Senior Linux Administrator jobs

Cambridge, Massachusetts

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Today

Location: Cambridge, MA Salary: $65.00 USD Hourly - $80.00 USD Hourly Description: Title: Senior Linux Platform Engineer Type: Contract 6+ months Location: Cambridge, MA on Site *MUST HAVE ACTIVE SECRET CLEARANCE* We are seeking a Senior Linux Platform Engineer to build, automate, and operate secure, scalable infrastructure platforms that support modern software delivery. This role requires deep expertise in Linux administration, Kubernetes, containerization, CI/CD, and infrastructure auto

Contract

USD 65.00 - 80.00 per hour

Senior Linux Administrator

Remote or Monroe, Louisiana

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Today

RESPONSIBILITIES: Kforce has a client that is seeking a Senior Linux Administrator in Monroe, LA. Summary: We are seeking a Senior Linux Systems Administrator to design, deploy, secure, and support Linux-based infrastructure for a classified federal program. This role requires an experienced engineer who can build environments from the ground up and manage them through their full lifecycle, including virtualization, security, automation, monitoring, authentication services, and application supp

Full-time

$82,000 - $121,000 annually

Senior Linux Systems Administrator

Princeton, New Jersey

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Today

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 GF

Full-time

USD 80,001.00 - 120,000.00 per year

Senior Linux Administrator (Active Clearance)

Remote

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Today

Lumen is the trusted network for the AI-powered world, connecting people, data, and applications through our expansive fiber network and connected ecosystem. We enable secure, high-performance connectivity across cloud, edge, and AI workloads for enterprises, governments, and communities. At Lumen, you'll work on infrastructure customers rely on today and build for what's next, where performance, security, and resilience matter. This is a high accountability environment where bold ideas drive

Full-time

USD 82,969.00 - 110,625.00 per year

Sr. Linux Administrator

Arlington, Virginia

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Today

Our Partner supports a U.S. Government customer on a mission critical program to design, build, deliver, and operate a next generation network operations environment. As part of the broader consolidation and modernization vision, this role contributes directly to the establishment of team dedicated to maintaining a Cyber Threat Intelligence Database. This role will also contribute to the creation, maintenance, and expansion of such a system across multiple domains. They are seeking a Senior Linu

Full-time

Senior Linux Administrator - TS/SCI required

Arlington, Virginia

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Today

BCMC supports a U.S. Government customer on a mission critical program to design, build, deliver, and operate a next generation network operations environment. As part of a broader consolidation and modernization vision, this role contributes directly to the establishment of team dedicated to maintaining a Cyber Threat Intelligence Database. This role will also contribute to the creation, maintenance, and expansion of such a system across multiple domains. We are seeking a Senior Linux Administr

Full-time

IT - Medicaid - Senior Linux Administrator

Montgomery, Alabama

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Today

Job Description Title: IT - Medicaid - Senior Linux Administrator Duration: 12 Months (Option to extend) Location: Candidate will work 100% Onsite in Montgomery AL Main Office (No remote work allowed) Position Overview Seeking a Senior Linux Administrator for an on-site contract engagement. This role operates, maintains, and secures RedHat, Ubuntu and other Linux systems running both on-prem and in Azure across both CommercialC and Azure Government environments. This role sits at the intersect

Full-time

Sr Linux Administrator

Centennial, Colorado

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Today

Sierra Space Careers: At Sierra Space, we build the missions and systems that keep our world secure in the domain above Earth. Sierra Space team members share a spirit of innovation and collaboration and a belief that we can deliver on the boldest missions in space today. Together with our customers, we aim to safeguard our nation, sustain human presence in space, and secure the freedom of operations in low Earth orbit and beyond. Our success is measured by the trust of those who rely on what w

Full-time

USD 135,864.00 - 186,813.00 per year

Senior Linux Administrator, Engineering IT Infrastructure & Operating Systems

Wilmington, Massachusetts

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Today

About Analog Devices Analog Devices, Inc. (NASDAQ: ADI) is a global semiconductor leader that bridges the physical and digital worlds to enable breakthroughs at the Intelligent Edge. ADI combines analog, digital, AI, and software technologies into solutions that combat climate change, reliably connect humans and the world, and help drive advancements in automation and robotics, mobility, healthcare, energy and data centers. With revenue of more than $11 billion in FY25, ADI ensures today's inno

Full-time

USD 95,600.00 - 131,450.00 per year

Senior Linux Systems Administrator - Quality Assurance

Laurel, Maryland

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Today

Job Description About Leidos Leidos is a FORTUNE 500 company bringing a mix of innovative technology and sector expertise to customers in the national security, engineering, and health industries. We deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customers' success. Guided by our Mission, Vision, and Values, Leidos empowers its teams, contributes to its communities, and operates sustainably-always with a commitment to doing the rig

Full-time

USD 92,300.00 - 166,850.00 per year

Senior Linux Systems Administrator - Kubernetes

Annapolis, Maryland

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Today

Job Description: Quevera is seeking a highly skilled Senior Linux Systems Administrator - Kubernetes with an active TS/SCI clearance with Polygraph to support a high-visibility mission environment in Annapolis Junction, Maryland. In this role, you will support an Intelligence Community-wide mission environment and a software development and engineering project working to productize its system. You will provide senior-level Linux system administration and engineering support within a Kubernetes

Full-time

Senior Linux Systems Administrator

Long Beach, California

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Today

Vast is developing next-generation space stations and space infrastructure using an incremental, hardware-rich, and low-cost approach. Vast is rapidly developing its multi-module Haven Station to ensure a continuous human presence in space for America and its allies, enabling advanced microgravity research and manufacturing, and unlocking a new space economy for government, corporate, and private customers. Haven Demo's 2025 success made Vast the only operational commercial space station company

Full-time

USD 123,000.00 - 174,600.00 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

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

Sr. Linux/VMware System Administrator

Laurel, Maryland

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Today

MANTECH seeks a motivated, career-driven, and customer-focused Sr. Linux/VMWare System Administrator to join our team in Laurel, MD. This position supports the high-visibility Enterprise Infrastructure Services (EIS) organization, responsible for the delivery and security of MPO?s Enterprise Information Technology (EIT), the foundation for enterprise-wide services. As a Senior System Administrator, you will work alongside customers, Integrated Product Teams (IPTs), and vendors to support the imp

Full-time

Senior Linux System Administrator

Maryland

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5d 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

Senior Linux System Administrator

Laurel, Maryland

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Today

ManTechseeksa motivated, career and customer-orientedLinuxSystem Administratorto join our team inLaurel,MD. You will be part of a dedicated team delivering enterprise infrastructure capabilities for a global workforce that supports a wide range of national defense missions. This role directly supports the Enterprise Infrastructure Services (EIS) organization?the foundation of all Enterprise Information Technology (EIT) for MPO. Responsibilities include but are not limited to: Configure and man

Full-time

Sr. System Administrator (Linux) (Laurel, MD)

Laurel, Maryland

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Today

**Active TS/SCI w/Polygraph REQUIRED** Please do not apply if you do not currently possess this level of clearance. Telework: None Basic Requirements: 20 years experience as a system engineer Bachelor's degree in a technical discipline 5 additional years of experience as a system engineer may be substituted for a degree Required Experience: RedHat Linux Ansible VMWare Excellent benefits package including 25 days PTO, 11 paid holidays, 100% employer-paid healthcare for employees and dependents -

Full-time

Senior Linux Administrator

Huntsville, Alabama

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Today

Overview Intrepid, an SPA Company, brings more than 20 years of experience supporting the Department of Defense and U.S. Government, consistently setting the standard for excellence in the federal marketplace. Committed to advancing the mission of the U.S. Warfighter, Intrepid leverages technological superiority to deliver innovative solutions across air, space, land, and sea domains. We are proud to foster a collaborative, dynamic work environment, offering competitive compensation and an indu

Full-time

Senior Linux Systems Administrator

Colorado Springs, Colorado

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Today

Modern Technology Solutions, Inc. (MTSI) is searching for a Systems Administrator - Senior to support United States Space Force (USSF) by developing software in support of Space Systems Command (SSC) Defensive Cyber Operations rapid agile development of defensive cyber solutions to protect, defend, and respond to both ground and space based cyber adversarial threats. A successful candidate should be a leader and problem solver with a proven ability to deliver superior results as part of a high p

Full-time

USD 135,000.00 - 165,000.00 per year