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Keywords: System Administrator - active Top Secret required, Location: USA

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G2 Directory Services Engineer / Senior Systems Administrator | Active Top Secret clearance

Level: Active Top Secret clearance. (A Secret clearance with completed T5 Investigation is acceptable...Type of Requisition: Pipeline Clearance Level Must Currently Possess: Top Secret Clearance Level Must Be Able...

Company: General Dynamics
Location: USA
Posted Date: 31 Jan 2026
Salary: $111155 - 150385 per year

Systems Administrator - Active Top Secret security clearance required, SCI Eligibility

in Arlington, VA Clearance: Active Top Secret with SCI Eligibility Citizenship Required: US Citizenship GDIT IS YOUR PLACE...Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret Clearance Level Must Be Able...

Company: General Dynamics
Location: Arlington, VA
Posted Date: 22 Jan 2026
Salary: $110500 - 149500 per year

Directory Services Systems Administrator - Active Top Secret required

Type of Requisition: Pipeline Clearance Level Must Currently Possess: Top Secret Clearance Level Must Be Able... to Obtain: Top Secret/SCI Public Trust/Other Required: None Job Family: IT Infrastructure and Operations...

Company: General Dynamics
Location: USA
Posted Date: 18 Jan 2026
Salary: $103700 - 140300 per year

NCIS Systems Administrator | Shift Work | Active Top Secret clearance

for innovation to GDIT. Our Systems Administration must have: Security Clearance Level: Active Top Secret clearance...Type of Requisition: Pipeline Clearance Level Must Currently Possess: Top Secret Clearance Level Must Be Able...

Company: General Dynamics
Location: Quantico, VA
Posted Date: 17 Jan 2026
Salary: $111155 - 150385 per year

NCIS Systems Administrator | Active Top Secret clearance

in ServiceNow. WHAT YOU’LL NEED TO SUCCEED Security Clearance Level: Active Top Secret clearance (Must be TS/SCI eligible...Type of Requisition: Pipeline Clearance Level Must Currently Possess: Top Secret Clearance Level Must Be Able...

Company: General Dynamics
Location: Quantico, VA
Posted Date: 06 Jan 2026
Salary: $96569 - 130651 per year

System Administrator - active Top Secret required

Type of Requisition: Pipeline Clearance Level Must Currently Possess: Top Secret Clearance Level Must Be Able... to Obtain: Top Secret/SCI Public Trust/Other Required: None Job Family: IT Infrastructure and Operations...

Company: General Dynamics
Location: USA
Posted Date: 22 Jan 2026
Salary: $93662 - 126500 per year

Tier 2 / Systems Administrator - Active Top Secret required

Type of Requisition: Pipeline Clearance Level Must Currently Possess: Top Secret Clearance Level Must Be Able... to Obtain: Top Secret/SCI Public Trust/Other Required: None Job Family: IT Infrastructure and Operations...

Company: General Dynamics
Location: USA
Posted Date: 18 Jan 2026
Salary: $93662 - 115000 per year

PKI Systems Administrator - active Top Secret required

Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret Clearance Level Must Be Able... to Obtain: Top Secret/SCI Public Trust/Other Required: None Job Family: IT Infrastructure and Operations...

Company: General Dynamics
Location: USA
Posted Date: 18 Dec 2025
Salary: $136000 - 184000 per year

PDM/PLM Application Administrator (Windchill) , Principal Specialist, Active Top Secret Clearance, Onsite Plano TX

is required, as only U.S. citizens are eligible for a security clearance​ Security Clearance: Top Secret - Current Application System Administrator... Active and transferable U.S. government issued TOP SECRET security clearance is required prior to start...

Location: Plano, TX
Posted Date: 17 Jan 2026
Salary: $82000 - 164000 per year

Electronic Surveillance System Analyst (Active Top Secret)

. Qualifications: Active Top Secret security clearance. Bachelor’s degree or equivalent specialized experience. Must have at least 5... System Analyst to join our team supporting the Electronic Surveillance Service Delivery and Service Level Agreement (SLA...

Company: Akima
Location: Fredericksburg, VA
Posted Date: 14 Jan 2026

Network System Administrator (Top Secret)

, to support a mission critical IP messaging and communications transport network. Clearance: Active Top Secret w/ SCI... vulnerability remediation using SCAP tool and STIG viewer Qualifications: Active Top Secret w/ SCI eligibility Bachelors...

Posted Date: 31 Jan 2026
Salary: $80000 - 85000 per year

Principal Windows Systems Administrator - Top Secret

Active Top Secret, SCI, Polygraph, or SAP/SAR access would be nice to have We offer flexible work arrangements, phenomenal...RELOCATION ASSISTANCE: No relocation assistance available CLEARANCE TYPE: Top Secret TRAVEL: Yes, 10% of the Time...

Company: Northrop Grumman
Location: USA
Posted Date: 27 Jan 2026
Salary: $89400 - 134200 per year

Senior Systems Administrator (Windows/Linux) - Top Secret Clearance w/SCI eligibility required

to implement, monitor, and maintain cybersecurity compliance and vulnerability mitigations. Qualifications: Active TOP SECRET... priorities. We are seeking a Senior Systems Administrator to support a Special Access Program, operating in highly secure...

Company: American Systems
Location: Arlington, VA
Posted Date: 21 Jan 2026

Senior Systems Administrator (Windows/Linux) - Top Secret Clearance w/SCI eligibility required

to implement, monitor, and maintain cybersecurity compliance and vulnerability mitigations. Qualifications Active TOP SECRET... priorities. We are seeking a Senior Systems Administrator to support a Special Access Program, operating in highly secure...

Company: American Systems
Location: Arlington, VA
Posted Date: 21 Jan 2026

Windows Systems Administrator - Top Secret

RELOCATION ASSISTANCE: Relocation assistance may be available CLEARANCE TYPE: Top Secret TRAVEL: Yes, 10% of the... must have a current DOD Top Secret level security clearance (at a minimum), to include a closed investigation date completed within the...

Company: Northrop Grumman
Location: Redondo Beach, CA
Posted Date: 07 Jan 2026
Salary: $83400 - 125200 per year

Systems Administrator – Top Secret Clearance | Norfolk, VA

Systems AdministratorTop Secret Clearance | Norfolk, VA Cambridge International Systems, Inc. Join a dynamic... a Systems Administrator to support operations in Norfolk, VA. This is a full-time, CONUS position requiring an active DoD Top...

Posted Date: 07 Jan 2026

Tier II Linux Systems Administrator (HPC) - Top Secret Clearance w/SCI eligibility

Active Top Secret clearance with SCI eligibility U.S. citizenship required Bachelor’s degree in a STEM discipline... administrator with strong system fundamentals wanting to expand your skillset into HPC environments? If so, this role...

Company: American Systems
Location: Arlington, VA
Posted Date: 02 Jan 2026
Salary: $91600 per year

Tier II Linux Systems Administrator (HPC) - Top Secret Clearance w/SCI eligibility

Active Top Secret clearance with SCI eligibility U.S. citizenship required Bachelor’s degree in a STEM discipline... administrator with strong system fundamentals wanting to expand your skillset into HPC environments? If so, this role...

Company: American Systems
Location: Arlington, VA
Posted Date: 01 Jan 2026
Salary: $91600 per year

Systems Administrator Level 2/3 (Top Secret)

in lieu of a completed degree. Must have an active DoD Top Secret clearance or higher (with a background investigation... of experience , OR 9 years of experience may be considered in lieu of a completed degree. Must have an active DoD Top Secret...

Company: Northrop Grumman
Location: Oak Harbor, WA
Posted Date: 17 Dec 2025
Salary: $73900 - 133000 per year

Linux/Windows Systems Administrator - Top Secret Clearance

, Virtualization Technologies Must currently have an active Top Secret Clearance Desired skills Windows and Linux OS patching... Administrator on the ECIW team, you will: - Work in an agile scrum environment providing support for implementation...

Posted Date: 11 Dec 2025
Salary: $77000 - 133400 per year