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: Systems Administrator - TS/SCI with Poly, Location: Linthicum Heights, MD

Page: 1

Systems Administrator - TS/SCI with Poly

Systems Administrator / Engineer Location: Annapolis Junction, MD Clearance Required: TS/SCI with Polygraph... Overview: Our client is seeking a highly experienced Systems Administrator / Engineer to support and manage a secure IT...

Company: Staffed4U
Posted Date: 28 Nov 2025
Salary: $140000 - 190000 per year

Systems Administrator w/Poly

). * Clearance: TS/SCI w/Poly DoD 8570 compliance with IAT Level I or higher (if applicable). * In-depth understanding of RedHat...Job Description: Overview BigBear.ai is seeking a System Administrator to support mission critical application...

Company: BigBear.ai
Location: Hanover, MD
Posted Date: 19 Dec 2025

Systems Administrator w/Poly

). * Clearance: TS/SCI w/Poly DoD 8570 compliance with IAT Level I or higher (if applicable). * In-depth understanding of RedHat...Overview: BigBear.ai is seeking a System Administrator to support mission critical application and systems in support...

Company: BigBear.ai
Location: Hanover, MD
Posted Date: 19 Dec 2025

Systems Administrator w/Poly

Overview: BigBear.ai (BBAI) is seeking a Systems Administrator to join our team in Hanover, MD. In this role.... Produce and/or contribute to IT knowledge articles. What you need to have: Clearance: TS/SCI with Polygraph...

Company: BigBear.ai
Location: Hanover, MD
Posted Date: 30 Jan 2026

Systems Administrator w/Poly

Job Description: Overview BigBear.ai (BBAI) is seeking a Systems Administrator to join our team in Hanover, MD.... Produce and/or contribute to IT knowledge articles. What you need to have Clearance: TS/SCI with Polygraph...

Company: BigBear.ai
Location: Hanover, MD
Posted Date: 29 Jan 2026

System Administrator Sr Stf - Clearance Required

LMCareers Business Unit RMS Security Clearance TS/SCI w/Poly SP Shift First Direct/Indirect Direct... Candidate must maintain a IAT level II certification, per DoD Directive 8570.01-M. Possess & Maintain a TS//SCI clearance...

Company: Lockheed Martin
Location: Hanover, MD
Posted Date: 24 Jan 2026

Systems Administrator

, switches -Cisco IOS Security Clearance Requirements: Must have a current/active TS/SCI w/Poly Physical Requirements...! MANTECH seeks a motivated, career and customer-oriented Systems Administrator to join our team in Hanover, MD. Occasional...

Company: ManTech
Location: Hanover, MD
Posted Date: 23 Jan 2026
Salary: $107900 - 179400 per year

IT Systems Administrator Emergency Essential Shift work

LMCareers Business Unit RMS Security Clearance TS/SCI w/Poly SP Shift Multiple shifts available Direct... Current DoD Top Secret SCI with Polygraph is required 2+ years experience within the defense industry as a Systems...

Company: Lockheed Martin
Location: Hanover, MD
Posted Date: 08 Jan 2026
Salary: $93800 - 162610 per year

System Administrator Levels 1

intelligence community clients. Clearance: Current TS/SCI Poly Required JOB FUNCTIONS AND RESPONSIBILITIES: Provides support...Are you interested in tackling some of the nation's most critical challenges in systems security and vulnerability...

Company: Lentech Inc.
Location: Elkridge, MD
Posted Date: 23 Jan 2026
Salary: $128650 - 160981 per year

Modernization Accelerator: 2026 Hiring Alert for Systems Engineers

LMCareers Business Unit RMS Security Clearance TS/SCI w/Poly SP Shift First Direct/Indirect Direct... Science Systems Administrator (Linux) For a complete list that changes weekly, use this term to search via the Lockheed...

Company: Lockheed Martin
Location: Hanover, MD
Posted Date: 08 Jan 2026

Cyber Software Engineer - SIGINT Systems

LMCareers Business Unit RMS Security Clearance TS/SCI w/Poly SP Shift First Direct/Indirect Direct... Business Area Rotary and Mission Systems Department L26EJF:COE Cyber F Job Class Systems Engineering: Software...

Company: Lockheed Martin
Location: Hanover, MD
Posted Date: 08 Jan 2026