Title: Software Engineer 3 (Automation)
Location: Annapolis Junction, MD
Compensation Range: $190 -$210K
*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.

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 *

Summary:
The Software Engineer shall be responsible for the development, enhancement, and sustainment of automation tools in support of system management infrastructure software and services for High Performance Computing (HPC) systems in a Linux environment.

Qualifications:
Master’s degree in computer science or related discipline from an accredited college or university, plus five (5) years of experience as a SWE, in programs and contracts of similar scope, type, and complexity.
OR
Bachelor’s degree in computer science or related discipline from an accredited college or university, plus seven (7) years of experience as a SWE, in programs and contracts of similar scope, type, and complexity
OR
Nine (9) years of experience as a SWE, in programs and contracts of similar scope, type, and complexity.

Required Skills:

Desired Skills:

Title: Software Engineer 2 (Metrics & Monitoring)
Location: Annapolis Junction, MD
Compensation Range: $170 -$190K
*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.

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 *

SWE-2 Qualifications:
Master’s degree in computer science or related discipline from an accredited college or university, plus three (3) years of experience as a SWE, in programs and contracts of similar scope, type, and complexity. OR
Bachelor’s degree in computer science or related discipline from an accredited college or university, plus five (5) years of experience as a SWE, in programs and contracts of similar scope, type, and complexity. OR
Seven (7) years of experience as a SWE, in programs and contracts of similar scope, type, and complexity.

Position Description
The DevOps Software Engineer shall be part of a team responsible for designing, developing and maintaining a comprehensive distributed Metrics and Monitoring solution for HPC systems to ensure the reliability, performance, and scalability of HPC infrastructure.

Position Required Skills

Position Desired Skills

Title: UI/UX Designer
Location: Annapolis Junction, MD
Compensation Range: $170 -$190K
*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.

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 *

Qualifications:
Master’s degree in computer science or related discipline from an accredited college or university, plus three (3) years of experience in programs and contracts of similar scope, type, and complexity. OR
Bachelor’s degree in computer science or related discipline from an accredited college or university, plus five (5) experience in programs and contracts of similar scope, type, and complexity. OR
Seven (7) years of experience in programs and contracts of similar scope, type, and complexity.

Position Description
Candidates in this position shall be responsible for crafting pixel-perfect user interfaces that enhance the usability and overall user experience for a family of web applications. In this role, the UI/UX designer shall be responsible for the visual layout, styling of web pages, making key decisions in color, typography, and iconography in component design.

Position Required Skills

Position Desired Skills

Title: Software Engineer 2 (Permissions Management)
Location: Annapolis Junction, MD
Compensation Range: $170 -$190K
*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.

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 *

SWE-2 Qualifications:
Master’s degree in computer science or related discipline from an accredited college or university, plus three (3) years of experience as a SWE, in programs and contracts of similar scope, type, and complexity. OR
Bachelor’s degree in computer science or related discipline from an accredited college or university, plus five (5) years of experience as a SWE, in programs and contracts of similar scope, type, and complexity. OR
Seven (7) years of experience as a SWE, in programs and contracts of similar scope, type, and complexity.

Position Description
The Software Engineer shall be responsible for implementing access controls and permission mechanisms for securing access to critical HPC system resources through robust permission management, ensuring compliance with the Agency’s security policies and industry standards.

Position Required Skills

Position Desired Skills

Title: Software Engineer 2 (Permission Management)
Location: Annapolis Junction, MD
Compensation Range: $170 -$190K
*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.

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 *

SWE-2 Qualifications:
Master’s degree in computer science or related discipline from an accredited college or university, plus three (3) years of experience as a SWE, in programs and contracts of similar scope, type, and complexity. OR
Bachelor’s degree in computer science or related discipline from an accredited college or university, plus five (5) years of experience as a SWE, in programs and contracts of similar scope, type, and complexity. OR
Seven (7) years of experience as a SWE, in programs and contracts of similar scope, type, and complexity.

Position Description
The Software Engineer shall be responsible for implementing access controls and permission mechanisms for securing access to critical HPC system resources through robust permission management, ensuring compliance with the Agency’s security policies and industry standards.

Position Required Skills

Position Desired Skills

Title: Software Engineer 3 (Data Management)
Location: Annapolis Junction, MD
Compensation Range: $190 -$210K
*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.

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 *

Summary:
The Software Engineer shall be responsible for the design, development, test, and sustainment of an end-to-end Big Data processing platform that provides downstream systems with aggregated analytic results and allows end-users the ability to query, visualize, and analyze event data from multiple data sources.

Qualifications:
Master’s degree in computer science or related discipline from an accredited college or university, plus five (5) years of experience as a SWE, in programs and contracts of similar scope, type, and complexity.
OR
Bachelor’s degree in computer science or related discipline from an accredited college or university, plus seven (7) years of experience as a SWE, in programs and contracts of similar scope, type, and complexity
OR
Nine (9) years of experience as a SWE, in programs and contracts of similar scope, type, and complexity.

Required Skills:

Desired Skills:

Title: Android-Savvy CNO Developer 2
Location: Annapolis Junction, MD
Compensation Range: $170 -$190K
*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.

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 *

Key Responsibilities:

Minimum Qualifications:

Preferred Qualifications:

Title: Software Engineer 3 (Monitoring Capabilities)
Location: Annapolis Junction, MD
Compensation Range: $190 -$210K
*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.

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 *

Summary:
The Software Engineer shall be responsible for developing rapid experimental prototypes of particular capabilities associated with the improvement and modernization of metrics and monitoring capabilities within the Y33 organization. Tasking shall also include demonstrations to validate concepts and to prove operational capability and scalability.

Qualifications:
Master’s degree in computer science or related discipline from an accredited college or university, plus five (5) years of experience as a SWE, in programs and contracts of similar scope, type, and complexity.
OR
Bachelor’s degree in computer science or related discipline from an accredited college or university, plus seven (7) years of experience as a SWE, in programs and contracts of similar scope, type, and complexity
OR
Nine (9) years of experience as a SWE, in programs and contracts of similar scope, type, and complexity.

Required Skills:

Desired Skills:

Title: Proximal Savvy CNO Developer 2
Location: Annapolis Junction, MD
Compensation Range: $175 -$195K
*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.

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 *

Summary:
The Proximal-Savvy CNO Developer will support a highly specialized cyber operations and research team developing advanced tools and techniques in support of national-level missions. This position is ideal for an early-to-mid career developer with strong foundations in software development, Computer Network Operations (CNO), and Software Defined Radio (SDR) technologies. You’ll work on innovative signal-based access and cyber capabilities in a collaborative, mission-focused environment.

Core Tasks:

Required Qualifications:

  • At least 2 years of cybersecurity or CNO-specific development experience.
  • Strong programming experience in C and understanding of low-level software systems.
  • Experience with Software Defined Radio (SDR) tools or development (e.g., GNU Radio, USRP, HackRF, BladeRF).
  • Familiarity with reverse engineering, protocol analysis, or wireless communications.

    Preferred Qualifications:

    Title: Proximal Savvy CNO Developer 3 (SDR)
    Location: Annapolis Junction, MD
    Compensation Range: $205 -$225K
    *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.

    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 *

    Summary:
    The Proximal-Savvy CNO Developer will work within a mission-critical Research & Engineering (R&E) team supporting advanced cyber operations. This role demands a highly skilled and innovative software developer with deep expertise in low-level systems programming, reverse engineering, and Software Defined Radio (SDR) technologies. The selected candidate will be part of the Proximal TTO, a specialized team focused on developing offensive and defensive cyber capabilities to support national security missions.

    Core Tasks:

    Required Qualifications:

  • Degree in Computer Science, Computer Engineering, or an extremely related discipline.
  • At least 10 years of experience in software development, especially in:
  • C programming
  • Reverse engineering
  • At least 3 years of experience in cybersecurity or CNO development
  • Experience working with or developing Software Defined Radio (SDR) technologies (e.g., GNU Radio, USRP, HackRF)
  • Strong understanding of low-level operating system internals, memory management, and network protocols.

    Preferred Qualifications:

    Title: Proximal Savvy CNO Developer 3 (WiFi/Bluetooth)
    Location: Annapolis Junction, MD
    Compensation Range: $205 -$225K
    *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.

    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 *

    Summary:
    The Proximal-Savvy CNO Developer will serve on a specialized research and engineering team supporting advanced cyber operations. This position is ideal for an experienced and innovative software developer with deep expertise in Computer Network Operations (CNO) and a passion for working on cutting-edge mobile technologies, including Wi-Fi and Bluetooth protocols. You will contribute to the development of mission-critical cyber capabilities by designing, building, and enhancing software tools used for both defensive and offensive cybersecurity operations.

    Core Tasks:

    Required Qualifications:

    Preferred Qualifications:

    Title: Software Engineer 2 (GHOSTGEM)
    Location: Annapolis Junction, MD
    Compensation Range: $170 -$190K
    *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.

    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 *

    SWE-2 Qualifications:
    Master’s degree in computer science or related discipline from an accredited college or university, plus three (3) years of experience as a SWE, in programs and contracts of similar scope, type, and complexity. OR
    Bachelor’s degree in computer science or related discipline from an accredited college or university, plus five (5) years of experience as a SWE, in programs and contracts of similar scope, type, and complexity. OR
    Seven (7) years of experience as a SWE, in programs and contracts of similar scope, type, and complexity.
    Position Description
    The Software Engineer shall be responsible for developing, sustaining, and troubleshooting GHOSTGEM's software suite of applications including JEDIPOWER/DINO and possibly future capabilities as mission needs arise.  Software development activities include implementation, testing, and integration with other COTS and FOSS products, packages, and libraries. The Software Engineer must have a demonstrated understanding of the software development life cycle.

    Position Required Skills

    Position Desired Skills

    Title: DevOps Software Engineer 3 (Hybrid)
    Location: Annapolis Junction, MD
    Compensation Range: $190 -$210K
    *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.

    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 *

    Position Description:
    The DevOps Software Engineer shall be responsible for software integration efforts, development of framework solutions, and maintaining automated infrastructure solutions to ensure high availability and scalability of HPC systems in a Linux environment. In this role, the DevOps Software Engineer shall work closely with various stakeholders to streamline the deployment pipeline and optimize system performance.

    Qualifications:
    Master’s degree in computer science or related discipline from an accredited college or university, plus five (5) years of experience as a SWE, in programs and contracts of similar scope, type, and complexity.
    OR
    Bachelor’s degree in computer science or related discipline from an accredited college or university, plus seven (7) years of experience as a SWE, in programs and contracts of similar scope, type, and complexity
    OR
    Nine (9) years of experience as a SWE, in programs and contracts of similar scope, type, and complexity.

    Position Required Skills

    Position Desired Skills:

    Title: Software Engineer 3
    Location: Annapolis Junction, MD
    Compensation Range: $215 -$235K
    *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.

    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 *

    Description:
    The Software Engineer develops, maintains, and enhances complex and diverse software systems (e.g., processing-intensive analytics, novel algorithm development, manipulation of extremely large data sets, real-time systems, and business management information systems) based upon documented requirements. Works individually or as part of a team. Reviews and tests software components for adherence to the design requirements and documents test results. Resolves software problem reports. Utilizes software development and software design methodologies appropriate to the development environment. Provides specific input to the software components of system design to include hardware/software trade-offs, software reuse, use of Commercial Off-the-shelf (COTS)/Government Off-the-shelf (GOTS) in place of new development, and requirements analysis and synthesis from system level to individual software components.
    Requirements:

    Core Tasks:

    Title: Usability/Human Factors Engineer
    Location: Annapolis Junction, Maryland
    Compensation Range: $145 – $165K
    *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.

    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 *

    Job Description:
    Seeking a Usability/Human Factors Engineer to join the software development team who will develop and sustain integrated, feature-rich capabilities that promote modernization of visualization and presentation tools. The software development team will provide application development and support to tools that allow mission analytic users to view existing data or contribute new information in a collaborative environment.
    The Usability/Human Factors Engineer will focus on solving user experience challenges on a highly complex application used by a wide range of users. The Usability/Human Factors Engineer works with developers, managers, and system engineers to keep the product modern and cutting edge. Additionally, the Usability/Human Factors Engineer 2 will research and document user workflows, design and create mockups, engage with users, and interact with the development teams using tools such as Axure and Adobe Creative Cloud Suite.
    Additional information:

    Required Education:

    Individual Capabilities Required:

    Title: Network Engineer
    Location: Annapolis Junction, MD
    Compensation Range: $205 – $225K
    *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.

    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 *

    Core Tasks:

    Requirements:

    Preferred:

    Title: Database Engineer/System Administraator
    Location: Annapolis Junction, MD
    Salary Range: $180-$200K
    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.

    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 *

    Description:

     

     

     

    Title: Sr. Database Adminstrator – Postgres, MySQL, and Oracle Database
    Location: Annapolis Junction
    Compensation Range: 
    $180 – 200k
    *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.

    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 *

    Description:
    Sr. Database Administrator with 10+ years experience supporting large scale or enterprise level database services.
    Required Skills:

    Qualifications:

    Title: Sr. Database Admin / Engineer – Exadata:
    Location: Annapolis Junction, MD

    *Clearance: *Active TS/SCI w/ Polygraph needed to apply *
    Compensation Range: $175k – $195k

    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:
    Sr. Oracle Database Administrator with 10+ years Oracle database administration experience supporting large scale or enterprise level database services.
    Required Skills:   

    TS/SCI w/ FSP required.
     
    Qualifications:

    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 *
     

    Title: Systems Administrator IV (Storage)
    Location: Annapolis Junction, MD
    *Clearance: *Active TS/SCI w/ Polygraph needed to apply *
    Compensation Range: $210k – $230k

    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*

    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 *
     

    Title: Systems Administrator IV (HPC)
    Location: Annapolis Junction, MD
    *Clearance: *Active TS/SCI w/ Polygraph needed to apply *
    Compensation Range: $210k – $230k

    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*

    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 *
     

    Title: Software Integration Engineer 3
    Location: Annapolis Junction, MD
    Compensation Range: $190 -$210K
    *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.

    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 *

    Position Description:
    The Software Integration Engineer shall be responsible for the installation, configuration, maintenance, and troubleshooting of a large-scale multi-tenant Kubernetes “on-prem” cluster which serves as the foundation for mission-critical applications across multiple tenants.
    In this role, the Software Integration Engineer shall collaborate closely with DevOps, Security, and Application teams to implement automation, enforce best practices, and support integration of new services within the Kubernetes cluster ensuring the reliability, performance, and security of the Kubernetes-based infrastructure.
    Qualifications:
    Bachelor's Degree in Computer Science or related field 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.
    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 eight (8) years of demonstrable experience.
    OR
    An industry recognized professional certification, as defined in the TT0s, may substitute as one (1) year experience. A Master's Degree in Computer Science or related field may substitute for two (2) years' experience.
    Position Required Skills:

    Position Desired Skills:

    ​​​​

    Title: MySQL Database 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.

    Description:
    Candidate will be providing MySQL database administration support.
    Skills:

     
    Qualifications: