucket, Confluence, Crowd, Fisheye/Crucible, Jira Service Management, Jira Software, and Insight/Assets.
  4. Demonstrated experience administering the Atlassian Suite, writing JQL (JIRA Query Language), constructing Confluence pages, performing installations and migrations, and working with JIRA filters, reporting, dashboards, workflows, fields, administration, 3rd party add-ons, etc.
  5. Demonstrated experience using puppet or other software configuration management tool.
  6. Demonstrated experience managing Linux/Unix system patches.
  7. Demonstrated experience using Linux for application upgrades and troubleshoot service disruptions
  8. Demonstrated experience helping teams improve their utilization of existing tools across a diverse set of processes including intake, backlog grooming, sprint and release planning, test planning and execution, incident management, and problem management.
  9. Demonstrated experience providing process and tools training for both individual users as well as new or established agile teams of varying degrees of size and maturity.
  10. Demonstrated experience developing valuable metrics, able to gather and translate business requirements inti Jira projects and dashboards, and advanced filters for end-users and business leadership.
  11. Demonstrated experience documenting processes and standard operating procedures.
  12. Demonstrated experience with agile software development processes
  13. Demonstrated experience using VCenter and VM administration
  14. Demonstrated experience using JavaScript to enhance automation of Jira projects
(U) Desired Skills:

  1. Demonstrated experience with or understanding of authentication and authorization fundamentals in Sponsor’s IT environment.
  2. Demonstrated experience with web application development.
  3. Demonstrated experience maintaining a VMware or Hyper-V infrastructure.
  4. Demonstrated experience with Windows Operating Systems.
  5. Demonstrated experience or familiarity with Server/RAID.
  6. Demonstrated programming experience in bash, ruby, or python.
  7. Demonstrated understanding of authentication and authorization fundamentals within the Sponsor or Sponsor’s partner’s network.
  8. Demonstrated on-the-job experience in identifying, integrating and implementing technology-enabled solutions and industry-best practices for the Sponsor.
  9. Demonstrated on-the-job experience supporting and managing a Hadoop environment.
  10. Certifications:

Atlassian Certification
Microsoft Certifications
Cisco Network Certifications
Linux Certifications
VMware Certifications
ITIL certifications
Cloudera Certified Administrator
Jira Administration for Data Center and Server (SCP-100)
Jira Essentials with Agile Mindset
Confluence Administration Data Center
 

(U) Systems Engineering:

  1. Understand features and administrative responsibilities for maintaining the health, scalability, manageability, and security for the Atlassian applications and plugins using Data Center
  2. Know all aspects of project workflows, security, permission, fields, and notifications.
  3. Demonstrated experience and understanding of the Atlassian Architecture and Suite of software products to include all: Bamboo, Bitbucket, Confluence, Crowd, Fisheye/Crucible, Jira Service Management, Jira Software, and Insight/Assets.
  4. Demonstrated experience administering the Atlassian Suite, writing JQL (JIRA Query Language), constructing Confluence pages, performing installations and migrations, and working with JIRA filters, reporting, dashboards, workflows, fields, administration, 3rd party add-ons, etc.
  5. Demonstrated experience using puppet or other software configuration management tool.
  6. Demonstrated experience managing Linux/Unix system patches.
  7. Demonstrated experience using Linux for application upgrades and troubleshoot service disruptions
  8. Demonstrated experience helping teams improve their utilization of existing tools across a diverse set of processes including intake, backlog grooming, sprint and release planning, test planning and execution, incident management, and problem management.
  9. Demonstrated experience providing process and tools training for both individual users as well as new or established agile teams of varying degrees of size and maturity.
  10. Demonstrated experience developing valuable metrics, able to gather and translate business requirements inti Jira projects and dashboards, and advanced filters for end-users and business leadership.
  11. Demonstrated experience documenting processes and standard operating procedures.
  12. Demonstrated experience with agile software development processes
  13. Demonstrated experience using VCenter and VM administration
  14. Demonstrated experience using JavaScript to enhance automation of Jira projects
(U) Desired Skills:

  1. Demonstrated experience with or understanding of authentication and authorization fundamentals in Sponsor’s IT environment.
  2. Demonstrated experience with web application development.
  3. Demonstrated experience maintaining a VMware or Hyper-V infrastructure.
  4. Demonstrated experience with Windows Operating Systems.
  5. Demonstrated experience or familiarity with Server/RAID.
  6. Demonstrated programming experience in bash, ruby, or python.
  7. Demonstrated understanding of authentication and authorization fundamentals within the Sponsor or Sponsor’s partner’s network.
  8. Demonstrated on-the-job experience in identifying, integrating and implementing technology-enabled solutions and industry-best practices for the Sponsor.
  9. Demonstrated on-the-job experience supporting and managing a Hadoop environment.
  10. Certifications:

Atlassian Certification
Microsoft Certifications
Cisco Network Certifications
Linux Certifications
VMware Certifications
ITIL certifications
Cloudera Certified Administrator
Jira Administration for Data Center and Server (SCP-100)
Jira Essentials with Agile Mindset
Confluence Administration Data Center

 

Title: System Engineer
Location: Annapolis Junction, MD
*Clearance: *Active TS/SCI w/ Polygraph needed to apply *
Company Overview:
Cornerstone Defense is the Employer of Choice within the Intelligence, Defense, and Space communities of the U.S. Government.  Realizing early on that our most prized assets are our employees, we continually focus our attention on improving the overall work/life experience they have supporting the mission.  Our Team is pushed every day to use their industry leading knowledge to provide end-to-end solutions to combat our nation’s toughest and most secure problems.  If you are looking for a place to not only be professionally challenged, but encouraged and supported by a company that cares, don’t look any further than Cornerstone Defense.
 

Required Skills:

Desired Skills:

​​​​​​​

Title: Software Engineer
Location: Annapolis Junction, MD
*Clearance: *Active TS/SCI w/ Polygraph needed to apply *
Company Overview:
Cornerstone Defense is the Employer of Choice within the Intelligence, Defense, and Space communities of the U.S. Government.  Realizing early on that our most prized assets are our employees, we continually focus our attention on improving the overall work/life experience they have supporting the mission.  Our Team is pushed every day to use their industry leading knowledge to provide end-to-end solutions to combat our nation’s toughest and most secure problems.  If you are looking for a place to not only be professionally challenged, but encouraged and supported by a company that cares, don’t look any further than Cornerstone Defense.
 

Required Skills:

 
Desired Skills:

 

​​​​​​​

Title: Software Engineer
Location: Annapolis Junction, MD
*Clearance: *Active TS/SCI w/ Polygraph needed to apply *
Company Overview:
Cornerstone Defense is the Employer of Choice within the Intelligence, Defense, and Space communities of the U.S. Government.  Realizing early on that our most prized assets are our employees, we continually focus our attention on improving the overall work/life experience they have supporting the mission.  Our Team is pushed every day to use their industry leading knowledge to provide end-to-end solutions to combat our nation’s toughest and most secure problems.  If you are looking for a place to not only be professionally challenged, but encouraged and supported by a company that cares, don’t look any further than Cornerstone Defense.

*Clearance: *Active TS/SCI w/ Polygraph needed to apply *
Company Overview:
Cornerstone Defense is the Employer of Choice within the Intelligence, Defense, and Space communities of the U.S. Government.  Realizing early on that our most prized assets are our employees, we continually focus our attention on improving the overall work/life experience they have supporting the mission.  Our Team is pushed every day to use their industry leading knowledge to provide end-to-end solutions to combat our nation’s toughest and most secure problems.  If you are looking for a place to not only be professionally challenged, but encouraged and supported by a company that cares, don’t look any further than Cornerstone Defense.

​​​​​​​

Title: System Engineer
Location: Annapolis Junction, MD
*Clearance: *Active TS/SCI w/ Polygraph needed to apply *
Company Overview:
Cornerstone Defense is the Employer of Choice within the Intelligence, Defense, and Space communities of the U.S. Government.  Realizing early on that our most prized assets are our employees, we continually focus our attention on improving the overall work/life experience they have supporting the mission.  Our Team is pushed every day to use their industry leading knowledge to provide end-to-end solutions to combat our nation’s toughest and most secure problems.  If you are looking for a place to not only be professionally challenged, but encouraged and supported by a company that cares, don’t look any further than Cornerstone Defense.

 

Required Skills:

Desired Skills:

​​​​​​​

Title: Software Engineer
Location: Annapolis Junction, MD

*Clearance: *Active TS/SCI w/ Polygraph needed to apply *
Company Overview:
Cornerstone Defense is the Employer of Choice within the Intelligence, Defense, and Space communities of the U.S. Government.  Realizing early on that our most prized assets are our employees, we continually focus our attention on improving the overall work/life experience they have supporting the mission.  Our Team is pushed every day to use their industry leading knowledge to provide end-to-end solutions to combat our nation’s toughest and most secure problems.  If you are looking for a place to not only be professionally challenged, but encouraged and supported by a company that cares, don’t look any further than Cornerstone Defense.
 

Required Skills:

Desired Skills:

Title: Lead Software Developer
Location: Annapolis Junction, MD
*Clearance: *Active TS/SCI w/ Polygraph needed to apply *
Company Overview:
Cornerstone Defense is the Employer of Choice within the Intelligence, Defense, and Space communities of the U.S. Government.  Realizing early on that our most prized assets are our employees, we continually focus our attention on improving the overall work/life experience they have supporting the mission.  Our Team is pushed every day to use their industry leading knowledge to provide end-to-end solutions to combat our nation’s toughest and most secure problems.  If you are looking for a place to not only be professionally challenged, but encouraged and supported by a company that cares, don’t look any further than Cornerstone Defense.
 

Required Skills:

 
Desired Skills:

​​​​​​​

Title: Full Stack Software Developer
Location: Annapolis Junction, MD
*Clearance: *Active TS/SCI w/ Polygraph needed to apply *
Company Overview:
Cornerstone Defense is the Employer of Choice within the Intelligence, Defense, and Space communities of the U.S. Government.  Realizing early on that our most prized assets are our employees, we continually focus our attention on improving the overall work/life experience they have supporting the mission.  Our Team is pushed every day to use their industry leading knowledge to provide end-to-end solutions to combat our nation’s toughest and most secure problems.  If you are looking for a place to not only be professionally challenged, but encouraged and supported by a company that cares, don’t look any further than Cornerstone Defense.
 

Required Skills:

 
Desired Skills:

 
​​​​​​​

Title: SharePoint Developer
Location: Annapolis Junction, MD
*Clearance: *Active TS/SCI w/ Polygraph needed to apply *
Company Overview:
Cornerstone Defense is the Employer of Choice within the Intelligence, Defense, and Space communities of the U.S. Government.  Realizing early on that our most prized assets are our employees, we continually focus our attention on improving the overall work/life experience they have supporting the mission.  Our Team is pushed every day to use their industry leading knowledge to provide end-to-end solutions to combat our nation’s toughest and most secure problems.  If you are looking for a place to not only be professionally challenged, but encouraged and supported by a company that cares, don’t look any further than Cornerstone Defense.
 

Required Skills:

 
Desired Skills:

 

​​​​​​​

Title: AWS Infastructure Engineer
Location: Annapolis Junction, MD
*Clearance: *Active TS/SCI w/ Polygraph needed to apply *
Company Overview:
Cornerstone Defense is the Employer of Choice within the Intelligence, Defense, and Space communities of the U.S. Government.  Realizing early on that our most prized assets are our employees, we continually focus our attention on improving the overall work/life experience they have supporting the mission.  Our Team is pushed every day to use their industry leading knowledge to provide end-to-end solutions to combat our nation’s toughest and most secure problems.  If you are looking for a place to not only be professionally challenged, but encouraged and supported by a company that cares, don’t look any further than Cornerstone Defense.
 

Required Skills:

Desired Skills:

 

Title: Cloud Development Engineer
Location: Annapolis Junction, MD
*Clearance: *Active TS/SCI w/ Polygraph needed to apply *
Company Overview:
Cornerstone Defense is the Employer of Choice within the Intelligence, Defense, and Space communities of the U.S. Government.  Realizing early on that our most prized assets are our employees, we continually focus our attention on improving the overall work/life experience they have supporting the mission.  Our Team is pushed every day to use their industry leading knowledge to provide end-to-end solutions to combat our nation’s toughest and most secure problems.  If you are looking for a place to not only be professionally challenged, but encouraged and supported by a company that cares, don’t look any further than Cornerstone Defense.

Remote Work Flexible

Required Skills:

Desired Skills:

 

Title: Lead DevOps Engineer
Location: Annapolis Junction, MD
*Clearance: *Active TS/SCI w/ Polygraph needed to apply *
Company Overview:
Cornerstone Defense is the Employer of Choice within the Intelligence, Defense, and Space communities of the U.S. Government.  Realizing early on that our most prized assets are our employees, we continually focus our attention on improving the overall work/life experience they have supporting the mission.  Our Team is pushed every day to use their industry leading knowledge to provide end-to-end solutions to combat our nation’s toughest and most secure problems.  If you are looking for a place to not only be professionally challenged, but encouraged and supported by a company that cares, don’t look any further than Cornerstone Defense.

1 day/week remote
•    Evolve Extract, Transform, Load (ETL) pipelines of structured and unstructured data from a verity of disparate sources to meet the needs of an advanced Insider Threat program.
•    Design analytical visualizations via custom dashboards through a collaborative process with Data Science and Analysis staff.
•    Participate in all steps of the continuous development lifecycle – including design, development, testing, and deployment.
•    Provide support and presentations of the visualization platform to internal customers and senior leadership.
•    Work with the design team and product management to implement innovative analytic and visualization approaches to solve real-world threat problems.
Required Skills:

Desired Skills:

 

​​​​​​​

Title: Storage Engineer
Location: Annapolis Junction, MD
*Clearance: *Active TS/SCI w/ Polygraph needed to apply *
Company Overview:
Cornerstone Defense is the Employer of Choice within the Intelligence, Defense, and Space communities of the U.S. Government.  Realizing early on that our most prized assets are our employees, we continually focus our attention on improving the overall work/life experience they have supporting the mission.  Our Team is pushed every day to use their industry leading knowledge to provide end-to-end solutions to combat our nation’s toughest and most secure problems.  If you are looking for a place to not only be professionally challenged, but encouraged and supported by a company that cares, don’t look any further than Cornerstone Defense.

Required Skills:
– proven skills in performing in-depth support, administrative functions, and performance management for NetApp data storage controllers running the ONTAP operating system in NFS and Windows (CIFS) multiprotocol environments Or proven skills in any Data storage administration in general.
 – understand how to implement high-availability controller configurations, and have detailed knowledge of technologies used to manage and protect mission-critical data.
– Working experience with Brocade Switches and Brocade Network Advisor software
– Backup storage solutions architecture design, installation, configuration and administration in mission critical production environments
– Experience in CommVault Backup technologies design, implementation and administration and Management.
– Or excellent knowledge on any of the following backup storage solution: TSM (Tivoli Storage Manager) Netbackup and EMC Avamar backup technologies.
– Experience with Quantum Tape libraries or any LTO Libraries
– Working experience with VMware vSphere/vCenter
– Working experience with SQL cluster servers
– Working experience with Windows/Linux servers
Desired Skills:
– Strong Interpersonal, analytical and investigation skills, with a structured approach to problem solving.
– Able to grasp new concepts quickly and efficiently
DoD 8570 Compliance with IAT level 1 is required
 

Title: Systems Administrator IV
Location: Annapolis Junction, MD
*Clearance: *Active TS/SCI w/ Polygraph needed to apply *
Company Overview:
Cornerstone Defense is the Employer of Choice within the Intelligence, Defense, and Space communities of the U.S. Government.  Realizing early on that our most prized assets are our employees, we continually focus our attention on improving the overall work/life experience they have supporting the mission.  Our Team is pushed every day to use their industry leading knowledge to provide end-to-end solutions to combat our nation’s toughest and most secure problems.  If you are looking for a place to not only be professionally challenged, but encouraged and supported by a company that cares, don’t look any further than Cornerstone Defense.

 

SYSTEM ADMINISTRATOR IV
SYSTEM ADMINISTRATOR IV shall have a Bachelor’s Degree in Computer Science or related field, and have ten (10) years of demonstrable experience in system administration and support of a large client-server based IT enterprise.  Or the individual shall have five (5) years of full time computer science work that can be substituted for the Bachelor’s Degree, and have ten (10) years of demonstrable experience in system administration and support of a large client-server based IT enterprise.  An industry recognized professional certification may substitute as one year experience.

Experience shall include installation, configuration, and networking of UNIX and/or NT based platforms.  This experience shall include: creating, modifying and deleting user accounts, performing system back-ups, and maintaining system configuration files.  Individual shall have a fundamental understanding of operating systems ad be familiar with either UNIX or NT commands or utilities at the user level.  Experience shall include the installation and configuration of hardware, operating systems, and commercial software packages.  Individual shall be able to develop and implement enterprise backup/recovery strategies, server configuration and consolidation, and verification of the health and status of the entire IT infrastructure.  Individual shall be able to provide support for enterprise services such as DNS, NFS, e-mail services, security protection mechanisms, and the interoperability of UNIX and NT based systems.

SYSTEM ADMINISTRATOR IV for STORAGE
(U) In addition to the above qualifications, SYSTEM ADMINISTRATOR IV FOR STORAGE must have the following qualifications required by the relevant TTO: Installation, configuration, tuning, troubleshooting, and administration of:
• SGI IRIX based Operating System
• SGI systems with direct attached and FC SAN attached storage
• Network Appliance clustered servers with direct attached and FC SAN storage
• Network Appliance and SGI IRIX supported applications
• Multivendor clustered filesystems such as GPFS, Lustre
• Brocade FC switch network
• Enterprise class arrays
• Solid State Disk (SSD)
• NFS/CIFS based server/storage appliance
• HPSE
• Data Domain and similar deduplication products
• Cloud based storage solutions such as HADOOP, and IBM BigInsights
• Trouble ticket management utilizing Remedy

*IAT Level II Certification Required*

Title: Systems Administrator III
Location: Annapolis Junction, MD
*Clearance: *Active TS/SCI w/ Polygraph needed to apply *
Company Overview:
Cornerstone Defense is the Employer of Choice within the Intelligence, Defense, and Space communities of the U.S. Government.  Realizing early on that our most prized assets are our employees, we continually focus our attention on improving the overall work/life experience they have supporting the mission.  Our Team is pushed every day to use their industry leading knowledge to provide end-to-end solutions to combat our nation’s toughest and most secure problems.  If you are looking for a place to not only be professionally challenged, but encouraged and supported by a company that cares, don’t look any further than Cornerstone Defense.
 

Roles & Responsibilities:
Professionals in this mid-level role manage essential infrastructure services, ensuring high availability and performance of data center services, physical and virtual server-class systems and storage.  They are expected to lead medium-to-large scale projects, design and implement system policies, conduct advance troubleshooting, and are pivotal in the direct recovery efforts during critical system failures.  They also mentor Tier I/II staff members.  Professionals in this role are expected to have the ability to work alone and as part of larger team to complete projects on time.
Technologies:
• Advanced expertise in VMware  suite, CentOS and RHEL 7/8/9 system administration, and VDI (specifically VMware  Horizon, Citrix VDI).  They need in-depth experience with Active Directory, LDAP and Centrify for identity management, Infoblox for core network services, and proficiency in using Nagios and Splunk for comprehensive system monitoring and analytics.  Skills in automation scripts and experience with Salt and Ansible for configuration management are crucial. 
• Lead security vulnerability assessments and mitigation efforts on Linux systems and other devices, leveraging advanced features of Tenable Nessus.
• Experience with Linux provisioning server tools such as Kickstart and Cobbler to facilitate the automation of network-based system installations of multiple computer operating systems.
• Develop, refine and implement sophisticated security mitigation strategies, contributing to the enterprise’s cyber framework.
• Enterprise-level management of Hyper-converged Infrastructure, vendor hardware and software across multiple data centers.
• Experience using Atlassian’s team collaboration software suite like Jira and Confluence to help organize teams, discuss and complete shared work.
• Experience using ServiceNow or other enterprise digital workflow tools.
Years of Experience:
• 5-9 years of experience in a similar role
Degree Requirements:
• Bachelor’s degree in Computer Science, Information Technology, or a related field.
o Degree can be substituted with additional 2 years of relevant experience.
Certification Requirements:
• CompTIA Security+ CE (required)
• *CompTIA Linux+ or equivalent certification (required by 6/30/2024 for TTO6)
• VMware  Certified Professional, Red Hat Certified System Administrator or Red Hat Certified Engineer a plus.

Title: Technical Expert/Functional Expert 
Location: Annapolis Junction, MD
*Clearance: *Active TS/SCI w/ Polygraph needed to apply *
Company Overview:
Cornerstone Defense is the Employer of Choice within the Intelligence, Defense, and Space communities of the U.S. Government.  Realizing early on that our most prized assets are our employees, we continually focus our attention on improving the overall work/life experience they have supporting the mission.  Our Team is pushed every day to use their industry leading knowledge to provide end-to-end solutions to combat our nation’s toughest and most secure problems.  If you are looking for a place to not only be professionally challenged, but encouraged and supported by a company that cares, don’t look any further than Cornerstone Defense.
 

Technical Expert (Server)

Roles & Responsibilities:
Beyond Linux/VMware  System Administrator IV functions, the Technical Expert (TE) provides leadership in developing cutting-edge solutions, strategies and protocols for the HPC Infrastructure environment.  They handle the most complex challenges, lead research and development initiatives, architect and design initiatives, and provide expert consultations to Program Managers and IT staff. Technical Experts are expected to set educational performance standards for the technical team. TE’s are also responsible for maintaining technical working aids, creating and developing standard operating procedures, and conducting technical exchanges and leading brown bag sessions.

Technologies:
• Comprehensive experience across all utilized platforms, demonstrating visionary approach to system architecture, security, and performance optimization using VROps, vMware , vMware  NSX, RHEL/CentOS, Centrify, Infoblox, Salt, Cobbler, Ansible, Nagios, Splunk among others.  They are expected to stay abreast of technological advancements and integrate emerging technologies beneficial to the organizational IT infrastructure.
• Experience with Linux provisioning server tools such as Kickstart and Cobbler to facilitate the automation of network-based system installations of multiple computer operating systems.
• Enterprise-level management of Hyper-converged Infrastructure, vendor hardware and software across multiple data centers.
• Experience using Atlassian’s team collaboration software suite like Jira and Confluence to help organize teams, discuss and complete shared work.
• Pioneer the security architecture, leading expansive vulnerability and risk assessments and Linux systems and automate solutions, while forecasting security trends.
• Command the strategic domain architecture for group policy, computer objects within Active Directory and Centrify ecosystem using industry best practices. 
• Serve as the liaison and strategist for multi-team collaborations involving the network team, storage team, and SecOps, fostering a culture of synergy and futuristic planning.
• Architect and revolutionize security mitigation frameworks, steering the organization’s defense mechanisms and resilience building through automation.
Years of Experience:
• 15+ years of experience in a system architecture or administration role
Degree Requirements:
• Bachelor’s degree in Computer Science, Information Technology, or a related field.
• Degree can be substituted with additional 3 years of relevant experience.
Certification Requirements:
• CompTIA Security+ CE (required)
• VMware  Certified Professional, Red Hat Certified System Administrator or Red Hat Certified Engineer (preferred)

​​​​​​​

Title: Linux Software Integration Engineer
Location: Annapolis Junction, MD
*Clearance: *Active TS/SCI w/ Polygraph needed to apply *
Company Overview:
Cornerstone Defense is the Employer of Choice within the Intelligence, Defense, and Space communities of the U.S. Government.  Realizing early on that our most prized assets are our employees, we continually focus our attention on improving the overall work/life experience they have supporting the mission.  Our Team is pushed every day to use their industry leading knowledge to provide end-to-end solutions to combat our nation’s toughest and most secure problems.  If you are looking for a place to not only be professionally challenged, but encouraged and supported by a company that cares, don’t look any further than Cornerstone Defense.
 

SOFTWARE INTEGRATION ENGINEER III shall have a Bachelor's Degree in Computer Science or related field and have at least eight years of demonstrable experience with integrating, installing, configuring, upgrading, compiling and supporting COTS/GOTS software in a heterogeneous operating system environment. Or the individual shall have five (5) years full time Computer Science directly related work that can be substituted for a Bachelor's degree and have at least eight (8) years of demonstrable experience with integrating, installing, configuring, upgrading, compiling and supporting COTS/GOTS software in a heterogeneous operating system environment. An industry recognized professional certification, as defined in the TTOs, may substitute as one (1) year experience. A Master's Degree in Computer Science or related field may substitute for two (2) years experience.

**IAT Level II Certification Required

Title: Systems Administrator II
Location: Annapolis Junction, MD
*Clearance: *Active TS/SCI w/ Polygraph needed to apply *
Company Overview:
Cornerstone Defense is the Employer of Choice within the Intelligence, Defense, and Space communities of the U.S. Government.  Realizing early on that our most prized assets are our employees, we continually focus our attention on improving the overall work/life experience they have supporting the mission.  Our Team is pushed every day to use their industry leading knowledge to provide end-to-end solutions to combat our nation’s toughest and most secure problems.  If you are looking for a place to not only be professionally challenged, but encouraged and supported by a company that cares, don’t look any further than Cornerstone Defense.

 

Tier II professionals in this category support foundational aspects of the enterprise's HPC infrastructure and user-facing services utilizing Linux desktop operating systems. They conduct routine system maintenance checks, perform hardware and software installations, and assist in troubleshooting software (including applications), hardware technical issues (including peripherals) utilizing ServiceNow ticketing system. They are also responsible for documenting standard operating procedures and assisting higher-level administrators in larger projects.
Technologies: 
Exposure to CentOS/RHEL, VMware  Horizon, secure DNS. Candidates should be familiar with systems monitoring tools such as Nagios and Grafana, data processing using Splunk, and basic command-line scripting. Knowledge of Virtual Desktop Infrastructure (VDI) principles is a plus.
Additional Responsibilities & Skills:
• Conduct regular security patching, assessments and scans on Linux operating systems using tools like Tenable Nessus, identifying potential vulnerabilities and mitigating those vulnerabilities.
• Manage user home directories, accounts and groups efficiently using Active Directory and Centrify, ensuring proper access controls and adherence to security policies.
• Utilize LDAP for more advanced directory service operations.
• Engage actively with network team, storage team, server team, and security operations team; facilitating information flow and integrated problem-solving.
• Implement standard security mitigation techniques for identified vulnerabilities, ensuring system integrity.
Years of Experience:
• 1-5 years experience in help desk, account management and desktop system administration or a related area.
Degree Requirements:
• Associate Degree in Computer Science, Information Technology, or a related field.
o Degree can be substituted with additional 1 year of relevant experience.
• Certification Requirements:
• CompTIA Security+ CE (required)

Title: Systems Administrator III
Location: Annapolis Junction, MD
*Clearance: *Active TS/SCI w/ Polygraph needed to apply *
Company Overview:
Cornerstone Defense is the Employer of Choice within the Intelligence, Defense, and Space communities of the U.S. Government.  Realizing early on that our most prized assets are our employees, we continually focus our attention on improving the overall work/life experience they have supporting the mission.  Our Team is pushed every day to use their industry leading knowledge to provide end-to-end solutions to combat our nation’s toughest and most secure problems.  If you are looking for a place to not only be professionally challenged, but encouraged and supported by a company that cares, don’t look any further than Cornerstone Defense.
 

SYSTEM ADMINISTRATOR III shall have a Bachelor’s Degree in Computer Science or related field, and have eight (8) years of demonstrable experience in system administration and support of a large client-server based IT enterprise.  Or the individual shall have five (5) years of full time computer science work that can be substituted for the Bachelor’s Degree, and have eight (8) years of demonstrable experience in the system administration and support of a large client-server based IT enterprise.  An industry recognized professional certification may substitute as one year experience.

Experience shall include installation, configuration, and networking of UNIX and/or NT based platforms. This experience shall include: creating, modifying and deleting user accounts, performing system back-ups, and maintaining system configuration files.  Individual shall have a fundamental understanding of operating systems and be familiar with either UNIX or NT commands or utilities at the user level.  Experience shall include the installation and configuration of hardware, operating systems, and commercial software packages.  Individual shall be able to develop and implement enterprise backup/recovery strategies, server configuration and consolidation, and verification of the health and status of the entire IT infrastructure.  Individual shall be able to provide support for the enterprise services such as DNS, NFS, e-mail services, security protection mechanisms, and the interoperability of UNIX and NT based systems.

SYSTEM ADMINISTRATOR III for HPC
In addition to the above qualifications, SYSTEM ADMINISTRATOR III FOR HPC must have the following qualifications required by the relevant TTO: Installation, configuration, tuning, and support of:
o Multi-vendor servers running a plethora of COTS, opensource, and in-house applications to accommodate HPC Division IT support requirements
o Multi-vendor servers running Red Hat of SuSe with direct attached, FC SAN storage or SSDs
• Distributing computing tools such as ReS, LSF, and SLURM
• HPC farm systems, HPC MPP clustered systems, Front End servers of Special Purpose devices (SPDs)
• IBM of HP Blade servers with FC/SAS/Network back end
• Multi-vendor filesystems such as XFS, GPFS and Lustre
• Pre-Factory testing, Factory testing, System integration and Acceptance testing during the purchase process of the HPS systems

IAT Level II Certification Required

 

Title: Software Integration Engineer III
Location: Annapolis Junction, MD
*Clearance: *Active TS/SCI w/ Polygraph needed to apply *
Company Overview:
Cornerstone Defense is the Employer of Choice within the Intelligence, Defense, and Space communities of the U.S. Government.  Realizing early on that our most prized assets are our employees, we continually focus our attention on improving the overall work/life experience they have supporting the mission.  Our Team is pushed every day to use their industry leading knowledge to provide end-to-end solutions to combat our nation’s toughest and most secure problems.  If you are looking for a place to not only be professionally challenged, but encouraged and supported by a company that cares, don’t look any further than Cornerstone Defense.
 

SOFTWARE INTEGRATION ENGINEER III shall have a Bachelor's Degree in Computer Science or related field and have at least eight years of demonstrable experience with integrating, installing, configuring, upgrading, compiling and supporting COTS/GOTS software in a heterogeneous operating system environment. Or the individual shall have five (5) years full time Computer Science directly related work that can be substituted for a Bachelor's degree and have at least eight (8) years of demonstrable experience with integrating, installing, configuring, upgrading, compiling and supporting COTS/GOTS software in a heterogeneous operating system environment. An industry recognized professional certification, as defined in the TTOs, may substitute as one (1) year experience. A Master's Degree in Computer Science or related field may substitute for two (2) years experience.

IAT Level II Certification Required

Title: Software Integration Engineer IV
Location: Annapolis Junction, MD
*Clearance: *Active TS/SCI w/ Polygraph needed to apply *
Company Overview:
Cornerstone Defense is the Employer of Choice within the Intelligence, Defense, and Space communities of the U.S. Government.  Realizing early on that our most prized assets are our employees, we continually focus our attention on improving the overall work/life experience they have supporting the mission.  Our Team is pushed every day to use their industry leading knowledge to provide end-to-end solutions to combat our nation’s toughest and most secure problems.  If you are looking for a place to not only be professionally challenged, but encouraged and supported by a company that cares, don’t look any further than Cornerstone Defense.
 

Candidates will integrate, install, configure, upgrade, compile and support COTS/GOTS software in a heterogeneous operating system environment including Linux and Windows.

Candidates will work with cluster computing, shared file systems, high availability computing and system monitoring of software and will work with a variety of scripting languages.

Candidates shall have a Bachelor's Degree in Computer Science or related field and have at least ten years of demonstrable experience with integrating, installing, configuring, upgrading, compiling and supporting COTS/GOTS software in a heterogeneous operating system environment.
Or the individual shall have five (5) years full time Computer Science directly related work that can be substituted for a degree and have at least ten (10) years of demonstrable experience with integrating, installing, configuring, upgrading, compiling and supporting COTS/GOTS software in a heterogeneous operating system environment.
An industry recognized professional certification, as defined in the TTOs, may substitute as one year experience.
A Master's Degree in Computer Science or related field may substitute for two (2) years experience.

*IAT Level II Certification Required*

Title: Systems Administrator IV
Location: Annapolis Junction, MD
*Clearance: *Active TS/SCI w/ Polygraph needed to apply *
Company Overview:
Cornerstone Defense is the Employer of Choice within the Intelligence, Defense, and Space communities of the U.S. Government.  Realizing early on that our most prized assets are our employees, we continually focus our attention on improving the overall work/life experience they have supporting the mission.  Our Team is pushed every day to use their industry leading knowledge to provide end-to-end solutions to combat our nation’s toughest and most secure problems.  If you are looking for a place to not only be professionally challenged, but encouraged and supported by a company that cares, don’t look any further than Cornerstone Defense.
 

SYSTEM ADMINISTRATOR IV

SYSTEM ADMINISTRATOR IV shall have a Bachelor’s Degree in Computer Science or related field, and have ten (10) years of demonstrable experience in system administration and support of a large client-server based IT enterprise.  Or the individual shall have five (5) years of full time computer science work that can be substituted for the Bachelor’s Degree, and have ten (10) years of demonstrable experience in system administration and support of a large client-server based IT enterprise.  An industry recognized professional certification may substitute as one year experience.

Experience shall include installation, configuration, and networking of UNIX and/or NT based platforms.  This experience shall include: creating, modifying and deleting user accounts, performing system back-ups, and maintaining system configuration files.  Individual shall have a fundamental understanding of operating systems ad be familiar with either UNIX or NT commands or utilities at the user level.  Experience shall include the installation and configuration of hardware, operating systems, and commercial software packages.  Individual shall be able to develop and implement enterprise backup/recovery strategies, server configuration and consolidation, and verification of the health and status of the entire IT infrastructure.  Individual shall be able to provide support for enterprise services such as DNS, NFS, e-mail services, security protection mechanisms, and the interoperability of UNIX and NT based systems.
 
SYSTEM ADMINISTRATOR IV for HPC
In addition to the above qualifications, SYSTEM ADMINISTRATOR IV FOR HPC must have the following qualifications required by the relevant TTO:
• Installation, configuration, tuning, troubleshooting and administration of:
o Multi-vendor servers running numerous COTS, opensource, and in-house applications to accommodate HPC Division IT support requirements
o Multi-vendor servers running Red Hat of SuSe with direct attached, FC SAN storage or SSDs
• Distributing computing tools such as ReS, LSF, and SLURM
• HPC farm systems, HPC MPP clustered systems, Front End servers of Special Purpose devices (SPDs)
• IBM of HP Blade servers with FC/SAS/Network back end
• Multi-vendor filesystems such as XFS, GPFS and Lustre
• Pre-Factory testing, Factory testing, System integration and Acceptance testing during the purchase process of the HPS systems
• Accepted professional certifications include:
o Valid RHCSA or higher red Hat certification
o Valid VMWare certification

*IAT Level II Certification Required*
*Candidates with Lustre Experience highly preferred*

 

Title: Windows Server Administrator
Location: Annapolis Junction area

*Clearance: *Active TS/SCI w/ Polygraph needed to apply *
Company Overview:
Cornerstone Defense is the Employer of Choice within the Intelligence, Defense, and Space communities of the U.S. Government.  Realizing early on that our most prized assets are our employees, we continually focus our attention on improving the overall work/life experience they have supporting the mission.  Our Team is pushed every day to use their industry leading knowledge to provide end-to-end solutions to combat our nation’s toughest and most secure problems.  If you are looking for a place to not only be professionally challenged, but encouraged and supported by a company that cares, don’t look any further than Cornerstone Defense.
 

• Support implementation, troubleshooting and maintenance of Windows servers (2012, 2016, and 2019), including the provisioning of a Windows 11 VDI infrastructure for enclave access and program support.
• Support IT systems including day-to-day operations, monitoring and problem resolution for all of the client/server/storage/network devices, etc.
• Escalation and communication of status to management and internal customers
• Provides Tier 2 and 3 (Escalation) problem identification, diagnosis and resolution of problems. Creates and updates ServiceNow tickets accordingly.
• Manages GPOs, applies security and system patching and coordinates/supports all service leads utilizing Windows servers across the program.
• Configures and manages Windows operating systems and installs/loads operating system software, troubleshoots, maintains integrity and configures network components along with implementing operating systems enhancements to improve reliability and performance.
• Will be comfortable in all areas of analysis, design, installation, implementation, configuration, tuning, administration, operation, and security of mid-to-large-tier Windows systems. 
• Be knowledgeable in the following categories: Power shell,  Microsoft Exchange, Microsoft Active Directory,  Trelix ePolicy Orchestrator, Virtualization and VMWare, and Amazon Web Services.
• Optimize system operations and resource utilization and performs system capacity analysis and planning.
• Analyzes and resolves complex problems associated with servers, windows applications, and software integration.
• Be able to respond to after-hours requests as required in a 24 x 7 environment, as needed.

DoD 8570 Compliance with IAT level 1 is required. (Security+ or A+ certification)

 

Title: Systems Integrator Expert
Location: Annapolis Junction, MD
*Clearance: *Active TS/SCI w/ Polygraph needed to apply *
Company Overview:
Cornerstone Defense is the Employer of Choice within the Intelligence, Defense, and Space communities of the U.S. Government.  Realizing early on that our most prized assets are our employees, we continually focus our attention on improving the overall work/life experience they have supporting the mission.  Our Team is pushed every day to use their industry leading knowledge to provide end-to-end solutions to combat our nation’s toughest and most secure problems.  If you are looking for a place to not only be professionally challenged, but encouraged and supported by a company that cares, don’t look any further than Cornerstone Defense.

Description:  This position offers to assist and advise the Customer's Senior Representative to another customer organization. While the specific duties vary to meet the dynamic needs of the Senior Rep, the work of the Senior Advisor is expected to employ an array of executive-level skills and leverage experiences similar to those of a Senior Representative, but lacking the authorities to speak or make commitments on behalf of the Customer.

QUALIFICATIONS

 

Title: Application Developer
Location: Annapolis Junction, MD
*Clearance: *Active TS/SCI w/ Polygraph needed to apply *
Company Overview:
Cornerstone Defense is the Employer of Choice within the Intelligence, Defense, and Space communities of the U.S. Government.  Realizing early on that our most prized assets are our employees, we continually focus our attention on improving the overall work/life experience they have supporting the mission.  Our Team is pushed every day to use their industry leading knowledge to provide end-to-end solutions to combat our nation’s toughest and most secure problems.  If you are looking for a place to not only be professionally challenged, but encouraged and supported by a company that cares, don’t look any further than Cornerstone Defense.


The selected candidate will work on a team providing support and development for Electronic Records Management Services (RMS). The application provides a modern, secure, leading-edge capability compliant with external regulatory guidance including electronic maintenance, storage, search, audit, reporting, retrieval, lockdown, and disposition of records, considered both permanent and temporary.   
Seeking a dynamic individual with a strong background in Java development for critical undertakings encompassing software enhancements and endeavors tosupport and acceleratedata ingestion.   
Performinvestigation andresolve code ingestion issues, conducting thorough analysis, and writing and implementing fixes. 
Support application sustainment and enhancements per requirements, proactivelyidentify and correct potential issues before outages occur, and implement required code enhancements.  
Identify and resolve issues that arise during the ingestion process, such as scripts getting hung up orencountering errors.  
Engage with the customer throughout the development process, elicit requirements, troubleshoot technicalissues and ensuretimely delivery of the solution.  
The position will require working in a fast-paced team in an agile environment and a willingness to take on challenges to creatively solve customer requirement problem sets. 

​(U) In addition to the minimum requirements above, the individual shall have at least two (2) years of demonstrable work experience in two  or more of the following areas: – (U) Agile development methodologies – (U) Software Configuration Management – (U) DevOps Automation – (U) Software quality processes to include unit tests and/or automated testing – (U) System/Software documentation – (U) Cloud Hosting Platforms – (U) Containerization

​U) Bachelor's Degree in Computer Science or related field and at least six (6) years of demonstrable experience is required. Four (4) years  of additional SWE experience on projects with similar software processes may be substituted for a bachelor’s degree. (U) An industry recognized professional certification, as defined in the TTOs, may substitute as one (1) year experience. A Master's Degree  in Computer Science, System Engineering or related field may substitute for two (2) years' experience

 

Title: Database Administrator
Location: Annapolis Junction
*Clearance: *Active TS/SCI w/ Polygraph needed to apply *
Company Overview:
Cornerstone Defense is the Employer of Choice within the Intelligence, Defense, and Space communities of the U.S. Government.  Realizing early on that our most prized assets are our employees, we continually focus our attention on improving the overall work/life experience they have supporting the mission.  Our Team is pushed every day to use their industry leading knowledge to provide end-to-end solutions to combat our nation’s toughest and most secure problems.  If you are looking for a place to not only be professionally challenged, but encouraged and supported by a company that cares, don’t look any further than Cornerstone Defense.

TECHNICAL SKILLS AND EXPERIENCE

QUALIFICATIONS:

SKILLS/COMPETENCIES:

 

Title: Sr. Development Engineer
Location: Annapolis Junction, MD
*Clearance: *Active TS/SCI w/ Polygraph needed to apply *
Company Overview:
Cornerstone Defense is the Employer of Choice within the Intelligence, Defense, and Space communities of the U.S. Government.  Realizing early on that our most prized assets are our employees, we continually focus our attention on improving the overall work/life experience they have supporting the mission.  Our Team is pushed every day to use their industry leading knowledge to provide end-to-end solutions to combat our nation’s toughest and most secure problems.  If you are looking for a place to not only be professionally challenged, but encouraged and supported by a company that cares, don’t look any further than Cornerstone Defense.

Sr. Development Engineer to join an exciting, complex, mission-focused software development project working with a team of qualified, diverse, individuals.  The selected candidate will join a high performing software development team supporting mission enabling systems and is expected to apply best software engineering principals and Agile engineering methodologies to research, design, develop, and modify application software.  This position requires an active TS/SCI with polygraph and can be located in Reston, VA or Annapolis Junction, MD.

RESPONSIBILITIES:
 

You’re required to have this

PREFERRED QUALIFICATIONS:
 

​​​​​​​

Title: Development Engineer SME 
Location: Annapolis Junction, MD
*Clearance: *Active TS/SCI w/ Polygraph needed to apply *
Company Overview:
Cornerstone Defense is the Employer of Choice within the Intelligence, Defense, and Space communities of the U.S. Government.  Realizing early on that our most prized assets are our employees, we continually focus our attention on improving the overall work/life experience they have supporting the mission.  Our Team is pushed every day to use their industry leading knowledge to provide end-to-end solutions to combat our nation’s toughest and most secure problems.  If you are looking for a place to not only be professionally challenged, but encouraged and supported by a company that cares, don’t look any further than Cornerstone Defense.

Development Engineer SME to join an exciting, complex, mission-focused software development project working with a team of qualified, diverse, individuals.  The selected candidate will join a high performing software development team supporting mission enabling systems and is expected to apply best software engineering principals and Agile engineering methodologies to research, design, develop, and modify application software.  This position requires an active TS/SCI with polygraph.
 
 
RESPONSIBILITIES:
 

You’re required to have this
QUALIFICATIONS:

 
PREFERRED QUALIFICATIONS:

Title: System Engineer Skill Level 1
Location: Annapolis Junction, MD

*Clearance: *Active TS/SCI w/ Polygraph needed to apply *
Company Overview:
Cornerstone Defense is the Employer of Choice within the Intelligence, Defense, and Space communities of the U.S. Government.  Realizing early on that our most prized assets are our employees, we continually focus our attention on improving the overall work/life experience they have supporting the mission.  Our Team is pushed every day to use their industry leading knowledge to provide end-to-end solutions to combat our nation’s toughest and most secure problems.  If you are looking for a place to not only be professionally challenged, but encouraged and supported by a company that cares, don’t look any further than Cornerstone Defense.

Description:      
Join a team developing a series of applications that are certified, trusted sources of critical mission data that will be used to answer mission and leadership questions across the Enterprise. Play a pivotal role in introducing emerging technologies into the Enterprise. This initiative is agency-wide, and its successful implementation will have a significant impact on daily operations. You'll have the unique opportunity to shape this effort from its inception, essentially building it from the ground up. It's a high-visibility project that will involve engaging with high-ranking stakeholders throughout the Enterprise. By joining as an initial architect, you can become one of the few subject matter experts (SMEs) for this new development effort.  

Technology Stack of application(s) with which this role will interact

Desired Skills:   

Qualifications:  

 

Title: System Administrator (SA) Skill Level 2
Location: Annapolis Junction, MD

*Clearance: *Active TS/SCI w/ Polygraph needed to apply *
Company Overview:
Cornerstone Defense is the Employer of Choice within the Intelligence, Defense, and Space communities of the U.S. Government.  Realizing early on that our most prized assets are our employees, we continually focus our attention on improving the overall work/life experience they have supporting the mission.  Our Team is pushed every day to use their industry leading knowledge to provide end-to-end solutions to combat our nation’s toughest and most secure problems.  If you are looking for a place to not only be professionally challenged, but encouraged and supported by a company that cares, don’t look any further than Cornerstone Defense.

Description: Work on a fast-paced team of system administrators providing support for implementation, troubleshooting and maintenance of Information Technology (IT) systems for critical enterprise applications Manages IT system infrastructure and any processes related to these systems. Provides support to IT systems including day-to-day operations, monitoring and problem resolution for all the client, server, storage, network devices, etc. Provides Tier 1 (Help Desk) and Tier 2 (Escalation) problem identification, diagnosis, and resolution of problems Configures and manages UNIX and Windows operating systems, installs and loads operating system software, troubleshoots, maintains integrity and configures network components along with implementing operating systems enhancements to improve reliability and performance.

Qualifications: Active TS/SCI with Polygraph A bachelor’s degree and ten (10) years of experience as a system administrator on programs of similar scope and complexity is required. In lieu of a bachelor’s degree fifteen (15) years of experience required Familiarity with PowerShell and Bash scripting languages Experience with system hardening Experience working with ISSOs for system compliance DoD 8570 compliance with Information Assurance Technical (IAT) Level I is required

Desired Skills:

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Title: Sustainment Software Engineer Skill Level 1
Location: Annapolis Junction, MD
*Clearance: *Active TS/SCI w/ Polygraph needed to apply *
Company Overview:
Cornerstone Defense is the Employer of Choice within the Intelligence, Defense, and Space communities of the U.S. Government.  Realizing early on that our most prized assets are our employees, we continually focus our attention on improving the overall work/life experience they have supporting the mission.  Our Team is pushed every day to use their industry leading knowledge to provide end-to-end solutions to combat our nation’s toughest and most secure problems.  If you are looking for a place to not only be professionally challenged, but encouraged and supported by a company that cares, don’t look any further than Cornerstone Defense.
 

• Collaborate on a team of 4 developers modernizing an enterprise Corporate Management Information System that integrates services to achieve a reduction in the Unliquidated Obligation (ULO) cycle-time and increase efficiencies.
• Write code, develop features, and maintain the application. 
• Address user issues, fix bugs, and improve system performance.
• Work on a small collaborative development team that operates on a monthly sprint schedule, to include quarterly upgrades.
• Adapt to a fast-paced, agile work environment.
• Utilize a tech stack that includes Angular, JavaScript, TypeScript, and Docker. 
• Manage and update Docker containers to ensure efficient application deployment and scaling, as well as streamline the development process.

• Engage in Agile methodologies, participate in sprint planning, stand-up meetings, and adapt to changing requirements and priorities in a collaborative and iterative development process.
 

• Experience working in an Agile Development environment
• Experience managing the full software development lifecycle (SDLC) to include requirements definition, design, development, test, deployment, and sustainment
• Experience with Java
• Experience with PrimeNG UI and TypeForm API
• Experience managing systems in a virtual hosting environment including AWS
• Experience with PostgreSQL
• Experience working with Docker for containerization

 

· Three (3) years of experience in software development/ engineering in programs and contracts of similar scope, type, and complexity. Seven (7) years of software development experience may be substituted in lieu of a degree.
· Experience with JavaScript Framework (Angular, Vue, React)
· Full Stack Development experience
· Willingness to learn modern technologies
· Working understanding on SQL and/or NoSQL databases

 

 

Title: Sustainment Software Engineer Skill Level 2
Location: Annapolis Junction, MD
*Clearance: *Active TS/SCI w/ Polygraph needed to apply *
Company Overview:
Cornerstone Defense is the Employer of Choice within the Intelligence, Defense, and Space communities of the U.S. Government.  Realizing early on that our most prized assets are our employees, we continually focus our attention on improving the overall work/life experience they have supporting the mission.  Our Team is pushed every day to use their industry leading knowledge to provide end-to-end solutions to combat our nation’s toughest and most secure problems.  If you are looking for a place to not only be professionally challenged, but encouraged and supported by a company that cares, don’t look any further than Cornerstone Defense.
 

Collaborate with product teams to understand the performance-monitoring needs and requirements for approximately 20 applications within the organization.

Work closely with the monitoring team and product teams to develop solutions in a phased approach, aligning with organizational goals, to achieve optimized enterprise monitoring.

Serve as a liaison between the monitoring team and application teams, facilitating effective communication and ensuring seamless integration of performance-monitoring solutions.

Develop and rigorously test Python scripts as the primary responsibility, ensuring the robustness and reliability of the monitoring solutions.

Demonstrate proficiency in Python programming and possess the ability to create efficient and scalable scripts for monitoring purposes.

Utilize and enhance scripts to achieve automation of performance-monitoring tasks and processes.

Familiarity with Selenium is considered an asset, providing additional capabilities for effective scripting and automation.

Demonstrate a solid understanding of network, operating system, application, and endpoint performance to inform and optimize monitoring solutions.

Prioritize and manage the integration of monitoring solutions to meet security requirements and ensure the confidentiality and integrity of the systems.

Possess strong communication and collaboration skills to effectively convey technical concepts and collaborate with cross-functional teams.

Maintain a results-oriented approach, focusing on achieving organizational goals and enhancing the overall performance-monitoring capabilities.

Technology Stack of application(s) with which this role will interact:

Python, Java, JavaScript

Linux

Windows

Cisco AppDynamics

AWS Cloud

MicroFocus Business Service Management tool suite

Elastic stack (Elasticsearch, Logstash, and Kibana) 

Experience with Selenium

Experience with AWS Cloud

Experience with Jenkins

System administration background 

Experience with MicroFocus Business Service Management (BSM) tool suite:

MicroFocus SiteScope

MicroFocus Operations Bridge/Operations Manager I (OMi)

Experience with Elastic stack (Elasticsearch, Logstash, and Kibana)

Experience with Cisco AppDynamics

Experience with Ansible or Terraform 

Six (6) years of experience in software development/ engineering in programs and contracts of similar scope, type, and complexity. 

Bachelor’s degree from an accredited college or university in Computer Science or related discipline. Four (4) years of additional software development experience may be substituted for a bachelor’s degree. 

Experience with Python programming

Familiarity with web application technologies (e.g., html, JavaScript, web servers, and application servers)

Must be able to work during core hours of 10am-2pm. Exceptions will be considered on a case-by-case basis. 

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Title: Sustainment Software Engineer Skill Level 2
Location: Annapolis Junction, MD

*Clearance: *Active TS/SCI w/ Polygraph needed to apply *
Company Overview:
Cornerstone Defense is the Employer of Choice within the Intelligence, Defense, and Space communities of the U.S. Government.  Realizing early on that our most prized assets are our employees, we continually focus our attention on improving the overall work/life experience they have supporting the mission.  Our Team is pushed every day to use their industry leading knowledge to provide end-to-end solutions to combat our nation’s toughest and most secure problems.  If you are looking for a place to not only be professionally challenged, but encouraged and supported by a company that cares, don’t look any further than Cornerstone Defense.
 

• Work with the Defense Civilian Payroll System (DCPS) software developed by the Defense Finance Accounting Service.
• Collaborate within an integrated team encompassing strategic, program, engineering, financial, and acquisition management to deliver and operate complex defense systems.
• Utilize IBM Mainframe development tools for software development processes, including requirements analysis, software design, implementation, testing, integration, deployment/installation, and maintenance.
• Use IDMS, SQL, COBOL, DB2, REXX, and FOCUS to enhance and optimize the performance of defense systems.
• Demonstrate proficiency in Microsoft Suite of Tools for various project-related tasks and documentation.
• Collaborate with team members to contribute to the overall software development life cycle and meet project objectives.
• Contribute to the improvement and refinement of software development processes and methodologies.
• Stay current with industry best practices and technological advancements relevant to defense system software development.
• Provide support for troubleshooting, issue resolution, and system maintenance as needed.
• Leverage programming skills to address challenges and enhance the functionality of defense systems.
• Participate in cross-functional discussions and meetings to align software development efforts with project goals.

Key Technologies used across the team
IDMS
IBM Mainframe development
SQL
COBOL
DB2
REXX
FOCUS
MS Suite of Tools
 

• Programming skills with experience in languages such as COBOL, REXX, and familiarity with IBM Mainframe development tools
• Knowledge and experience in database systems, particularly in IDMS, SQL, and DB2.
• Experience with additional tools such as FOCUS for data management, analysis, and reporting would be considered advantageous.

 

• A bachelor's degree in a technical discipline and six (6) years of experience in software development/engineering. Ten (10) years of experience in software development/engineering may be substituted in lieu of a degree.
• Willingness to learn new technologies. 
• A strong understanding and experience in the software development process of gathering requirements, software design, implementation, testing, deployment, and integration.
• Experience developing and updating technical documentation.
• Must be willing/able to work between the core hours of 10:00AM – 2:00PM. Exceptions will be considered on a case-by-case basis.

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Title: Database Administrator
Location: Annapolis Junction
*Clearance: *Active TS/SCI w/ Polygraph needed to apply *
Company Overview:
Cornerstone Defense is the Employer of Choice within the Intelligence, Defense, and Space communities of the U.S. Government.  Realizing early on that our most prized assets are our employees, we continually focus our attention on improving the overall work/life experience they have supporting the mission.  Our Team is pushed every day to use their industry leading knowledge to provide end-to-end solutions to combat our nation’s toughest and most secure problems.  If you are looking for a place to not only be professionally challenged, but encouraged and supported by a company that cares, don’t look any further than Cornerstone Defense.
 

1. Ten (10) years experience as a DBA in programs and contracts of similar scope, type, and complexity is required. Bachelors degree in a technical discipline from an accredited college or university is required. Four (4) years of additional DBA experience may be substituted for a bachelors degree. Candidate needs strong Oracle and Postgress skills.

1. Maintain the integrity, security, and availability of database(s)
2. Establish and maintain database user accounts
3. Administer, maintain, and Implement policies and procedures for ensuring the security and integrity of the database(s)
4. Organize and format data for efficient query and storage processes
5. Evaluate requirements and recommends available DBMS products
6. Provide server administration with a variety of database products that include Oracle, SQL Server, and SYBASE
7. Perform disaster recovery, performance analysis and tuning, index maintenance, and monitoring of data
8. Develop policies and procedures for ensuring the security and integrity of the database(s)
9. Perform database and software life-cycle activities to ensure highest level of system performance and availability
10. Support data modeling activities by way of prototype database implementations
11. Coordinate database architecture changes with Database Engineer (DBE)s
12. Direct the monitoring, administrating, and implementing performance on database systems as well as database performance optimization, developing/changing database indices, redesigning database structure and reloading data into a database
13. Direct the installation of database management systems, databases, tables and views
14. Directs the administration and use of current and emerging database tools, strategies and technologies

 

Title: Senior Software Engineer 
(Telework available 3-4 days a week)

Location: Annapolis Junction, MD
*Clearance: *Active TS/SCI w/ Polygraph needed to apply *
Company Overview:
Cornerstone Defense is the Employer of Choice within the Intelligence, Defense, and Space communities of the U.S. Government.  Realizing early on that our most prized assets are our employees, we continually focus our attention on improving the overall work/life experience they have supporting the mission.  Our Team is pushed every day to use their industry leading knowledge to provide end-to-end solutions to combat our nation’s toughest and most secure problems.  If you are looking for a place to not only be professionally challenged, but encouraged and supported by a company that cares, don’t look any further than Cornerstone Defense.

Preferred Qualifications

Required Qualifications:

Desired Qualifications:  Our environment not only encourages you to learn new, emerging technologies to expand your skill set; it also provides you with opportunity to share your knowledge with our team of elite professionals. Skill or experience in the following is highly desired:

Detailed Description and Job Requirements
 An experienced consulting professional who has a broad understanding of solutions, industry best practices, multiple business processes or technology designs within a product/technology family. Operates independently to provide quality work products to an engagement. Performs varied and complex duties and tasks that need independent judgment, to implement products and technology to meet customer needs. Applies Oracle methodology, company procedures, and leading practices.
Demonstrates expertise to deliver functional and technical solutions on moderately complex customer engagements. Effectively consults with management of customer organizations. Ability to build rapport with team members and clients.
Telework 3-4 days/week is available.

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Title: System Administrator
Location: Annapolis Junction, MD
*Clearance: *Active TS/SCI w/ Polygraph needed to apply *
Company Overview:
Cornerstone Defense is the Employer of Choice within the Intelligence, Defense, and Space communities of the U.S. Government.  Realizing early on that our most prized assets are our employees, we continually focus our attention on improving the overall work/life experience they have supporting the mission.  Our Team is pushed every day to use their industry leading knowledge to provide end-to-end solutions to combat our nation’s toughest and most secure problems.  If you are looking for a place to not only be professionally challenged, but encouraged and supported by a company that cares, don’t look any further than Cornerstone Defense.

Provides support for implementation, troubleshooting and maintenance of Information Technology (IT) systems. Manages IT system infrastructure and any processes related to these systems. Provides support to IT systems including day-to-day operations, monitoring and problem resolution for all of the client/server/storage/network devices, mobile devices, etc. Provides Tier 1 (Help Desk) and Tier 2 (Escalation) problem identification, diagnosis and resolution of problems. Provides support for the escalation and communication of status to agency management and internal customers. Provides support for the dispatch system and hardware problems and remains involved in the resolution process. Configures and manages UNIX and Windows operating systems and installs/loads operating system software, troubleshoots, maintains integrity and configures network components along with implementing operating systems enhancements to improve reliability and performance.

CONUS TRAVEL: N
OCONUS TRAVEL: N
Regular Hours Per Year: 1880
Extra Hours Per Year: 0
Night Work: N
Local Travel Using a POV: N
Pager Duty: N
Pager Duty Comments: 
Work on Holidays: N
Work on Weekends: N
Shift Work: N
WarZone: N
COOP: N
Unpublished Skills: N

 

1. Fifteen (15) years' experience as an SA in programs and contracts of similar scope, type, and complexity is required.
2. Bachelors degree in a technical discipline from an accredited college or university is required. Five (5) years of additional SA experience may be substituted for a bachelors degree.
3. DoD 8570 compliance with Information Assurance Technical (IAT), Level III or higher is required.

 

1. Provide support for implementation, troubleshooting and maintenance of IT systems
2. Provide Tier 1 (Help Desk) problem identification, diagnosis and resolution of problems
3. Manage the daily activities of configuration and operation of IT systems
4. Provide assistance to users in accessing and using IT systems
5. Provide Tier 1 (Help Desk) and Tier 2 (Escalation) problem identification, diagnosis and resolution of problems (U) Provide support to IT systems including day-to-day operations, monitoring and problem resolution for all of the client/server/storage/network devices, mobile devices, etc.
6. Provide support for the escalation and communication of status to agency management and internal customers
7. Optimize system operations and resource utilization, and perform system capacity analysis and planning
8. Provide in-depth experience in trouble-shooting IT systems
9. Provide detailed analysis and feedback to agency management and internal customers for escalated tickets
10. Provide support for the dispatch system and hardware problems and remains involved in the resolution process
11. Configure and manage UNIX and Windows (or other applicable) operating systems and installs/loads operating system software, troubleshoot, maintain integrity of and configure network components, along with implementing operating systems enhancements to improve reliability and performance
12. Support the design of systems, mission architecture and associated hardware
13. Possess a working knowledge and understanding of system administration interdependencies as part of the Service Oriented Architecture (SOA)
14. Analyze and resolve complex problems associated with server hardware, applications and software integration

 

1. Perform systems engineering activities and assist in the preparation of a work product in Technical Process Areas associated with the ISO/IEC 15288.
2. Develop and deliver a work product in any of the ISO/IEC 15288 Process Areas.
3. Perform analysis of technical alternatives for a project and make preliminary recommendations.
4. Assist in performing systems engineering activities in the ISO/IEC 15288 Agreement or Enterprise Process Areas.
5. Perform systems engineering activities and assist in the preparation of multiple work products in Project and/or Technical Process Areas associated with any of the ISO/IEC 15288 processes.
6. Perform systems engineering activities and develop and deliver work products in each of the ISO/IEC 15288 Project and Technical Process Areas.
7. Independently analyze, and recommend alternatives for elements of projects technical design.
8. Perform systems engineering activities and develop and deliver work products of either the ISO/IEC 15288 Agreement or Enterprise Process Areas.
9. Assist in developing a new or innovative approach to a technical or engineering issue.
10. Assist in conducting an evaluation to determine its suitability for project implementation.
11. Analyze and propose appropriate engineering standards and processes for a project.
12. Supervise or coordinate the work of other contractor engineers or technicians on a project.

Title: Configuration Manager
Location: Annapolis Junction, MD
*Clearance: *Active TS/SCI w/ Polygraph needed to apply *
Company Overview:
Cornerstone Defense is the Employer of Choice within the Intelligence, Defense, and Space communities of the U.S. Government.  Realizing early on that our most prized assets are our employees, we continually focus our attention on improving the overall work/life experience they have supporting the mission.  Our Team is pushed every day to use their industry leading knowledge to provide end-to-end solutions to combat our nation’s toughest and most secure problems.  If you are looking for a place to not only be professionally challenged, but encouraged and supported by a company that cares, don’t look any further than Cornerstone Defense.
 

Analyzes system requirements and concept of operations documents, acquisition plans, and system descriptions to develop evaluation and test plans and procedures, prepare for and conduct the data collection and analysis, and report status and results. Supports the development of Government test and evaluation documentation e.g., Test & Evaluation (T&E) Strategy, Test & Evaluation Master Plan, Event Test Plans, Test Readiness Assessments, and T&E Reports. Works with other test organizations to support T&E program integration. Provides specialized T&E capabilities tailored to system functions, level, maturity, and performance area as assigned in the SOW.

CONUS TRAVEL: N
OCONUS TRAVEL: N
Regular Hours Per Year: 1880
Extra Hours Per Year: 0
Night Work: N
Local Travel Using a POV: N
Pager Duty: N
Pager Duty Comments:
Work on Holidays: N
Work on Weekends: N
Shift Work: N
WarZone: N
COOP: N
Unpublished Skills: N
 

1. Eight (8) years experience as a CM in programs and contracts of similar scope, type, and complexity is required. Bachelors degree in a technical or business discipline from an accredited college or university is required. A Masters degree may be substituted for two (2) years of experience, thereby reducing the total years of experience to six (6). Four (4) years of additional CM experience may be substituted for a bachelors degree.
2. If assigned to a developmental program, one (1) year of experience using a source code control system for a developmental program of similar scope and complexity is required.

1. Assist in implementing hardware and software version control processes, policies and procedures
2. Assist in the use of configuration management tools (e.g. DOORS, Eclipse) to store, track, and manage configuration items
3. Understand basic concepts, and assist in documenting hardware and software configuration management processes and procedures
4. Implement hardware and software version control processes, policies and procedures
5. Understand basic concepts, assist in maintaining and developing the environment for hardware and software product build, staging, testing and integration
6. Assist in defining and implementing hardware and software configuration management processes and procedures; such as creating product build scripts and procedures, and integrating those scripts with the hardware and software build process
7. Utilize configuration management tools (e.g. DOORS, Eclipse) to store, track, and manage configuration items
8. Maintain the CM environment for hardware and software product build, staging, testing and integration
9. Develop hardware and software version control processes, policies and procedures and ensure that they are followed on hardware and software development projects
10. Apply concepts and define and implement hardware and software configuration management processes and procedures, such as creating product build scripts and procedures, and integrate those scripts with the hardware and software build process 11. Serve as an advisor to (or non-voting member of) Government Change Control Board (CCB)
11. Ensure hardware and software version control processes, policies and procedures are followed on hardware and software development projects.
12. Manage, maintain and develop the CM environment for hardware and software product build, staging, testing and integration
13. Work independently and defines and implement hardware and software configuration management processes and procedures, such as creating product build scripts and procedures, and integrate those scripts with the hardware and software build process

 

 

 

Title: Test Engineer
Location: Annapolis Junction, MD

*Clearance: *Active TS/SCI w/ Polygraph needed to apply *
Company Overview:
Cornerstone Defense is the Employer of Choice within the Intelligence, Defense, and Space communities of the U.S. Government.  Realizing early on that our most prized assets are our employees, we continually focus our attention on improving the overall work/life experience they have supporting the mission.  Our Team is pushed every day to use their industry leading knowledge to provide end-to-end solutions to combat our nation’s toughest and most secure problems.  If you are looking for a place to not only be professionally challenged, but encouraged and supported by a company that cares, don’t look any further than Cornerstone Defense.

Analyzes system requirements and concept of operations documents, acquisition plans, and system descriptions to develop evaluation and test plans and procedures, prepare for and conduct the data collection and analysis, and report status and results. Supports the development of Government test and evaluation documentation e.g., Test & Evaluation (T&E) Strategy, Test & Evaluation Master Plan, Event Test Plans, Test Readiness Assessments, and T&E Reports. Works with other test organizations to support T&E program integration. Provides specialized T&E capabilities tailored to system functions, level, maturity, and performance area as assigned in the SOW.

CONUS TRAVEL: N
OCONUS TRAVEL: N
Regular Hours Per Year: 1880
Extra Hours Per Year: 0
Night Work: N
Local Travel Using a POV: N
Pager Duty: N
Pager Duty Comments:
Work on Holidays: N
Work on Weekends: N
Shift Work: N
WarZone: N
COOP: N
Unpublished Skills: N
 

1. Five (5) years experience as a TE in programs and contracts of similar scope, type and complexity is required.
2. Bachelors degree in Math, Science, Engineering, Statistics, Engineering Management, or related discipline from an accredited college or university is required. Four (4) years of additional TE experience may be substituted for a bachelors degree.

 

1. Assist with any or all of the Level 1 tasks as constrained by technical training and previous testing experience
2. Conduct research into and apply knowledge of Government test and evaluation concepts and related engineering, acquisition, and operations activities as needed to support the T&E activities
3. Plan and Execute Performance Analysis
4. Review planned acquisition approaches to support T&E schedule alignment with decision maker needs for T&E support
5. Analyze performance risk areas to focus T&E planning
6. Specify, validate, and adapt Modeling and Simulation for T&E use
7. Apply Statistical Analysis of variations in performance behavior to characterize confidence in performance estimates
8. Select, develop, & use analysis tools
9. Execute the evaluation plan on data collected by the Testing Tasks
10. Plan and Execute Performance Data Collection
11. Plan program and event level testing for collection of data required for analysis and to synch T&E events with supported decision points
12. Establish and employ Data & Configuration Management capabilities
13. Support Data Authentication group functions; and comply with program Discrepancy Reporting criteria and processes (U) Assess operational and system performance requirements for testability and criticality to frame and prioritize T&E objectives and enable evaluation planning
14. Coordinate with program Systems Engineering (SE) and review T&E-related SE information to leverage functional analysis, system descriptions, parameter selection and dependencies, Modeling and Simulation, and initial performance risk assessments to inform evaluation planning
15. Assess operational environments and priorities for evaluation attention and scenario selection, and to coordinate user participation in T&E
16. Plan program and event level risk-tailored performance estimation and analysis of system and operational Effectiveness and Suitability metrics & conditions; levels of T&E include inspection, demonstration, paper analysis, survey, simulation, and physical test
17. Design surveys for evaluation of Subject Matter Expert (SME) input and user assessments of performance
18. Participate in the T&E Working-level Integrated Product Team (WIPT) and/or Integrated Test Team for coordination of evaluation plans
19. Produce Evaluation Plans (metric framework, scenarios/threads, timelines, requirements/T&E cross-walk), Analysis Plans, Data Requirements, Risk Assessments, Evaluation Reports, Status reports; provide input to Government T&E products (e.g., Technology Readiness Assessments, Test & Evaluation Strategy, Test & Evaluation Master Plan, T&E Plans & Procedures and Test Readiness Reports)
20. Design data sampling schemes to optimize the information/resource balance and to control testing uncertainties
21. Select, coordinate, and calibrate Instrumentation, collection and data management tools, targets, & facilities
22. Ensure test readiness including training of test event participants re conduct of the event; equipment readiness, and security, legal, and privacy compliance arrangements
23. Participate in T&E WIPT and/or Integrated Test Team for coordination of data collection plans
24. Execute Testing and Data Collection per plan
25. Produce associated Test Plans, Procedures, and Reports/Briefings, Data Management Plan
26. Define and provide technical direction and guidance for the Level 1 tasks to the Level 0 and Level 1 TEs assigned to the task
27. Recommend draft plans and reports from the Level 1 tasks for approval by the task leader
28. Work directly with the Government sponsor to coordinate task implementation
29. Maintain knowledge of current and evolving agency, national, and international standards applicable to the system development of interest

 

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