• Senior Software Engineer

    Cinteot (Fort Belvoir, VA)
    SENIOR SOFTWARE ENGINEER REQUIREMENTS: + Active TOP SECRET /SCI + Bachelor's Degree in Systems Engineering, Software Engineering, or Computer Science + 10 ... III certification and compliance upon hire + Baseline Certifications - CCNP Security , CISSP or equivalent JOB DUTIES: + Designs or implements complex algorithms… more
    Cinteot (11/05/25)
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  • Sr. System Development Engineer , AWS Cross…

    Amazon (Herndon, VA)
    …selected be a US Citizen and must currently possess and maintain an active TS /SCI security clearance with polygraph. The position further requires the candidate ... operations, automation, and process improvement - Current, active US Government Security Clearance of TS /SCI with Polygraph Preferred Qualifications -… more
    Amazon (10/15/25)
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  • SIGINT Operations Support Engineer

    CACI International (Sterling, VA)
    SIGINT Operations Support Engineer Job Category: Engineering Time Type: Full time Minimum Clearance Required to Start: TS /SCI Employee Type: Regular Percentage ... years of additional experience may be substituted for a bachelor's degree. + A TS /SCI clearance is the minimum requirement to begin employment. As a requirement of… more
    CACI International (12/02/25)
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  • Project Engineer (Future Openings)

    In-Q-Tel, Inc. (Mclean, VA)
    …a collaborative mindset. + Candidates must meet eligibility requirements for a US top - secret clearance. To perform this job successfully, an individual must be ... + Oversee requirements analysis, design implementation planning, integration and test , documentation, installation, and deployment of the technologies. + Review… more
    In-Q-Tel, Inc. (10/07/25)
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  • Intermediate Sensor Engineer

    The MITRE Corporation (Mclean, VA)
    …Qualifications: + MS or PhD in electrical engineering, math, or physics + Active TOP SECRET Security Clearance + Experience developing tracking algorithms + ... and utilize code (MATLAB, Python) for sensor design development, test and evaluation, performance modeling at the system and...and work experience + Ability to obtain a DoD SECRET Security Clearance. + Per the US… more
    The MITRE Corporation (12/09/25)
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  • Cses III - Firewall Engineer

    CACI International (Springfield, VA)
    …health and strong security posture of complex network architectures. The Firewall Engineer will be actively involved with all phases of security design, ... CSES III - Firewall Engineer Job Category: Information Technology Time Type: Full...test plans, and all relevant documentation. + Develops security assessment and mitigation strategies. + Maintain compliance with… more
    CACI International (12/18/25)
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  • Infrastructure Engineer /Administrator

    CACI International (Mclean, VA)
    Infrastructure Engineer /Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS /SCI with Polygraph ... * * **The Opportunity:** CACI is seeking a highly motivated Linux System Engineer and Administrator with hands on experience with the full lifecycle development and… more
    CACI International (12/26/25)
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  • Network Engineer

    System One (Springfield, VA)
    …Virginia Type: Contract To Hire Compensation: $130,000 - $150,000 depending on experience Security Clearance: TS /SCI Network Engineer to provide support for ... cable systems. Develops system specifications, architecture designs, integration and test plans, and all relevant documentation. + Develops risk...Field + 4+ years' experience working as a Network Engineer + TS /SCI Security Clearance… more
    System One (12/26/25)
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  • Software Engineer (508 Compliance SME)

    Saliense Consulting (Arlington, VA)
    Secret clearance to be considered and must be eligible to obtain a Top Secret clearance. Position Description: Technical 508 Compliance SME to join our team ... of Naval Research (ONR) in Arlington, VA. Candidates must possess an active Secret Clearance to be considered. The Technical 508 Compliance SME will assist the… more
    Saliense Consulting (12/19/25)
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  • Sr Specialist, Systems Engineer (Cloud…

    L3Harris (Chantilly, VA)
    …the space, air, land, sea and cyber domains in the interest of national security . Job Title: Sr Specialist, Systems Engineer (Cloud Systems) Job Code: 32135 ... minimum of 10 years of prior related experience + Ability to obtain a TS /SCI security clearance + 4+ years experience decomposing complex requirements into… more
    L3Harris (12/21/25)
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