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Keywords: Tier 2 / Systems Administrator - Active Top Secret required, Location: USA

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System Administrator (RHEL) – Level 3 or 4

in the basic qualifications detailed below as well as the interview assessment. Requires an active/current Top-Secret (TS... and provide Tier 1/2 troubleshooting and support in OpenStack environment. Support integration of DevOps software such as Jira...

Posted Date: 06 Feb 2026
Salary: $94200 - 141200 per year

SYSTEMS ADMINISTRATOR (TS/SCI CLEARANCE REQUIRED)

, VA. This is a direct-hire role with our client, a fast-growing Federal Integrator. An active Top-Secret Clearance is required, will sponsor...NorthHill Technology Resources has a need for a Systems Administrator to support a Federal Program in Springfield...

Posted Date: 06 Feb 2026
Salary: $135000 per year

Senior Systems Administrator

, and network/communications technicians. Qualifications: Required: Active Top Secret/SCI. Bachelor’s degree in a related...Job Title: Senior Systems Administrator Job Category: Information Technology Time Type: Full time Minimum...

Location: Hampton, VA
Posted Date: 06 Feb 2026
Salary: $75200 - 158100 per year

System Administrator

An active U.S. Top Secret Security Clearance Qualified candidates should APPLY NOW for immediate consideration...A client of Innova Solutions is immediately hiring for a System Administrator Position type: Full Time, Contract...

Company: Innova Solutions
Location: El Segundo, CA
Posted Date: 05 Feb 2026
Salary: $55 - 61 per hour

Systems Administrator Senior – 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: Shafter, CA
Posted Date: 01 Feb 2026
Salary: $91800 - 124200 per year

Senior Systems Administrator

Tier 2/3 technical support, diagnosing and resolving system/network issues efficiently. Performance Optimization: Monitor... scripting and automation. CompTIA Security +, equivalent or higher Active DOD Secret (SSBI) clearance Preferred...

Company: NTT Data
Location: Newport News, VA
Posted Date: 29 Jan 2026

Storage Support System Administrator II and III

Differentiation System Administrator II (Mid-Level) Focus: Independent operations, Tier 2 ownership, and advanced troubleshooting... Independently administers enterprise and HPC storage systems Provides Tier 1 and Tier 2 support, including advanced troubleshooting...

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

System Administrator Level II and III

with accessing and using IT systems Provide Tier 1 and Tier 2 support based on experience level Escalate issues appropriately... System Administrator II (Mid-Level) Focus: Independent operations, Tier 2 ownership, and advanced troubleshooting...

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

Linux Systems Administrator

Requirements: Must be a US Citizen Must have a current active Top Secret/SCI with Polygraph Physical Requirements: The... architectures to develop system requirements Provide Tier 1(Help Desk) and Tier 2/3 (Escalation) problem identification, diagnosis...

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

Desktop Services System Administrator (Level I and II)

with accessing and using IT systems Provide Tier 1 and Tier 2 support based on experience level Escalate issues appropriately... System Administrator II (Mid-Level) Focus: Independent operations, Tier 2 ownership, and advanced troubleshooting...

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

Storage Support System Administrator Level II and III

Differentiation System Administrator II (Mid-Level) Focus: Independent operations, Tier 2 ownership, and advanced troubleshooting... Independently administers enterprise and HPC storage systems Provides Tier 1 and Tier 2 support, including advanced troubleshooting...

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

System Administrator Level II and III

: Independent operations, Tier 2 ownership, and advanced troubleshooting Independently administers Linux, Unix, and Windows systems..., and incident response Support client/server, storage, and network devices Provide Tier 1 and Tier 2 support based on experience...

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

System Administrator Level I-III

refresh initiatives Perform standard maintenance tasks under guidance System Administrator II (Mid-Level) Provide Tier 2... 1, Tier 2, and Tier 3 support based on experience level Escalate issues appropriately and communicate status...

Company: TAP Engineering
Location: Fort Meade, MD
Posted Date: 24 Jan 2026

Senior Systems Administrator

Tier 2/3 technical support, diagnosing and resolving system/network issues efficiently. Performance Optimization: Monitor... scripting and automation. CompTIA Security +, equivalent or higher Active DOD Secret (SSBI) clearance Preferred...

Company: NTT Data
Location: Newport News, VA
Posted Date: 17 Jan 2026

Senior Systems Administrator

Tier 2/3 technical support, diagnosing and resolving system/network issues efficiently. Performance Optimization: Monitor... scripting and automation. CompTIA Security +, equivalent or higher Active DOD Secret (SSBI) clearance Preferred...

Company: NTT Data
Location: Newport News, VA
Posted Date: 16 Jan 2026

Linux System Administrator

a currently active Top Secret with SCI US Security Clearance (TS/SCI), or have completed a Tier 5 (T5), formerly known as a Single... requires an active Top Secret U.S. Security Clearance (U.S. Citizenship Required). (A U.S. Security Clearance that has been...

Company: Boeing
Location: Seal Beach, CA
Posted Date: 14 Jan 2026
Salary: $79050 - 106950 per year

IT Systems Administrator - Millennium Space Systems

Server, and Red Hat This position requires an active Top-Secret Security Clearance for which the U.S. Government requires... Clearance This position requires an active U.S. Top Secret Security Clearance (U.S. Citizenship Required). (A U.S. Security...

Company: Boeing
Location: El Segundo, CA
Posted Date: 14 Jan 2026
Salary: $116450 - 171250 per year

System Administrator, Staff

Clearance Requirement: An active Top Secret SCI security clearance is required for this position.​ This position is part.... Required Skills: Provides Tier 1 (Service Desk) and Tier 2 (Escalation) problem identification, diagnosis and resolution of problems...

Company: Parsons
Location: Chantilly, VA
Posted Date: 08 Jan 2026
Salary: $86700 - 151700 per year

Systems Administrator

Job ID: TAP00136 Position: System Administrator Level 2 Location: US – MD, Ft. Meade Category: Information... Technology / Systems Administration Clearance Requirement: Active TS/SCI with Full Scope Polygraph Education Requirement: BS...

Company: TAP Engineering
Location: Fort Meade, MD
Posted Date: 26 Nov 2025

Mid - Systems Administrator

: Must Have: MUST HAVE a Current and Active Top Secret SCI with Polygraph, as the customer is NOT sponsoring clearances. Bachelor's Degree and 5.../network devices, mobile devices, etc. Providing Tier 2 and Tier 3 problem identification, diagnosis, and resolution...

Company: Crimson Phoenix
Location: Springfield, VA
Posted Date: 12 Feb 2026