• Lab Manager III

    ARSIEM (Arlington, VA)
    …: Must have an active Secret clearance and be able to obtain a TS /SCI clearance. Must be able to obtain DHS Suitability. Candidate Referral : Do you know someone ... work with. ARSIEM is looking for an experienced Cloud Engineer with strong Red Hat Enterprise Linux (RHEL) experience...Ansible, Terraform, or Red Hat Satellite + Collaborate with security teams to ensure compliance with security more
    ARSIEM (11/12/25)
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  • Distinguished Software Engineering Lead

    Frontier Technology Inc. (Washington, DC)
    …and product leadership to align delivery with mission lifecycle requirements. + Security & Resilience + Engineer architectures for redundancy and resilience ... in one or more core languages (Python, Java, C++, TypeScript). + Active Secret clearance required; TS /SCI strongly preferred. Desired: + Experience developing… more
    Frontier Technology Inc. (12/19/25)
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  • Linux System Administrator

    ManTech (Fort Meade, MD)
    …area. **Responsibilities include, but are not limited to:** + Design, engineer , and implement automated hardening scripts for internal servers adding scalability ... human error and manual process + Analyze system and security logs while responding to discovered real time events...discovered real time events providing SOC status updates. + Engineer ansible script automating creation of user accounts in… more
    ManTech (12/02/25)
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  • Senior JavaScript Developer (Level 2 or 3)

    RBR-Technologies (Fort Meade, MD)
    …basic principle of delivering customer mission success. RBR-Technologies is seeking a Software Engineer (level 1 or 2) to bring their JavaScript expertise to a ... mission-focused team shaping the tools that protect sensitive national security data! Could it be you? RBR-Technologies is seeking...be you? RBR-Technologies is seeking an Senior JavaScript Software Engineer (level 2 or 3) to work in collaboration… more
    RBR-Technologies (01/06/26)
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  • Senior Radar SME (Hybrid)

    Parsons Corporation (Centreville, VA)
    …and Modeling & Simulation environments ** Security Clearance Requirement:** An active Secret security clearance is required for this position.​ This position ... providing leading-edge capabilities critical to the future of national security . At Parsons, we have developed a culture of...engineering technical support + Trade studies + A senior engineer with highly relevant experience in radar systems and… more
    Parsons Corporation (11/15/25)
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  • Linux System Administrator

    ManTech (Fort Meade, MD)
    …MD area. **Responsibilities include, but are not limited to:** + Design, engineer , and implement automated hardening scripts for internal servers adding scalability ... human error and manual process + Analyze system and security logs while responding to discovered real time events...discovered real time events providing SOC status updates. + Engineer ansible script automating creation of user accounts in… more
    ManTech (12/30/25)
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  • Linux System Administrator

    ManTech (Fort Meade, MD)
    …MD area. **Responsibilities include, but are not limited to:** + Design, engineer , and implement automated hardening scripts for internal servers adding scalability ... human error and manual process + Analyze system and security logs while responding to discovered real time events...discovered real time events providing SOC status updates. + Engineer ansible script automating creation of user accounts in… more
    ManTech (10/16/25)
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  • Senior Cloud System Administrator

    ManTech (Annapolis Junction, MD)
    …workspaces, and other core services + Monitor system performance, availability, and security , responding to incidents and performing root cause analysis + Track and ... + 20+ years of experience as a Systems Administrator or Cloud Engineer supporting programs and contracts of similar scope and complexity + Bachelor's… more
    ManTech (12/24/25)
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  • Cloud System Administrator

    ManTech (Hanover, MD)
    …IAM, and other core services + Monitor system performance, availability, and security , responding to incidents and performing root cause analysis + Administer and ... + 10+ years of experience as a Systems Administrator or Cloud Engineer supporting programs and contracts of similar scope and complexity + Bachelor's… more
    ManTech (12/24/25)
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  • ISSO 5

    M. C. Dean (Annapolis Junction, MD)
    …at MC Dean, you will join forces with more than 5,800 professionals who engineer and deploy automated, secure and resilient power and technology systems; and deliver ... for the better. We are seeking a **Information System Security Officer 5 (ISSO)** to join our ** Security...Citizenship, for access to classified information **; active DoD TS /SCI w/ polygraph clearance is required** **Key Requirements:** +… more
    M. C. Dean (10/23/25)
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