• Argonne National Laboratory (Lemont, IL)
    …granted by the US Department of Energy (DOE). It's functionally equivalent to a ** Top Secret clearance** , allowing access to information classified up to that ... Argonne has an opportunity to serve as the System Administrator of the classified National Security Systems (NSS) for the Security Programs Facility (SPF). Develop,… more
    DirectEmployers Association (11/22/25)
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  • Infinity Systems Engineering (Colorado Springs, CO)
    …vendor relationships for IT products and services. Qualifications: + Clearance Requirement: TS /SCI CI Poly + Education/Experience: 2 years with BS/BA; without ... MORE - now, come be more with us! Job Summary: The Systems Administrator is responsible for the maintenance, configuration, and reliable operation of computer… more
    DirectEmployers Association (12/05/25)
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  • Network Administrator 2

    M. C. Dean (Annapolis Junction, MD)
    …technical leaders in electrical, engineering, and cybersecurity industries. We are seeking a ** Network Administrator 2 ** to join our **Security and ... and documentation of complex networks. Main responsibilities include: + Support network documentation as well as establishing and maintaining User accounts, User… more
    M. C. Dean (11/26/25)
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  • Network Administrator - Site Survey…

    CACI International (Washington, DC)
    …communication (UC), Video telecommunication and Streaming services. **Responsibilities:** As a Tier 2 Network Administrator , you'll be challenged with ... Network Administrator - Site Survey and... Network Administrator - Site Survey and Install Support Job...Time Type: Full time Minimum Clearance Required to Start: TS /SCI with Polygraph Employee Type: Regular Percentage of Travel… more
    CACI International (10/24/25)
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  • Network Administrator , McKinney TX…

    RTX Corporation (Mckinney, TX)
    …US citizens are eligible for a security clearance​ **Security Clearance:** Top Secret - Current ** Network Administrator Senior Analyst - P2** **Raytheon ... Digital Technology** **McKinney TX - ONSITE** **Active Top Secret Clearance required** At Raytheon, the...Data Center Management, Networking and High-Performance Computing. As a Network Administrator (Senior Analyst Level), you will… more
    RTX Corporation (12/05/25)
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  • NCIS Systems Administrator | Active…

    General Dynamics Information Technology (Quantico, VA)
    …work in ServiceNow. **WHAT YOU'LL NEED TO SUCCEED** + **Security Clearance Level:** Active Top Secret clearance (Must be TS /SCI eligible) + **Required ... **Type of Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret /SCI **Public Trust/Other Required:** None **Job Family:** IT… more
    General Dynamics Information Technology (11/04/25)
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  • Linux/Windows Systems Administrator

    Lockheed Martin (King Of Prussia, PA)
    …and WAN networking topographies, Virtualization Technologies * Must currently have an active Top Secret Clearance **Desired Skills:** * Windows and Linux OS ... customers achieve their missions\. The Work: As a Systems Administrator on the ECIW team, you will: \- Work...operations, monitoring and problem resolution for all of the client/server/storage/ network devices \- Patch and harden Linux RedHat OS… more
    Lockheed Martin (12/11/25)
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  • Sr. Principal Network Engineer - Top

    Northrop Grumman (Redondo Beach, CA)
    …Cisco hardware (routers, switches, and firewalls) **Preferred Qualifications:** + Bachelor's degree Network Engineering + Active Top Secret /SCI, Polygraph, ... RELOCATION ASSISTANCE: Relocation assistance may be available CLEARANCE TYPE: Top Secret TRAVEL: Yes, 10% of the...Classified Solutions team is seeking a highly experienced **Senior** ** Network Administrator ** to join its dynamic team… more
    Northrop Grumman (11/19/25)
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  • Mid System/ Network Administrator

    Belay Technologies (Laurel, MD)
    …be substituted for a bachelor's degree + TS /SCI with poly The Level 2 System/ Network Administrator shall possess the following capabilities: + Experience ... in 2020 and a finalist in 2021! Belay Technologies is seeking a Senior System/ Network Administrator . The Systems Administrator (SA) provides support for… more
    Belay Technologies (12/08/25)
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  • Cyber Systems Administrator (Active…

    Northrop Grumman (Elkridge, MD)
    RELOCATION ASSISTANCE: Relocation assistance may be available CLEARANCE TYPE: Top Secret TRAVEL: Yes, 10% of the Time **Description** At Northrop Grumman, our ... 2 technical support (Domain Administration, System Administration, and Network Administration). + Monitor and maintain smooth operation of...IT experience is required. + US Citizenship + Active Top Secret / SCI security clearance to… more
    Northrop Grumman (10/02/25)
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  • System Administrator Associate_TS/SCI…

    General Dynamics Information Technology (Aurora, CO)
    …RQ198811 **Type of Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret SCI + Polygraph **Public Trust/Other Required:** None **Job ... our Systems Administrator Associate are to maintain computers, voice, video, network , and server hardware equipment used to support IT services. They also… more
    General Dynamics Information Technology (10/31/25)
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  • Systems Administrator Tier I_ TS

    General Dynamics Information Technology (Las Cruces, NM)
    …RQ208325 **Type of Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret SCI + Polygraph **Public Trust/Other Required:** None **Job ... **Job Description:** Transform technology into opportunity as a Systems Administrator with GDIT. A career in enterprise IT means...Collect data for proper escalation and resolution by Tier 2 /3. + Perform network management services to… more
    General Dynamics Information Technology (10/04/25)
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  • Senior VMware Administrator | Active…

    General Dynamics Information Technology (Quantico, VA)
    …**Senior VMWare Administrator ** must have: + **Security Clearance Level:** Active Secret clearance (Must be TS /SCI eligible) + **Required Experience:** + 8+ ... **Type of Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret /SCI **Public Trust/Other Required:** None **Job Family:** IT… more
    General Dynamics Information Technology (10/08/25)
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  • NCIS SharePoint Administrator | Active…

    General Dynamics Information Technology (Quantico, VA)
    …**Type of Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret /SCI **Public Trust/Other Required:** None **Job Family:** IT ... Yes **Job Description:** Transform technology into opportunity as a **SharePoint Administrator ** at GDIT. Shape what's next for mission-critical government projects… more
    General Dynamics Information Technology (10/04/25)
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  • Systems Administrator 3- TS /SCI

    M. C. Dean (Omaha, NE)
    …including US Citizenship, for access to classified information; **Active Top - Secret /SCI Clearance required.** Responsibilities + Administer both developmental ... requirements, including US Citizenship, for access to classified information; **Active Top - Secret /SCI Clearance required.** **We offer an excellent benefits… more
    M. C. Dean (10/11/25)
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  • System Administrator - Linux - TS

    The Metamorphosis Group (Chantilly, VA)
    System Administrator - LINUX - TS /SCI FSP REQUIRED Chantilly, VA Apply Now Job Description The Metamorphosis Group, Inc, TMG, has an immediate opening for a ... OPTIONAL SKILLS 1. Demonstrated experience as a RedHat Certified System Administrator (RHCSA). 2 . Demonstrated hands-on experience with/qualifications as an… more
    The Metamorphosis Group (12/10/25)
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  • Systems Administrator II - Pipeline…

    COMSO, Inc (San Antonio, TX)
    Systems Administrator II - PIPELINE ( TS /SCI w/ POLYGRAPH) San Antonio, TX (http://maps.google.com/maps?q=San+Antonio+TX+USA+78251) Description COMSO, Inc. is a ... Alaska. We are honored to be recognized as a Top Workplace for seven years running by the Baltimore...systems enhancements to improve reliability and performance. The Level 2 Systems Administrator shall possess the following… more
    COMSO, Inc (12/02/25)
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  • Systems Administrator I - Pipeline…

    COMSO, Inc (Fort Meade, MD)
    Systems Administrator I - PIPELINE ( TS /SCI w/...Alaska. We are honored to be recognized as a Top Workplace for seven years running by the Baltimore ... Sun Media Group. **SECURITY CLEARANCE IS REQUIRED: TS /SCI w/ POLYGRAPH BEFORE CONSIDERATION** This position is contingent...OS, Cent OS/Red Hat OS CE certifications. + Two ( 2 ) years of experience with Service Management (ITSM) is… more
    COMSO, Inc (12/02/25)
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  • Splunk Systems Engineer - TS /SCI w/Poly

    General Dynamics Information Technology (Annapolis Junction, MD)
    …RQ208534 **Type of Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret SCI + Polygraph **Public Trust/Other Required:** None **Job ... (Inactive) **Certifications:** Comp TIA Security - CompTIA - CompTIA **Experience:** 2 + years of related experience **US Citizenship Required:** Yes **Job… more
    General Dynamics Information Technology (10/09/25)
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  • Software/DevOps Engineer 3/4 (Active TS

    Northrop Grumman (Aurora, CO)
    RELOCATION ASSISTANCE: Relocation assistance may be available CLEARANCE TYPE: Top Secret TRAVEL: Yes, 10% of the Time **Description** At Northrop Grumman, our ... department which has 200+ Software Engineer, DevOps Engineer, Systems Administrator , Database Administrator , and Network ...can be considered in lieu of degree. + **Active Top Secret /SCI security clearance required at time… more
    Northrop Grumman (11/12/25)
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