Linux System Administrator jobs

Toronto, Ontario

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10d 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

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

Montgomery, Alabama

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10d 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

San Antonio, Texas

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10d 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

Linux System Administrator

Laurel, Maryland

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Today

MANTECH is seeking a motivated, career-driven, and customer-focused Linux System Administrator to join our team in Laurel, MD. You will play a critical role in supporting the enterprise infrastructure capabilities for a global, mission-focused workforce. 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 Syst

Full-time

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

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, 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

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

Hybrid in Baltimore, Maryland

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4d ago

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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Contract, Third Party

Depends on Experience

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, manage

Full-time

System Administrator UNIX / Linux Infrastructure

Brooklyn, New York

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Today

Role : System Administrator - UNIX / Linux Infrastructure Location: Brooklyn, NY (Onsite) Job Type : Contract INTERVIEW PROCESS WITH RCI Technologies- 1st Round will be a telephone screening where candidates will need to answer technical experience questions and 2nd Round will be an in-depth technical Teams video call. INTERVIEW PROCESS WITH CLIENT-1st Round will be TEAMS CALL and 2nd /3rd Round will be Face to face NOTE : ONLY LOCALS FROM NY METROPOLITAN and NJ AREA WILL BE CONSIDERED (Plea

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Full-time, Part-time, Contract, Third Party

Linux RHEL System Administrator

Plano, Texas

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11d 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

Sterling, Virginia

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Today

Job Title: Linux System 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 * * * The Opportunity: CACI's National Mission Systems (NMS) group is seeking a highly motivated Linux Systems Administrator tosupport mission-critical environments by ensuring secure, reliable, and scalable infrastructure across cloud and bare-metal

Full-time

USD 103,800.00 - 218,100.00 per year

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

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

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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9d 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

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