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Keywords: Senior Systems Administrator (Active Top Secret Clearance), Location: USA

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Senior System Administrator MC2

Management. Required Skills: Clearance Required: Secret Ability to obtain a Top Secret is required Minimum 5-7 years...SMX is seeking a skilled Senior-level MC2 System Administrator to support 24x7 operations within the Patuxent River...

Company: SMX Group
Location: Patuxent River, MD
Posted Date: 11 Oct 2025

Windows System Administrator (Senior-Level)

a Windows System Administrator (Senior-Level) to join our team at Durham, NC. Must be a US Citizen Must have an active DoD Top... Secret Clearance Non-remote (relocation incentive available) Our Windows System Administrator (Senior-Level...

Location: Durham, NC
Posted Date: 10 Oct 2025

Windows System Administrator (Senior-Level)

Top Secret Clearance Non-remote (relocation incentive available) The Windows System Administrator (Senior-Level... employee for this job. Qualifications Must be a US Citizen. Must have an active DoD Top Secret Clearance MS or BA/BS...

Location: Adelphi, MD
Posted Date: 10 Oct 2025
Salary: $82000 - 138000 per year

Linux System Administrator (Senior-Level)

Must have an active DoD Top Secret Clearance. Non-remote (relocation incentive available) Our Linux System Administrator (Senior-Level... for this job. Qualifications Must be a US Citizen. Must have an active DoD Top Secret Clearance. Must have an MS or BA/BS in computer sciences...

Posted Date: 10 Oct 2025
Salary: $68000 - 108000 per year

MAC System Administrator (Senior-Level)

Must have an active DoD Top Secret Clearance. Non-remote (relocation incentive available) Our MAC System Administrator.... Must have an active DoD Top Secret Clearance. Ten (10+) years of relevant experience working in an IT or Service Desk environment or MS...

Posted Date: 10 Oct 2025
Salary: $64000 - 108000 per year

Windows System Administrator (Senior-Level)

Must have an active DoD Top Secret Clearance Non-remote (relocation incentive available) The Windows System Administrator.... Must have an active DoD Top Secret Clearance Ten (10+) years of relevant experience or a BA/BS Degree with two (2+) years of experience...

Location: New Mexico
Posted Date: 10 Oct 2025

Senior Linux Systems Administrator - 10k Sign on Bonus

Description Leidos has a new and exciting opportunity for a Senior Linux Systems Administrator in our National...: Must have an active Top Secret/SCI with Polygraph cssrc conmd Come break things (in a good way). Then build them smarter. We're...

Company: Leidos
Posted Date: 09 Oct 2025
Salary: $112450 - 203275 per year

Senior Linux Systems Administrator - 10k Sign on Bonus

Leidos has a new and exciting opportunity for a Senior Linux Systems Administrator in our National Security Sector...: Must have an active Top Secret/SCI with Polygraph cssrc conmd Come break things (in a good way). Then build them smarter. We're...

Company: Leidos
Posted Date: 09 Oct 2025

Senior Linux Systems Administrator - 10k Sign on Bonus

Leidos has a new and exciting opportunity for a Senior Linux Systems Administrator in our National Security Sector...: Must have an active Top Secret/SCI with Polygraph cssrc conmd Come break things (in a good way). Then build them smarter. We're...

Company: Leidos
Location: Aurora, CO
Posted Date: 09 Oct 2025

Systems Administrator Senior (VDI) – TS/SCI required

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

Company: General Dynamics
Location: Savannah, GA
Posted Date: 08 Oct 2025
Salary: $106250 - 143750 per year

Senior Systems Security Administrator

in a comprehensible manner to all levels of management and staff. Have an active Top Secret security clearance. If selected... looking for someone like you to apply and join our team at APL! We are seeking a Senior Systems Security Administrator (SSA) to be part of APL 's Classified IT Services...

Posted Date: 05 Oct 2025
Salary: $100000 - 227500 per year

Senior Network and Computer Systems Administrator

U.S. citizenship and an active SECRET Government Security Clearance with the ability to obtain a TOP SECRET. Must have at least 5...Responsibilities Peraton is seeking a Senior Network and Computer Systems Administrator to join our team of qualified...

Company: Peraton
Location: Sterling, VA
Posted Date: 03 Oct 2025
Salary: $112000 - 179000 per year

Senior Systems Administrator

Requirements: Must be a U.S. Citizen and possess a current/active Top Secret Clearance Physical Requirements: The person... a motivated, career and customer-oriented Senior Systems Administrator to join our team in Patuxent River, MD. This is a full-time...

Company: ManTech
Location: Patuxent River, MD
Posted Date: 03 Oct 2025
Salary: $114100 - 191100 per year

Senior Systems Administrator

and training Clearance Requirements: Must be a U.S. Citizen and possess a current and active Top Secret Clearance Physical... a motivated, career and customer-oriented Senior Systems Administrator to join our team in Patuxent River, MD. This is a full-time...

Company: ManTech
Location: Patuxent River, MD
Posted Date: 03 Oct 2025

Senior System Domain Administrator

. Active and current Secret security clearance with ability to obtain Top Secret/SCI clearance. These are the preferred...As a Senior System Domain Administrator, you will support efforts to redesign the AD structure to facilitate an agency...

Company: Leidos
Location: Fort Belvoir, VA
Posted Date: 03 Oct 2025

Senior Systems Administrator - TS/SCI w. Polygraph

Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret/SCI Clearance Level Must Be Able... Experience: 8 + years of related experience US Citizenship Required: Yes Job Description: Senior Systems Administrator...

Company: General Dynamics
Location: Reston, VA
Posted Date: 02 Oct 2025

Senior Systems Administrator (RELOCATION BONUS PROVIDED)

about details. This position requires an active/current Top Secret/SCI Security Clearance (A U.S. Security Clearance that has been active in the... a difference in the world. What We’re Looking For: The Senior Systems Administrator will partner with our Network...

Posted Date: 01 Oct 2025

Senior Linux Systems Administrator - 10k Sign on Bonus

Leidos has a new and exciting opportunity for a Senior Linux Systems Administrator in our National Security Sector...: Must have an active Top Secret/SCI with Polygraph cssrc conmd If you're looking for comfort, keep scrolling. At Leidos, we outthink...

Company: Leidos
Location: Columbia, MD
Posted Date: 26 Sep 2025

Senior IT System Administrator

with an active Top Secret/SCI Clearance and have a Security + CE and Red Hat Certified System Administrator (RHCSA) certificate... and maintain a valid Top Secret/SCI Security Clearance. The candidate will be involved with product sustainment, product...

Company: ECS
Location: Warner Robins, GA
Posted Date: 26 Sep 2025

System Administrator, Senior

System Administrator, Senior Full-Time, APG, MD Top Secret/SCI Clearance Job Description: Responsibilities... The SA will provide functional and empirical analysis of all software systems. The SA's full time duty location...

Posted Date: 25 Sep 2025