Required Skills:

• 2+ years of hands-on experience configuring and managing Cisco and/or Juniper network devices.
• Working knowledge of routing protocols (e.g., OSPF, BGP) and switching technologies (VLANs, STP, etc.).
• Familiarity with STIG and DoD security requirements, including system hardening and patch management.
• Current or ability to obtain DoD 8140/8570 baseline certification(s) (e.g., CompTIA Security+, CCNA Security, or equivalent).

Desired Skills:

• Experience with TACLANE configuration, VPN tunnels, and secure WAN deployments.
• Knowledge of virtual networking solutions (OpenStack Neutron, VMware NSX).
• Scripting or automation experience (Python, Shell, Ansible, etc.).
• Understanding of firewall policy design and management.
• Familiar with Visio / Draw.io, Netbox, and similar documentation and diagraming tools.
• Experience with hands-on hardware installation and reconfiguration, racking equipment, terminating cables, and working with single and multimode fiber.
• Education
• Associate’s or Bachelor’s Degree in a related technical field (or equivalent work experience).

• Location: Colorado Springs, Colorado
• Type: Contract
• Job #3511

Windows System Administrator
Colorado Springs, CO
Active Top Secret/SCI
Compensation Range: $120,000 – $160,000

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.

Job Responsibilities:

• Windows Server Administration
• Manage and maintain Windows Server instances in a highly available environment.
• Oversee critical services such as DNS, DHCP, NTP, and WSUS.
• Monitor and troubleshoot IIS-based web applications as needed.
• Maintain Microsoft SQL Server instances, ensuring availability and resiliency.
• Support Microsoft Exchange Server, including backup/restore operations and performance tuning.

• Active Directory & GPO Management
• Design, maintain, and optimize the Windows Active Directory environment, including user/group management and OU structure.
• Develop and implement Group Policy Objects (GPOs) aligned with best practices and STIG/DoD security requirements.
• Ensure role-based access control (RBAC) following DoD 8140 requirements and maintain secure delegated administration.
• Perform regular Windows performance optimization and tuning tasks.
• Security & Compliance (STIG/DoD Requirements)
• Conduct regular STIG compliance checks, vulnerability assessments, and system audits.
• Apply security hardening guidelines to servers, applications, and network configurations.
• Collaborate with Security teams to respond to security incidents and maintain compliance.
• Automation & Scripting
• Develop, maintain, and implement PowerShell or other relevant scripts to automate repetitive tasks (e.g., user provisioning, patch deployment, system reporting).
• Identify opportunities for automation within daily administrative tasks to increase efficiency and reduce human error.
• Patch Management & System Updates
• Coordinate and execute WSUS / patch management to ensure timely and compliant system updates.
• Schedule and manage monthly/quarterly patch cycles, including out-of-band updates as required for security.
• Test and validate patches prior to deployment in production environments.
• Performance Monitoring & Troubleshooting
• Use industry-standard monitoring tools to proactively identify and resolve performance bottlenecks for Windows and Linux systems
• Conduct root-cause analysis for complex technical issues and system outages.
• Documentation & Knowledge Sharing
• Maintain comprehensive system documentation, including architecture diagrams, SOPs, and knowledge base articles.
• Provide mentorship, guidance, and training to junior-level administrators and service desk personnel.
  Required Skills:
  • Minimum of 5+ years supporting Windows-based server environments (Tier 3 level).
  • Strong background with Windows Server 2012/2016/2019/2022 (deployment, management, optimization).
  • Hands-on experience with Active Directory, DNS, DHCP, NTP, and Group Policy configuration.
  • Demonstrated understanding of STIG/DoD security compliance requirements and related best practices.
  • PowerShell (or equivalent) scripting for process automation and configuration management.

  Desired Skills:

  • Experience with virtualization platforms (e.g., VMware, Hyper-V).
  • Proficiency with Microsoft Exchange and Microsoft SQL Server administration.
  • Familiarity with IIS configuration and support.
  • Background in network protocols (TCP/IP, subnetting, VLANs, etc.).
  • Experience with Ansible Automation.
  • Education:
  • Bachelor’s Degree in Computer Science, Information Systems, or related field (or equivalent work experience).
  • Microsoft certifications (e.g., MCSE, MCSA), CompTIA Security+ (or equivalent DoD 8570 baseline), or other relevant certifications.
• Other Requirements:
• Must be a U.S. Citizen and able to obtain and maintain a TS//SCI security clearance.
• Excellent troubleshooting, communication, and documentation skills.
• Ability to work both independently and collaboratively within a team-oriented environment.

• Location: Colorado Springs, Colorado
• Type: Contract
• Job #3488

Network Engineer
Colorado Springs, CO
Active TS/SCI
Compensation Range: $150,000 – $180,000

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.

Program Overview:
The program is seeking an Experienced Network Engineer with a strong background in DoD network security and testing complex environments. The engineer will be supporting different cloud computing environments (AWS GovCloud, DoD Cloud/VMWare NSX, and physical environments) working with teams implementing and verifying network settings across the program, including testing and assisting with maintenance of network devices.

This program is developing a new Global Military Satellite Communications (MILSATCOM) Ground System that will manage transmission of protected tactical waveform – a type of secure, anti-jam communication – over Wideband Global SATCOM (WGS) satellites and terminals.

As a member of the team, you will be involved in the entire software development life cycle, from idea creation and development, all the way through to maintenance and support of the customer’s delivered system. These positions will place you in roles where you can make an impact on the results of our project. This team offers a collaborative mentoring environment where you could learn from or lead others.

Job Responsibilities:

• Define and integrate the end-end communications and networking systems architecture for a space system.
• Provide technical flow down of systems requirements to several spacecraft and ground subsystems.
• Own end-end analyses for the end-end communications link.
• Partner with customers on system of systems solutions.
• Support a team of Systems Engineers for the development requirements for innovative projects, use cases and sequence diagrams and Interface Control Documents (ICDs) for complex space and ground architectures.
• Support planning for and execution of subsystem and vehicle-level integration and test campaign.
• Work closely with other engineering disciplines in an integrated team environment to develop system architecture in compliance with interface definitions and system/subsystem requirements.
• Support stakeholder needs through analysis, technical performance measures (TPM) definition, requirements analysis, and allocation & definition for subcontractors, utilizing MBSE Enterprise Architect, JIRA and Confluence
• Integrate security principles into the development and deployment of software/hardware solutions.
• Support Network Integration with both software and hardware teams.
• Risk Management Framework (RMF): Designs and facilitates implementation of security controls IAW NIST SP 800-53 and SP 800-171. Documents hardware, software, system components, and data flow as required to complete RMF System Security Plans. Develop and maintain training plans, records, and training.
• Travel to support installation and testing of new network site connections.
• Additional duties, as assigned

Required Skills:

• Current DoD 8570 IAT Level II Certification.
• Strong problem-solving skills and ability to dive deep into troubleshooting a problem.
• 5+ years of experienced with General Networking experience (e.g., debugging, packet captures with Wireshark, Routing, VLAN, firewall rules).
• 5+ years of experience with Switches, Routers and Firewalls (Cisco & FortiGate)  
• 5+ years of experience with Ixia Network Traffic Generator.
• 5+ years of experience with QoS and traffic policing.
• 5+ years of experience with IPSEC tunnels.
• 3+ years of experience working with JIRA, confluence, bitbucket.

Desired Skills:

• 7+ years of experience in Network Engineering on aerospace platforms or similar highly regulated products.
• 5+ years of experience with requirements development, verification, validation, ICDs, risk, issues and opportunities management and trade studies.
• Experience with spacecraft and/or space systems architecture.
• Experience utilizing Model Based Engineering (MBE or MBSE) tools such as Enterprise Architect.
• Familiarity with Protected Tactical Waveform (PTW) desired.

Benefits Overview:
Cornerstone Defense offers a very comprehensive benefits package including, but not limited to: Medical, Dental and Vision Plans * Generous PTO Policy * 401(k) * HSA and FSA options * Life and Disability Insurance * Tuition Reimbursement and Training * Perks at Work Discount Program * Referral Program * Leads Generation Program * CollegeAmerica 529 * Fitness Reimbursement Program * Travel Assistance * Norton Lifelock Benefit Solutions * Life Planning Financial & Legal Services *

• Location: Colorado Springs, Colorado
• Type: Contract
• Job #3479

Configuration Manager
Colorado Springs, CO
Active TS/SCI
Compensation Range: $130,000 – $165,000

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.

Job Responsibilities:

• Accurately enter and maintain approved hardware/software tickets in Jira.
• Own and manage the database, ensuring that End of Life (EOL) hardware and software items are identified and removed in a timely manner.
• Assist in automating updates and maintenance of the database to streamline workflows.
• Apply systems thinking to database management, ensuring cohesion between hardware and software components.
• Understand and manage software-related aspects such as terminology, versions, and releases.
• Oversee configuration management of the system, ensuring accurate tracking and version control.
• Generate and manage inventory reports, ensuring up-to-date and accurate reporting on system configurations.
• Collaborate with relevant teams to ensure seamless data integration and report generation.

Required Skills:

• Strong understanding of software terminology, versions, and release processes.
• Familiarity with managing system configurations and version control practices.
• General knowledge of hardware and software in hosting environments.
• Experience with inventory reporting concepts and tools.
• Familiarity with Jira and Confluence or similar configuration management (CM) tools.
• Ability to think critically and apply systems thinking to database management.

Desired Skills:

• Experience automating database updates.
• Strong organizational skills with a keen attention to detail.
• Ability to manage multiple tasks and prioritize effectively.

Benefits Overview:
Cornerstone Defense offers a very comprehensive benefits package including, but not limited to: Medical, Dental and Vision Plans * Generous PTO Policy * 401(k) * HSA and FSA options * Life and Disability Insurance * Tuition Reimbursement and Training * Perks at Work Discount Program * Referral Program * Leads Generation Program * CollegeAmerica 529 * Fitness Reimbursement Program * Travel Assistance * Norton Lifelock Benefit Solutions * Life Planning Financial & Legal Services *
 

• Location: Colorado Springs, Colorado
• Type: Contract
• Job #3437

Anti-Tamper Systems/Hardware Engineer
Colorado Springs, CO and Huntsville, AL
Active Top Secret
Compensation Range: $130,000 – $170,000

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.

Program Overview:
The Command and Control, Battle Management, and Communications (C2BMC) program is the integrating element of the Missile Defense System. It is a vital operational system that enables the U.S. president, secretary of defense and combatant commanders at strategic, regional and operational levels to systematically plan ballistic missile defense operations, to collectively see the battle develop, and to dynamically manage designated networked sensors and weapons systems to achieve global and regional mission objectives. C2BMC supports a layered missile defense capability that enables an optimized response to threats of all ranges in all phases of flight. C2BMC is the force multiplier that globally and regionally networks, integrates and synchronizes autonomous sensor and weapon systems and operations to optimize performance. C2BMC is an integral part of all system ground and flight tests which verify and exercise all current and future missile defense system capabilities.

Job Responsibilities:

• Coordinate with Missile Defense Agency (MDA) Anti-tamper (AT) and C2BMC leadership on updates and/or changes to the C2BMC system
• Perform Anti-Tamper Risk and Threat Management Assessments and reports for the C2BMC program
• Develop the analysis process and preparation of the AT plan and provide coordination and input for near-term fielding decisions
• Develop, deliver, and maintain C2BMC AT Plan, C2BMC AT Evaluation Plan, C2BMC Key Management Plan, and the C2BMC Program Protection Plan
• Develop, deliver, and maintain Critical Program Information (CPI) analysis, Defense Exportability Assessments, and defense export strategy
• Develop, deliver, and maintain waivers for CPI, AT or defense exportability features
• Assess program Anti-Tamper designs and implementation plans in support of verification and validation efforts
• Develop and deliver recommendations to improve program protection while meeting cost, schedule, and performance objectives
• Assess program protection and Anti-Tamper designs and implementation plans in support of verification and validation efforts
• Identify risk-based technical countermeasures for the protection of C2BMC Critical Program Information and Critical Components.
• Brief Anti-Tamper and Program Protection requirements and prepare white papers and evaluations as required
• Support program milestone reviews and Fielding Decisions and verify entrance criteria is satisfied by having the Anti-Tamper and Program Protection products approved.
• Interact with customer to define SSE requirements, solutions, trades, costs, implementation, system impacts, and effectiveness
• Support developing plans and estimates, task execution, project tracking, reporting, and risk identification and mitigation plans. Keep senior management informed on major accomplishments, issues and concerns
• Some travel between development sites (COS and HSV) may be required.

Required Skills:

• Must possess a substantial understanding of system design and development, Service Oriented Architecture development principles and implementation and continuous integration/continuous delivery (CI/CD). 
• The candidate should understand and possess demonstrable skills including: 
• Experience designing and implementing Anti-Tamper (AT) and/or Defense Exportability Features (DEF) solutions.
• The ability to engineer complex systems to ensure separation of concerns. 
• The ability to factor confidentiality, integrity and availability considerations in all phases of system development lifecycle. 
• The ability to understand and decompose requirements to support implementation, verification and validation testing of hardware components. 
• The ability to generate detailed, repeatable, automated test procedures. The ability to extract data to support analysis requirements. 
• The ability to generate procedures that test functionality. 
• The ability to apply Agile and Lean Product Development principles as well as training others through a DevOps type environment. 
• Background should include all aspects of the system development life cycle. 
• Experience with Git, JIRA, Confluence and other open-source development tools. 
• Candidates must have experience working in an integrated team environment with other systems, software, and specialty engineers to develop solutions. 
• The candidate should have an understanding and knowledge of the Ballistic Missile Defense System (BMDS).
• The successful candidate must have a demonstrated ability to collaborate with a team of high performing individuals across a multi-site, multi-discipline organization. 
• Ability to analyze high level needs and through a structured and logical approach refine the need into an evolving minimum viable product (MVP) that leads to a fielded product. Excellent communications skills required (written and oral). 
• Able to communicate effectively and clearly present technical approaches and findings. 
• Able to write and implement engineering plans within a project. Proven interaction in a team environment a must. 

Desired Skills: 

• Previously engineered automation pipelines to enable effective development within environments with rapidly changing requirements, design challenges which require novel solutions, fast-paced activities, and tight deadlines. 
• Understanding of anti-tampering and exportability concerns and how to apply secure hardware/software methodologies.

Company Benefits:
Cornerstone Defense offers a comprehensive list of benefits, designed to give employees and their families several options to choose from when selecting benefits that best fit their needs.  These offerings include not only a full suite of the traditional Medical/Dental/Vision insurances, but also a number of other benefits and perks to include, but not limited to:  A 401(K) plan with a company match, tuition and training assistances, paid vacation/leave, a fitness reimbursement program, college savings plan, commuter benefits, financial advisory services, flex spending accounts, health savings accounts, STD/LTD coverage, life and AD&D insurance, employee assistance programs, life financial planning assistance, and legal resources.
 

• Location: Colorado Springs, Colorado
• Type: Contract
• Job #3436

System Safety Engineer
Colorado Springs, CO and Huntsville, AL
Active Top Secret/SCI
Compensation Range: $130,000 – $160,000

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.

Program Overview:
The Command and Control, Battle Management, and Communications (C2BMC) program is the integrating element of the Missile Defense System. It is a vital operational system that enables the U.S. president, secretary of defense and combatant commanders at strategic, regional and operational levels to systematically plan ballistic missile defense operations, to collectively see the battle develop, and to dynamically manage designated networked sensors and weapons systems to achieve global and regional mission objectives. C2BMC supports a layered missile defense capability that enables an optimized response to threats of all ranges in all phases of flight. C2BMC is the force multiplier that globally and regionally networks, integrates and synchronizes autonomous sensor and weapon systems and operations to optimize performance. C2BMC is an integral part of all system ground and flight tests which verify and exercise all current and future missile defense system capabilities.

Job Responsibilities:

• Responsibilities include integration of the product lines (BM, C2, Networks), generation of responsible sections of the capability specifications, training less experienced personnel in SE and Safety techniques, reviewing the content and details of technical products, and acting as a technical interface to MDA working level counterparts on an as required basis. 
• Required to independently complete Safety analysis including Preliminary Hazard Analysis (PHA), Subsystem Hazard Analysis (SSHA) and support incorporating updates into existing Safety Analysis Reports (SARs).           
• System Safety engineering and development of program safety plans to provide the engineering team with application of safety policies and guidance. 
• Individual will provide support to MDA and other program personnel as required as well as other system engineering tasks as required. 
• Successful candidate will interface with team members and National Team management to ensure high quality products are generated on time and within the resources available.
• Regular travel between Colorado Springs and Huntsville, Alabama will be required.

Required Skills:

• Identification and definition of desired capabilities
• Modeling the interrelationships between internal and external components
• Communicating the desired capabilities to a diverse group of developers, engineers, subject matter experts, and users
• Generating system/element level functional, performance, and interface specifications to document and control the achievement of the desired capabilities
• In-depth knowledge of systems engineering concepts, principles, and techniques
• System Engineering background with specialization in System and Software Safety. 
• Must have the ability to be part of an integrated team tasked with defining the physical, functional, and technical architecture necessary to describe the desired capabilities of an evolving BMDS Battle Management, Command & Control, and Communications effort.

Company Benefits:
Cornerstone Defense offers a comprehensive list of benefits, designed to give employees and their families several options to choose from when selecting benefits that best fit their needs.  These offerings include not only a full suite of the traditional Medical/Dental/Vision insurances, but also a number of other benefits and perks to include, but not limited to:  A 401(K) plan with a company match, tuition and training assistances, paid vacation/leave, a fitness reimbursement program, college savings plan, commuter benefits, financial advisory services, flex spending accounts, health savings accounts, STD/LTD coverage, life and AD&D insurance, employee assistance programs, life financial planning assistance, and legal resources.
 

• Location: Colorado Springs, Colorado
• Type: Contract
• Job #3435

Global Algorithm Architect
Colorado Springs, CO
Active Top Secret
Compensation Range: $125,000 – $160,000

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.

Program Overview:
The Command and Control, Battle Management, and Communications (C2BMC) program is the integrating element of the Missile Defense System. It is a vital operational system that enables the U.S. president, secretary of defense and combatant commanders at strategic, regional and operational levels to systematically plan ballistic missile defense operations, to collectively see the battle develop, and to dynamically manage designated networked sensors and weapons systems to achieve global and regional mission objectives. C2BMC supports a layered missile defense capability that enables an optimized response to threats of all ranges in all phases of flight. C2BMC is the force multiplier that globally and regionally networks, integrates and synchronizes autonomous sensor and weapon systems and operations to optimize performance. C2BMC is an integral part of all system ground and flight tests which verify and exercise all current and future missile defense system capabilities.

Job Responsibilities:

• Provide technical expertise and support in developing and analysis of complex algorithms in support of new BMDS capabilities as part of the Global Agile Release Train (ART). 
• The candidate will assist in the execution, analysis, and trades of Track Server algorithms over large data sets. 
• The candidate will also participate in developing and documenting complex algorithms, how those algorithms are applied in application software, and create and validate as needed test sets to prove proper implementations.  
• This position will report to the Global ART EPM, and be responsible to the Global Architect Lead for adhering to architectural guidance as part of implementation.

Required Skills:

• Candidate must have experience working in the missile defense or related domains including operational and technical knowledge of topics such as engagement management, track management, sensor management.  
• The applicant should be well versed in the utilization of Data Analytics to analyze system performance on large data sets, to visualize complex data sets, and performing trades on algorithm implementations. 
• Proven track record of successfully applying system engineering principles to develop product solutions. 
• Experience with BMDS systems is highly desired. 
• Direct experience in one or more of the following algorithm domains is highly desired: target tracking, target classification, target prediction. 
• Experience in developing Algorithm Description Documents (ADDs) is desired. 
• Candidate should be experienced in technical interaction with government customers. 
• A working knowledge of software development processes and transitioning algorithms into production software is strongly desired, as is knowledge of Object-Oriented Analysis and Design principles.  
• Candidate must possess an understanding of Algorithm design techniques, and Kinematic/ Dynamic System modeling. 
• Candidates should also have experience working in an integrated team environment with other systems, software and specialty engineers to develop solutions. 
• Excellent communications skills are required (written and oral) as is the ability to communicate effectively and clearly present technical approaches and findings. 
• Occasional trvel to Schriever SFB or other OCONUS locations as required. 

Desired Skills: 

• Experience working with Machine Learning/Artificial Intelligence, Optimal control, State Estimation, Statistical Analysis, Stochastic processes, Target Tracking/Correlation, and Orbital Mechanics.

Company Benefits:
Cornerstone Defense offers a comprehensive list of benefits, designed to give employees and their families several options to choose from when selecting benefits that best fit their needs.  These offerings include not only a full suite of the traditional Medical/Dental/Vision insurances, but also a number of other benefits and perks to include, but not limited to:  A 401(K) plan with a company match, tuition and training assistances, paid vacation/leave, a fitness reimbursement program, college savings plan, commuter benefits, financial advisory services, flex spending accounts, health savings accounts, STD/LTD coverage, life and AD&D insurance, employee assistance programs, life financial planning assistance, and legal resources.
 

• Location: Colorado Springs, Colorado
• Type: Contract
• Job #3434

Global Systems and Interface Architect
Colorado Springs, CO
Active Top Secret/SCI
Compensation Range: $165,000 – $205,000

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.

Program Overview:
The Command and Control, Battle Management, and Communications (C2BMC) program is the integrating element of the Missile Defense System. It is a vital operational system that enables the U.S. president, secretary of defense and combatant commanders at strategic, regional and operational levels to systematically plan ballistic missile defense operations, to collectively see the battle develop, and to dynamically manage designated networked sensors and weapons systems to achieve global and regional mission objectives. C2BMC supports a layered missile defense capability that enables an optimized response to threats of all ranges in all phases of flight. C2BMC is the force multiplier that globally and regionally networks, integrates and synchronizes autonomous sensor and weapon systems and operations to optimize performance. C2BMC is an integral part of all system ground and flight tests which verify and exercise all current and future missile defense system capabilities.

Job Responsibilities:

• Support the development and review of interface documents, system requirements, Verification Cross Reference Matrix (VCRM) development, architectural documentation, engineering estimates, and author and perform formal and informal engineering reviews. 
• Position will also provide mentoring to junior systems engineering team members to enhance skills in the department. 
• Works with the enterprise test architect to enable system sell off capabilities as required.  
• Candidate needs to have the ability to be flexible to support various tasking on short notice. 
• Work will be performed under the direction of the Global Architect Lead, and will require interfacing with team members, C2BMC management, and government customers to ensure high quality products are generated on time and within the resources available.
• Responsibilities include adhering to DOORS processes and procedures, reviewing the content and details of technical products, and acting as a technical interface to MDA working level counterparts on an as-required basis. 
• Candidate will be actively involved in the efforts associated with Agile development including iteration planning, mentoring team members on architectural patterns being used, and agile team leadership.

Required Skills:

• Demonstrated experience working large multi-site software development efforts including external interface development
• Demonstrated experience executing under Federal Acquisition Regulations including Operational Concept development, Requirements, System Decomposition, Standards Compliance, Design, Implementation and Selloff
• Demonstrated experience conducting or leading Analysis of Alternatives, Trade Studies and/or Design Evaluations
• Familiarity with cyber, platform and network architecture technologies, dependencies and design drivers
• Candidate must possess an understanding of systems engineering process and principles. 
• A successful applicant should have a proven track record of successfully applying system engineering principles to develop product solutions. 
• Candidates should have experience developing system engineering artifacts (e.g. specifications, Interface Control Documents, Use Cases, System Architecture Descriptions, Trade Studies, etc.).  
• Candidates should also have experience in with developing large, complex software systems.  
• Candidates should have experience working in an integrated team environment with other systems, software and specialty engineers to develop solutions. 
• Excellent communications skills are required (written and oral) as is the ability to communicate effectively and clearly present technical approaches and findings. 
• Able to write and implement engineering plans within a project. 
• Desired skills include experience working within an Agile development environment, domain experience with both Space and Missile Defense, experience with Systems Analysis, Model Based System Engineering, Architecture development, Virtualization, Containerization, and Cloud Computing principles.
• Travel supporting program reviews and customer meetings to CONUS sites including Huntsville, AL and Shriever SFB expected.

Desired Skills:

• Experience designing large command and control and/or weapon systems
• Experience processing radar sensor data
• Experience with near real time processing, persistence and distributed user community

Company Benefits:
Cornerstone Defense offers a comprehensive list of benefits, designed to give employees and their families several options to choose from when selecting benefits that best fit their needs.  These offerings include not only a full suite of the traditional Medical/Dental/Vision insurances, but also a number of other benefits and perks to include, but not limited to:  A 401(K) plan with a company match, tuition and training assistances, paid vacation/leave, a fitness reimbursement program, college savings plan, commuter benefits, financial advisory services, flex spending accounts, health savings accounts, STD/LTD coverage, life and AD&D insurance, employee assistance programs, life financial planning assistance, and legal resources.
 

• Location: Colorado Springs, Colorado
• Type: Contract
• Job #3433

Global Systems Safety Engineer
Colorado Springs, CO 
Active Top Secret
Compensation Range: $125,000 – $155,000

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.

Program Overview:
The Command and Control, Battle Management, and Communications (C2BMC) program is the integrating element of the Missile Defense System. It is a vital operational system that enables the U.S. president, secretary of defense and combatant commanders at strategic, regional and operational levels to systematically plan ballistic missile defense operations, to collectively see the battle develop, and to dynamically manage designated networked sensors and weapons systems to achieve global and regional mission objectives. C2BMC supports a layered missile defense capability that enables an optimized response to threats of all ranges in all phases of flight. C2BMC is the force multiplier that globally and regionally networks, integrates and synchronizes autonomous sensor and weapon systems and operations to optimize performance. C2BMC is an integral part of all system ground and flight tests which verify and exercise all current and future missile defense system capabilities.

Job Responsibilities:

• System Safety engineering and development of program safety plans to provide the engineering team with application of safety policies and guidance
• Individual will provide support to MDA and other program personnel as required as well as other system engineering tasks as required
• Successful candidate will interface with team members and National Team management to ensure high quality products are generated on time and within the resources available
• Integration of the product lines
• Generation of responsible sections of the capability specifications
• Training less experienced personnel in SE and Safety techniques
• Reviewing the content and details of technical products, and acting as a technical interface to MDA working level counterparts on an as-required basis

Required Skills:

• Should possess System Engineering background with specialization in System and Software Safety
• Experience analyzing design to ensure safety requirements are met
• Ability to apply engineering principles to analyze and recommend design features that meet safety criteria in system design to control or eliminate hazards
• Experience developing safety documents to support customer and test requirements (SAR, SRA, SSPP) 
• Experience with hazard identification
• Experience participating in System Safety Working Groups
• Must possess knowledge of MIL-STD-882E
• System engineering and software systems engineering experience required in developing new and integrating existing systems
• Ability to analyze high level needs and through a structured and logical approach refine the need into an integrated set of hardware and software
• Excellent communications skills desired (written and verbal)
• Able to communicate effectively and clearly present technical approaches and findings

Company Benefits:
Cornerstone Defense offers a comprehensive list of benefits, designed to give employees and their families several options to choose from when selecting benefits that best fit their needs.  These offerings include not only a full suite of the traditional Medical/Dental/Vision insurances, but also a number of other benefits and perks to include, but not limited to:  A 401(K) plan with a company match, tuition and training assistances, paid vacation/leave, a fitness reimbursement program, college savings plan, commuter benefits, financial advisory services, flex spending accounts, health savings accounts, STD/LTD coverage, life and AD&D insurance, employee assistance programs, life financial planning assistance, and legal resources.
 

• Location: Colorado Springs, Colorado
• Type: Contract
• Job #3432

Infrastructure Automation/Maintenance System Administrator
Colorado Springs, CO
Active Top Secret/SCI
Compensation Range: $125,000 – $160,000

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.

Program Overview:
The Command and Control, Battle Management, and Communications (C2BMC) program is the integrating element of the Missile Defense System. It is a vital operational system that enables the U.S. president, secretary of defense and combatant commanders at strategic, regional and operational levels to systematically plan ballistic missile defense operations, to collectively see the battle develop, and to dynamically manage designated networked sensors and weapons systems to achieve global and regional mission objectives. C2BMC supports a layered missile defense capability that enables an optimized response to threats of all ranges in all phases of flight. C2BMC is the force multiplier that globally and regionally networks, integrates and synchronizes autonomous sensor and weapon systems and operations to optimize performance. C2BMC is an integral part of all system ground and flight tests which verify and exercise all current and future missile defense system capabilities.

Job Responsibilities:

• The candidate will work on the Global Infrastructure team and will assist in maintaining and sustaining a hyperconverged infrastructure. 
• They will work primarily with multiple operating systems and specific developmental toolsets.

Required Skills:

• 3+ years of building project plans and organizing groups to manage personnel resources and maintaining CI/CD pipelines to support the software development lifecycle
• Linux experience using RHEL administration including networking and protocols
• Experience with projects that plan and schedule multiple groups in building out construction of labs, equipment to include: rack, space and power.
• Experience with adding engineering rigor to the process for the Network Engineers, System Admins and cyber in support of projects and milestones.
• Experience in working with CM to assure all processes are being met and captured
• Understand of System Administration roles in a customer prem cloud environment
• Understanding of Network Engineering roles in supporting Cloud base solution/implementations.
• Experience with the tools like terraform, Ansible, shell scripting
• Experience automating the buildout of VMs using Nutanix, VMWare
• 1+ container orchestration using Kubernetes (or similar tool) to support databases and SW developments tools like GitLab, Nexus as well as mission software
• Current Linux certification to fulfill DoD computing environment requirement
• Previous experience working in Agile Software Development organizations using the SAFe framework

Company Benefits:
Cornerstone Defense offers a comprehensive list of benefits, designed to give employees and their families several options to choose from when selecting benefits that best fit their needs.  These offerings include not only a full suite of the traditional Medical/Dental/Vision insurances, but also a number of other benefits and perks to include, but not limited to:  A 401(K) plan with a company match, tuition and training assistances, paid vacation/leave, a fitness reimbursement program, college savings plan, commuter benefits, financial advisory services, flex spending accounts, health savings accounts, STD/LTD coverage, life and AD&D insurance, employee assistance programs, life financial planning assistance, and legal resources.
 

• Location: Colorado Springs, Colorado
• Type: Contract
• Job #3425

DevSecOps Engineer I
Colorado Springs, CO
Active TS/SCI with Polygraph
Compensation Range: $120,000 – $160,000

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.

Job Responsibilities:

• As a DevSecOps Engineer I, you’ll play a critical role in designing, implementing, and maintaining secure and efficient software development and deployment pipelines. 
• You will collaborate with cross-functional teams to integrate security practices seamlessly into the development and operations lifecycle, ensuring the delivery of high-quality, secure, and reliable software solutions.
• Collaborate with development, operations, and security teams to integrate security practices into the software development lifecycle.
• Design, implement, and maintain CI/CD pipelines that incorporate automated security testing, vulnerability scanning, and compliance checks.
• Develop and maintain infrastructure as code (IaC) templates and configurations, ensuring security best practices are applied to cloud resources and infrastructure components.
• Perform regular security assessments, code reviews, and penetration testing to identify and address vulnerabilities and weaknesses in applications, code, and infrastructure.
• Monitor and analyze system and application logs to detect and respond to security incidents.
• Implement and manage identity and access management (IAM) solutions, ensuring appropriate authentication and authorization mechanisms are in place.
• Collaborate with software engineers to provide guidance on secure coding practices and assist in remediation of security findings.
• Participate in incident response activities, helping to investigate and mitigate security incidents in a timely manner.
• Contribute to the development and maintenance of security policies, procedures, and documentation.

Required Skills:

• At least 6 years of experience as a DevSecOps Engineer or similar role, with a focus on integrating security into the software development lifecycle.
• Strong experience with DevOps practices, CI/CD pipelines, and automation tools (e.g., Jenkins, GitLab CI/CD, Artifactory, SonarQube, Selenium, Fortify, Acunetix, and Prisma Cloud).
• Strong Experience building DevSecOps solutions at scale across IL5 to IL6+ classification domains
• Experience with infrastructure as code (IaC) tools such as Terraform, CloudFormation, or Ansible.
• Experience with cloud platforms (e.g., AWS, Azure, GCP) and securing cloud-based applications and services.
• Experience with scripting languages (e.g., Python, Bash) for automation and tool integration.
• Knowledge of security best practices, common vulnerabilities, and exposure to security frameworks (e.g., OWASP, NIST).

Company Benefits:
Cornerstone Defense offers a comprehensive list of benefits, designed to give employees and their families several options to choose from when selecting benefits that best fit their needs.  These offerings include not only a full suite of the traditional Medical/Dental/Vision insurances, but also a number of other benefits and perks to include, but not limited to:  A 401(K) plan with a company match, tuition and training assistances, paid vacation/leave, a fitness reimbursement program, college savings plan, commuter benefits, financial advisory services, flex spending accounts, health savings accounts, STD/LTD coverage, life and AD&D insurance, employee assistance programs, life financial planning assistance, and legal resources.

• Location: Colorado Springs, Colorado
• Type: Contract
• Job #3424

DevSecOps Engineer III
Colorado Springs, CO
Active TS/SCI with Polygraph
Compensation Range: $145,000 – $185,000

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.

Job Responsibilities:

• As a Sr. DevSecOps Engineer III, you’ll play a critical role in designing, implementing, and maintaining secure and efficient software development and deployment pipelines. 
• You will collaborate with cross-functional teams to integrate security practices seamlessly into the development and operations lifecycle, ensuring the delivery of high-quality, secure, and reliable software solutions.
• Collaborate with development, operations, and security teams to integrate security practices into the software development lifecycle.
• Design, implement, and maintain CI/CD pipelines that incorporate automated security testing, vulnerability scanning, and compliance checks.
• Develop and maintain infrastructure as code (IaC) templates and configurations, ensuring security best practices are applied to cloud resources and infrastructure components.
• Perform regular security assessments, code reviews, and penetration testing to identify and address vulnerabilities and weaknesses in applications, code, and infrastructure.
• Monitor and analyze system and application logs to detect and respond to security incidents.
• Implement and manage identity and access management (IAM) solutions, ensuring appropriate authentication and authorization mechanisms are in place.
• Collaborate with software engineers to provide guidance on secure coding practices and assist in remediation of security findings.
• Participate in incident response activities, helping to investigate and mitigate security incidents in a timely manner.
• Contribute to the development and maintenance of security policies, procedures, and documentation.

Required Skills:

• At least 10 years of experience as a DevSecOps Engineer or similar role, with a focus on integrating security into the software development lifecycle.
• Expert experience with DevOps practices, CI/CD pipelines, and automation tools (e.g., Jenkins, GitLab CI/CD, Artifactory, SonarQube, Selenium, Fortify, Acunetix, and Prisma Cloud).
• Expert experience building DevSecOps solutions at scale across IL5 to IL6+ classification domains
• Expert understanding of AWS and familiarity with other cloud platforms (e.g., Azure, GCP) and securing cloud-based applications and services.
• Strong experience with infrastructure as code (IaC) tools such as Terraform, CloudFormation, or Ansible.
• Strong experience in scripting languages (e.g., Python, Bash) for automation and tool integration.
• Hands-on experience with security tools for static code analysis, dynamic application security testing (DAST), and vulnerability scanning, using tools such as Fortify, Acunetix, and Prisma Cloud
• Knowledge of security best practices, common vulnerabilities, and exposure to security frameworks (e.g., OWASP, NIST).

Company Benefits:
Cornerstone Defense offers a comprehensive list of benefits, designed to give employees and their families several options to choose from when selecting benefits that best fit their needs.  These offerings include not only a full suite of the traditional Medical/Dental/Vision insurances, but also a number of other benefits and perks to include, but not limited to:  A 401(K) plan with a company match, tuition and training assistances, paid vacation/leave, a fitness reimbursement program, college savings plan, commuter benefits, financial advisory services, flex spending accounts, health savings accounts, STD/LTD coverage, life and AD&D insurance, employee assistance programs, life financial planning assistance, and legal resources.