Linux system administrator jobs

Toronto, Ontario

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7d ago

An established financial services organization is seeking an experienced Linux Systems Administrator to support and modernize a large-scale enterprise Red Hat environment that underpins critical customer-facing platforms. This role is suited to a Linux specialist with deep expertise managing thousands of Red Hat Enterprise Linux servers across hybrid infrastructure, including on-premises virtualization and Microsoft Azure. You'll play a key role in improving platform stability, security, automat

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Full-time

$93000 - $110000

Linux System Administrator

Omaha, Nebraska

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Today

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 diverse environmen

Full-time

USD 87,100.00 - 157,450.00 per year

Linux System Administrator

San Antonio, Texas

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6d ago

Linux Production Support EngineerLocation: San Antonio, TX Work Arrangement: 100% On-Site No relocation. We are seeking a Linux Production Support Engineer to diagnose and resolve complex Linux, software, hardware, and network issues in production environments. This role will work closely with Engineering and Operations teams to identify root causes, implement solutions, improve system reliability, and support day-to-day infrastructure operations. Key ResponsibilitiesTroubleshoot complex Linux,

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Contract

52 - 55

Senior Linux System Administrator (Contract)_ On-Site, Montgomery, Alabama

Montgomery, Alabama

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6d ago

Position Title: Senior Linux System Administrator (Contract) Location: On-Site, Montgomery, AL Contract Duration: 12 Months (Option to extend) Background Check:Candidate must successfully pass state and federal background checks. Required Qualifications & Technical Skills 8+ years of hands-on Linux administration in enterprise or government environments, with deep expertise in current Ubuntu Server LTS releases. Working knowledge of Azure as an operating environment for Linux VMs, including n

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Third Party, Contract

Depends on Experience

Linux System Administrator

Aurora, Colorado

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29d ago

DCCA is a veteran-owned high-technology company specializing in providing information technology services to a variety of government agencies and commercial enterprises since 1982. DCCA is proud to offer a strong, competitive compensation and benefits package. Visit our website at: System Administrator for Linux Candidate must have or be able to obtain an ADP I or ADP II clearance For over 40 years, DCCA has provided a broad range of IT services to government agencies and commercial enterpris

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Full-time

120,000 - 145,000

Linux RHEL System Administrator

Plano, Texas

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Today

Job Title: Linux RHEL System Administrator Overview We are seeking a Linux RHEL System Administrator with strong foundational expertise in Red Hat Enterprise Linux configuration, troubleshooting, and system administration. The ideal candidate will have deep hands-on experience managing enterprise Linux environments and ensuring system reliability, security, and performance. Experience with cloud platforms and DevOps tools is a plus. Key Responsibilities Administer, configure, and maintain RHEL

Full-time

Senior Linux System Administrator

Fort Meade, Maryland

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Today

MANTECH seeks a Senior Linux System Administrator to join our team in Ft. Meade, Maryland. In this role, you will provide support for implementation, troubleshooting, and maintenance of IT systems, as well as manage IT system infrastructure and any processes related to these systems. Responsibilities include but are not limited to: Provide support for implementation, troubleshooting, and maintenance of IT systems.Manage IT system infrastructure and processes related to client/server/storage/ne

Full-time

Linux System Administrator

Fort Meade, Maryland

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Today

MANTECH seeks an experienced and passionate, career and customer-oriented Linux System Administrator to join our team in Ft. Meade, MD. Responsibilities include but are not limited to: Creating and managing virtual environmentsSystems administration of hardware and software in support of maintenance, developing and testing of information technology systemsAdministration of Linux(i.e., Redhat/Rocky 8)Scripting with Basic Shell (Bash), PUTTYConfiguring and maintaining storage and file systemsDeve

Full-time

System Administrator (Unix/Linux) (Locals to MD)

Hybrid in Baltimore, Maryland

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Yesterday

HIRING System Administrator (Unix/Linux) Baltimore, MD | 5-Year Project (2yr Base + 3yr Option) | Local Candidates Preferred In-Person Interview Required | Maryland State Experience Preferred Systems don t run themselves. Someone has to keep them secure, stable, and ready for whatever comes next. That s you. We re hiring a System Administrator for a long-term state government engagement in Baltimore 5 years of stable, meaningful infrastructure work systems across Unix/Linux environments. If

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Third Party, Contract

Depends on Experience

System Administrator, Linux SME (Active TS/SCI Clearance)

Hawaii

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Today

ASE is looking for a Linux System Administration Support professional to work in Honolulu, HI. This role is critical to providing day-to-day administration and operational support. The Linux System Administrator will install, configure, operate, maintain, secure, monitor, and troubleshoot Linux-based servers and applications while initiating corrective actions and accurately reporting system status. This position works closely with information owners, HQ USINDOPACOM Directorates, Systems, Networ

Full-time

USD 148,000.00 - 165,000.00 per year

Linux RHEL System Administrator

Plano, Texas

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8d ago

Position: Linux RHEL System Administrator Location: Plano TX ( Day 1 Onsite )Duration: Long TermWe are seeking Linux RHEL System Administratorwith strong foundational expertise in Red Hat Enterprise Linux configuration, troubleshooting, and system administration. The ideal candidate will have deep hands-on experience managing enterprise Linux environments and ensuring system reliability, security, and performance. Experience with cloud platforms and DevOps tools is a plus. Key Responsibilities

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Third Party, Contract

45 - 50

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

Linux System Administrator

Washington

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Today

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

Full-time

USD 90,300.00 - 189,600.00 per year

Linux System Administrator

Arlington, Virginia

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Today

Nightwing provides technically advanced full-spectrum cyber, data operations, systems integration and intelligence mission support services to meet our customers' most demanding challenges. Our capabilities include cyber space operations, cyber defense and resiliency, vulnerability research, ubiquitous technical surveillance, data intelligence, lifecycle mission enablement, and software modernization. Nightwing brings disruptive technologies, agility, and competitive offerings to customers in th

Full-time

USD 99,000.00 - 206,000.00 per year

Linux System Administrator

Alexandria, Virginia

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Today

Looking for an opportunity to make an impact? At Leidos, we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customers' success. We empower our teams, contribute to our communities, and operate sustainable. Everything we do is built on a commitment to do the right thing for our customers, our people, and our community. Our Mission, Vision, and Values guide the way we do business. If this sounds like a mission you want to be a part of,

Full-time

USD 92,300.00 - 166,850.00 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

Montgomery, Alabama

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Today

Location: Montgomery, Alabama Type: Contract Job #106864 Senior Linux System Administrator Location: Montgomery, AL (100% Onsite) Pay: $68-$70 Per Hour Duration: 12-Month Contract with Extension Potential Schedule: Full-Time | No Remote Work Available A leading government healthcare organization is seeking a Senior Linux System Administrator to support and maintain critical Linux infrastructure across on-premises and Azure cloud environments. This position offers the opportunity to work on h

Full-time

USD 68.00 - 70.00 per hour

Linux System Administrator

Huntsville, Alabama

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Today

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 Technical Implementat

Full-time

USD 92,300.00 - 166,850.00 per year

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

Principal Linux System Administrator

Aurora, Colorado

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Today

SciTec, a wholly owned subsidiary of Firefly Aerospace, 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

Full-time

USD 149,000.00 - 184,000.00 per year