• Red River (Chantilly, VA)
    At Red River Managed Services, we provide a welcoming and positive workplace where everyone feels valued and able to do their best work, fostering a one-team ... positioned to do their best work; you view every Red River colleague as a member of one team....you successful. We are looking for a **Systems Support Engineer I** to join our fast-paced, customer-first global service… more
    DirectEmployers Association (11/05/25)
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  • Security Software Engineer

    Imagine One Technology & Management (Dahlgren, VA)
    …**for this role.** Imagine One Technology & Management, Ltd. is seeking one (1) Security Software Engineer . This position is contingent upon award of ... work and will be performed in Dahlgren, Virginia. The Security Software Engineer will be...following: 1. Penetration Testing (PENTEST) (government or contractor) 2. Red Team Operations (government or contractor) 3. Tool/ Software more
    Imagine One Technology & Management (09/24/25)
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  • GEOINT Electro-Optical/Infra- Red

    KBR (Chantilly, VA)
    Title: GEOINT Electro-Optical/Infra- Red Processing System Engineer Belong. Connect. Grow. with KBR! KBR is looking for a GEOINT Electro-Optical (EO)/Infra- Red ... working across Geo-Spatial Intelligence (GEOINT), and specifically, Electro-Optical (EO) and Infra- Red (IR) programs and systems. This is a challenging and rewarding… more
    KBR (09/30/25)
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  • Integration and Test Software

    CACI International (Fairfax, VA)
    Integration and Test Software Engineer Job Category: Engineering Time Type: Full time Minimum Clearance Required to Start: Top Secret Employee Type: Regular ... is currently looking for a Senior Integration and Test Software Engineer to join our team developing...safeguarding the American people and enhancing the Nation's safety, security , and prosperity. Our warfighters are on the front… more
    CACI International (09/17/25)
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  • Software Engineer TS/SCI (FSP)

    IBM (Chantilly, VA)
    …skills and experience. **Your role and responsibilities** Seeking a versatile software engineer with TS/SCI US Government security clearance and FSP to join ... our robust technology platforms across the IBM portfolio; including Software and Red Hat.Curiosity and a constant...code reviews, unit testing, and integration testing to ensure software quality and security compliance. Support DevSecOps… more
    IBM (10/24/25)
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  • Software Engineer - Level 5

    Northrop Grumman (Fairfax, VA)
    …with REST architecture + Experience as a full-stack developer + Experience with software development on Red Hat Enterprise Linux + Experience with Atlassian ... your pioneering spirit to our collaborative teams. This _Software Engineer - Level 5_ role will be in either...will:** + Design, develop, document, test and debug applications software and systems that contain logical and mathematical solutions.… more
    Northrop Grumman (09/25/25)
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  • Software Engineer /Systems…

    Cinteot (Springfield, VA)
    Software Engineer / Systems Administrator (location: Springfield, VA) The selected individual will be responsible to support the Framework Services / Platform ... and Security scrum team, performing operations / maintenance of program Window systems software and associated applications. Team members must be able to… more
    Cinteot (11/06/25)
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  • Software Data Engineer

    ManTech (Springfield, VA)
    **MANTECH** is seeking a motivated, career and customer-oriented ** Software Data Engineer ** to join our team in the **Springfield, VA** area. **Responsibilities ... and enhance the functionality, reliability, availability, performance, stability, sustainability, and security of the Maximo application and its databases and tools.… more
    ManTech (08/29/25)
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  • OPIR Systms Engineer

    KBR (Chantilly, VA)
    Title: OPIR Systms Engineer Belong. Connect. Grow. with KBR! KBR is seeking a highly qualified OPIR Systems Engineer to provide Systems Engineer Technical ... IC and DoD users. As a Senior OPIR Systems Engineer , you will be responsible for providing Joint Intelligence...in designing and optimizing defense systems that ensure national security and shape the future of space defense. Key… more
    KBR (09/30/25)
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  • OPIR Systems Engineer

    KBR (Chantilly, VA)
    Title: OPIR Systems Engineer KBR is seeking a highly qualified OPIR Systems Engineer . GED delivers mission-critical capabilities that enable a plan and execute ... IC and DoD users. As a Senior OPIR Systems Engineer , you will be responsible for providing Joint Intelligence...& dissemination + Support integration with DoD Space Based Infra- Red System (SBIRS) + Experience providing OPIR mission knowledge… more
    KBR (10/28/25)
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  • SME DevSecOps Engineer

    Leidos (Alexandria, VA)
    …critical Coast Guard operations, driving innovation that directly impacts national security . **Ready to engineer solutions that matter?** **Primary ... technology, architecting cutting-edge solutions in cyber defense, logistics optimization, security operations, and decision intelligence. We're the minds behind the… more
    Leidos (11/06/25)
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  • Firewall Engineer

    SAIC (Springfield, VA)
    …Foundation certification. + Certifications: Palo Alto Networks Certified Network Security Engineer (PCNSE), A10 Certification/Accreditation, , FortiGate ... of engineering change orders relating to the replacement or enhancement of perimeter security hardware and software . + Experienced with performing root cause… more
    SAIC (11/11/25)
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  • Linux Systems Engineer

    William C Brown Inc (Springfield, VA)
    Linux Systems Engineer EOE Statement We are an equal employment opportunity employer. All qualified applicants will receive consideration for employment without ... protected by law. Description Our work depends on a TS/SCI cleared Linux Systems Engineer joining our team to support our customer in Springfield, VA and help ensure… more
    William C Brown Inc (09/25/25)
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  • CCSS Principal Systems Engineer - WHCA…

    RTX Corporation (Springfield, VA)
    …Person, or Immigration Status Requirements:** Active and transferable US government issued security clearance is required prior to start date.​ US citizenship is ... required, as only US citizens are eligible for a security clearance​ ** Security Clearance:** TS/SCI - Current...Engineering is anticipating an opportunity for a Principal Systems Engineer . This role is suited for a motivated individual… more
    RTX Corporation (11/13/25)
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  • Systems Engineer

    William C Brown Inc (Springfield, VA)
    Systems Engineer EOE Statement We are an equal employment opportunity employer. All qualified applicants will receive consideration for employment without regard to ... other characteristic protected by law. Description WCBinc is looking for a Systems Engineer to join our team to support our intelligence customer activities in… more
    William C Brown Inc (08/27/25)
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  • Network Emulation Engineer

    CACI International (Chantilly, VA)
    red -team experts to evaluate IT environments and identify security goals, vulnerabilities, objectives, and requirements** **Perform cybersecurity operations ... Network Emulation Engineer Job Category: Engineering Time Type: Full time...system performance monitoring and analysis** **Computer, server, and network security troubleshooting; supporting network communications, cabling, software ,… more
    CACI International (10/28/25)
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  • Virtual Systems Engineer

    CACI International (Dahlgren, VA)
    Virtual Systems Engineer Job Category: Engineering Time Type: Full time Minimum Clearance Required to Start: Secret Employee Type: Regular Percentage of Travel ... work experience is required. + Must be a US citizen. _Desired:_ + Secret-level security clearance. (US Citizenship is required in order to obtain a security more
    CACI International (09/30/25)
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  • Senior Software Developer

    Parsons Corporation (Fort Belvoir, VA)
    …what's possible. **Job Description:** Parsons is looking for a talented ** Software Engineer ** to join our growing Red Cyber team! **What You'll Be Doing** ... Required Skills You'll Bring** **:** + 5+ years of relevant experience, including software development and offensive security + Bachelors degree in a relevant… more
    Parsons Corporation (11/03/25)
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  • Systems Administrator II Generalist Sr (Windows…

    V2X (Springfield, VA)
    …battlefield. We bring 120 years of successful mission support to improve security , streamline logistics, and enhance readiness. Aligned around a shared purpose, our ... (CDS) which allows access to Multiple Independent Levels of Security (MILS) and Operational Domains from a single workstation,...including, but not limited to, Citrix, Esri, McAfee, Microsoft, Red Hat, and SolarWinds. The majority of these managed… more
    V2X (11/15/25)
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  • Digital Network Exploitation Analyst

    CACI International (Chantilly, VA)
    …grow on and between programs with peers who are dedicated to advancing national security . Participate in fun team outings and team building events where you get to ... BurpSuite, nmap and Wireshark as well as proprietary tools** **to perform red ** **teaming and penetration** **testing of the client's** **global network** **You will… more
    CACI International (10/29/25)
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