Showing page 15 of 337 (Total listings: 6737)

Linux System Administrator

Leidos ✓ Verified
Direct Apply
Jefferson Manor, Fairfax County
Sep 19, 2026

Description _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…

Linux System Administrator

Nightwing ✓ Verified
Direct Apply
Fort Myer, Arlington County
Aug 26, 2026

Arlington, VA Full time JR100893 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 compet…

Linux System Administrator

Tier4 Group ✓ Verified
Direct Apply
Natick, Middlesex County
May 12, 2026

Linux Systems Administrator 6 Month Contract Hybrid in Natick, MA Key Responsibilities:  Linux System Management: Manage and maintain 1000 Unix/Linux cases across the organization, ensuring operational efficiency and security compliance. Serve as the primary Systems Administrator for Linux Endpoints, including servers and workstations, ensuring full compliance with company policies and procedures. Monitor and support Linux-based systems to ensure optimal performance, security, and reliability.…

Linux Systems Administrator

Nightwing Intelligence Solutions ✓ Verified
Direct Apply
Sterling, Loudoun County
Oct 16, 2026

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 t…

Linux Automation Administrator

Applied Information Sciences ✓ Verified
Direct Apply
Linthicum Heights, Anne Arundel County
Oct 8, 2026

Why AIS? When you join AIS, you’re joining a mission-driven team that’s passionate about making a difference. You’ll work on projects that matter, alongside industry-leading experts, in an environment that fosters innovation, driving client success, and empowering our team to make a lasting impact. As an employee-owned company, we value collaboration, inclusivity, continuous growth, and shared success. Employee Ownership : Your contributions directly impact the company’s success, and you share …

Linux System Administrator

E&M Technologies ✓ Verified
Direct Apply
Chantilly, Fairfax County
Oct 9, 2026

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’ mission and quest for…

Linux System Administrator

Peterson Technologies ✓ Verified
Direct Apply
Annapolis Junction, Anne Arundel County
Feb 5, 2026

Peterson Technologies has been the premier resource for mission-critical solutions through detailed analysis, strategic insight, extensive operational experience, and technical expertise. Today, we provide leading-edge data, network security software, and expert guidance to reduce exposure to information theft and augment protections for our customers systems. If you are looking to join a company that provides amazing benefits, a healthy work-life balance, competitive salaries, and talented sub…

Linux System Administrator

GIGATEC Engineering ✓ Verified
Direct Apply
Annapolis Junction, Anne Arundel County
Oct 15, 2026

Perks and Benefits 100% Paid Healthcare 10% 401k in every paycheck 100% Fully Vested NOTE – Our positions require a Top Secret clearance , as well as the favorable completion of a polygraph . Applicants must be authorized to work in the U.S . We are unable to sponsor an employment Visa. What You’ll Be Doing (We don’t love the bullet points, but we love the work!) As the Linux System Administrator, you'll get to be part of a team responsible for providing support for a large-scale Linux system i…

Linux System Administrator

GIGATEC Engineering ✓ Verified
Direct Apply
Savage, Anne Arundel County
Oct 21, 2026

Perks and Benefits 100% Paid Healthcare 10% 401k in every paycheck 100% Fully Vested NOTE – Our positions require a Top Secret clearance , as well as the favorable completion of a polygraph . Applicants must be authorized to work in the U.S . We are unable to sponsor an employment Visa. What You’ll Be Doing (We don’t love the bullet points, but we love the work!) As the Linux System Administrator, you'll get to be part of a team responsible for providing support for a large-scale Linux system i…

Linux Systems Administrator

EverWatch ✓ Verified
Direct Apply
Savage, Anne Arundel County
Jun 17, 2026

EverWatch is a government solutions company providing advanced defense, intelligence, and deployed support to our country’s most critical missions. We are a full-service government solutions company. Harnessing the most advanced technology and solutions, we strengthen defenses and control environments to preserve continuity and ensure mission success. EverWatch employees are focused on tackling the most difficult challenges of the US Government. We offer the best salaries and benefits packages …

Linux Systems Administrator

EverWatch ✓ Verified
Direct Apply
Hampton City, Virginia
Oct 14, 2026

EverWatch is a government solutions company providing advanced defense, intelligence, and deployed support to our country’s most critical missions. We are a full-service government solutions company. Harnessing the most advanced technology and solutions, we strengthen defenses and control environments to preserve continuity and ensure mission success. EverWatch employees are focused on tackling the most difficult challenges of the US Government. We offer the best salaries and benefits packages …

Linux System Administrator

3dB Labs ✓ Verified
Direct Apply
Pisgah, Butler County
Aug 21, 2026

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…

Linux Systems Administrator

Nightwing ✓ Verified
Direct Apply
Sterling, Loudoun County
Oct 17, 2026

Hybrid Sterling, VA Full time JR102179 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 …

Linux System Administrator

Teledyne Technologies ✓ Verified
Direct Apply
Huntsville, Madison County
Sep 13, 2026

Be visionary Teledyne Technologies Incorporated provides enabling technologies for industrial growth markets that require advanced technology and high reliability. These markets include aerospace and defense, factory automation, air and water quality environmental monitoring, electronics design and development, oceanographic research, deepwater oil and gas exploration and production, medical imaging and pharmaceutical research. ​ We are looking for individuals who thrive on making an impact and…

Linux Systems Administrator

Quevera ✓ Verified
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Savage, Anne Arundel County
Oct 22, 2026

Job Description: Quevera is seeking a Linux Systems Administrator with an active TS/SCI clearance with Polygraph in Annapolis Junction, Maryland . This role supports the operation and maintenance of Linux servers, virtual machines, shared storage, identity services, and network infrastructure across classified and unclassified environments. Job Responsibilities: Administer Oracle Linux 8, 9, and 10 systems, including installation, configuration, patching, monitoring, and troubleshooting. Manage…

Linux System Administrator

Set of X ✓ Verified
Direct Apply
Savage, Anne Arundel County
Oct 17, 2026

All positions require an active clearance. WE ARE HIRING OWNERS Set of X is led by industry veterans who see government contracting as a good community with plenty of opportunity to go around. With a shared desire to give back, grow the community, and do great work, the Set of X team is building an elite group of engineers with a strong sense of shared responsibility and ownership Because who you work with matters. ________________________________________________________________________ Set of …

Linux Systems Administrator

Nightwing Intelligence Solutions ✓ Verified
Direct Apply
Sterling, Loudoun County
Oct 16, 2026

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 t…

Linux System Administrator

Intuitive Research and Technology Corporation ✓ Verified
Direct Apply
Huntsville, Madison County
Sep 20, 2026

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 a…

Linux Systems Administrator

Nightwing ✓ Verified
Direct Apply
Sterling, Loudoun County
Oct 17, 2026

Onsite Customer Sterling, VA Full time JR102183 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, agil…

Linux Systems Administrator

Fuse Engineering ✓ Verified
Direct Apply
Laurel, Prince George's County
Aug 2, 2024

Patching servers and workstations with Red Hat Satellite server STIG compliance applied to all machines (assuming it makes sense to do so) Maintaining STE compliance (SEAR logs, UAM reporting, McAfee reporting, Nessus Agent scanning) Work with ESXi and vCenter to ensure virtual machines are patched and that VMs are running smoothly for end user developers and testers Assist with Cisco firewall, router and switch compliance Account requests, password resets, resolving login issues Occasional int…

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