• Senior Principal Cyber Security Engineer

    ManTech (Chantilly, VA)
    …as Nmap, Nessus, and tcpdump **Clearance Requirements:** + Must have a current/active TS / SCI with Polygraph **Physical Requirements:** + The person in this ... **MANTECH** seeks a motivated, career and customer-oriented **Senior Principal Cyber Security Engineer ** to join our team in **Chantilly, VA.** This role supports… more
    ManTech (12/13/25)
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  • Principal Cyber Security Engineer

    ManTech (Chantilly, VA)
    …as Nmap, Nessus, and tcpdump **Clearance Requirements:** + Must have a current/active TS / SCI with Polygraph **Physical Requirements:** + The person in this ... **MANTECH** seeks a motivated, career and customer-oriented **Principal Cyber Security Engineer ** to join our team in **Chantilly, VA.** This role supports the… more
    ManTech (12/13/25)
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  • Network Engineer

    Nightwing (Arlington, VA)
    …and continuous monitoring. **Required Skills:** - US Citizenship - Must have an active DoD Secret clearance, TS / SCI clearance is preferred - Must be able to ... the restoration of services. Nightwing is seeking a motivated network engineer to implement, maintain and support the lab network infrastructure.… more
    Nightwing (11/26/25)
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  • Platform Engineer (Level 2)

    Kaizen Approach, Inc (Annapolis Junction, MD)
    Information Assurance Technical (IAT) Level I or higher certification.* Active TS / SCI clearance with full-scope polygraph required. Salary Range:A variety of ... Kaizen Approach is currently seeking a Platform Engineer (Level 2) to support enterprise hosting environments...(Level 2) to support enterprise hosting environments and enhanced Virtual Desktop Infrastructure (eVDI) systems within a secure federal… more
    Kaizen Approach, Inc (11/07/25)
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  • Cloud Engineer , Journeyman

    CGI Technologies and Solutions, Inc. (Arlington, VA)
    …and/or Experience: Bachelor's degree and/or 2 to 5 years of experience * Security Clearance: TS / SCI with the ability to obtain a CI Poly * Platform Expertise: ... **Cloud Engineer , Journeyman** **Category:** Infrastructure/Cloud **Main location:** United States,...Implement and maintain cloud security best practices to protect sensitive data and systems. * Optimization: Monitor resource usage… more
    CGI Technologies and Solutions, Inc. (12/13/25)
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  • Software Virtualization Engineer

    Arena Technical Resources, LLC (Springfield, VA)
    Engineer Location: Springfield, VA Eligibility: Candidate must possess an active TS / SCI clearance Job Description: We are looking for a Software ... Software Virtualization Engineer Location: Springfield, VA, US Job ID: ATR...of experience with VDI technologies, including VMware Horizon, Citrix Virtual Apps and Desktops, or Microsoft Remote Desktop Services.… more
    Arena Technical Resources, LLC (01/16/26)
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  • VDI Engineer

    Arena Technical Resources, LLC (Springfield, VA)
    …VDI Engineer Location: Springfield, VA Eligibility: Candidate must possess an active TS / SCI clearance and be willing to obtain a CI Poly after starting ... VDI Engineer Location: Springfield, VA, US Job ID: ATR...across teams to aid in implementing several methods for virtual application delivery to includeAppV, AppVolumes,XenApp, SCCM -Continuous troubleshooting… more
    Arena Technical Resources, LLC (11/13/25)
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  • Systems Engineer

    Nightwing (Sterling, VA)
    …in the intelligence community, defense, civil, and commercial markets. Job Title: Systems Engineer Location: Sterling, VA Clearance: TS / SCI Poly **This ... position is CONTINGENT upon contract award** The Systems Engineer (SE) collaboratively works closely with the Sponsor, leadership and P&O Teams to identify,… more
    Nightwing (12/26/25)
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  • Network Engineer

    Leidos (Arlington, VA)
    …may be considered in lieu of degree + Candidate must possess an active DOD TS / SCI level security clearance, and be eligible to obtain and maintain aw/CI Poly ... FUTURE ROLE** Leidos' Digital Modernization sector is seeking a Network Engineer to be responsible for the design, migration, implementation, enhancement,… more
    Leidos (01/02/26)
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  • Systems Engineer

    Lockheed Martin (Herndon, VA)
    …on\-the\-job experience with data encryption within a secure environment\. **Clearance Level:** TS / SCI w/Poly SP **Other Important Information You Should ... emerging cloud technology solutions including server virtualization, network virtualization, virtual network appliances, and cloud‑management systems\. * Implement a… more
    Lockheed Martin (01/17/26)
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