Showing page 1 of 257 (Total listings: 5140)

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 16, 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 * * * 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 administration, ne…

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

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

System One ✓ Verified
Direct Apply
Cary, Wake County
Oct 2, 2026

Linux System Administrator Assignment Details Contract Length: 12 Months Work Location: 100% Remote Travel Requirement: Occasional travel to Dallas, TX (1-2 days annually) Pay range: $70 - $75/hour We are seeking an experienced Linux System Administrator . This is a 12-month engagement focused on infrastructure, systems administration, network operations, and automation. Occasional travel to Dallas, TX may be required. Key Responsibilities Administer and support Linux-based systems and infrastr…

Linux System Administrator

Apex Systems ✓ Verified
Direct Apply
Plano, Collin County
Sep 14, 2026

Job: 3052050 Job Description: Linux System Administrator Location: Plano, Texas (Hybrid) Role Overview This position involves leading the administration, monitoring, and performance tuning of Oracle Enterprise Linux (OEL) environments within a large-scale enterprise ecosystem. The role will oversee the design, build, and lifecycle management of Linux servers and drive the implementation of Site Reliability Engineering (SRE) principles to improve system resilience and automation. Key Responsibil…

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 …

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…

Windows/ Linux System Administrator

Maximus, Inc. ✓ Verified
Direct Apply
Colorado Springs, El Paso County
Oct 19, 2026

Description & Requirements Maximus is seeking a Windows / Linux System Administrator to manage and support internal-use telephony systems for our Homeland Security customers. This role provides technical management for the configuration, maintenance, and troubleshooting of enterprise telephony infrastructure, with responsibilities spanning operating systems, networking, security, and application support. This is an on-site position in Colorado Springs that requires a Secret Clearance. Maximus T…

Linux Systems Administrator

MANTECH ✓ Verified
Direct Apply
Fort George G Meade, Anne Arundel County
Sep 8, 2026

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 streamline operating system deployments. Configure and maintain host-based security and intrusion detection …

Linux Systems Administrator

MANTECH ✓ Verified
Direct Apply
Fort George G Meade, Anne Arundel County
Sep 8, 2026

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 streamline operating system deployments. Configure and maintain host-based security and intrusion detection …

Hybrid Sr Linux System Administrator

Crossfire Consulting Corp ✓ Verified
Direct Apply
Owings Mills, Baltimore County
Oct 8, 2026

Sr Linux Systems Administrator - W2 only - No C2C Contract Length: 21 weeks with possible extension Location: Owings Mills, MD Work Setup: Hybrid Tuesday, Wednesday, Thursday onsite Join a large enterprise environment supporting critical infrastructure and high-availability systems. The Sr Linux Systems Administrator will guide NFS storage migrations for Unit Systems EPS Stabilization while supporting Linux, VMware, cloud, and server infrastructure. Sr Linux Systems Administrator Responsibiliti…

Linux System Administrator (Top Secret)

RedLine Performance Solutions ✓ Verified
Direct Apply
Oakwood, Montgomery County
Oct 13, 2026

RedLine Performance Solutions (RedLine) has been in the High Performance Computing (HPC) solutions engineering services business for over 26 years and is consistently determined to keep the "bar of excellence" quite high for new hires. This enables RedLine to accomplish what other firms cannot and promotes a high level of staff retention. RedLine provides IT infrastructure management and technical support services to some of the world's largest supercomputing sites. The Linux System Administrat…

Direct Apply
Pearl City, Honolulu
Oct 8, 2026

Job ID: 2617678 Location: Pearl City, HI, US Date Posted: 2026-10-07 Category: Information Technology Subcategory: Sys Administrator Schedule: Full-Time Shift: Day Job Travel: Yes - 10% of the time Minimum Clearance Required: Secret Clearance Level Must Be Able to Obtain: TS/SCI Potential for Remote Work: ORA_ON_SITE Description SAIC is seeking a Red Hat Linux Systems Administrator located at the K. Mark Takai Pacific Warfighting Center on Ford Island in Hawaii to support USPACOM J76 to build, …

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