Refine Reset All
Sort by
Employer/Recruiter
1 – 20 of 4,680 jobs
Northrop Grumman jobs

RELOCATION ASSISTANCE: No relocation assistance available CLEARANCE REQUIRED FOR START: Yes CLEARANCE TYPE: SCI TRAVEL: Yes, 10% of the Time DescriptionAt Northrop Grumman, our employees have incredible opportunities to work on revolutionary systems that impact peoples lives

Northrop Grumman  2 days ago
L3Harris Technologies jobs

L3Harris is dedicated to recruiting and developing high-performing talent who are passionate about what they do. Our employees are unified in a shared dedication to our customers’ mission and quest for professional growth. L3Harris provides an

L3Harris Technologies  16 days ago
CACI International Inc jobs

Job Title: Infrastructure/Systems Administration Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee Type: Regular Percentage of Travel Required: Up to 25% Type of Travel: Local * * * The

CACI International Inc  29 days ago
Red Alpha jobs

A little about us: At Red Alpha, we are pioneers in shaping the digital landscape through cutting-edge cloud engineering solutions. Our dedicated Cloud Engineering Team is at the forefront of revolutionizing how businesses harness the power

Red Alpha  26 days ago
ManTech jobs

General information Requisition # R69533 Locations USA-MD-Laurel Posting Date 07/27/2026 Security Clearance Required TS/SCI w/ Poly Remote Type Onsite Time Type Full time Description & Requirements Unlock the secrets of intelligence with MANTECH! Join a dynamic

ManTech  25 days ago
ManTech jobs

General information Requisition # R69545 Locations USA-MD-Laurel Posting Date 07/28/2026 Security Clearance Required TS/SCI w/ Poly Remote Type Onsite Time Type Full time Description & Requirements Unlock the secrets of intelligence with MANTECH! Join a dynamic

ManTech  25 days ago
Automatically Get Matched to linux system administration Jobs Let our AI agent search and match you to the best jobs from across the web
Try it now
Dark Wolf Solutions jobs

Dark Wolf is looking for a Linux System Administrator who is interested in working in a fast- paced environment building and maintaining an extensive Infrastructure as a Service (IaaS), platform and hypervisor stack for a DoD customer. The

Dark Wolf Solutions  25 days ago
Northrop Grumman jobs

RELOCATION ASSISTANCE: No relocation assistance available CLEARANCE REQUIRED FOR START: Yes CLEARANCE TYPE: Polygraph TRAVEL: Yes, 10% of the Time DescriptionAt Northrop Grumman, our employees have incredible opportunities to work on revolutionary systems that impact peoples lives

Northrop Grumman  24 days ago
RTX jobs

Date Posted:2026-07-29 Country:United States of America Location:US-TX-RICHARDSON-461 ~ 3200 E Renner Rd ~ RENNER BLDG 461 Position Role Type:Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: Active and transferable U.S. government issued security clearance is

RTX  24 days ago
HII jobs

Requisition Number: 28850 Required Travel: 0 - 10% Employment Type: Full Time/Salaried/Exempt Anticipated Salary Range: $65,592.00 - $90,000.00 Security Clearance: Ability to Obtain Level of Experience: Mid HI This opportunity resides with All-Domain Operations (ADO), a

HII  24 days ago
Bridge Defense jobs

About Bridge Defense. Bridge Defense is redefining how modern defense technology is delivered. Based in Washington, D.C., we are built for the dynamic mission environment facing the Department of Defense, the Intelligence Community, and federal law

Bridge Defense  24 days ago
Innovative Defense Technologies jobs

Linux System Developer - JobID-0257 Department: Engineering Employment Type: Full Time Location: Fall River, MA Compensation: $90,000 - $150,000 / year Description About The Role: Innovative Defense Technologies (IDT), a leading defense technology company, is seeking a Linux System Developer

Innovative Defense Technologies  23 days ago
Northrop Grumman jobs

RELOCATION ASSISTANCE: No relocation assistance available CLEARANCE REQUIRED FOR START: Yes CLEARANCE TYPE: Polygraph TRAVEL: Yes, 10% of the Time DescriptionAt Northrop Grumman, our employees have incredible opportunities to work on revolutionary systems that impact peoples lives

Northrop Grumman  22 days ago
Northrop Grumman jobs

RELOCATION ASSISTANCE: Relocation assistance may be available CLEARANCE REQUIRED FOR START: Yes CLEARANCE TYPE: Top Secret TRAVEL: Yes, 10% of the Time DescriptionAt Northrop Grumman, our employees have incredible opportunities to work on revolutionary systems that impact

Northrop Grumman  22 days ago
Peraton jobs

Responsibilities Peraton is seeking a mid-Level Enterprise Applications Engineer in Chantilly, VA to support our Department of Defense (DoD) customer as part of a highly talented, motivated, and high‑performing team. In this role, you will serve

Peraton  23 days ago
Peraton jobs

Responsibilities Peraton is seeking a Linux Systems Administrator with an active TS/SAP clearance to join our team supporting mission-critical operations. The ideal candidate will manage, maintain, and enhance secure Linux-based environments while ensuring uptime and performance for essential applications.

Peraton  23 days ago
Maxar Technologies jobs

Vantor is forging the new frontier of spatial intelligence, helping decision makers and operators navigate what’s happening now and shape what’s coming next. Vantor is a place for problem solvers, changemakers, and go-getters—where people are working

Maxar Technologies  22 days ago
SkyWater Technology jobs

Bold Thinking. World Changing. At SkyWater, our ingenuity helps improve lives around the world by manufacturing U.S. made semiconductors that are essential ingredients of modern life. Automotive safety enhancements, life-saving medical devices, consumer electronics and American

SkyWater Technology  21 days ago
Information Management Group, Inc. jobs

Opportunity IMG is seeking a skilled Linux System Administrator to support our customers enterprise RedHat Linux environment. This role involves ensuring the stability, security, and performance of these systems while adhering to U.S. government risk management frameworks such as NIST

Information Management Group, Inc.  21 days ago
CTC Group jobs

Summary CTC Group has a new and exciting opportunity for Linux Systems Administrators to maintain and secure Linux-based systems, support Cisco and Palo Alto network infrastructure, automate system administration tasks using Ansible, Bash, and Python, and perform vulnerability remediation and IAVA patching

CTC Group  19 days ago

Subscribe for job alerts and resources to make your job search easier!

Confirmation email sent to

Check your email and click on the link to start receiving your job alerts

Receive the latest job openings for:

linux system administration jobs in usa

You also might be interested in:

Automation

Scripting

System Administration

Vulnerability

Transparency

Engineer

Retirement Savings

Hybrid

Cybersecurity

DevOps

Confirmation email sent to

Check your email and click on the link to start receiving your job alerts

All Filters Apply
Sort by
Employer/Recruiter