Linux System Engineer jobs

Sr. System Administrator / Dev Ops - Linux Kubernetes

Linthicum Heights, Maryland

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Today

Red Arch Solutions is seeking a Senior Systems Administrator to support a software development / engineering project looking to productize their system. Qualifications: Contractor will be supporting an IC wide mission environment / service. Minimum of 10 years experience as a Linux System Admin / Eng. Required: Linux - (CentOS/RHEL) Linux admin experience. Kubernetes based environment. Red Hat Certification desired Required: Kubernetes (K8's) experience; specifically tooling and container funda

Full-time

USD 180,000.00 - 205,000.00 per year

Linux System Administrator

Plano, Texas

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Yesterday

Job#: 3052050 Job Description: Linux System Administrator Location: Plano, Texas (Hybrid) Role Overview This position involves leading the administration, monitoring, and performance tuning of Oracle Enterprise Linux (OEL) environments within a large-scale enterprise ecosystem. The role will oversee the design, build, and lifecycle management of Linux servers and drive the implementation of Site Reliability Engineering (SRE) principles to improve system resilience and automation. Key Responsi

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Full-time

$63 - $68 per hour

Sr. System Administrator/DevOps - Linux Kubernetes

Annapolis, Maryland

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Today

Support high visibility mission environment. Support a software development/engineering project looking to productize their system. Contractor will be supporting an IC wide mission environment/service. Requirements TS/SCI FSP Clearance Candidates who currently hold or recently held SYS3 PRIVAC level desired. If SYS3 is not current, candidate will need to put in for SYS3 10 years experience as a Linux System Admin/Eng. Linux (CentOS/RHEL) admin experience Kubernetes based environment RedHat Cert

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

System Administrator - Windows/Linux

Houston, Texas

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Yesterday

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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15d 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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Yesterday

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 System Administrator Level 2 (Fort Meade, MD)

Fort Meade, Maryland

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Today

Linux System Administrator Level 2 Location: Fort Meade, MD Employment Type : Full-Time Clearance: TS/SCI with Full Scope Polygraph Salary Range: $115,000 to $130,000 per year OTA is seeking System Administrators to provide support for implementation, troubleshooting and maintenance of Information Technology (IT) systems. Our System Administrators will manage IT systems including day-to-day operations, monitoring and problem resolution for all of the client/server/storage/network devices. If yo

Full-time

USD 115,000.00 - 130,000.00 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 Systems Engineer

Arlington, Virginia

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Today

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/ 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

Easy Apply

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

Linux System Administrator (Mid-Level or Senior) **Sign on Bonus Potential**

Berkeley, Missouri

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Today

Linux System Administrator (Mid-Level or Senior) **Sign on Bonus Potential** Company: The Boeing Company The Boeing Company is currently seeking a Linux System Administrator (Mid-Level or Senior) to join the Specialized United States Infrastructure Operations Organization team in Berkeley, MO. This position will install, operate, secure and maintain dedicated Program Information Technology Infrastructure that is required to deliver products to our customers. As a Windows Administrator, your e

Full-time

USD 96,050.00 - 129,950.00 per year

Senior Linux System Administrator

Maryland

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7d 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: 21-11-03-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