Linux System Engineer jobs

Houston, Texas

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4d 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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Third Party, Contract

Depends on Experience

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

Linux System Administrator (Top Secret/SCI with agreement to obtain CI Poly Clearance Required)

Chantilly, Virginia

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Today

North Point Technology is looking to hire a Linux System Administrator to support a high-priority intelligence community program. This role requires an active Top Secret security clearance with SCI eligibility and a willingness to obtain a polygraph within the customer's required timeline. The selected candidate will administer and maintain Linux environments across multiple operational and development contexts, supporting both mission continuity and cloud-forward initiatives. U.S. citizenship i

Full-time

Linux system admin

Houston, Texas

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18d ago

Linux System Administrator Data Center / Network InfrastructureLocation: Houston, TX Work Model: Onsite Experience: 5+ Years Job DescriptionWe are looking for a Linux System Administrator with strong hands-on experience in Linux administration, network management, data center infrastructure, and server hardware. Mandatory Technical Skills5+ years of Linux System Administration experience. Strong Red Hat/RHEL experience. Network administration including IP networking, routers, switches, firewall

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Contract

36+

Linux System Administrator

Beavercreek, Ohio

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Today

Radiance Technologies is an employee-owned company with benefits that are unmatched by most companies in the Dayton OH area. Employee ownership, generous 401K, full health/dental/life/vision insurance benefits, interesting assignments, educational reimbursement, competitive salaries and a pleasant work environment combine to make Radiance Technologies a great place to work and succeed. Radiance, supporting major Air Force programs in Dayton OH, is searching for an experienced Red Hat Linux Syste

Full-time

Linux System Administrator

Aliso Viejo, California

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4d 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

Solaris & Linux System Administrator

Annapolis, Maryland

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Today

Description: Columbia Technology Partners is seeking a skilled System Administrator to support and maintain mission-critical enterprise infrastructure environments. This position is ideal for a hands-on systems professional with expertise in Solaris and Linux administration, enterprise storage solutions, backup and recovery operations, and cybersecurity compliance. The successful candidate will play a key role in ensuring the reliability, security, and performance of large-scale production syste

Full-time

Linux Systems Engineer

Arlington, Virginia

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2d ago

Job ID: 2616803 Location: Arlington, VA, US Date Posted: 2026-09-15 Category: Information Technology Subcategory: Network Engineer Schedule: Full-Time Shift: Day Job Travel: Yes - 10% of the time Minimum Clearance Required: TS.SCI Clearance Level Must Be Able to Obtain: TS/SCI with Poly Potential for Remote Work: ORA_ON_SITE Description SAIC is seeking a Linux Systems Engineer capable of working with contractors, government personnel, and subject matter experts focusing on creating and

Full-time

USD 160,001.00 - 200,000.00 per year

Linux System Administrator

Remote

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Today

The DevOps Engineer / Linux Administrator supports and enhances enterprise Linux environments through automation, infrastructure management, CI/CD pipeline development, and system administration. This role is responsible for maintaining secure, reliable, and scalable Linux-based platforms while partnering with development, security, and operations teams to improve deployment efficiency, system performance, and operational stability. Key Responsibilities Administer, maintain, troubleshoot, and o

Full-time

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

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

Senior Linux System Administrator

Maryland

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10d 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 - 306502

Dahlgren, Virginia

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Today

Delaware Nation Industries is seeking a Linux System Administrator - Senior to provide advanced systems administration and engineering support for the Air Force Joint Worldwide Intelligence Communications System/Joint Interoperability Test and Services mission. This position will help maintain secure, resilient, and highly available Linux infrastructure across classified and unclassified environments supporting mission-critical operations. The Senior Linux System Administrator will serve as a t

Full-time

USD 120,000.00 - 125,000.00 per year

System Administrator Level 2 - (Linux, Unix, Windows)

Annapolis, Maryland

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Today

System Administrator Level 2 - (Linux, Unix, Windows) Clearance: TS/SCI - Polygraph required Position ID: 21-03-05-SA2 Location: Annapolis Junction, Maryland Description: Provides support for implementation, troubleshooting and maintenance of Information Technology (IT) systems. Manages IT system infrastructure and any processes related to these systems. Provides support to IT systems including day-to-day operations, monitoring and problem resolution for all of the client/server/storage/netwo

Full-time

USD 154,000.00 - 189,000.00 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

System Administrator Level 1 - (Linux, Unix, Windows)

Annapolis, Maryland

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Today

System Administrator Level 1 - (Linux, Unix, Windows) Clearance: TS/SCI - Polygraph required Position ID: 21-05-01-SA1 Location: Annapolis Junction, Maryland Description: Provides support for implementation, troubleshooting and maintenance of Information Technology (IT) systems. Manages IT system infrastructure and any processes related to these systems. Provides support to IT systems including day-to-day operations, monitoring and problem resolution for all of the client/server/storage/netwo

Full-time

USD 128,000.00 - 156,000.00 per year

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

Ohio

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Today

3dB Labs is seeking a skilled Linux System Administrator to join our corporate team supporting our growing mission. The ideal candidate is a self-starter with great interpersonal skills with the technical knowledge to go with it. Our work environment is dynamic and fast-paced with a focus on quick-reaction responses to our customers' needs. Our products are technically compelling, operationally relevant, and deployed around the globe. For the Linux System Admin role, the major list of duties in

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 System Administrator

Chantilly, Virginia

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Today

Leidos is seeking an experienced Linux Systems Engineer to provide support to a mission critical enterprise identity and access management system. A successful candidate will develop an understanding of the services offered to external organizations, provide lifecycle systems engineering support to development and operations on the program, and use a combination of technical and functional expertise to recommend solutions to satisfy customer requirements. This position requires the ability to wo

Full-time

USD 52,000.00 - 94,000.00 per year