• Senior Linux Systems Administrator

    Leidos (Columbia, MD)
    **Description** **Leidos** has a new and exciting opportunity for a **Senior Linux Systems Administrator ** in our **National Security Sector's (NSS) Cyber & ... in National** **Security!** Join our team as a **Linux Systems Administrator ** , where you'll provide crucial...Virtualization + **Security Clearance** : Must have an active Top Secret /SCI with Polygraph cssrc conmd If… more
    Leidos (09/26/25)
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  • Principal Windows Systems

    Northrop Grumman (Linthicum Heights, MD)
    …field. + Top Secret Clearance. + Experience operating under and managing systems within NISPOM Chapter 8, DCID 6/ 3 -ICD 503, RMF, STIG, JAFAN, or JSIG ... but not be limited to the following: + Perform as a primary Windows/VMware systems administrator for a classified government contact. + Maintain smooth operation… more
    Northrop Grumman (11/13/25)
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  • Computer System Administrator

    Northrop Grumman (Linthicum Heights, MD)
    …(adjudicated within the last 5 years); additionally, the selected candidate must be Top Secret eligible, and the required security clearance must be maintained ... be limited to the following: + Perform as primary Systems or Network Administrator for a classified...verbal format. + Maintain smooth operation of multi-user computer systems , including coordination with network, software, and system more
    Northrop Grumman (11/12/25)
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  • VTC Administrator

    CACI International (Suitland, MD)
    …experience preferred. + **Required Skills and Attributes:** + Must have an active Top Secret clearance with SCI eligibility. + Comfortable in high visibility ... VTC Administrator Job Category: Information Technology Time Type: Full...of comprehensive experience with digital A/V (Audio & Video) systems . + At least 3 years of… more
    CACI International (11/11/25)
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  • Linux System Administrator

    ManTech (Laurel, MD)
    **Mantech** seeks a motivated, career and customer-oriented **Linux** ** System Administrator ** to join our team in **Laurel, MD.** You will be part of a ... + Experience with NetAPP **Clearance Requirements:** + Must have a current/active Top Secret /SCI with Polygraph **Physical Requirements:** + The person in… more
    ManTech (11/21/25)
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  • Sr. System Administrator II (Temp)

    RTX Corporation (Annapolis Junction, MD)
    …a safer, more secure world. Raytheon currently has an opening for a temporary System Administrator to perform onsite in our Annapolis Junction, Maryland office. ... eligible for a security clearance​ **Security Clearance:** DoD Clearance: TS /SCI At Raytheon, the foundation of everything we do...will also be required. We're looking for an experienced Systems Administrator to join our team supporting… more
    RTX Corporation (11/19/25)
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  • Senior Windows Systems Administrator

    Black Bear Technology Solutions, LLC (Adelphi, MD)
    Senior Windows Systems Administrator Clearance Required: Top Secret or Secret Clearance Locations: Adelphi, MD Position Overview: The Senior Windows ... Systems Administrator leads complex system ...operations. + Resolve complex technical issues and provide Tier 3 support as necessary. + Implement and enforce ARL… more
    Black Bear Technology Solutions, LLC (11/21/25)
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  • Linux Systems Administrator

    CACI International (Fort Meade, MD)
    …of professionals being assembled by CACI, Inc! We have an opening for a **Linux Systems Administrator ** with an active TS /SCI w/Polygraph clearance. If you ... Linux Systems Administrator Job Category: Information Technology...a degree). * CWIP IAT Level 2 or Level 3 . **Requirements:** * TS /SCI with polygraph *… more
    CACI International (10/29/25)
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  • Senior High Performance Computing (HPC)…

    BAE Systems (Annapolis Junction, MD)
    …position level and/or job specifics. **Senior High Performance Computing (HPC) Systems Administrator ** **115702BR** EEO Career Site Equal Opportunity Employer. ... **Job Description** At BAE Systems , we promote a strong, collaborative culture and...management, enterprise-leve, multi-site design and architecture + Support Tier 3 Infrastructure services such as: DNS, NIS, Active Directory,… more
    BAE Systems (09/09/25)
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  • Linux Systems Administrator

    CACI International (Linthicum, MD)
    …None * * * **Exciting Opportunity: Join Our Team as a Linux System Administrator !** Are you passionate about Linux systems and eager to make a significant ... Linux Systems Administrator Job Category: Information Technology...NSA TS /SCI with Polygraph. + **Proven Experience:** 3 years of hands-on Linux system administration… more
    CACI International (10/18/25)
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