• Information Systems Security Officer (ISSO)

    CACI International (Sterling, VA)
    Information Systems Security Officer (ISSO) Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph ... Opportunity** : CACI is seeking an experienced and proactive Information Systems Security Officer to assist in the management our organization's information … more
    CACI International (10/25/25)
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  • Industrial Security Representative (Cpso)

    Leidos (Alexandria, VA)
    …locations *Prior experience supporting the Department of Defense and/or DTRA, preferably on a security team for a large contract or as a subcontractor *CPSO ... The Digital Modernization Group at Leidos is seeking an Industrial Security Representative (ISR)/Contractor Program Security Officer (CPSO) supporting work… more
    Leidos (10/14/25)
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  • Cyber Security Implementation Engineer

    CACI International (Springfield, VA)
    Cyber Security Implementation Engineer Job Category: Engineering Time Type: Full time Minimum Clearance Required to Start: TS/SCI Employee Type: Regular Percentage ... Travel: Local * * * **The Opportunity:** TCS offers a long-term contract opportunity supporting the National Geospatial-Intelligence Agency's (NGA). Our team of… more
    CACI International (11/14/25)
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  • Cyber Network Security Engineer

    CACI International (Chantilly, VA)
    Cyber Network Security Engineer Job Category: Engineering Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee Type: Regular ... **The Opportunity:** **CACI is seeking a talented Cyber Network Security Engineer to join our team in Chantilly, VA....including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates,… more
    CACI International (12/02/25)
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  • Project Manager - Global Nuclear Security…

    Parsons Corporation (Centreville, VA)
    …Parsons is seeking to hire a Project Manager (PM) for a US Government contract . The PM will provide overall leadership and guidance for a large, complex ... Provides direction and management for small to medium-sized international nuclear security projects and ensures on-schedule completion within or below budget in… more
    Parsons Corporation (10/23/25)
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  • Network Engineer - Wireless

    Trace Systems Inc (Portsmouth, VA)
    …US Government issued Top Secret clearance. + Due to the nature of the work and contract requirements, US Citizenship is required. + Security + CE or higher and ... locations. + Provide advanced support for networks, including routing, switching, security , and troubleshooting wired and wireless network infrastructure. Provide an… more
    Trace Systems Inc (12/15/25)
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  • Security Engineer - Virginia Beach

    Serco (Arlington, VA)
    …the United States Navy - Serco has a great opportunity for you! This Information Security Test Engineer will be on a dynamic team responsible for testing afloat and ... collaborative skills to make an impact towards our national security homeland defense. **This position is contingent upon your...will not be obligated to pay a placement or contract fee. If you are interested in becoming an… more
    Serco (01/06/26)
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  • Cyber Security Operations Specialist - CSOC…

    CACI International (Springfield, VA)
    Cyber Security Operations Specialist - CSOC (Tiers 1, 2, 3) Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI ... & Cybersecurity Services (TCS) program is actively hiring TS/SCI cleared Cyber Security Operations Specialists to join our CSOC Tiered Services team! We are… more
    CACI International (11/10/25)
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  • Network Security Engineer III

    TekSynap (Virginia Beach, VA)
    …+ Design, implement, and maintain secure network infrastructure, enforcing security controls across hardware, software, and network components. + Conduct ... STIG implementation to ensure systems meet DoD security compliance standards. + Configure and manage Active Directory...required to comply with any vaccination requirements mandated by contract , applicable law or regulation. By applying to a… more
    TekSynap (12/30/25)
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  • Cyber Security Engineering Specialist III

    William C Brown Inc (Springfield, VA)
    Cyber Security Engineering Specialist III EOE Statement We are an equal employment opportunity employer. All qualified applicants will receive consideration for ... C. Brown, Inc (WCBinc) is looking for a Cyber Security Engineering Specialist III to provide support for our...of compromise to send to Cybersecurity stakeholders and other Contract Services + Provides adversary attribution + Performs malware… more
    William C Brown Inc (12/19/25)
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