• Staff Network Administrator - TS /SCI

    Northrop Grumman (Redondo Beach, CA)
    …after hours, and weekends, as needed + Candidates must have a current DOD ** Top Secret ** level security clearance with **SCI** access level eligibility (at a ... Northrop Grumman, our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today, and for generations… more
    Northrop Grumman (12/10/25)
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  • Senior Software Developer - TS /SCI…

    Leidos (Reston, VA)
    …**Required clearance:** Candidates for consideration **must possess an active and in-scope** Top Secret clearance with the ability and willingness to obtain ... Mission Solutions Business Area at Leidos seeks a Software Engineer to lead the creation of new software capabilities...test, simulation, and verification of software simulation or decision systems . A successful applicant will be able to write… more
    Leidos (12/21/25)
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  • Fidelis Administrator - Active TS /SCI…

    ENS Solutions (Reston, VA)
    …deployments and configuration management. + Experience as a network administrator or systems engineer . + Experience in using Active Directory to manage ... manage operating system and application software as necessary. Support Linux & Windows systems engineering efforts in...issues to ensure it remains fully operational + Active TS /SCI clearance; willingness to take a polygraph exam +… more
    ENS Solutions (12/27/25)
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  • Defensive Cyber Operations (DCO) SME- Cocoa Beach,…

    Deloitte (Lake Mary, FL)
    …Elastic Search, Logstash, Kibana, Splunk, etc.) + Agile frameworks for software development, - Linux operating systems (Red Hat, Kali, etc.) + Windows operating ... SME with a desire to actively defend the mission systems critical to our national defense. As a senior... critical to our national defense. As a senior engineer the candidate will lead individuals towards common goals… more
    Deloitte (12/17/25)
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  • Systems Engineer IV

    Noblis (Chantilly, VA)
    …server environments, and operating systems with special emphasis on Top Secret classification enclaves. Your extensive expertise in Nutanix hyper-converged ... changes to network hardware, infrastructure server environments, and operating systems in Top Secret environments....School diploma with 16 years of experience. + Active Top Secret ( TS ) clearance with… more
    Noblis (12/22/25)
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  • Linux Engineer

    Arena Technical Resources, LLC (Chantilly, VA)
    …VA, US Job ID: ATR 17717 Job Description Job Title: Linux Engineer Location: Chantilly, VA Eligibility: Top Secret /SCI clearance with current CI ... Systems Engineering team is seeking a driven Senior Linux /UNIX Systems Administrator that is highly technical...- Experience writing detailed, technical documentation -8570 Compliance -Active TS /SCI + CI Poly - Ability to respond to… more
    Arena Technical Resources, LLC (11/29/25)
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  • Systems Integration / Test Eng…

    Lockheed Martin (Nellis Air Force Base, NV)
    …and technologies\. **Desired Skills:** * Previous or active DoD Top Secret /SCI security clearance\. * Experience with simulation\-based systems and JSE ... and engineering\. Lockheed Martin is seeking a highly skilled Systems Integration and Test Engineer to join...aerospace and defense\. **Basic Qualifications:** * A current active Top Secret Level Clearance with an investigation… more
    Lockheed Martin (11/09/25)
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  • Systems Engineer III

    Noblis (Chantilly, VA)
    …server environments, and operating systems with special emphasis on Top Secret classification enclaves. Your experience in Nutanix hyper-converged ... Responsibilities As a ** Systems Engineer III** you will provide...School diploma with 14 years of experience. + Active Top Secret ( TS ) clearance with… more
    Noblis (12/22/25)
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  • Senior Linux /Unix Administrator

    S4 Inc. (Omaha, NE)
    …reporting, including patching, compliance, and outage information Required Qualifications: + Active Top Secret security clearance and eligible for SCI access + ... Linux /Unix Administrator Work Location: USSTRATCOM Offutt AFB Clearance: TS /SCI Education: Bachelor's degree in a related field; equivalent work experience… more
    S4 Inc. (10/08/25)
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  • Linux Engineer

    ManTech (Quantico, VA)
    …+ The Linux Engineer will maintain, update, and secure existing Linux systems on both classified and unclassified networks in support of Cyber ... **MANTECH** seeks a motivated, career and customer-oriented ** Linux Engineer ** to support our current...**Security Clearance Required** : + Must have a current/active Top Secret with the ability to obtain… more
    ManTech (10/31/25)
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