Senior Linux Administrator Jobs

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Senior Linux Administrator

ShorePoint, Inc

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Washington, District of Columbia, USA

Full-time

Who we are: ShorePoint is a fast-growing, industry recognized and award-winning cybersecurity services firm with a focus on high-profile, high-threat, private and public-sector customers who demand experience and proven security models to protect their data. ShorePoint subscribes to a work hard, play hard mentality and celebrates individual and company successes. We are passionate about our mission and going above and beyond to deliver for our customers. We are equally passionate about an enviro
Posted 28 days ago | Updated 7 hours ago

Senior Linux Administrator

General Dynamics

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Falls Church, Virginia, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: Secret Clearance Level Must Be Able to Obtain: Secret Public Trust/Other Required: None Job Family: Systems Administration Job Qualifications: Skills: Linux, Operating Systems Security, Red Hat Ansible, Red Hat Enterprise Linux (RHEL), Security Technical Implementation Guides (STIGs) Certifications: None Experience: 10 + years of related experience ship Required: Yes Job Description: Provide system administration support
Posted 1 day ago | Updated 2 hours ago

Senior Linux Administrator

Boeing Company

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Huntsville, Alabama, USA

Full-time

Senior Linux Administrator Company: The Boeing Company The Boeing Company is currently seeking a Senior Linux Administrator to join the team in Huntsville, AL. Step into the role of Senior Linux Administrator, where you will play a vital role in supporting multiple programs within the Boeing Information Digital Technology and Security (IDT&S) organization. In this dynamic position, you will leverage your expertise in Linux systems to ensure the reliability and performance of our infrastructure
Posted 10 days ago | Updated 2 hours ago

Senior Linux Administrator - TS/SCI w/Poly

Jacobs

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Linthicum Heights, Maryland, USA

Full-time

Your Impact: Are you interested in using your skills to help shape the Cyber, Security, & Intel space? If so, look no further. We are seeking an Senior Linux Administrator to join our team of passionate individuals on our Prime contract based out of Linthicum, Maryland. In this role you will support challenging, mission-critical projects that make a direct impact on the nation's security and intelligence mission. Responsibilities: Provides technical management, operations, and maintenance of sp
Posted 8 days ago | Updated 2 hours ago

Senior Systems Administrator (Linux/Windows)

Ledgent Technology

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Fremont, California, USA

Full-time

We are seeking a highly skilled Senior System Administrator to join our client's enterprise IT team, which is onsite in Fremont, CA. We are unable to consider 3rd party candidates. In this role, you will be responsible for maintaining, securing, and optimizing mission-critical systems and infrastructure across a complex, multi-site environment. You will take initiatives to improve performance, reliability, scalability, and security, including cloud services, servers, storage, virtualization, s
Easy Apply
Posted 13 days ago | Updated 2 hours ago

Sr Linux Systems Administrator

RTX Corporation

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McKinney, Texas, USA

Full-time

Date Posted: 2025-07-02 Country: United States of America Location: TX190: 2501 West University, McKinney 2501 West University , McKinney, TX, 75070 USA 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.Security Clearance: DoD Clearance: Secret At Raytheon, the foundation of everything we do is rooted in our values and a higher calling - to help our nation
Posted 2 days ago | Updated 1 hour ago

Sr Linux Systems Administrator

RTX Corporation

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El Segundo, California, USA

Full-time

Date Posted: 2025-07-02 Country: United States of America Location: CA222: 2006 E El Segundo Blvd BldgE04 2006 East El Segundo Boulevard Building E04, El Segundo, CA, 90245 USA 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.Security Clearance: DoD Clearance: Secret At Raytheon, the foundation of everything we do is rooted in our values and a higher calli
Posted 2 days ago | Updated 1 hour ago

Senior Linux System Administrator

Leidos

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Orlando, Florida, USA

Full-time

Are you an experienced Senior Linux System Administrator looking for your next challenge? Your search ends here! We have an exciting opportunity for you to support several Programs in the Orlando Area. Your expertise will guide the definition, implementation, and delivery of capability focused on Cyber Training systems and Synthetic Environment Generation. You'll have the chance to work with a broad range of systems, providing overall support for various critical systems. Join our team and make
Posted 2 days ago | Updated 1 hour ago

Sr Linux Systems Administrator

Raytheon

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McKinney, Texas, USA

Full-time

Date Posted: 2025-07-02 Country: United States of America Location: TX190: 2501 West University, McKinney 2501 West University , McKinney, TX, 75070 USA 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.Security Clearance: DoD Clearance: Secret At Raytheon, the foundation of everything we do is rooted in our values and a higher calling - to help our n
Posted 5 days ago | Updated 7 hours ago

Senior Systems Administrator (Linux/Windows)

GovCIO

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Remote

Full-time

Overview GovCIO is hiring for a Senior Systems Administrator (Linux and Windows) to provide on-going support for the administration of the core system applications and perform operational tasks such as monitoring system resources and perform routine maintenance tasks in support of 24x7 life cycle applications to include on-call support. Work location is in Washington, DC and will be a hybrid remote with periodic onsite customer work activities. Must be willing to work nights, have an active Sec
Posted 15 hours ago | Updated 10 hours ago

Senior Linux System Administrator

Zachary Piper Solutions, LLC

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Aberdeen Proving Ground, Maryland, USA

Full-time

Piper Companies is looking for a Senior Linux System Administrator to join DoD consulting company. This position is onsite in Aberdeen Proving Ground, MD. Essential Duties of the Sr Linux System Administrator: Install, configure, and support an organization's local area network (LAN), wide area network (WAN), and Internet systems or a segment of a network system.Monitor network to ensure network availability to all system users and may perform necessary maintenance to support network availabili
Posted 32 days ago | Updated 22 days ago

Senior Linux System Administrator

Zachary Piper Solutions, LLC

•

San Diego, California, USA

Full-time

Piper Companies is looking for a Senior Linux System Administrator to join DoD consulting company. This position is onsite in San Diego, CA. Essential Duties of the Sr Linux System Administrator: Install, configure, and support an organization's local area network (LAN), wide area network (WAN), and Internet systems or a segment of a network system.Monitor network to ensure network availability to all system users and may perform necessary maintenance to support network availability.May assist
Posted 32 days ago | Updated 22 days ago

Senior Systems Administrator (Linux and Windows)

General Dynamics

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Mary Esther, Florida, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: Interim Secret Clearance Level Must Be Able to Obtain: Top Secret/SCI Public Trust/Other Required: None Job Family: Systems Administration Job Qualifications: Skills: Linux, System Administration, Virtual Environments, Virtualization, VMware Certifications: None Experience: 3 + years of related experience ship Required: Yes Job Description: Job Description: Seize your opportunity to make a personal impact as a Senior S
Posted 5 days ago | Updated 2 hours ago

Senior Linux Systems Administrator

Cornerstone Defense

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No location provided

Full-time

Type: Contract Job #3699 Senior Linux Systems Administrator Aurora, CO Active TS/SCI with Poly Compensation Range: $125,000 - $145,000 Company Overview: Cornerstone Defense is the Employer of Choice within the Intelligence, Defense, and Space communities of the U.S. Government. Realizing early on that our most prized assets are our employees, we continually focus our attention on improving the overall work/life experience they have supporting the mission. Our Team is pushed every day to use thei
Posted 19 days ago | Updated 2 hours ago

Sr. Principal Linux System Administrator

Raytheon

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Aurora, Colorado, USA

Full-time

Date Posted: 2025-07-01 Country: United States of America Location: CO108: 16201 East Centretech Parkway 16201 East Centretech Parkway Building S78, Aurora, CO, 80011 USA 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.Security Clearance: TS/SCI with Polygraph Sr. Principal Linux System Administrator - Aurora, CO, must have an active TS/SCI CI Poly
Posted 6 days ago | Updated 7 hours ago

Senior Linux Systems Administrator - 10k Sign on Bonus

Leidos

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Annapolis, Maryland, USA

Full-time

Leidos has a new and exciting opportunity for a Senior Linux Systems Administrator in our National Security Sector's (NSS) Cyber & Analytics Business Area (CABA). Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management. At Leidos, we offer competitive benefits, including Paid Time Off, 11 paid Holidays, 401K with a 6% company match and immed
Posted 38 days ago | Updated 1 hour ago

Senior Linux Systems Administrator

Leidos

•

Annapolis, Maryland, USA

Full-time

Leidos has a new and exciting opportunity for a Senior Linux Systems Administrator in our National Security Sector's (NSS) Cyber & Analytics Business Area (CABA). Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management. At Leidos, we offer competitive benefits, including Paid Time Off, 11 paid Holidays, 401K with a 6% company match and immed
Posted 52 days ago | Updated 1 hour ago

Senior Linux Systems Administrator

Leidos

•

Columbia, Maryland, USA

Full-time

Leidos has a new and exciting opportunity for a Senior Linux Systems Administrator in our National Security Sector's (NSS) Cyber & Analytics Business Area (CABA). Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management. At Leidos, we offer competitive benefits, including Paid Time Off, 11 paid Holidays, 401K with a 6% company match and immed
Posted 52 days ago | Updated 1 hour ago

Senior Linux System Administrator

Booz Allen Hamilton

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Columbia, Maryland, USA

Full-time

Job Number: R0219640 Linux System Administrator, Senior The Opportunity: Your technical expertise makes you the team hero, solving one problem after another. What if you could use those skills to improve the technology supporting the Department of Defense? We're looking for a Cross Domain Platform System Administrator to help us design, deploy, and maintain Cross Domain Solutions for an enterprise environment that supports critical cybersecurity mission customers. As a Linux system administrato
Posted 60+ days ago | Updated 2 hours ago

Senior Red Hat Linux Administrator Consultant- Hybrid Annapolis, MD

Stellar IT Solution

•

Annapolis, Maryland, USA

Contract, Third Party

5/5/2025 @4:30PM EST Position: Senior Red Hat Linux Administrator Consultant - PORFP K23-0094-25L-7 Location: 189 Harry S Truman Parkway, Annapolis, MD 21401 Onsite/ Remote: Hybrid Duration: Long-Term Submission Limit: 1 Can submit 1 candidate Must provide copy of degree & other evidence (i.e. transcript) Must provide copy of resources' Red Hat Certified Systems Administrator certification Signed Attachment O Resource Acknowledgement 2 days remote, 3 days on-site (Hybrid) Summary The AOC
Easy Apply
Posted 60+ days ago | Updated 8 hours ago