Linux System Administrator jobs

Toronto, Ontario

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Today

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

Staff Linux System Administrator, TS/SCI / Onsite: CO

Littleton, Colorado

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Today

Job Description Our employees are the core of everything we do, and they are helping the future arrive. As a leading technology innovation company, our team of over 100,000 employees work with our partners around the world to bring the latest technology to our customers' toughest challenges. Headquartered in Bethesda, MD, Lockheed Martin has employees based in all 50 states and more than 570 facilities that span 70 countries. This Enterprise Operations (EO) position supports the Lockheed Marti

Full-time

USD 104,500.00 - 184,115.00 per year

Staff Linux System Administrator/ TS/SCI W/Poly- Littleton, CO

Littleton, Colorado

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Today

Full-time

USD 104,500.00 - 184,115.00 per year

Linux System Administrator

Annapolis, Maryland

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Today

Job Description: Quevera is seeking a skilled Linux System Administrator with an active TS/SCI clearance with Polygraph to support mission-critical programs in Annapolis Junction, Maryland. In this role, you will administer and maintain enterprise Linux environments while supporting secure, high-availability infrastructure that enables critical national security missions. Working alongside a collaborative engineering team, you will manage Linux systems, enterprise storage, backup and recovery

Full-time

Senior Linux System Administrator

Hybrid in West Palm Beach, Florida

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Today

Location: Remote Title: Senior Linux System Administrator Duration: Direct Hire Key Responsibilities Mentor and train Junior System Administrators and System Administrators to develop technical expertise and operational best practices. Lead technical projects from planning through implementation, ensuring timely and successful delivery. Manage incident response activities for escalated issues, coordinating resolution and communication as needed. Perform the setup, configuration, and ongoing mana

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Full-time, Third Party

$80000 - $100000

Linux RHEL System Administrator

Plano, Texas

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Today

Date Posted: 08/03/2026 Hiring Organization: Rose International Position Number: 505124 Job Title: Linux RHEL System Administrator Job Location: Plano, TX, USA, 75023 Work Model: Onsite Shift: Regular business hours Employment Type: Temporary FT/PT: Full-Time Estimated Duration (In months): 16 Min Hourly Rate($): 45.00 Max Hourly Rate($): 47.00 Must Have Skills/Attributes: DNS, Linux, RHEL, System Administrator Experience Desired: Red Hat Enterprise Linux (Rhel) System Administration in

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Full-time

USD 45.00 per hour

Red Hat Linux System Administrator with Ansible and Veritas

East Brunswick, New Jersey

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29d ago

Red Hat Linux System Administrator with Ansible and VeritasLocation: Boston, MA - HybridFTE/ContractSalary: MarketJob DescriptionRequired Qualifications:5+ years of experience in Red Hat Linux system administration.Hands-on experience with Ansible, including playbook and role development.Strong proficiency in Veritas technologies (Volume Manager, Cluster Server, Veritas replication).Solid understanding of Unix scripting (bash, Shell, etc.).Familiarity with networking principles (TCP/IP, DNS, etc

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Full-time, Third Party

Depends on Experience

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

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

Senior Linux/UNIX System Administrator

Cape Canaveral Space Force Station, Florida

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18d ago

Role: Senior Linux/UNIX System Administrator Location:Brevard County , FL 32925 Lets create our future together at The AES Group! About The AES Group: The AES Group is a premier technology and engineering consulting company that has been bringing businesses and talent together for over 20 years to deliver innovative solutions that have the greatest positive impact on society. AES has helped over 40 business enterprises, including Fortune 500 companies, engage their customers, empower thei

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Full-time, Third Party

Depends on Experience

System Administrator II (Linux Admin)

Odenton, Maryland

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Today

Job Description: Quevera is seeking a highly skilled Linux Systems Administrator with an active TS/SCI clearance with Polygraph to support mission-critical programs in Fort Meade, Maryland. In this role, you will support enterprise Linux environments operating across multiple networks, architectures, and hybrid cloud infrastructures. You will be responsible for building, maintaining, securing, and optimizing Linux systems while leveraging automation to improve operational efficiency and reliab

Full-time

USD 120,584.00 - 170,122.00 per year

Linux System Administrator

Remote

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Yesterday

Position: Linux System Administrator Location: Dallas, TX, St Louis, MO, Las Vegas, NV Hybrid/Remote Term : Long Term Contract/Fulltime About Infinite: InfiniteisagloballeaderindigitalengineeringandITservices,withover20yearsofexperiencedrivingdigitaltransformation.WepartnerwithleadingFortune1000companiestodeliverinnovative,scalabletechnologysolutionsthatacceleratebusinessoutcomes. Withdeepexpertiseintelecommunications,healthcare,banking,andfinance,Infinitehelpsorganizationsoptimizeandmodernizet

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Full-time

Depends on Experience

Linux System Administrator

Remote

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11d ago

1. Experience in Linux system administration in any combination of the following areas: DesignInstallationOptimizationConfigurationSecurity design, configuration and maintenanceOngoing operations and maintenance including, but not limited to:Backup and recoveryPatches and upgradesPerformance tuningTroubleshooting

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Contract

Depends on Experience

Linux System Administrator

Annapolis, Maryland

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Today

**An active TS/SCI with Polygraph is required for this position ** Description: Red Arch Solutions is seeking a skilled and detail-oriented Linux System Administrator to join our IT infrastructure team in Annapolis Junction, Maryland. The ideal candidate will have strong experience managing enterprise Linux environments and supporting storage, backup, security, and patching systems. This role requires hands-on expertise with IBM Enterprise Storage, Veritas NetBackup, and vulnerability managemen

Full-time

USD 130,000.00 - 150,000.00 per year

Linux System Administrator

Fort Meade, Maryland

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Today

Summary CTC Group has a new and exciting opportunity for Linux Systems Administrators to maintain and secure Linux-based systems, support Cisco and Palo Alto network infrastructure, automate system administration tasks using Ansible, Bash, and Python, and perform vulnerability remediation and IAVA patching within a classified environment Location: Annapolis Junction / Ft. Meade Responsibilities Maintain, configure, monitor, and troubleshoot Linux-based systems supporting mission-critical opera

Full-time

USD 150,000.00 - 190,000.00 per year

Linux System Administrator

Tullahoma, Tennessee

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Today

Overview Job Title: Linux System Administrator Location: Arnold AFB Job Family Code: P - IT / Cyber Security / Network Systems Function/Branch: Engineering / Infrastructure Directorate: Mission Information Services Position Type: Regular, Full-Time Pay Type: Exempt Grade (provided by HR): L07 (PA0717) - L08 (PA0813) Salary Range or Starting Hourly Rate (provided by HR): $70,000 - $124,000 / year Overview Beyond New Horizons, LLC (BNH) has an exciting opportunity for a Linux System A

Full-time

USD 70,000.00 - 124,000.00 per year

Linux System Administrator

Annapolis, Maryland

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Today

Description: Columbia Technology Partners is seeking a skilled Linux System Administrator to support enterprise infrastructure in a secure, high-performance environment. This role is ideal for a hands-on professional with experience managing Linux systems, enterprise storage, and backup solutions while maintaining strong security and compliance standards. You will play a key role in ensuring system reliability, supporting vulnerability management efforts, and driving continuous improvements acro

Full-time

USD 90,000.00 - 140,000.00 per year

Linux System Administrator

College Park, Maryland

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Today

Dark Wolf is looking for a Linux System Administrator who is interested in working in a fast- paced environment building and maintaining an extensive Infrastructure as a Service (IaaS), platform and hypervisor stack for a DoD customer. The successful candidate will work with the team to develop new solutions to support customers' networking and virtualization needs, provide and develop documentation, and monitor security and performance of the platform and deployed services. Our engineers are as

Full-time

USD 70,000.00 - 130,000.00 per year

Linux System Administrator

Huntsville, Alabama

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Today

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 Implementation Guides (STIGs) to maintain regulatory compliance. Mastery of Linux, n

Full-time

USD 92,300.00 - 166,850.00 per year

Linux System Administrator

Omaha, Nebraska

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Today

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 environment that allow

Full-time

USD 87,100.00 - 157,450.00 per year