Showing page 10 of 373 (Total listings: 7457)

Linux Systems Administrator with Security Clearance

SAIC ✓ Verified
Direct Apply
Pearl City, Honolulu
Jul 13, 2026

Description SAIC is seeking a Linux Systems / Cloud Administrator to serve on a team supporting our customer, the HQ USINDOPACOM J76, K. Mark Takai Pacific Warfighting Center. The systems and cloud administrator will be a part of a close team that is maintaining, enhancing and upgrading a myriad of applications and services, in an enterprise environment. As part of team, you will participate in implementation and maintenance of Cloud and On-Prem IT Infrastructure to support the customer. JOB DE…

Linux System Administrator with Security Clearance

Leidos ✓ Verified
Direct Apply
Omaha, Douglas County
Jun 9, 2026

R-00184457 Description Leidos Corporate Information Security team, within the Digital Modernization sector, currently has an opening for a Linux Systems Administrator in our Omaha NE office. This position is an exciting opportunity to use your experience providing advanced computing solutions in a heterogeneous environment. We use a wide array of Linux and Windows systems in a tightly integrated environment with a focus on security and high performance computing. If you want to work in a divers…

Linux Administrator - Secret Clearance Required

GD Information Technology ✓ Verified
Direct Apply
Fairview Park, Cuyahoga County
Jul 22, 2026

Type of Requisition: Regular Clearance Level Must Currently Possess: Secret Clearance Level Must Be Able to Obtain: Secret Public Trust/Other Required: None Job Family: IT Infrastructure and Operations Job Qualifications: Skills: Disaster Recovery (DR), Enterprise Systems, Linux, Red Hat Enterprise Linux (RHEL) Certifications: None Experience: 6 years of related experience US Citizenship Required: Yes Job Description: Linux Administrator We are seeking a Linux Administrator to support the Infr…

HP-UX/UNIX/Linux Administrator

Quadax Careers & Culture ✓ Verified
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Brook Park, Cuyahoga County
Jun 27, 2026

Position Title: HP-UX/UNIX/Linux Administrator Title/Name this Position Reports to: Manager of Operations (HP-UX/NOC) Schedule: Hybrid (2 days onsite per week) Location: 7070 American Veterans Parkway, Middleburg Heights, OH Salary Range: $60k-$75k Job Summary: The HP-UX / UNIX / Linux Administrator supports enterprise infrastructure operations, with a primary focus on HP-UX systems and broader UNIX/Linux environments. This role is responsible for system administration, performance optimization…

Linux Administrator - Secret Clearance Required

General Dynamics Information Technology ✓ Verified
Direct Apply
West Falls Church, Fairfax County
Jul 22, 2026

Req ID: RQ224603 Type of Requisition: Regular Clearance Level Must Be Able to Obtain: Secret Public Trust/Other Required: None Job Family: IT Infrastructure and Operations Skills: Disaster Recovery (DR),Enterprise Systems,Linux,Red Hat Enterprise Linux (RHEL) Certifications: Security, CE - CompTIA - Security CE - CompTIA - CompTIA - Security CE - CompTIA, Red Hat Certified System Administrator (RHCSA) in Red Hat OpenStack - Redhat Certified Systems Administration RHEL 9 - Redhat Certified Syste…

Senior Linux Platform Administrator with Security Clearance

Quantum Science Solutions ✓ Verified
Direct Apply
State Farm, Arlington County
Jul 7, 2026

Job Title: Senior Linux Platform Administrator Location: Arlington, VA (Hybrid – 2-3 Days Onsite per Week) Clearance: Active Secret Clearance Required (TS/SCI Preferred) Company: Quantum Science Solutions (QSS) Compensation: Open Rate ________________________________________ Position Overview Quantum Science Solutions (QSS) supports mission-critical federal cybersecurity programs that provide onsite incident response services to civilian Government agencies and critical infrastructure organizat…

Senior Linux System Administrator with Security Clearance

ClearanceJobs ✓ Verified
Direct Apply
North Springfield, Fairfax County
May 25, 2026

DHI Group is a leading provider of specialized workforce solutions, connecting top talent with mission-driven organizations across the defense and intelligence community. As an employer on the Bobcat program, DHI Group offers competitive benefits, a strong culture of professional development, and the resources to support cleared professionals throughout their careers. Overview DHI Group is seeking an experienced System Administrator to support the Bobcat program in Springfield. This individual …

Linux Systems Administrator II

CACI International ✓ Verified
Direct Apply
Fort George G Meade, Anne Arundel County
Jul 18, 2026

Job Title: Linux Systems Administrator II 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 II to perform system administration functions in support of a critical mission based in Fort Meade, MD . This role provides the opportunity to support enterprise infrastructure, enhance syste…

Linux Systems Administrator (5469)

SMX ✓ Verified
Direct Apply
Lexington Park, St. Mary's County
Jul 25, 2026

SMX is looking for a highly motivated Linux Systems Administrator with demonstrated experience performing System Administration functions on Aircraft or Weapons Systems networks, and maintaining and upgrading network infrastructures. This position will provide onsite support at Patuxent River NAS in southern Maryland. As the Linux Systems Administrator, you will join a team of highly-driven, supportive, and skilled professionals engaged in supporting program management, technical, or business c…

Senior Linux Systems Administrator

SAIC ✓ Verified
Direct Apply
Princeton, Mercer County
Jun 20, 2026

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 a highly scientific user and mission driven facility. This individual would support both projects (60%) and user (40%) actives in a high interrupt tiered support environment requiring rapid response to the most complex customer systems inquiries. On a daily basis this individual may divide their time …

Senior Linux Systems Administrator

Leidos ✓ Verified
Direct Apply
Bay Saint Louis, Hancock County
Jun 16, 2026

Description If you're interested in being a part of an extraordinary mission, working with our customer who runs the DoD's largest supercomputing centers and operating some of the most powerful supercomputers in the world, we could use your experience and enthusiasm! You will be providing your LINUX Systems Administration expertise to ensure DoD scientists have reliable access to these critical resources. You will be directly supporting the warfighter. All of your work will be performed on cust…

Principal Linux System Administrator

BAE Systems ✓ Verified
Direct Apply
Merrimack, Hillsborough County
Jun 5, 2026

Job Description We put our customers first exemplified by our missions: We Protect Those Who Protect Us and We Innovate for Those Who Move the World. Sound like a team you want to be a part of? Come build your career with BAE Systems. BAE Systems is seeking a highly trained and motivated Principal Closed Area Systems Administrator to lead and manage classified IT infrastructure operations in support of national security missions. This role is pivotal in ensuring the integrity, security, and ava…

Linux Systems Administrator (5325)

SMX ✓ Verified
Direct Apply
Lexington Park, St. Mary's County
Jun 4, 2026

SMX is seeking an Embedded Linux System Administrator to support a lab environment on-site at NAS Patuxent River. This role focuses on hands-on support of hardware and operating systems within an embedded environment. The Linux System Administrator will be responsible for ensuring deployed lab systems remain compliant, secure, and operational through proper patching, scanning, and backup practices. The ideal candidate will bring strong Linux experience, foundational troubleshooting skills, and …

Senior Linux System Administrator

General Dynamics Information Technology ✓ Verified
Direct Apply
Bay Saint Louis, Hancock County
Mar 3, 2026

Req ID: RQ215945 Type of Requisition: Regular Clearance Level Must Be Able to Obtain: None Public Trust/Other Required: None Job Family: IT Infrastructure and Operations Skills: Information Technology (IT) Infrastructure,Linux,System Administration Experience: 8 years of related experience Job Description: Senior Linux System Administrator The position is for the Senior Linux System Administrator responsible for the servers that process data from a global network of buoys, managed by the Natio…

Windows / Linux System Administrator

Maximus ✓ Verified
Direct Apply
Savage, Anne Arundel County
Apr 18, 2026

Maximus is seeking a Windows / Linux System Administrator to manage and support internal-use telephony systems for our Homeland Security customer. This role provides technical leadership for the configuration, maintenance, and troubleshooting of enterprise telephony infrastructure, with responsibilities spanning operating systems, networking, security, and application support. This position is on-site and requires a Secret Clearance. Maximus TCS (Technology and Consulting Services) Internal Job…

Solaris / Linux Systems Administrator

Barnes & Noble Education ✓ Verified
Direct Apply
Prathersville, Boone County
Jul 16, 2026

Education - It's in Our DNA At Barnes & Noble Education ("BNED") we are dedicated to making tomorrow a better, more inclusive, and smarter world by servicing all who work in education. As a leading solutions provider for the education industry, we are committed to driving affordability, accessibility, and achievement at hundreds of academic institutions nationwide by ensuring millions of students are equipped for success in the classroom and beyond. Together, our teams work to elevate lives thr…

Windows & Linux Systems Administrator

ASM Research, An Accenture Federal Services Company ✓ Verified
Direct Apply
Washington, D.C., US
Jul 21, 2026

We are seeking a skilled and dependable Systems Administrator to join our team at the mid to senior level. This role carries direct responsibility for managing and maintaining enterprise Windows and Linux server infrastructure, endpoint management systems, and virtualized environments. The ideal candidate brings proven hands-on experience, strong problem-solving instincts, and the technical depth to operate independently while collaborating effectively across teams. Administer and maintain Mic…

Endpoint Linux Systems Administrator

US Tech Solutions ✓ Verified
Direct Apply
Milpitas, Santa Clara County
Jun 19, 2025

Milpitas, CA Contract Job Description: The client is deploying security tools on Windows and Linux endpoints so that all endpoint systems are managed and in compliance with cyber policies in Milpitas, CA location. This individual will be accountable for Windows endpoints, Linux endpoints in various Engineering Groups. Responsibilities on the above systems include Deploying security tools, System Administration, engineering and provisioning, operations and support, and research & development …

RedHat Linux Systems Administrator with Security Clearance

Fuse Engineering LLC ✓ Verified
Direct Apply
Fort George G Meade, Anne Arundel County
May 25, 2026

> RedHat Linux Systems Administrator Fuse Engineering LLC RedHat Linux Systems Administrator Fort Meade, MD Description • Strong Linux system administration skillsGeneral Red Hat Linux system administration, security patching, OS upgrades, troubleshooting problems, and ensuring maximum availability • Red Hat Certified Engineer certification (RHCE) is a plus • Experience in VMware and/or virtual server environment administration Requirements The candidate should have a Security certification EQ…

Senior Linux System Administrator with Security Clearance

Zachary Piper Solutions, LLC ✓ Verified
Direct Apply
San Diego, San Diego County
Jul 15, 2026

Zachary Piper Solutions is looking for a Senior Linux System Administrator to join a large DOD program in San Diego, CA. Essential Duties of the Sr Linux System Administrator: * Install, configure, and support an organization's local area network (LAN), wide area network (WAN), and Internet systems or a segment of a network system. * Monitor network to ensure network availability to all system users and may perform necessary maintenance to support network availability. * May assist in network m…

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