Find your dream job now!

Click on Location links to filter by Job Title & Location.
Click on Company links to filter by Company & Location.
For exact match, enclose search terms in "double quotes".

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

Page: 4

IT Systems Administrator

experience; Master's degree preferred. Required Security Clearance: Must have an Active Top-Secret Clearance with SCI Eligibility...System Installation, Configuration, and Maintenance: Install, configure, and maintain operating systems, hardware...

Posted Date: 28 Jan 2026

Systems Administrator - TS SCI eligible

Must have an active U.S. government Top Secret security clearance and be SCI eligible. Additional eligibility requirements for access... Requirement: An active Top Secret security clearance is required for this position.​ This position is part of our Corporate team...

Company: Parsons
Location: USA
Posted Date: 28 Jan 2026
Salary: $86700 - 151700 per year

IT Systems Administrator

experience; Master's degree preferred. Required Security Clearance: Must have an Active Top-Secret Clearance with SCI Eligibility...System Installation, Configuration, and Maintenance: Install, configure, and maintain operating systems, hardware...

Posted Date: 28 Jan 2026

Systems Administrator - Journeyman

Administrators experience. Active Secret Clearance (Active Top-Secret clearance with SCI and SAP eligibility desired). Special Access... with the necessary skills to support AFLCMC/C3B by independently executing IT/Systems Administrator tasks in a classified work...

Posted Date: 28 Jan 2026

Net/Sys Admin II - Network/System Administrator

(i.e. CASP, CISSP, etc). Security Clearance Requirements: Top Secret Clearance with SCI Eligibility Eligibility for access.... At Watermark, our people come first! Network/Systems Administrator II The primary function will be to organize, install...

Posted Date: 28 Jan 2026

Principal Linux Systems Administrator

. Applicants must have an active DoD Secret level security clearance (at a minimum), to include a closed investigation... or current DoD Top Secret security clearance. Current Security+ CE, CISSP, CASP, or similar DoD 8570 or 8140 compliant security...

Posted Date: 27 Jan 2026
Salary: $103600 - 155400 per year

Systems Administrator/Principal Systems Administrator

is required Candidate must have active/current Top Secret/SCI clearance with adjudicated Full Scope Polygraph at time of application..., but not be limited to, the following: Perform as a Linux and Windows System Administrator on large government contracts. Perform...

Company: Northrop Grumman
Location: USA
Posted Date: 27 Jan 2026
Salary: $91800 - 137600 per year

Sr Principal Windows Systems Administrator - Polygraph

but not be limited to the following: Perform as a Windows System Administrator for a classified government contract. Able..., Policies, and permissions Candidates must have a current DOD Top Secret/SCI level security clearance, to include a recently...

Company: Northrop Grumman
Location: Linthicum, MD
Posted Date: 27 Jan 2026
Salary: $123400 - 185000 per year

Storage Support System Administrator II and III

Storage Support System Administrator II / III Job ID: TAP00153 Position: System Administrator II /III Location... Differentiation System Administrator II (Mid-Level) Focus: Independent operations, Tier 2 ownership, and advanced troubleshooting...

Company: TAP Engineering
Location: Utah
Posted Date: 25 Jan 2026

System Administrator Level I-III

System Administrator III: 10+ years with a degree or 15+ years without a degree Required Qualifications Active TS...System Administrator I / II / III Job ID: TAP00151 Position: System Administrator Location: Fort Meade, MD...

Company: TAP Engineering
Location: Fort Meade, MD
Posted Date: 25 Jan 2026

System Administrator Level II and III

System Administrator II / III Job ID: TAP00148 Position: System Admin II / III Location: Bluffdale, UT Category..., change management, and operational procedures Level Differentiation System Administrator II (Mid-Level) Focus...

Company: TAP Engineering
Location: Utah
Posted Date: 25 Jan 2026

TPAM Systems Administrator - TS/SCI w/Poly

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

Posted Date: 25 Jan 2026
Salary: $34.17 - 46.23 per hour

Linux Systems Administrator

Requirements: Must be a US Citizen Must have a current active Top Secret/SCI with Polygraph Physical Requirements: The... a motivated, career and customer-oriented Linux System Administrator to join our team in Laurel, MD. Responsibilities...

Company: ManTech
Location: Laurel, MD
Posted Date: 25 Jan 2026

Senior Systems Administrator

Requirements: Must have a current/active Top Secret/SCI with Polygraph Physical Requirements: The person in this position... a motivated, career and customer-oriented Linux System Administrator to join our team in Laurel, MD. You will be part...

Company: ManTech
Location: Laurel, MD
Posted Date: 25 Jan 2026

Geospatial Systems Administrator

Job Title: Geospatial Systems Administrator Job Category: Information Technology Time Type: Full time Minimum...: Continental US * * The Opportunity: CACI has an outstanding opportunity for select Geospatial Systems Administrator...

Location: Fort Bragg, NC
Posted Date: 25 Jan 2026
Salary: $71500 - 150200 per year

SAP BASIS System Administrator

change at a rapid pace? Join us, where we’ll make a greater impact together. What You'll do: The SAP Basis Administrator... is responsible for the management of the SAP environment. The SAP Basis Administrator responsibilities include but not limited...

Company: Groundswell
Location: McLean, VA
Posted Date: 25 Jan 2026
Salary: $140807 - 184969 per year

Desktop Services System Administrator (Level I and II)

Desktop Services System Administrator Job ID: TAP00146 Position: System Admin Level I / II Location: Fort Meade, MD..., and operational procedures Level Differentiation System Administrator I (Entry-Level) Focus: Execution, Tier 1 support...

Company: TAP Engineering
Location: Fort Meade, MD
Posted Date: 25 Jan 2026

Senior Systems Administrator

documentation, patching, and responding to incidents to ensure mission readiness. REQUIRED QUALIFICATIONS Active Top Secret... and upgrade recommendations. Increases system administrator efficiency and accuracy via the use of automated tools and scripts...

Posted Date: 25 Jan 2026
Salary: $90000 - 100000 per year

System Administrator

System Administrator Level II-III | Colorado Springs, CO | Active DoD Secret Clearance Required Support and secure... and willingness to travel up to 25% (CONUS and/or OCONUS) Preferred Qualifications Active DoD Top Secret clearance with ability...

Posted Date: 25 Jan 2026

Function Systems Administrator - Senior

/AS/Technical school) 10 plus years of experience. High school diploma/GED plus 16 plus years of experience. Active DoD Secret... Level Security Clearance with the ability to obtain a Top Secret. Ability to obtain additional local security accesses...

Company: DCS Corp
Location: USA
Posted Date: 24 Jan 2026