• DARPA Advanced Technology Engineer

    IronMountain Solutions, Inc. (Arlington, VA)
    501164 DARPA Advanced Technology Engineer Work Location: Arlington, Virginia Schedule: Full Time Relocation: Negotiable IronMountain Solutions, Inc. is seeking ... Education and General Experience: + Experience planning and executing complex engineering and systems analysis efforts for the DoD and/or IC. + Expert in assessing… more
    IronMountain Solutions, Inc. (09/28/25)
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  • Enshadow Software Engineer

    Nightwing (Sterling, VA)
    Nightwing provides technically advanced full-spectrum cyber, data operations, systems integration and intelligence mission support services to meet our customers' ... development and activities associated with deployment of lawful communication intercept systems . The ideal candidate will be a highly motivated, enthusiastic and… more
    Nightwing (11/18/25)
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  • Firewall Engineer

    SAIC (Springfield, VA)
    …Contract, providing general engineering support to multiple firewall and perimeter security systems and devices. The well qualified candidate will possess and apply ... include:** + Build, design, test and deploy perimeter security systems . + Directs compilation of records and reports concerning...monitoring tools. **Required Clearance:** + US Citizenship. + Active secret clearance with the ability to obtain top … more
    SAIC (11/11/25)
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  • Linux Engineer

    ManTech (Norfolk, VA)
    **MANTECH** seeks a motivated, career and customer-oriented **Linux Engineer ** to join our team onsite in **Norfolk, Virginia** . This is an onsite position. ... issues related to system configurations and network connectivity for Range POR systems . + Ensure compliance with security policies, procedures, and best practices,… more
    ManTech (11/05/25)
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  • SD WAN Network Engineer

    SAIC (Springfield, VA)
    **Description** This is an opening for an **SD-WAN Senior Network Engineer ** to support the Department of State's (DoS) Diplomatic Technology Operations Division. ... This program provides transparent, interconnected systems and security supporting the DoS in successfully carrying...tools. **Required Clearance:** + US Citizenship. + Active interim secret or higher is required. + Ability to obtain… more
    SAIC (10/23/25)
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  • RF Spectrum Engineer

    Huntington Ingalls Industries (Arlington, VA)
    …Time/Salaried/Exempt Anticipated Salary Range: $103,687.00 - $160,000.00 Security Clearance: Secret Level of Experience: Mid This opportunity resides with Warfare ... Systems (WS), a business group within HII's Mission Technologies...Technologies is seeking a highly motivated and experienced Spectrum Engineer to support a critical Department of War (DoW)… more
    Huntington Ingalls Industries (10/23/25)
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  • Software Engineer (Associate - Mid Level)

    G2 Ops, Inc. (Arlington, VA)
    …Security Clearance Requirement: Must be able to obtain and maintain Active DoD Secret Clearance level. Where you make an impact: For this opportunity, we are ... seeking a highly motivated, team-oriented Software Engineer . This exciting position will have the chance to...to work on nearly every aspect related to Model-Based Systems Engineering (MBSE), cybersecurity systems analysis, and… more
    G2 Ops, Inc. (10/11/25)
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  • Software Engineer (SkillBridge Intern)

    Huntington Ingalls Industries (Roanoke, VA)
    …to Obtain Level of Experience: Intern This opportunity resides with Warfare Systems (WS), a business group within HII's Mission Technologies division. Warfare ... Systems comprises cyber and mission IT; electronic warfare; and...Objective The Skillbridge intern will train as a Software Engineer within HII-Mission Technologies, reporting to a designated HII… more
    Huntington Ingalls Industries (10/10/25)
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  • Cybersecurity Engineer III

    TekSynap (Virginia Beach, VA)
    …using various IA-enabled appliances, including: + Firewalls, Intrusion Detection Systems (IDS), Intrusion Prevention Systems (IPS), Routers/Switches, Cross ... eMASS. + Execute secure configuration and STIG implementation on DoD systems and applications. + Conduct comprehensive vulnerability assessments using the Assured… more
    TekSynap (10/01/25)
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  • Software Engineer

    Amentum (Dahlgren, VA)
    …a dedicated results-oriented SW Developer to support NSWC Dahlgren H20. **Software Engineer Responsibilities include:** + Working with a small Undersea Warfare (USW) ... publish/subscribe and client server models using TCP/IP sockets + Must have an Active SECRET US Government Clearance. Note: US Citizenship is required to obtain a … more
    Amentum (08/31/25)
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