• Senior Linux Systems Administrator - 10k…

    Leidos (Aurora, CO)
    …with LINUX, Windows and Virtualization + **Security Clearance** : Must have an active Top Secret / SCI with Polygraph cssrc conmd Come break things (in ... **Leidos** has a new and exciting opportunity for a **Senior Linux Systems Administrator ** in our **National Security Sector's (NSS) Cyber & Analytics Business Area… more
    Leidos (10/09/25)
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  • Systems Administrator

    CACI International (Hampton, VA)
    Systems Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS / SCI Employee Type: Regular ... * **The Opportunity:** CACI is seeking a cleared Systems Administrator in Hampton, VA. This is an immediate need...Tier 1 and 2 personnel. **Qualifications:** **_Required:_** + Active TS / SCI . + Minimum of 3-5 years relevant… more
    CACI International (11/26/25)
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  • SIGINT Systems Administrator (Mid-Band…

    CACI International (Beale AFB, CA)
    SIGINT Systems Administrator (Mid-Band Journeyman) Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS / SCI ... * **The Opportunity:** CACI is seeking a SIGINT Systems Administrator (Mid-Band) to join the CACI team. You will...Field OR ≥7 yrs of AF DCGS experience. + TS / SCI Security Clearance. + ≥2 yrs of… more
    CACI International (11/12/25)
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  • SIGINT Systems Administrator - Sensor…

    CACI International (Beale AFB, CA)
    SIGINT Systems Administrator - Sensor Resource Manager Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS / ... * **The Opportunity:** **CACI is seeking a SIGINT Systems Administrator and Sensor Resource Manager Subject Matter Expert (SME)...OR >5 years Exp. in DCGS Environment. + Active TS / SCI Security Clearance. + Security + CE.… more
    CACI International (10/07/25)
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  • GIS Database Administrator

    CACI International (Fort Bragg, NC)
    GIS Database Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS / SCI Employee Type: Regular ... Opportunity:** CACI has an outstanding opportunity for select expert **GIS (Geographic Information Systems) Database Administrator ** that want to make a… more
    CACI International (10/02/25)
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  • Quality Assurance Linux Administrator

    Assertive Professionals (Hanover, MD)
    …Number AP--24-00023 Location Hanover, Maryland Full-Time/Part-Time Full-Time Minimum Clearance TS / SCI with Polygraph Timeline Open Description Assertive ... Quality Assurance Linux Administrator About the Organization Established in 2015,AssertiveProfessionals(AP), is...operating system and installs Required Experience and Qualifications: + TS / SCI with aPolygraph + Nine (9) years… more
    Assertive Professionals (09/25/25)
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  • Senior SIGINT Systems Administrator

    CACI International (Beale AFB, CA)
    Senior SIGINT Systems Administrator - Sensor Resource Manager Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: ... TS / SCI Employee Type: Regular Percentage of Travel...* The Opportunity: CACI is seeking a SIGINT Systems Administrator and Sensor Resource Manager Subject Matter Expert (SME)… more
    CACI International (09/13/25)
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  • Principal Linux Systems Administrator

    RTX Corporation (El Segundo, CA)
    …required, as only US citizens are eligible for a security clearance​ **Security Clearance:** TS / SCI with CI Poly - Current At Raytheon, the foundation of ... that create a safer, more secure world. **Principal System Administrator ** in infrastructure Workplace Services, collaborates with many teams...Must have an active a transferable US government issued TS / SCI CI Poly security clearance or prior… more
    RTX Corporation (12/05/25)
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  • Cybersecurity System Administrator - DMV

    M. C. Dean (District Of Columbia, DC)
    …and Risk Management Framework (RMF) analysts. **Required Education & Experience:** + **Active** ** TS / SCI w/ polygraph clearance is required.** . 3+ Years of ... MC Dean is seeking a highly skilled **Cybersecurity System Administrator ** to support a secure operational technology environment by...II** certification (eg, Security+ CE, CCNA Security, CySA+). + TS / SCI clearance is required. + **5+ years… more
    M. C. Dean (11/26/25)
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  • System and Network Administrator

    BOOZ, ALLEN & HAMILTON, INC. (Annapolis Junction, MD)
    …investigation and may need to meet eligibility requirements for access to classified information ; TS / SCI clearance with polygraph is required. Compensation ... System and Network Administrator The Opportunity: A well-designed network is critical...take initiative and make recommendations on existing infrastructures + TS / SCI clearance with a polygraph + HS… more
    BOOZ, ALLEN & HAMILTON, INC. (11/23/25)
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