Linux System Engineer jobs

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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24d 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

Easy Apply

Contract

36+

Linux System Administrator

Aliso Viejo, California

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5d 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

Easy Apply

Full-time

Depends on Experience

System Administrator (Linux)

Huntsville, Alabama

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Today

Job Title: System Administrator (Linux) Location: Huntsville, AL Description: Crossflow Technologies is seeking applicants for an experienced Systems Administrator providing direct-user support in both Linux and Windows environments. The selected applicant will provide full systems administration and user support to local and remote users performing business administration and advanced software development environments. The selected candidate will manage users, groups and accounts; administer t

Full-time

USD 8.23 per hour

Linux System Administrator

Hybrid in Colorado Springs, Colorado

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Today

Job Number: R0251731 Linux System Administrator The Opportunity: Your combination of people skills and system administrator knowledge makes you the team hero, solving one problem after another. What if you could use those skills to improve the technology supporting our clients? We're looking for a Linux system administrator who spe cia lizes in compliance with industry standard information security controls. As a system administrator on our team, you'll leverage your extensive experience with

Full-time

USD 61,900.00 - 141,000.00 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

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

Easy Apply

Full-time

$90000 - $110000

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

Senior Linux System Administrator

Maryland

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16d 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

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 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: 21-11-01-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

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

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

Linux System Administrator

Huntsville, Alabama

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Today

INTUITIVE is a nationally recognized Best Place to Work that provides solutions from design through production to sustainment by delivering targeted results. Our approach couples the latest technology with engineering expertise and analytical proficiency while remaining true to genuine customer relationships and a culture that fosters growth and opportunity. Our diverse portfolio of capabilities and extensive customer base allows our employees countless opportunities to pursue their passions an

Full-time

System Administrator 2 - (Linux, Kubernetes, Ansible)

Fort Meade, Maryland

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Today

System Administrator 2 - (Linux, Kubernetes, Ansible) Clearance: TS/SCI - Polygraph required Position ID: 11-8867-SA2 Location: Fort Meade, Maryland Description: Provide support for implementation, troubleshooting and maintenance of IT systems Provide Tier 1 (Help Desk) problem identification, diagnosis and resolution of problems Manage the daily activities of configuration and operation of IT systems Provide assistance to users in accessing and using IT systems Provide Tier 1 (Help Desk) and

Full-time

USD 137,000.00 - 167,000.00 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

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

Linux System Administrator - active Top Secret required

Washington, District of Columbia

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Today

Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret Clearance Level Must Be Able to Obtain: Top Secret/SCI Public Trust/Other Required: None Job Family: IT Infrastructure and Operations Job Qualifications: Skills: Backup and Recovery (Software), Critical Systems, Information Technology (IT) Infrastructure Certifications: None Experience: 5 + years of related experience ship Required: Yes Job Description: Linux Administrator Advance how our customers operate wh

Full-time

USD 107,744.00 - 126,500.00 per year