• Aircraft Inspector III

    Sierra Nevada Company, LLC (Hagerstown, MD)
    …provides affordable, turn-key command/control, communications, integrated ISR, force protection and security solutions worldwide. The MST team has a long legacy of ... supporting the Department of Defense, Department of Homeland Security , commercial and international customers with years of experience in platform operations,… more
    Sierra Nevada Company, LLC (10/15/25)
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  • ISSE Senior - with TS/SCI Poly

    Amentum (Columbia, MD)
    **Your Impact:** Are you interested in using your skills to help shape the Cyber , Security , & Intel space? If so, look no further. Amentum is seeking a **Senior ... support challenging, mission-critical projects that make a direct impact on the Nation's security and intelligence mission. As the Senior ISSE on a dynamic team, you… more
    Amentum (10/14/25)
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  • Network Engineer - Senior

    Amentum (Fort Meade, MD)
    …support challenging, mission-critical projects that make a direct impact on the Nation's security and intelligence mission. In support of DISA, the Intel and ... Cyber Division is assembling a team to support a...**Responsibilities:** + Design, build and troubleshoot network and network security architecture + Analyze and develop new hardware requirements… more
    Amentum (10/02/25)
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  • M365 Exchange Online Administrator

    Leidos (Gaithersburg, MD)
    security measures, including threat protection, to safeguard against evolving cyber threats and ensure compliance with federal security standards. ... approach to IT transformation. Our team is solving the world's toughest security challenges for customers with "can't fail" missions. To explore and learn… more
    Leidos (12/10/25)
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  • Penetration Tester 3 with Poly

    Amentum (Columbia, MD)
    Are you interested in using your skills to help shape the Cyber , Security , & Intel space? If so, look no further. We are seeking a Penetration Tester 3 to join ... challenging, mission-critical projects that make a direct impact on the nation's security and intelligence mission. **Responsibilities:** + Serve as a Subject Matter… more
    Amentum (09/22/25)
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  • Technical Writer (Hybrid)

    HII (Columbia, MD)
    …with expertise in cloud-based services, software and systems engineering, cyber capabilities, and data science. Enlighten provides continued innovation and ... * 10% 401k benefit. * Generous PTO + 10 paid holidays. * Education/ training allowances. Anticipated Salary Range: $80,434.00 - $110,000.00. The salary range for this… more
    HII (12/07/25)
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  • COMSEC Support Specialist - Active Secret…

    ENS Solutions (MD)
    …area of Identity, Credential and Access Management (ICAM), Software Development, Cyber and Network Security , System Engineering, Program/Project Management, IT ... responsible for supporting the lifecycle management and accountability of Communications Security (COMSEC) material and equipment in accordance with National and… more
    ENS Solutions (10/31/25)
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  • Subject Matter Expert Satellite 3

    ARSIEM (Annapolis Junction, MD)
    …requirements. + Act as subject matter expert for system architecture, enterprise security , adaptive systems, and cyber analytic techniques. + Devise innovative ... to ensure threat software applications and solutions exhibit expected performance, security , maintainability, and reliability levels. + Prepare vision and strategy… more
    ARSIEM (10/14/25)
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  • Manager, Software Engineering (Onsite)

    RTX Corporation (Fulton, MD)
    …code review and automated integration testing. + Experience with managing cyber security processes including vulnerability assessments. + Strong communication ... Status Requirements:** The ability to obtain and maintain a US government issued security clearance is required.​ US citizenship is required, as only US citizens are… more
    RTX Corporation (09/26/25)
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  • Cybersecurity Network Defense Administrator

    GovCIO (Annapolis, MD)
    …ACAS Best Practices Guide. The administrator will also manage Army Endpoint Security Solution (AESS) Site Reviewer activities, DISA Whitelist, and PKI Tokens. ... Management (PPSM) support, and reviewing proposed configuration changes for security impact. The administrator will handle in-processing and out-processing tasks,… more
    GovCIO (09/25/25)
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