Linux Administrator
The Backup and Recovery Specialist, Senior leads the architecture and governance of enterprise backup and recovery services that protect large, complex environments supporting mission-critical systems in a federal IT setting. This role owns the overall health, scalability, and resiliency of backup platforms, guiding design decisions for new workloads and disaster recovery strategies. The specialist acts as the highest-level escalation point for severe backup failures and high-risk restoration a…
Linux Administrator
The Backup and Recovery Specialist, Senior leads the architecture and governance of enterprise backup and recovery services that protect large, complex environments supporting mission-critical systems in a federal IT setting. This role owns the overall health, scalability, and resiliency of backup platforms, guiding design decisions for new workloads and disaster recovery strategies. The specialist acts as the highest-level escalation point for severe backup failures and high-risk restoration a…
SE Linux Based MLS SME Linux Administrator with Security Clearance
Cohere Technology Group LLC SE Linux Based MLS SME Linux Administrator Springfield, VA - Full Time Location: Springfield, VA Clearance: Must have active TS/SCI with CI Poly to apply Program Description: Cohere Technology provides Red Hat Enterprise Linux (RHEL) based High Performance Computing (HPC) services through the HPC lifecycle for computational requirements, architecture, acquisition, and operations to federal government customers. Our employees embrace automation, innovation, and are co…
Senior Linux Administrator (Top Secret/SCI Clearance ) with Security Clearance
What company will I be working for? You will be working for a national security services firm, providing cutting-edge services across DoD and other agencies. At Inflow, we believe in making it matter for every employee, every customer, and every mission we support. That means that we put employees first, providing both innovative benefits and great technology. Check out https://inflow-ns.com/inflowees to learn more about what it’s like to be an Inflowee. Who will I be working with? In support o…
Senior Linux Systems Administrator
Job ID: 2613857 Location: Princeton, NJ, US Date Posted: 2026-06-19 Category: Information Technology Subcategory: Sys Administrator Schedule: Full-Time Shift: Day Job Travel: No Minimum Clearance Required: None Clearance Level Must Be Able to Obtain: Public Trust Potential for Remote Work: ORA_ON_SITE Description SAIC is recruiting for a Senior Linux Systems Administrator to join our program as a general technologist to support our NOAA GFDL program in Princeton, NJ serving the NOAA GFDL lab in…
Senior Linux System Administrator
Job Number: R0234433 Linux System Administrator, Senior The Opportunity: Install systems on dedicated infrastructure, ensure the infrastructure is functional and available, and update and patch critical systems. Provide customers with insight into their network through monitoring and performance management. Identify problem areas and opportunities for improvement in a mission-critical network. Accomplish work without considerable direction. Join us. The world can't wait. You Have: 5 years of ex…
Linux Administrator (Classified Systems) - Active Secret Clearan with Security Clearance
About us One team. Global challenges. Infinite opportunities. At Viasat, we're on a mission to deliver connections with the capacity to change the world. For more than 35 years, Viasat has helped shape how consumers, businesses, governments and militaries around the globe communicate. We're looking for people who think big, act fearlessly, and create an inclusive environment that drives positive impact to join our team. What you'll do We are seeking a highly skilled and motivated Linux Administ…
Unix/Linux Administrator
JOB DESCRIPTION Watershed Security, is a Veteran Owned Small Business with over 20 years’ Cybersecurity and Government Contracting experience. Watershed is looking for a hands-on Unix/Linux Systems Administrator to support NSWCDD. ; onsite in Dahlgren, VA. REQUIRED QUALIFICATIONS Key Responsibilities Three (3) years of professional experience in UNIX and/or Linux System Administration of networks and software systems. Experience in system backup and recovery; basic software management; security…
Senior Linux Administrator
S enior Linux Administrator Location: Arlington, VA (On-Site) Citizenship: US only Clearance: Active TS/SCI (DHS EOD Suitability required ) Company: Argo Cyber Systems, LLC - Service-Disabled Veteran-Owned Small Business (SDVOSB) About Argo Cyber Systems Argo Cyber Systems provides mission-critical cybersecurity support to U.S. Government agencies and critical infrastructure owners nationwide. Our teams deliver rapid incident response , advanced forensics, and coordinated recovery operations to…
Senior Linux Administrator
Environment Hybrid commercial and government infrastructure (~1,000 Linux servers total, ~130 on the government side). Government environment is fully cloud-based; the new build is greenfield. Collaborative team culture that values engineers who ask questions, follow process, and work cross-functionally - not lone wolves. Senior-level Linux administration, especially RHEL and/or Oracle Linux Hands-on Microsoft Azure experience (infrastructure provisioning, not just identity administration) STIG…
Senior Linux Administrator
Ignite IT is seeking a very experienced, senior-level Red Hat Linux Admin/Engineer to join and provide dedicated support to the Unix Management Branch of the Computer Services Division on our contract with US Census Bureau. This is a mission-critical role responsible for the deployment, configuration, and operational support of the RHEL infrastructure. In addition to extensive knowledge of Linux, this role requires excellent customer service skills, as the Unix branch supports system owners and…
Windows & Linux Systems Administrator Staff
hackajob is collaborating with Lockheed Martin - US to connect them with exceptional professionals for this role. Description: This position is participating in our External Referral Program. If you know somebody who may be a fit, click here to submit a referral. If your referral is hired, you'll receive a $3000 payment! WHAT WE'RE DOING: Lockheed Martin, Cyber & Intelligence invites you to step up to one of today’s most daunting challenges: the evolving threat of cyber warfare. As a cyber secu…
Linux Administrator - ACAS
Job Title: Linux Administrator - ACAS Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI Employee Type: Regular Percentage of Travel Required: Up to 10% Type of Travel: Local * * * CACI IS THE WINNER of a long-term prime contract with the National Geospatial-Intelligence Agency (NGA) for Transport & Cybersecurity Services (TCS) contract. The functional capabilities are to provide the information technology (IT) infrastructure services required …
Linux Administrator 2
T-Rex is looking for a fully cleared Linux Administrator 2 to work on a program in the Fort Meade, Maryland area in support of the Intelligence Community. Responsibilities: Work in an environment where you can help design the architecture and develop solutions to meet organizational needs. Looking for an innovative, and motivated individual to join a small, talented, and hardworking Linux team in a hybrid cloud environment. This team creates, maintains, and troubleshoots Linux instances on mult…
Unix / Linux Administrator
Job Summary Engineering and administration of UNIX & Linux Systems Engineering and administration of Veritas products including Cluster Server, Volume Manager, File System / other clustering & replication technologies Execute Unix performance related utilities Engineering and administration of SUN/UNIX/ Linux based systems Administration of Sun hardware and software Administration of servers (experience with RedHat Linux, Solaris & AIX) Perform OS upgrades and patch installations Perform script…
Senior Linux Administrator
Job Description A client of Insight Global is looking to hire on a Linux Administrator to their team. This position will have a case load, from a customer support team they are taking a percentage of case types that are technical and dont involve content of the customer; 95% is going to be cases, and they will rotate in more project. Other big responsibilities of their job will be troubleshooting, problem solving, tracking down performance issue which are core pieces, creating knowledge artifac…
Linux Administrator - ACAS
Job Title: Linux Administrator - ACAS Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI Employee Type: Regular Percentage of Travel Required: Up to 10% Type of Travel: Local * * * CACI IS THE WINNER of a long-term prime contract with the National Geospatial-Intelligence Agency (NGA) for Transport & Cybersecurity Services (TCS) contract. The functional capabilities are to provide the information technology (IT) infrastructure services required …
Senior Linux Administrator
Company Overview: At ValidaTek, we modernize and optimize IT services to solve some of the most critical challenges facing federal civilian and defense agencies. From customers to partners to top-talent employees, ValidaTek puts people first, empowering them to exceed expectations and transform government organizations. Our success starts and ends with our people, so we built a company where great people can do great things, with the resources and autonomy to make decisions that transform organ…
Sr Linux Administrator
At Relativity Space, we’re building rockets to serve today’s needs and tomorrow’s breakthroughs. Our Terran R vehicle will deliver customer payloads to orbit, meeting the growing demand for launch capacity. But that’s just the start. Achieving commercial success with Terran R will unlock new opportunities to advance science, exploration, and innovation, pioneering progress that reaches beyond the known. Joining Relativity means becoming part of something where autonomy, ownership, and impact ex…
Principal Linux Administrator
Date Posted: 2026-06-15&xa;&xa; Country: United States of America Location: US-CA-EL SEGUNDO-E04 ~ 2006 E El Segundo Blvd ~ BLDG E04 Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: Active and transferable U.S. government issued security clearance is required prior to start date. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance Security Clearance Type: DoD Clearance: Top Secret Security Clearance Status: Active …