• Senior Specialist, Network Systems Engineer

    L3Harris (Greenville, TX)
    …Arista Certified Professional (ACE-P) + Palo Alto Networks Certified Network Security Administrator (PCNSA) + Current Top Secret security clearance + ... in the interest of national security. Job Title: Senior, Network Systems Engineering Job Code: 31328 Job Location: Greenville,...+ US Citizenship required. + Ability to obtain/maintain a Top Secret /SCI Security Clearance + Bachelor's Degree… more
    L3Harris (12/03/25)
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  • LINUX Systems Administrator - Active…

    General Dynamics Information Technology (Washington, DC)
    …years of related experience **US Citizenship Required:** Yes **Job Description:** **Linux Systems Administrator ** **- Active Top Secret Required** Seize your ... **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 (12/05/25)
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  • G2 Senior Systems Administrator | Active…

    General Dynamics Information Technology (Fairfax, VA)
    …**Type of Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret **Public Trust/Other Required:** None **Job Family:** IT Infrastructure ... + STIG compliance. **WHAT YOU'LL NEED TO SUCCEED:** + **Security Clearance Level:** Active Top Secret clearance. (A Secret with a completed T5 Investigation… more
    General Dynamics Information Technology (12/08/25)
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  • Systems Administrator Level 2/3…

    Northrop Grumman (Oak Harbor, WA)
    RELOCATION ASSISTANCE: Relocation assistance may be available CLEARANCE TYPE: Top Secret TRAVEL: Yes, 25% of the Time **Description** At Northrop Grumman, our ... Northrop Grumman Aeronautical Systems is seeking a well-qualified Systems Administrator to join its dynamic team of technical professionals...a completed degree. + Must have an active DoD Top Secret clearance or higher (with a… more
    Northrop Grumman (12/17/25)
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  • Systems Administrator / Top

    Lockheed Martin (Arlington, VA)
    …that requires special access\. The selected candidate must possess an active Top Secret clearance to start\. \#lmatl **Basic Qualifications:** \* In\-depth ... **Description:** You will be the Systems Administrator for the Advanced Concepts Lab \(ACL\) -...Strong oral and written communication skills \* Current final Top Secret clearance and ability to obtain… more
    Lockheed Martin (10/22/25)
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  • NCIS Systems 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 ... in ServiceNow. **WHAT YOU'LL NEED TO SUCCEED** + **Security Clearance Level:** Active Top Secret clearance (Must be TS/SCI eligible) + **Required Experience:** +… more
    General Dynamics Information Technology (11/04/25)
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  • Top Secret Linux System…

    Insight Global (Colorado Springs, CO)
    …A company in the Colorado Springs, CO areas is looking for a qualified Linux System Administrator with a Top Secret clearance to join their team supporting a ... Workforce Privacy Policy: https://insightglobal.com/workforce-privacy-policy/. Skills and Requirements * Active Top Secret w SCI eligibility required to start… more
    Insight Global (12/18/25)
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  • Cloud Administrator ( Top

    Tetrad Digital Integrity LLC (Ashburn, VA)
    …years of experience and cyber certifications may be considered in lieu of degree. + Top Secret clearance with SCI eligibility + 5-7 years' experience in a Cloud ... this digital age. We are looking for a Cloud Administrator to join our team in Ashburn, VA to...Federal agency in protection of our various borders. A top - secret clearance with SCI eligibility will be… more
    Tetrad Digital Integrity LLC (11/09/25)
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  • Principal Windows Systems Administrator

    Northrop Grumman (Gilbert, AZ)
    RELOCATION ASSISTANCE: No relocation assistance available CLEARANCE TYPE: Top Secret TRAVEL: Yes, 10% of the Time **Description** At Northrop Grumman, our ... mission, we will support you by expanding your personal network and developing skills, whether you are new to...and permissions + Candidates must have a current DOD ** Top Secret ** level security clearance (at a… more
    Northrop Grumman (12/12/25)
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  • Principal Network Administrator

    Northrop Grumman (Boulder, CO)
    …You!** The Northrop Grumman Classified Solutions team is seeking an experienced ** Network Administrator ** to join its dynamic team of technical professionals. ... our facility/campus. This is not a virtual position._ The Network Administrator maintains smooth operation of LAN/WAN/VPNs....management of small teams, would be helpful + Active Top Secret or SCI access would be… more
    Northrop Grumman (11/21/25)
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  • Staff Linux/Windows Systems Administrator

    Lockheed Martin (King Of Prussia, PA)
    …with new network setup/modernization * Must currently have an active Top Secret Clearance **Desired Skills:** * Windows and Linux OS patching/security ... 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 (12/10/25)
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  • IT Systems Administrator / Top

    Lockheed Martin (Las Vegas, NV)
    …across multiple platforms including RHEL, Windows Server, and Windows 10\. Active Top Secret Security Clearance and US Citizenship Required for this ... of the IT support team; managing a closed development network , ensuring patching, STIGing, and infrastructure deployments for their...facility\. **Basic Qualifications:** * Must hold an active DoD Top Secret \(U\.S\. Citizen\) * Must have… more
    Lockheed Martin (10/18/25)
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  • Network Administrator , Sr…

    Lockheed Martin (Palmdale, CA)
    …communicating requirements\. \- Active Secret Clearance \(with ability to obtain Top Secret Clearance\) \- US Citizenship **Desired Skills:** \- General ... **Description:** This position is to join the Classified Network Operations Team Supporting LM Aeronautics in Palmdale,...must be a US Citizen for consideration\. **Clearance Level:** Top Secret **Other Important Information You Should… more
    Lockheed Martin (11/26/25)
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  • Senior Network Administrator (Active…

    TEKsystems (Huntsville, AL)
    …protocol, Bgp, ospf, routing, routing and switching, TACLANE, Data center, Infrastructure, Network engineering, Vpn, Network architecture Top Skills Details ... Description Advanced knowledge and appreciable latitude in decision-making, provide network infrastructure services at a contractor-provided NOSC. Support network more
    TEKsystems (12/12/25)
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  • Sr Principal Linux Systems Administrator

    Northrop Grumman (Boulder, CO)
    …environment + Experience with Certification & Accreditation process and STIGs + Active Top Secret is preferred We offer flexible work arrangements, phenomenal ... RELOCATION ASSISTANCE: No relocation assistance available CLEARANCE TYPE: Secret TRAVEL: Yes, 10% of the Time **Description**...mission, we will support yours by expanding your personal network and developing skills, whether you are new to… more
    Northrop Grumman (12/12/25)
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  • Linux Systems Administrator / Secret

    Lockheed Martin (Huntsville, AL)
    … Clearance to start, with the ability and willingness to obtain and maintain DOD Top Secret clearance, with the ability to maintain that clearance throughout the ... and peripherals * VMware experience \(VSphere vCenter, ESXi, KVM\) * Active Top Secret Clearance **Security Clearance Statement:** This position requires a… more
    Lockheed Martin (11/20/25)
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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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  • Senior Network Engineer - Top

    Cambridge International Systems Inc (Charleston, SC)
    Senior Network Engineer - Top Secret Clearance | Charleston, SC Cambridge International Systems, Inc. Join a dynamic global team united by shared values: ... defense and security. We are currently seeking a Senior Network Engineer to support operations in Charleston, SC. This...is a full-time CONUS position requiring an active DoD Top Secret clearance. This position may be… more
    Cambridge International Systems Inc (12/18/25)
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  • WTRS - Network Administrator

    General Dynamics Information Technology (Fort Carson, CO)
    …**Type of Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret /SCI **Public Trust/Other Required:** None **Job Family:** IT ... all work orders and Government Furnished Equipment (GFE) property control + Security Clearance: Top Secret required to start, must be eligible to obtain TS/SCI.… more
    General Dynamics Information Technology (11/25/25)
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  • Network Administrator , Senior…

    RTX Corporation (Tucson, AZ)
    …as only US citizens are eligible for a security clearance​ **Security Clearance:** Secret - Current ** Network Administrator , Senior Analyst (P2)** **Senior ... secure world. Join this high impact team as a Network Administrator (P2) to ensure the smooth...compliance, and network refreshes + Current DoD Top Secret level security clearance **What We… more
    RTX Corporation (12/05/25)
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