Linux System Administrator jobs

Chantilly, Virginia

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Today

Leidos is seeking an experienced Linux Systems Engineer to provide support to a mission critical enterprise identity and access management system. A successful candidate will develop an understanding of the services offered to external organizations, provide lifecycle systems engineering support to development and operations on the program, and use a combination of technical and functional expertise to recommend solutions to satisfy customer requirements. This position requires the ability to wo

Full-time

USD 52,000.00 - 94,000.00 per year

Sr. Linux System Administrator

Tullahoma, Tennessee

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Today

Overview Job Title: Sr. Linux System Administrator Location: Arnold AFB, TN Job Family Code: P - IT / Cyber Security / Network Systems Function/Branch: Engineering / Infrastructure Directorate: Engineering Tech & Support Position Type: Regular, Full-Time Pay Type: Exempt Grade: L09(PA0915); L10(PA1012) Salary Range: L09: $106,500 - $146,000; L10: $123,500 - $169,500/ per year Overview Beyond New Horizons, LLC (BNH) has an exciting opportunity for a Sr. Linux System Administrator, suppor

Full-time

USD 106,500.00 - 146,000.00 per year

Senior Linux System Administrator

Maryland

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15d ago

Location: NAS Patuxent River, MD Security Clearance Requirement: Active Top Secret Telework Eligible? No What You'll Do: As the Senior Linux System Administrator, you will be responsible for ensuring secure configurations, producing accreditation artifacts, and maintaining hardened baselines, all with a focus on reliability and long-term system assurance. The ideal candidate is not only technically strong, but also thoughtful, process-oriented, and one who takes a careful, methodical approac

Full-time

USD 135,000.00 - 155,000.00 per year

Linux System Administrator

Annapolis, Maryland

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Today

Belay Technologies has been voted Baltimore Business Journal's (BBJ) Best Places to Work 2026! Belay Technologies is seeking a System Administrator (SA) to join our Intel team. The SA will provide Linux systems administration and operational support for mission-critical environments, including command-line system administration and application, data, and messaging flow management. Responsibilities Support implementation, troubleshooting, maintenance, and daily operations of IT systems.Provide T

Full-time

USD 120,000.00 - 157,500.00 per year

Senior Linux System Administrator - 306502

Dahlgren, Virginia

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Today

Delaware Nation Industries is seeking a Linux System Administrator - Senior to provide advanced systems administration and engineering support for the Air Force Joint Worldwide Intelligence Communications System/Joint Interoperability Test and Services mission. This position will help maintain secure, resilient, and highly available Linux infrastructure across classified and unclassified environments supporting mission-critical operations. The Senior Linux System Administrator will serve as a t

Full-time

USD 120,000.00 - 125,000.00 per year

Linux System Administrator

Remote

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Today

The DevOps Engineer / Linux Administrator supports and enhances enterprise Linux environments through automation, infrastructure management, CI/CD pipeline development, and system administration. This role is responsible for maintaining secure, reliable, and scalable Linux-based platforms while partnering with development, security, and operations teams to improve deployment efficiency, system performance, and operational stability. Key Responsibilities Administer, maintain, troubleshoot, and o

Full-time

Linux System Administrator - active Top Secret required

Washington, District of Columbia

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Today

Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret Clearance Level Must Be Able to Obtain: Top Secret/SCI Public Trust/Other Required: None Job Family: IT Infrastructure and Operations Job Qualifications: Skills: Backup and Recovery (Software), Critical Systems, Information Technology (IT) Infrastructure Certifications: None Experience: 5 + years of related experience ship Required: Yes Job Description: Linux Administrator Advance how our customers operate wh

Full-time

USD 107,744.00 - 126,500.00 per year

Principal Linux System Administrator (Clearance Required)

Aurora, Colorado

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Today

SciTec, a Firefly Aerospace Company, is a dynamic non-traditional defense contractor that delivers advanced technologies in support of U.S. National Security and Defense. For the past forty-five plus years, we have supported Department of Defense customers by developing innovative remote sensing algorithms, tools, and techniques to deliver world-class data exploitation capabilities supporting missile defense; intelligence, surveillance, & reconnaissance; space domain awareness; and aircraft surv

Full-time

USD 149,000.00 - 184,000.00 per year

HPC Linux System Administrator

Houston, Texas

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Today

Job Description GeoControl Systems, Inc.as a HUBZone company, is required to maintain a Federally mandated level of employees that reside (home residence) in a qualified HUBZone. ONLY applicants whose home address lies in a qualified HUBZone will be considered for this position. You can verify whether you reside in a HUBZone by using the following website: ;br> Are you passionate about human space exploration, understanding the origins of the universe, and working with a passionate and diverse

Full-time

Linux System Administrator

Huntsville, Alabama

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Today

INTUITIVE is a nationally recognized Best Place to Work that provides solutions from design through production to sustainment by delivering targeted results. Our approach couples the latest technology with engineering expertise and analytical proficiency while remaining true to genuine customer relationships and a culture that fosters growth and opportunity. Our diverse portfolio of capabilities and extensive customer base allows our employees countless opportunities to pursue their passions an

Full-time

Linux System Administrator

Ohio

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Today

3dB Labs is seeking a skilled Linux System Administrator to join our corporate team supporting our growing mission. The ideal candidate is a self-starter with great interpersonal skills with the technical knowledge to go with it. Our work environment is dynamic and fast-paced with a focus on quick-reaction responses to our customers' needs. Our products are technically compelling, operationally relevant, and deployed around the globe. For the Linux System Admin role, the major list of duties in

Full-time

RedHat Linux System Administrator (Levels I - IV)

Annapolis, Maryland

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Today

Job Title: RedHat Linux System Administrator Location(s): Annapolis Junction, Maryland Hours: Regular Full-Time Salary Range: $120k/yr - $185k/yr Clearance Requirements This position requires a current and active TS/SCI with Poly at the time of application. What you will be doing: The SAL will perform a variety of functions, depending on the level required. The specific demonstrated skills, as more fully set forth at each level may include: providing support for the implementation and operation

Full-time

USD 120,000.00 - 185,000.00 per year

Solaris & Linux System Administrator

Annapolis, Maryland

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Today

We are seeking a skilled and detail-oriented Linux System Administrator to join our Partner's IT infrastructure team. The ideal candidate will have strong experience managing enterprise Solaris and Linux environments and supporting storage, backup, security, and patching systems. This role requires hands-on expertise with Solaris Operating System, IBM Enterprise Storage, Veritas NetBackup, and vulnerability management tools, along with a solid understanding of system hardening and package manage

Full-time

Linux System Administrator (Pomona, NJ)

Galloway, New Jersey

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Today

10+ Years of experience Bachelors Degree in related field Required Experience: Red Hat Linux System Administrator Red Hat Ansible Automation F5 Networks GTM and LTM Additional Desired Experience: VMware Virtualization Duties: Proactively maintain and develop all Linux infrastructure technology to maintain a 24x7x365 uptime service Engineering of systems administration-related solutions for various project and operational needs Maintain best practices on managing systems and services acros

Full-time

Senior Linux System Administrator

Albuquerque, New Mexico

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Today

Overview Edgewater Federal Solutions is seeking a Senior Linux System Administrator to support a major national laboratory. The Computational Systems Engineering Department is a capability based organization that architects, develops, integrates, tests, and deploys large highly reliable mission critical systems using agile methodologies. We have expertise in R&D and Information Technology across many disciplines including large-scale software engineering, computer science, and computer engineer

Full-time

Linux System Administrator

Mooresville, North Carolina

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Today

Do you think you know Linux? Are you a natural at problem solving, with little guidance and can work administer Linux systems in an air-gapped environment (IE no Google or paid support)? Corvid looking for a talented Linux expert that enjoys working with highly technical engineers and scientists solving difficult engineering problems for our customers - and can do it in a unique environment that supports national defense. Corvid Technologies runs a supercomputer with an environment built on both

Full-time

Linux System Administrator (Top Secret/SCI with agreement to obtain CI Poly Clearance Required)

Chantilly, Virginia

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Today

North Point Technology is looking to hire a Linux System Administrator to support a high-priority intelligence community program. This role requires an active Top Secret security clearance with SCI eligibility and a willingness to obtain a polygraph within the customer's required timeline. The selected candidate will administer and maintain Linux environments across multiple operational and development contexts, supporting both mission continuity and cloud-forward initiatives. U.S. citizenship i

Full-time

Linux System Administrator Level 2 (Fort Meade, MD)

Fort Meade, Maryland

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Today

Linux System Administrator Level 2 Location: Fort Meade, MD Employment Type : Full-Time Clearance: TS/SCI with Full Scope Polygraph Salary Range: $115,000 to $130,000 per year OTA is seeking System Administrators to provide support for implementation, troubleshooting and maintenance of Information Technology (IT) systems. Our System Administrators will manage IT systems including day-to-day operations, monitoring and problem resolution for all of the client/server/storage/network devices. If yo

Full-time

USD 115,000.00 - 130,000.00 per year

Linux/HPC System Administrator

Lemont, Illinois

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Today

The APS Engineering Support Division (AES) provides reliable operations and technical support to the Advanced Photon Source user community. AES works to ensure that the Advanced Photon Source maintains its status as a preeminent scientific user facility. We are seeking a highly skilled and motivated Linux/HPC System Administrator to manage and support the onsite HPC resources, beamline systems, and beamline services. Our administrators design, install, implement, and manage services running on

Full-time

USD 86,299.00 - 134,626.05 per year

Sr. System Administrator / Dev Ops - Linux Kubernetes

Linthicum Heights, Maryland

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Today

Red Arch Solutions is seeking a Senior Systems Administrator to support a software development / engineering project looking to productize their system. Qualifications: Contractor will be supporting an IC wide mission environment / service. Minimum of 10 years experience as a Linux System Admin / Eng. Required: Linux - (CentOS/RHEL) Linux admin experience. Kubernetes based environment. Red Hat Certification desired Required: Kubernetes (K8's) experience; specifically tooling and container funda

Full-time

USD 180,000.00 - 205,000.00 per year