• Senior Linux/Unix Administrator

    S4 Inc. (Omaha, NE)
    …Full Time | Comprehensive and competitive benefits Job Title: Senior Linux/Unix Administrator Work Location: USSTRATCOM Offutt AFB Clearance : TS/SCI Education: ... Occasional Salary: Commensurate with experience Job Listing Number: NE25002 LCAT: Senior Network and Computer Systems Administrator Overview: S4 is seeking an… more
    S4 Inc. (10/08/25)
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  • Senior Linux/Unix Systems Administrator

    SMX (Dahlgren, VA)
    clearance with ability to obtain and maintain Top Secret clearance + Networking protocols + Network security tools such as firewalls + Vulnerability ... Senior Linux/Unix Systems Administrator (4411)at SMX(View all jobs) (https://www.smxtech.com/careers/) Dahlgren, VA...Troubleshooting + Resource allocation **Required Skills & Experience** + Clearance Required: Secret + Must be able… more
    SMX (12/04/25)
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  • Principal Windows Systems Administrator

    Northrop Grumman (Linthicum Heights, MD)
    …Qualifications:** + Bachelor's or Master's degree in IS related field. + Top Secret Clearance . + Experience operating under and managing systems within NISPOM ... RELOCATION ASSISTANCE: No relocation assistance available CLEARANCE TYPE: Secret TRAVEL: Yes, 10%...mission, we will support yours of expanding your personal network and developing skills, whether you are new to… more
    Northrop Grumman (11/13/25)
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  • Network and Systems Administrator

    Sierra Nevada Company, LLC (Southern Pines, NC)
    …until graduation after end of internship + The ability to obtain and maintain a Secret US Security Clearance is required + Strong skills in Word, Excel, ... NOTICE:** This position requires the ability to obtain and maintain a Secret US Security Clearance . US Citizenship status is required as this position needs an… more
    Sierra Nevada Company, LLC (09/17/25)
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  • Senior Systems Administrator

    ISYS Technologies (Colorado Springs, CO)
    …in Colorado Springs, CO .This position will be on-site and will require an active Secret clearance , Top Secret preferred. + Analyze, maintain, and optimize ... to the use of computing resources + Setting up administrator and service accounts + Maintaining system documentation +...is required and must be only citizenship held Active Secret clearance ; ability to obtain TS/SCI Dual… more
    ISYS Technologies (12/09/25)
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  • System Administrator

    Leidos (Beavercreek, OH)
    …office. ** Clearance :** You must be a US .Citizen with a current DoD Secret clearance and eligibility to be cleared for Special Access Programs (SAP) **What ... Must be a **U.S. Citizen** with a current **Active Secret security clearance ** to be considered along...System Administrator (RHCSA) certification. + Cisco Certified Network Administrator (CCNA) certification. + Experience working… more
    Leidos (12/05/25)
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  • Linux Systems Administrator

    UIC Government Services and the Bowhead Family of Companies (Dahlgren, VA)
    …SECURITY CLEARANCE REQUIREMENTS: Must be able to obtain and maintain a security clearance at the Top Secret level. US Citizenship is a requirement for this ... **Overview** LINUX SYSTEMS ADMINISTRATOR (RDTE) Bowhead seeks a Linux Systems ...potentially clustered systems operating in both unclassified and classified network environments. + Analysis, design, and implementation of modifications… more
    UIC Government Services and the Bowhead Family of Companies (12/04/25)
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  • Senior Systems Administrator

    Exeter Government Services, LLC (Miami, FL)
    SCITES - Senior System Administrator Location: Doral, FL Required Clearance : TS or Secret w/SSBI (Tier 5 Investigation) Certifications: DoDM 8570 IAT Level ... and one of the following: MCSA Server 2016, Azure Administrator AZ-104 , or Red Hat Certified System ...awarded 6.5 year contract supporting server management for the Network Operations and Security Center (NOSC) . Successful candidates… more
    Exeter Government Services, LLC (11/30/25)
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  • Cisco Call Manager Administrator

    CACI International (Chantilly, VA)
    …certifications (eg, CCNP Collaboration, CCIE Collaboration) are preferred. + Ability to obtain/maintain Secret Clearance - ** ** **What You Can Expect:** **A ... Cisco Call Manager Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: Secret Employee Type: Regular… more
    CACI International (09/27/25)
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  • System Administrator

    Parsons Corporation (Colorado Springs, CO)
    …(WANs), network segments, intranets, and other data communication systems. The Network / System Administrator will help architect, design and analyze ... team is looking for a **SysOps Engineer (** **System Administrator ).** In this role you will organize, install, and...university with minimum 8 years of experience + Top Secret (TS) security clearance with eligibility for… more
    Parsons Corporation (11/14/25)
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