Showing page 2 of 234 (Total listings: 4675)

Linux System Administrator

Chenega Corporation ✓ Verified
Direct Apply
Village of Los Ranchos, Bernalillo County
Feb 24, 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 Systems Administrator

Leidos ✓ Verified
Direct Apply
Bay Saint Louis, Hancock County
Aug 14, 2026

Description Are you a Linux Systems Administrator ready to take your skills beyond the traditional enterprise environment? Leidos is seeking a Mid-Level Linux Systems Administrator to support one of the Department of War's (DoW) largest High Performance Computing (HPC) environments at Stennis Space Center, Mississippi. In this role, you'll work alongside a highly skilled technical team supporting advanced supercomputing resources used by scientists and engineers to solve complex computational c…

Linux Systems Administrator

CACI International ✓ Verified
Direct Apply
Fort George G Meade, Anne Arundel County
Jul 9, 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 System Administrator

Teledyne ✓ Verified
Direct Apply
Redstone Arsenal, Madison County
Apr 12, 2026

US - Huntsville, AL (Arsenal) Full time REQ33648 Be visionary Teledyne Technologies Incorporated provides enabling technologies for industrial growth markets that require advanced technology and high reliability. These markets include aerospace and defense, factory automation, air and water quality environmental monitoring, electronics design and development, oceanographic research, deepwater oil and gas exploration and production, medical imaging and pharmaceutical research.? We are looking fo…

Linux Systems Administrator with Security Clearance

22nd Century Technologies, Inc. ✓ Verified
Direct Apply
Ogden, Weber County
Aug 10, 2026

Position Title: Linux Systems Administrator Client: Defense Information Systems Agency (DISA) Employment Type: Full-Time Work Schedule: Hybrid (1–2 days onsite per week) Security Clearance: Active DoD Secret Clearance Required Locations: Oklahoma City, Oklahoma Mechanicsburg Ogden, Utah Montgomery, Alabama Position Overview We are seeking an experienced Linux Systems Administrator to support mission-critical infrastructure and enterprise services for DISA. The ideal candidate will have a strong…

Linux System Administrator

RTX Corporation ✓ Verified
Direct Apply
Boston, Suffolk County
Aug 7, 2026

Date Posted: 2026-08-04 Country: United States of America Location: XX-XX-UNDISCLOSED Position Role Type: Remote U.S. Citizen, U.S. Person, or Immigration Status Requirements: Active and transferable U.S. government issued security clearance is required prior to start date.? U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance? Security Clearance Type: Secret - Current Security Clearance Status: Active and existing security clearance required on day 1 OPPORT…

Linux System Administrator with Security Clearance

TEKsystems c/o Allegis Group ✓ Verified
Direct Apply
Stennis Space, Hancock County
May 25, 2026

Description We are seeking a talented Senior Linux Systems Administrator, who will be responsible for the servers that process data from a global network of buoys, managed by the National Data Buoy Center (NDBC). This position is located at the NDBC facility at the Stennis Space Center in Mississippi. While some telework is authorized, regular in-office presence is required, including the ability to come into the office in the event of an issue requiring hands-on resolution. Responsibilities an…

Linux System Administrator

Leidos ✓ Verified
Direct Apply
Redstone Arsenal, Madison County
Aug 18, 2026

Description Are you interested in advancing your career in IT System Administration? Leidos-Dynetics, within our Corporate Information Security Office (CISO and reporting through our Digital Modernization sector, is seeking a motivated Linux Systems Administrator to become a part of our team. In this role, you will be responsible for ensuring the secure and efficient operation of various information systems. This includes conducting regular vulnerability scans and implementing Security Technica…

Linux Systems Administrator

Leidos ✓ Verified
Direct Apply
Jbphh, Honolulu
Jul 28, 2026

Description Leidos is seeking a candidate to fill a Linux System Administrator position supporting DISA's GSM-O II contract a t Ford Island, Hawaii . The candidate will maintain the smooth operation of multi-user computer systems running Redhat Linux but also includes Windows Server on a global network management system. Working with server farms as well as working with systems in a cloud environment. Provides support on a M-F business hours schedule, also responsible for on-call, extended hour…

Linux Systems Administrator with Security Clearance

ALKU ✓ Verified
Direct Apply
Aurora, Arapahoe County
Jun 30, 2026

Linux Systems Administrator TS SCI w/ Poly with a Sec Located in Aurora, CO Program Background: ALKU's Client is prime on a mission-critical effort that provides Tier 2 software sustainment and maintenance for across a multitude of operating systems and applications that span over five main domains. This program is seeking candidates at all levels who are willing to learn, grow, lead and teach while working collaboratively with their team to support the Nation's security. They will troubleshoo…

Linux Systems Administrator

SAIC ✓ Verified
Direct Apply
Pearl City, Honolulu
Jul 15, 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 D…

Linux Systems Administrator with Security Clearance

TEKsystems c/o Allegis Group ✓ Verified
Direct Apply
Kiln, Hancock County
May 25, 2026

Top Skills' Details 1) Advanced Linux systems administration and troubleshooting 2) Networking and server infrastructure management 3) Security hardening and compliance in mission-critical environments Must be able to go through Public Trust clearance process. Candidates must be a US Citizen or possess a Green Card (no Work Visa allowed) and must pass a Dept of Commerce Background Check/POT Clearance plus be able to obtain a Common Access Card for use with the NDBC Computer and access to the ND…

Linux Systems Administrator with Security Clearance

Anonymous Employer ✓ Verified
Direct Apply
Pearl Harbor, Honolulu County
Aug 21, 2026

Linux Systems Administrator (Secret with the ability to be upgraded to Top Secret) We’re seeking a candidate to fill a Linux System Administrator position supporting a large federal contract located in Pearl Harbor, Hawaii. The candidate will maintain the smooth operation of multi-user computer systems running Redhat Linux but also includes Windows Server on a global network management system. Working with server farms as well as working with systems in a cloud environment. PRIMARY RESPONSIBILI…

Linux System Administrator with Security Clearance

TEKsystems c/o Allegis Group ✓ Verified
Direct Apply
MacDill Air Force Base, Hillsborough County
Aug 3, 2026

Title: • Linux System Administrator Location: • MacDill Air Force Base, Tampa, Florida (FULLY ON-SITE) Clearance Required: • Secret Certifications Required: • Security • Linux, Virtualization, OR Microsoft Certification College Degree & Years of Experience Required: • Bachelors Degree & 4 years of experience Top Skills Required: • Linux System Administration • Microsoft Server, Domain Controller, Exchange • Virtualization: VMWare, vCenter, VDI, Horizon View • Storage Area Networks (SAN) & Netwo…

Linux System Administrator with Security Clearance

TENAX Technologies ✓ Verified
Direct Apply
Edgewood, Harford County
May 25, 2026

TENAX Technologies is currently seeking a Linux System Administrator to provide technical support at Aberdeen Proving Ground. The Linux System Administrator will provide high-level service to end-users while troubleshooting advanced hardware, software, and network issues for the Army Research Lab, which operates 24/7/365. The ideal candidate must possess excellent customer service skills and the ability to effectively communicate technical information to non-technical users. Key Responsibilitie…

Linux Systems Administrator with Security Clearance

Barbaricum ✓ Verified
Direct Apply
Lee Hall, Newport News City
May 29, 2026

Barbaricum is seeking a Linux Systems Administrator to manage and maintain mission-critical systems for TRADOC G2 operations at Fort Eustis, VA. The selected candidate will provide technical expertise in maintaining Linux-based environments in secure settings. Responsibilities: * Manage Linux-based systems, ensuring stability, security, and compliance. * Perform software updates, system hardening, and patch management. * Troubleshoot hardware and software issues in secure environments. * Develo…

Linux Systems Administrator with Security Clearance

Zeta Associates Inc ✓ Verified
Direct Apply
Fairfax, Fairfax County
Jun 25, 2026

SYSTEM ADMINISTRATOR Zeta Associates is actively looking for Linux System Administrators to join their team of highly skilled SA’s responsible for the development, installation and maintenance of large Linux based enterprise computer systems. The ideal candidate would have experience standing up and maintaining traditional bare metal as well as Cloud environments. Desired Skills or willingness to learn · K8s Deployment and administration · GitLab deployment and administration · Harbor deploymen…

Linux System Administrator with Security Clearance

Mission Services LLC ✓ Verified
Direct Apply
Stephenson, Frederick County
May 25, 2026

Position Overview Provide administration, support, and operational excellence for Red Hat Enterprise Linux (RHEL) systems within a secure, mission-critical environment. Assist in integrating and managing hybrid infrastructure leveraging AWS cloud services. Key Responsibilities Install, configure, patch, and maintain Red Hat Enterprise Linux (RHEL) systems in both virtualized and physical environments Manage AWS components such as EC2, ELB, Auto Scaling, and other relevant services. Automate sys…

Linux Systems Administrator with Security Clearance

cb5 Solutions, LLC ✓ Verified
Direct Apply
Stratmoor Hills, El Paso County
Aug 17, 2026

About the Job At cb5, we are on a mission to find exceptional talent. Our tight-knit organization is led by five brothers, each technology leaders in their respective technical fields and driven to foster a culture of excellence through solidarity. We are seeking a Mid-Level Linux System Administrator to serve as a member of Systems Integration team. This role is onsite at a government location in Huntsville, AL and has very limited travel requirements. Key Responsibilities The candidate will: …

Linux Systems Administrator with Security Clearance

Dexian Signature Federal ✓ Verified
Direct Apply
Chantilly, Fairfax County
Jul 23, 2026

Principal Linux Systems Administrator to join our team in Chantilly, VA. As a Principal Systems Administrator you will perform and lead system administration functions in a Linuxbased private Cloud environment. Must be a self-starter with a strong background in Unix/Linux, scripting/automation, virtualization/Cloud infrastructure, storage and networking. Experience with DevOps tools is a plus. Responsibilities include, but are not limited: • Utilize your knowledge of Linux, scripting, and Cloud…

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