• Information Systems Security Engineer…

    Leidos (Laurel, MD)
    **Description** **Leidos** has a new and exciting opportunity for a ** Senior Information Systems Security Engineer (ISSE)** in our **National Security ... . Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical...This is an exciting position that supports a mission critical program with high visibility and a proven track… more
    Leidos (11/18/25)
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  • System Security Intern - Summer

    Sierra Nevada Company, LLC (Hagerstown, MD)
    …leading edge technologies and transformative solutions that support our nation's most critical security needs. If you are mission-focused, thrive in ... provides affordable, turn-key command/control, communications, integrated ISR, force protection and security solutions worldwide. The MST team has a long legacy of… more
    Sierra Nevada Company, LLC (10/18/25)
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  • Training and Exercise Facilitator, Journeyman

    Leidos (Odenton, MD)
    …combines technology-enabled services and mission software capabilities in the areas of cyber , logistics, security operations, and decision analytics to support ... journeyman-level Training Facilitators to provide expert guidance and direction to critical readiness activities that underpin United States Cyber Command… more
    Leidos (12/11/25)
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  • Mid-Level C++ Devloper (TS/SCI with Poly/New Hire…

    General Dynamics Information Technology (Hanover, MD)
    …experience **US Citizenship Required:** Yes **Job Description:** APPLICATION DEVELOPER SR PRINCIPAL Transform technology into opportunity as an Application Developer ... Sr Principal . Here, you'll tailor cutting-edge solutions to...test frameworks (preferred), Python (preferred), Network protocols (preferred) * Security clearance level: Top Secret SCI + Polygraph *… more
    General Dynamics Information Technology (12/11/25)
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  • AI Solution Architect

    Parsons Corporation (Baltimore, MD)
    …75 years of experience, Parsons is uniquely qualified to deliver cyber /converged security , technology-based intellectual property, and other innovative services ... position demands an exceptional strategist who will architect and deliver mission- critical defense solutions. **What You'll Be Doing:** + Collaborate across the… more
    Parsons Corporation (12/06/25)
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  • Java Developer

    Leidos (Bethesda, MD)
    …for a ** Sr . Java Developer** with advanced Excel in our **National Security Sector's (NSS) Cyber & Analytics Business Area (CABA)** . Our talented ... Security !** We have an immediate need for a Sr . Java Developer with strong systems, software, cloud, database,...to provide Agile development and operations and maintenance for critical systems. Based in DevOps framework, participate in and/or… more
    Leidos (10/31/25)
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  • Supv IT Specialist (Network/Infosec)

    Defense Information Systems Agency (Fort Meade, MD)
    Summary This position is being recruited under 10 USC 1599f into the Cyber Excepted Service and does NOT convey eligibility to be converted to the Competitive ... carry out and support the mission of the US Cyber Command. It is in the Supervision Work Category...tailored to meet customer needs Oral Communication - briefing senior -level management and IT staff on the status of… more
    Defense Information Systems Agency (12/10/25)
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  • Cybersecurity Analyst (Risk Management Framework)…

    General Dynamics Information Technology (Annapolis Junction, MD)
    …this role, a typical day may include: + Acting as an appointed Information System Security Officer (ISSO) for IC cyber systems being developed by the engineering ... Management Framework (RMF) to the satisfaction of the appointed Information System Security Manager (ISSM), and/or Senior Government leadership + Providing clear… more
    General Dynamics Information Technology (11/26/25)
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  • Cyberspace Operations Planner

    Centurum, Inc. (Fort Meade, MD)
    …+ Bachelor's degree + Joint Officer Designation preferred + Completion of Joint Cyber Operations Planners Course (JCOPC) LCAT: Sr Technical Analyst 2 Benefits ... Key Role: Support strategic context, operational design, and mission analysis. Apply critical and creative thinking to define the nature of complex national … more
    Centurum, Inc. (11/28/25)
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  • Cyberspace Subject Matter Expert

    Leidos (Odenton, MD)
    …combines technology-enabled services and mission software capabilities in the areas of cyber , logistics, security operations, and decision analytics to support ... threats around the world. **Your greatest work is ahead!** The National Security Sector (NSS) seeks highly qualified and trained Cyberspace Subject Matter Experts… more
    Leidos (12/11/25)
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