• Systems Engineer

    Leidos (Annapolis Junction, MD)
    …Diploma/GED with 10+ years of system engineering experience + Strong background in Systems Engineering and System Administration + Deep understanding of security ... with enterprise networking hardware and configurations + Proficiency with Windows and Linux system administration + Familiarity with Kubernetes or containerized… more
    Leidos (01/10/26)
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  • Senior DevOps Engineer

    TheIncLab (Nashville, TN)
    …deploying and managing infrastructure using Terraform and/or Ansible. + Solid knowledge of Linux system administration . + Strong skills in Windows system ... (SRE) + Design and implement monitoring, alerting, and observability systems to maintain high availability and performance. + Respond...eligible to obtain a US Security Clearance at the Secret or Top - Secret level. Existing… more
    TheIncLab (11/21/25)
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  • Field Service Engineer I

    Scientific Research Corporation (Charleston, SC)
    …WILL REQUIRE US CITIZENSHIP AS WELL AS, A US GOVERNMENT SECURITY CLEARANCE AT THE SECRET LEVEL WITH TOP SECRET / SCI ELIGIBILITY Travel Requirements + ... removing, rebuilding and/or replacing, re-installing and re-testing Submarine Communication Systems and equipment to include hardware, cabling, and software +… more
    Scientific Research Corporation (01/12/26)
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  • Cyber Systems Administrator

    Serco (Colorado Springs, CO)
    …Qualifications** **Position Description & Qualifications** Serco is seeking a **Cyber Systems Administrator** to support the 705th CTS Distributed Mission Operations ... . The Cyber System Administrator will operate and maintain systems within the DMOC Battlespace, enabling the customer to...Administrator for a hybrid classified environment (ie, Windows and Linux ). + Working closely with DMOC Cybersecurity team to… more
    Serco (01/15/26)
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  • Modeling and Simulation Engineer

    SAIC (Pearl City, HI)
    …+ Map and terrain data experience. + Model Development. + C4I systems administration , integration, interoperability, and architecture experience OTH-G. + Link ... ensure the solution works during event execution. + Performs systems engineering and administration during technical tests...Active Secret Clearance with ability to obtain Top Secret / SCI. + Must be… more
    SAIC (12/06/25)
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  • Application Engineer - Information Security

    CACI International (Fort Meade, MD)
    …**Required** + Active TS /SCI w/ Poly + Experience in Windows and Linux server system administration + VMware architecture administration experience. + ... for growth and professional development. **Responsibilities** + Perform essential system administration functions for both Linux and Windows servers. +… more
    CACI International (12/20/25)
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  • IT Systems Engineer

    ManTech (Chantilly, VA)
    …documentation required for A&A IAW ICD 503. + Experience with Windows administration , Active Directory, administrative scripting languages, and the integration, ... **MANTECH** seeks a motivated, career and customer-oriented **IT Systems Engineer** to join our team in **Chantilly, VA.** **Responsibilities include but are not… more
    ManTech (11/19/25)
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  • Senior Systems Administrator 10k sign…

    Leidos (Annapolis Junction, MD)
    **Description** **Leidos** has a new and exciting opportunity for a Senior Systems Administrator in our **Intelligence Sector's (NSS) Cyber & Analytics Business Area ... more. **Join us and make a difference in National** **Security!** As a Senior Systems Administrator you will play a vital role in maintaining the efficiency and… more
    Leidos (11/15/25)
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  • Systems Administrator Expert - Backup…

    General Dynamics Information Technology (Germantown, MD)
    administration , maintenance, and support of the organization's IT systems and infrastructure including managing servers, ensuring system availability, and ... additional years of experience) + 15+ years of related experience + System Administration , IT Systems and Infrastructure, IT Maintenance, Backup and Disaster… more
    General Dynamics Information Technology (01/05/26)
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  • Information System Security Engineer (ISSE)

    Assertive Professionals (Chantilly, VA)
    …for itself within the Defense Contracting community taking 15th place in America's Top 100 Small Business Visionaries for the 2018 Best of Small Business Awards, ... Number AP--24-00022 Location Chantilly, Virginia Full-Time/Part-Time Full-Time Minimum Clearance TS /SCI with Polygraph Timeline Pipeline Description Assertive Professionalsis seeking… more
    Assertive Professionals (01/07/26)
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