• Senior Systems Administrator

    Leidos (Chantilly, VA)
    …that provides attribute data via an LDAP interface to hundreds of various Sponsor systems Required Qualifications + Active TS /SCI with Polygraph + BS degree and ... **Description** Leidos is seeking a System Administrator for a technical development program supporting the...+ Must be an expert in using Linux-based operating systems + Must have strong Bash skills + Must… more
    Leidos (10/10/25)
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  • Senior Systems Administrator

    Amentum (Waimea, HI)
    …following OS Certifications required + Linux + Linux+ Red Hat Certified System Administrator (RHCSA) **Security Clearance** Top Secret security clearance is ... Amentum is seeking a highly experienced Senior Linux System Administrator to oversee...environment. This role requires deep technical expertise in Linux systems , leadership in secure system administration, and a strong… more
    Amentum (09/24/25)
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  • Sr . Linux Systems

    RTX Corporation (El Segundo, CA)
    …have experience with Linux system administration. **Qualifications We Prefer** : + Active Top Secret security clearance is preferred. + Experience with Linux and ... team solves tough, meaningful problems that create a safer, more secure world. ** Sr . Systems Administrators** collaborate with many teams to support fast-paced,… more
    RTX Corporation (09/24/25)
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  • Network & Systems Administrator

    Leonardo DRS, Inc. (San Diego, CA)
    …+ Active DOD Security Clearance Required, with the ability to upgrade to Top Secret and maintain clearance eligibility throughout employment The expected pay ... compliance requirements + Perform support tasks as needed requested by the Senior System Administrator , Information System Security Manager (ISSM), Information… more
    Leonardo DRS, Inc. (08/27/25)
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  • Mid/ Sr System Administrator

    Leidos (Annapolis Junction, MD)
    …experience may be substituted for a degree. + Must have ​experience as a systems administrator providing direct support to end users and technical staff ... **Description** **Mid/ Sr System Administrator ** **Leidos** has a...for a large complex network environment with geographically distributed systems . The position entails supporting solutions for system engineering… more
    Leidos (09/27/25)
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  • Senior Systems Administrator

    Leidos (Vienna, VA)
    **Description** The National Security Sector at Leidos is seeking a ** Senior System Administrator ** to join a dynamic team based in **Tysons Corner, VA** . This ... while supporting a small team responsible for managing a wide range of mission-critical systems . **Key Details** : + Work hours fall within the core shift range of… more
    Leidos (07/29/25)
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  • Senior Systems Administrator

    Competitive Range Solutions, LLC (Fort Meade, MD)
    …exciting projects in a collaborative, congenial environment. We are seeking a Senior System Administrator to lead the management, operations, and maintenance ... of complex DoD systems and networks. This role requires expertise in high-volume,...of continuous learning and improvement. Required Qualifications: + Active Secret Clearance: TS preferred. + Education: +… more
    Competitive Range Solutions, LLC (08/07/25)
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  • Systems Administrator

    ManTech (San Antonio, TX)
    …with computer operating systems **Clearance Requirement:** + Must have a current/active TS /SCI with Poly **Physical Requirements:** + Must be able to remain in a ... **ManTech** seeks an experienced and passionate, career and customer-oriented **System Administrator ** to join our team located in the **San Antonio, TX** area.… more
    ManTech (09/11/25)
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  • System Administrator 4

    M. C. Dean (District Of Columbia, DC)
    …Control, CCTV, PSIM (Physical Security Information Management), and other Integrated Electronic Security Systems . A Systems Administrator 4 position is a ... to work well with others are key to success in this role. The Systems Administrator is responsible for day-to-day management, maintenance, and support of the… more
    M. C. Dean (09/26/25)
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  • System Administrator (Tableau Developer)

    TAD PGS, Inc. (Springfield, VA)
    …area. **US Citizenship is required.** **Candidate must possess an Active Top Secret /SCI Security Clearance.** We are seeking a Systems Administrator ... a trusted source of insight for project, program, and agency-level leadership. The Systems Administrator (Tableau Developer) will Supervise and manage the daily… more
    TAD PGS, Inc. (10/14/25)
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