• Mid-Level Systems Engineer

    Leidos (Alexandria, VA)
    …of the Decision Advantage Solutions Business Area, is currently seeking a Mid-Level Systems Engineer for the Chinook Program. As part of a highly skilled team, you ... St. Louis, MO + Tucson, AZ **Clearance Level Required:** Top Secret with SCI eligibility and able to obtain a Polygraph. **Primary Responsibilities:** + Support… more
    Leidos (11/22/25)
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  • Enterprise Systems Engineer

    ManTech (Mclean, VA)
    **ManTech** is seeking a motivated, career and customer-oriented **Enterprise Systems Engineer ** to join our team in **McLean** **, VA** . **Responsibilities include ... management in a multi-region environment + Experience building PaaS or internal cloud + Advanced experience in systems integration, the ability to write integration… more
    ManTech (11/18/25)
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  • Network Engineer 4

    M. C. Dean (Springfield, VA)
    …meet eligibility requirements, including US Citizenship, for access to classified information . **ACTIVE TS/ SCI is REQUIRED** **Education:** + Bachelor's degree ... engineering, and cybersecurity industries. We are seeking a **Network Engineer 4** to join our **Security and Electronic Systems...in engineering, Computer Science, Information Technology (IT) or a related discipline 7+ years… more
    M. C. Dean (01/08/26)
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  • Security Policy Engineer

    SAIC (Springfield, VA)
    **Description** SAIC is looking for a qualified Security Engineer (ISSO) to join an exciting program in Springfield, Virginia. Individual will be responsible for ... providing systems security support for the protection of multi-level information system assets. Responsibilities include: + Provide ongoing security oversight of… more
    SAIC (12/18/25)
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  • Sr. DevOps Engineer

    BigBear.ai (Herndon, VA)
    Overview BigBear.ai is seeking a Senior DevOps Engineer to join our team. The candidate will work closely with the development team and our customers in the DoD and ... helps people make sense of their data using our cloud -based platform and big data processing algorithms. Each day,...of structured and unstructured data into usable and actionable information for our customers. This is an ideal opportunity… more
    BigBear.ai (01/09/26)
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  • Cyber Security Engineer

    Cinteot (Herndon, VA)
    Cyber Security Engineer (location: Herndon, VA) + TS/ SCI with adjudicated CI poly required prior to start + Must have DoD 8570/8140 approved certification such ... Secure Configuration/Hardening of Department of Defense (DoD) information systems. * Security Information and Event Management (SIEM) and cloud technologies. more
    Cinteot (01/06/26)
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  • System Engineer

    Kratos Defense & Security Solutions, Inc. (Herndon, VA)
    …actions-always striving to do the right thing. Kratos is looking for a System Engineer Level 3 with cyber knowledge and experience, to support a system throughout ... the processes of developing, procuring, and maintaining electronic and information technology products and systems + Manipulate extremely large...and years of directly related experience) + An active TS/ SCI with a full Poly + Solid knowledge and… more
    Kratos Defense & Security Solutions, Inc. (12/06/25)
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  • SETA Systems Engineer

    SAIC (Sterling, VA)
    **Description** Are you a highly motivated Systems Engineer looking for a rewarding opportunity to make a significant impact? SAIC has an immediate opening for an ... and expertise during key test events **Qualifications** + Must currently hold a TS/ SCI and Polygraph clearance + Bachelor's Degree in an engineering field + Minimum… more
    SAIC (10/30/25)
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  • LINUX Systems Engineer

    Nightwing (Sterling, VA)
    …engineering problems while working with a close-nit team as a Linux Systems Engineer . In this role you will perform production systems integration within a ... services (openvpn/wireguard/ipsec), firewalls (netfilter/NFTables), and networks + Experience with information security frameworks such as disk encryption, PKI, Symmetric/Asymmetric… more
    Nightwing (10/22/25)
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  • Software Engineer Level 2

    General Dynamics Information Technology (Annapolis Junction, MD)
    …Regular **Clearance Level Must Be Able to Obtain:** Top Secret SCI + Polygraph **Public Trust/Other Required:** None **Job Family:** Software Engineering ... Required:** Yes **Job Description:** What you will be doing The DevOps Engineer shall be responsible for developing and maintaining complex and diverse… more
    General Dynamics Information Technology (12/29/25)
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