Showing page 1 of 261 (Total listings: 5218)

Linux System Administrator

MANTECH ✓ Verified
Direct Apply
Fort Meade, Meade County
Aug 5, 2026

hackajob is collaborating with MANTECH to connect them with exceptional professionals for this role. MANTECH seeks an experienced and passionate, career and customer-oriented Linux System Administrator to join our team in Ft. Meade, MD. Responsibilities include but are not limited to: Creating and managing virtual environments Systems administration of hardware and software in support of maintenance, developing and testing of information technology systems Administration of Linux (i.e., Redhat/…

Linux Systems Administrator

MANTECH ✓ Verified
Direct Apply
Fort Meade, Meade County
Sep 2, 2026

hackajob is collaborating with MANTECH to connect them with exceptional professionals for this role. MANTECH seeks an experienced and passionate, career and customer-oriented Linux Systems Administrator to join our team located in the Fort Meade, MD area. Responsibilities include, but are not limited to: Provide comprehensive administration and support for multi-platform operating system environments. Design and implement automated security hardening solutions to enhance scalability and streaml…

Linux Systems Administrator

MANTECH ✓ Verified
Direct Apply
Fort Meade, Meade County
Sep 2, 2026

hackajob is collaborating with MANTECH to connect them with exceptional professionals for this role. MANTECH seeks an experienced and passionate, career and customer-oriented Linux Systems Administrator to join our team located in the Fort Meade, MD area. Responsibilities include, but are not limited to: Provide comprehensive administration and support for multi-platform operating system environments. Design and implement automated security hardening solutions to enhance scalability and streaml…

Linux System Administrator

CACI International, Inc. ✓ Verified
Direct Apply
Washington, Washington, D.C.
Oct 6, 2026

Job Title: Linux System Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: None Employee Type: Regular Percentage of Travel Required: None Type of Travel: None * * * The Opportunity: CACI is searching for a Linux System Administrator to support the FEMA Office of the Chief Information Security Officer (OCISO) in Washington, D.C. As a Linux System Administrator, you will play a crucial role in ensuring the security and operational resilie…

Linux System Administrator

Chenega MIOS ✓ Verified
Direct Apply
Alameda, Bernalillo County
Mar 27, 2026

Linux System Administrator Albuquerque, NM Linux System Administrator Albuquerque, NM Are you ready to enhance your skills and build your career in a rapidly evolving business climate? Are you looking for a career where professional development is embedded in your employer's core culture? If so, Chenega Military, Intelligence & Operations Support (MIOS) could be the place for you! Join our team of professionals who support large-scale government operations by leveraging cutting-edge technology …

Linux System Administrator

CACI International, Inc. ✓ Verified
Direct Apply
Sterling, Loudoun County
Oct 6, 2026

Job Title: Linux System Administrator 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 10% Type of Travel: Local * * * The Opportunity: CACI's National Mission Systems (NMS) group is seeking a highly motivated Linux Systems Administrator tosupport mission-critical environments by ensuring secure, reliable, and scalable infrastructure across cloud and bare-metal systems…

Linux Systems Administrator

CACI International, Inc. ✓ Verified
Direct Apply
Chantilly, Fairfax County
Oct 6, 2026

Job Title: Linux Systems Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee Type: Regular Percentage of Travel Required: None Type of Travel: None * * * The Opportunity: CACI is seeking a Linux Systems Administrator to support a long term, multi-year, high performing program. A qualified candidate will assist in the installation, configuration and deployment of a new PeopleSoft implementation. Responsibilit…

Linux Systems Administrator

CACI International, Inc. ✓ Verified
Direct Apply
Sterling, Loudoun County
Oct 6, 2026

Job Title: Linux Systems Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: Top Secret Employee Type: Regular Percentage of Travel Required: Up to 10% Type of Travel: Continental US * * * The Opportunity: CACI is seeking a hands-on Linux Systems Administrator III to join our Infrastructure Team supporting our family of Electronic Warfare (EW) systems. Support our end-to-end Linux environment, including engineering workstations, build ser…

Linux Systems Administrator

CACI International, Inc. ✓ Verified
Direct Apply
Fort George G Meade, Anne Arundel County
Oct 6, 2026

Job Title: Linux Systems Administrator 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 10% Type of Travel: Local * * * We are seeking a highly skilled Linux Systems Administrator to support mission-critical enterprise infrastructure in a secure Department of Defense/Intelligence Community environment. The successful candidate will provide advanced systems administrati…

Linux Systems Administrator

Kforce Technology Staffing ✓ Verified
Direct Apply
Tampa Palms, Hillsborough County
Oct 5, 2026

RESPONSIBILITIES: Kforce has a client that is seeking a Linux Systems Administrator in Tampa, FL. Summary: Join a fast-paced enterprise IT team responsible for ensuring the reliability, security, and availability of critical infrastructure supporting 24/7 operations. This role focuses on systems administration, cloud technologies, identity management, virtualization, security, and enterprise services. Key Responsibilities: * Administer Active Directory, Microsoft Entra ID, IAM solutions, and Mi…

Linux Systems Administrator

CACI International, Inc. ✓ Verified
Direct Apply
Hampton Roads, Hampton City
Oct 6, 2026

Job Title: Linux Systems Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI Employee Type: Regular Percentage of Travel Required: Up to 10% Type of Travel: Continental US * * * The Opportunity: We are seeking a cleared, skilled and experienced Red Hat Enterprise Linux Administrator with expertise in Puppet configuration management to join our IT team. The ideal candidate will play a crucial role in integrating, maintaining and opt…

Linux System Administrator

Searchability Aerospace & Defense ✓ Verified
Direct Apply
US
Oct 6, 2026

LINUX SYSTEM ADMINISTRATOR - Northern Virginia We are seeking an experienced Linux System Administrator to support large-scale Linux enterprise environments operating within highly secure settings. This is an opportunity to work across both traditional infrastructure and modern cloud environments while supporting mission-critical systems and services in the intelligence community. THE BENEFITS Unbeatable benefits package competitive salary Secure long-term programs Diverse infrastructure envir…

Linux System Administrator

London Approach ✓ Verified
Direct Apply
Springfield, Fairfax County
Oct 11, 2026

Linux Systems Administrator – Active Top Secret Clearance Location: Springfield, VA – 100% Onsite Salary: Up to $160,000 Base Bonus Benefits: 401(k) Match, Profit Sharing, Comprehensive Benefits Clearance Required: Active Top Secret (TS) Employment Type: Full-Time, Direct Hire Position Overview We are seeking an experienced Linux Systems Administrator to support and maintain mission-critical infrastructure within a secure federal government environment. This position is ideal for a technically…

Linux System Administrator

RCT Systems ✓ Verified
Direct Apply
Chantilly, Fairfax County
Oct 6, 2026

This is a senior Linux/infrastructure engineering role supporting a classified mission environment. The primary focus is Linux engineering plus infrastructure operations, virtualization, security compliance, and automation . The team operates a hybrid on-prem/cloud environment with multiple data centers, commercial/Government/custom applications, and a large data lake. The engineer will provide Tier 2–4 support and participate in both day-to-day operations and larger engineering projects. Key r…

Linux Systems Administrator

Concept Solutions ✓ Verified
Direct Apply
Atlantic City, Atlantic County
Sep 29, 2026

Concept Solutions is seeking a Senior Linux Administrator to support the FAA s Infrastructure & Operations (I&O) Program in managing, securing, automating, and optimizing enterprise Linux and hybrid cloud environments across physical, virtual, and cloud-based infrastructure. This role is responsible for Linux systems administration, OS lifecycle management, automation, security compliance, patching, and infrastructure modernization in support of mission-critical FAA operations. The Senior Linux…

Linux System Administrator

SRI Tech Solutions ✓ Verified
Direct Apply
Aliso Viejo, Orange County
Oct 12, 2026

Systems Administrator (Linux & Windows Server) Aliso Viejo, CA Full Time Position Overview Take ownership of critical enterprise infrastructure by upgrading, integrating, and maintaining Linux, Windows Server, storage, and virtualization environments. This hands-on role focuses on keeping systems stable, secure, and ready for production while supporting major infrastructure initiatives. What You'll Do Deploy, configure, and maintain Linux servers (Ubuntu, CentOS, or RHEL). Execute foundational …

Direct Apply
Princeton Junction, Mercer County
Sep 2, 2026

Job ID: 2616382 Location: Princeton, NJ, US Date Posted: 2026-09-01 Category: Information Technology Subcategory: Sys Administrator Schedule: Full-Time Shift: Day Job Travel: No Minimum Clearance Required: None Clearance Level Must Be Able to Obtain: Public Trust Potential for Remote Work: ORA_ON_SITE Description SAIC is recruiting for a Senior Linux Systems Administrator to join our program as a general technologist to support our NOAA GFDL program in Princeton, NJ serving the NOAA GFDL lab in…

Senior Linux System Administrator

Booz Allen Hamilton ✓ Verified
Direct Apply
Maryland, Anne Arundel County
Sep 23, 2026

Job Number: R0234433 Linux System Administrator, Senior The Opportunity: Install systems on dedicated infrastructure, ensure the infrastructure is functional and available, and update and patch critical systems. Provide customers with insight into their network through monitoring and performance management. Identify problem areas and opportunities for improvement in a mission-critical network. Accomplish work without considerable direction. Join us. The world can't wait. You Have: 5 years of ex…

HPC Linux Systems Administrator

KPG99 INC ✓ Verified
Direct Apply
Miami, Miami-Dade County
Oct 14, 2026

Job Title: HPC Linux Systems Administrator Location: Miami, FL (Hybrid) Local Candidates only Type: Contract Must-Have Skills Strong Linux Systems Administration with HPC experience AI clusters and research computing tools Configuration management and compute-node provisioning Lustre File System and parallel storage Backup, recovery, software installation, and patch management Basic Windows Server administration Requirements 6 years of systems administration experience, including 3 years in HPC…

Junior Linux System Administrator

SparkHouse LLC ✓ Verified
Direct Apply
Colorado Springs, El Paso County
Oct 6, 2026

Junior Linux System Administrator (Recruiting for Axellio) Axellio ( www.Axellio.com ), headquartered in Colorado Springs, Colorado, is an innovator in advanced high-speed streaming data capture, storage, and distribution, high-performance networking, RF technologies, and innovative cyber solutions. We design and deliver cutting-edge platforms that enable customers to process, retain, distribute, analyze, and move massive amounts of data at the edge—where speed, reliability, and performance mat…

We use cookies to optimize search configurations and track AdSense performance. Accept cookie consent to proceed. Privacy Policy