Linux System Administrator jobs

Colorado Springs, Colorado

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Today

Description & Requirements Maximus is seeking a Windows / Linux System Administrator to manage and support internal-use telephony systems for our Homeland Security customers. This role provides technical management for the configuration, maintenance, and troubleshooting of enterprise telephony infrastructure, with responsibilities spanning operating systems, networking, security, and application support. This is an on-site position in Colorado Springs that requires a Secret Clearance. Maximus T

Full-time

USD 70,000.00 per year

Linux System Administrator/ Business Operations

Toronto, Ontario

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Today

An established financial services organization is seeking a Linux Systems Administrator to help drive the reliability, security, and modernization of a large-scale enterprise Linux platform supporting mission-critical customer and business operations. Based out of the organization's Etobicoke office, this position is ideal for a Linux professional who enjoys working across complex hybrid environments spanning enterprise datacenters, virtualization platforms, and Microsoft Azure cloud infrastruct

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Full-time

$90000 - $110000

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

Hybrid Sr Linux System Administrator

Owings Mills, Maryland

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Today

Sr Linux Systems Administrator - W2 only - No C2C Contract Length: 21 weeks with possible extension Location: Owings Mills, MD Work Setup: Hybrid Tuesday, Wednesday, Thursday onsite Join a large enterprise environment supporting critical infrastructure and high-availability systems. The Sr Linux Systems Administrator will guide NFS storage migrations for Unit Systems EPS Stabilization while supporting Linux, VMware, cloud, and server infrastructure. Sr Linux Systems Administrator Responsibil

Full-time

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 System Administrator (Top Secret)

Dayton, Ohio

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8d ago

RedLine Performance Solutions (RedLine) has been in the High Performance Computing (HPC) solutions engineering services business for over 26 years and is consistently determined to keep the "bar of excellence" quite high for new hires. This enables RedLine to accomplish what other firms cannot and promotes a high level of staff retention. RedLine provides IT infrastructure management and technical support services to some of the world's largest supercomputing sites. The Linux System Administrato

Full-time

Depends on Experience

Linux System Administrator

Aliso Viejo, California

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2d ago

Systems Administrator (Linux & Windows Server)Aliso Viejo, CA Full Time Position OverviewTake ownership of critical enterprise infrastructure by upgrading, integrating, and maintaining Linux, Windows Server, storage, and virtualization environments. This hands-on role focuses on keeping systems stable, secure, and ready for production while supporting major infrastructure initiatives. What You'll DoDeploy, configure, and maintain Linux servers (Ubuntu, CentOS, or RHEL).Execute foundational data

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Full-time

Depends on Experience

Linux System Administrator

Cary, North Carolina

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17d ago

Linux System AdministratorAssignment Details Contract Length: 12 Months Work Location: 100% Remote Travel Requirement: Occasional travel to Dallas, TX (1-2 days annually) Pay range: $70 - $75/hourWe are seeking an experienced Linux System Administrator. This is a 12-month engagement focused on infrastructure, systems administration, network operations, and automation. Occasional travel to Dallas, TX may be required. Key Responsibilities Administer and support Linux-based systems and infrastructu

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Contract

$75

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

Toronto, Ontario

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30+d 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

System Administrator - Windows/Linux

Houston, Texas

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7d ago

Position Title: SR. System Administrator Location: Downtown Houston TX Position Overview: We are seeking a highly skilled Hybrid Infrastructure Administrator to manage, maintain, and modernize our enterprise infrastructure across both on-premises and cloud environments. The ideal candidate will possess deep expertise in traditional systems administration, including servers, virtualization, networking, storage, Active Directory, and firewall management, while also demonstrating hands-on experienc

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Contract, Third Party

Depends on Experience

System Administrator, Linux SME - (Active Secret Clearance with Ability to obtain TS/SCI)

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 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

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

Colorado

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Today

Posting/External Job Title Linux System Administrator Location Schriever Space Force Base, CO 80930 US (Primary) Remote/Onsite/Hybrid 100% Onsite Job Type Full-time # of Hires Needed 1 Education None Travel Up to 10% Security Clearance Required Secret Pay Range (All offers will be based on experience) $118,000 - $143,000/yr. Position Introduction/Key Duties Cimarron is seeking a Linux System Administrator to support the Missile Defense Agency (MDA) on the Integrated Research a

Full-time

USD 118,000.00 - 143,000.00 per year

Linux System Administrator

Tullahoma, Tennessee

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Today

Overview Job Title: Linux System Administrator Location: Arnold AFB, TN Job Family Code: P - IT / Cyber Security / Network Systems Function/Branch: Infrastructure Directorate: Mission Information Support Position Type: Regular, Full-Time Pay Type: Exempt / Salary Sponsorship: Positions NOT Sponsored Grade: L07 (PA0717); L08 (PA0813) Salary Range: L07: $82,500 - $110,000; L08: $99,500 - $132,000/ per year Overview Beyond New Horizons, LLC (BNH) has an exciting opportunity for a Linux S

Full-time

USD 82,500.00 - 110,000.00 per year

Linux System Administrator

Alexandria, Virginia

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Today

Linux System Administrator Alexandria, VA Secret clearance or higher The Test and Training Enabling Architecture (TENA) program at Leidos is looking to add a Linux System Administrator. Our mission is to develop tools for the United States Department of Defense test and training communities, to increase the speed of the development cycle, to get capabilities to the warfighter more rapidly. The Linux System Administrator will work within a team engineers, developers and system administrators,

Full-time

USD 87,100.00 - 157,450.00 per year

Linux System Administrator

Chantilly, Virginia

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Today

Job Type Full-time Description POSITION: Linux System Administrator WORK LOCATION: Chantilly, VA JOB CATEGORY: Information Technology JOB TYPE: Full-Time REQUISITION ID: EM07-047 CITIZENSHIP: United States Citizen CLEARANCE TYPE: Top Secret/SCI With CI Poly TRAVEL REQUIREMENTS: None E&M Technologies, Inc. is dedicated to recruiting and developing diverse, high-performing talent who are passionate about what they do. Our employees are unified in a shared dedication to our customers' mis

Full-time

USD 95,000.00 per year

Linux System Administrator

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 Linux Systems Administrator / DevOps Engineer with 10+ years of experience and a technical degree to support secure, mission-critical environments. The ideal candidate will have extensive experience administering enterprise Linux systems, managing system performance and security, troubleshooting complex infrastructure issues, and deploying and maintaining Kubernetes clus

Full-time

USD 168,000.00 - 195,000.00 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