Principal Linux Systems Administrator Jobs

21 - 40 of 2,235 Jobs

Linux Systems AdministratorJob Title - Linux Systems Administrator

NTT DATA Americas, IncCompany Name - NTT DATA Americas, Inc

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Remote or Canton, Massachusetts, USA

Contract

Company Overview: Req ID: 331085 NTT DATA strives to hire exceptional, innovative and passionate individuals who want to grow with us. If you want to be part of an inclusive, adaptable, and forward-thinking organization, apply now. NTT DATA's Client is currently seeking a Linux Systems Administrator to join their team in REMOTE, Massachusetts (US-MA), United States (US). Job Description: Daily Responsibilities System Replacement Advisory Services. Develop system replacement approach and plan for

Linux Systems AdministratorJob Title - Linux Systems Administrator

RTX CorporationCompany Name - RTX Corporation

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McKinney, Texas, USA

Full-time

Date Posted: 2025-07-07 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

Linux Systems AdministratorJob Title - Linux Systems Administrator

General DynamicsCompany Name - General Dynamics

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Huntsville, Alabama, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: None Clearance Level Must Be Able to Obtain: None Public Trust/Other Required: None Job Family: Systems Administration Job Qualifications: Skills: Active Directory (AD), Apache HTTP Server, Linux, Linux Command, Ubuntu Linux Server Certifications: None Experience: 3 + years of related experience ship Required: No Job Description: Primary Responsibilities: Daily security related administration of approximately 200 Linux

Linux Systems AdministratorJob Title - Linux Systems Administrator

General DynamicsCompany Name - General Dynamics

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Patterson, Ohio, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret Clearance Level Must Be Able to Obtain: Top Secret SCI + Polygraph Public Trust/Other Required: None Job Family: Systems Administration Job Qualifications: Skills: Complex Systems, HPC, Linux System Administration Certifications: None Experience: 8 + years of related experience ship Required: Yes Job Description: Transform technology into opportunity as a Linux Systems Administrator with GDIT. A career in ent

Senior Linux Systems AdministratorJob Title - Senior Linux Systems Administrator

Cornerstone DefenseCompany Name - 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

Linux Systems AdministratorJob Title - Linux Systems Administrator

Lockheed Martin CorporationCompany Name - Lockheed Martin Corporation

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Fayetteville, North Carolina, USA

Full-time

Job Description You will be a Linux System Administrator for our IT Team. Our team is responsible for administering and provisioning Linux desktop and server environments to support our organization's operations. What You Will Be Doing As a Linux System Administrator, you will be responsible for managing and maintaining our Linux infrastructure, including Debian and Ubuntu distributions. You will administer virtualization platforms, manage repositories and servers, and deploy and administer c

Lead Systems Analyst - Linux Systems AdministratorJob Title - Lead Systems Analyst - Linux Systems Administrator

Cleveland ClinicCompany Name - Cleveland Clinic

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Cleveland, Ohio, USA

Full-time

At Cleveland Clinic Health System, we believe in a better future for healthcare. And each of us is responsible for honoring our commitment to excellence, pushing the boundaries and transforming the patient experience, every day. We all have the power to help, heal and change lives - beginning with our own. That's the power of the Cleveland Clinic Health System team, and The Power of Every One. Job Title Lead Systems Analyst - Linux Systems Administrator Location Cleveland Facility Cleveland Cl

Linux Systems Administrator, Senior - Top Secret Clearance RequiredJob Title - Linux Systems Administrator, Senior - Top Secret Clearance Required

American Systems CorporationCompany Name - American Systems Corporation

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Crane, Indiana, USA

Full-time

Overview AMERICAN SYSTEMS is an employee-owned federal government contractor supporting national priority programs through our strategic solutions in the areas of Information Technology, Test & Evaluation, Program Mission Support, Engineering & Analysis, and Training. Responsibilities This job requisition is for potential upcoming work at AMERICAN SYSTEMS and does not represent a current opening. Qualified candidates will be contacted when the work becomes available. As a Senior Linux Syst

Linux Systems Administrator, Staff - Top Secret Clearance RequiredJob Title - Linux Systems Administrator, Staff - Top Secret Clearance Required

American Systems CorporationCompany Name - American Systems Corporation

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Crane, Indiana, USA

Full-time

Linux Systems Administrator, Sr / Onsite: Huntsville, ALJob Title - Linux Systems Administrator, Sr / Onsite: Huntsville, AL

Lockheed Martin CorporationCompany Name - Lockheed Martin Corporation

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Huntsville, Alabama, USA

Full-time

Job Description Our employees are the core of everything we do, and they are helping the future arrive. As a leading technology innovation company, our team of over 100,000 employees work with our partners around the world to bring the latest technology to our customers' toughest challenges. Headquartered in Bethesda, Maryland, US, Lockheed Martin has employees based in all 50 states and more than 570 facilities that span 70 countries. Lockheed Martin Enterprise Operations (EO) is actively see

FSL Linux Systems AdministratorJob Title - FSL Linux Systems Administrator

JacobsCompany Name - Jacobs

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Houston, Texas, USA

Full-time

Are you passionate about human space exploration, understanding the origins of the universe, and working with a passionate and diverse team to make a difference? If you are, we need you! We need your talent, teamwork, and energy to help us achieve great things that inspire people all over the globe. We need you to bring creative ideas and diverse backgrounds to help us envision, shape, and deliver systems that will enable the exploration of space while benefiting people here on Earth. We are exc

Linux Systems Administrator (Tier I)Job Title - Linux Systems Administrator (Tier I)

American Systems CorporationCompany Name - American Systems Corporation

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Arlington, Virginia, USA

Full-time

Overview AMERICAN SYSTEMS is a 100% employee-owned federal government contractor supporting national priority programs through our strategic solutions in the areas of Information Technology, Test & Evaluation, Program Mission Support, Engineering & Analysis, and Training. Responsibilities This job requisition is for potential upcoming work at AMERICAN SYSTEMS and does not represent a current opening. Qualified candidates will be contacted when the work becomes available. As a Tier I Linux S

Linux Systems Administrator, Sr / Secret / Onsite: Sunnyvale, CAJob Title - Linux Systems Administrator, Sr / Secret / Onsite: Sunnyvale, CA

Lockheed Martin CorporationCompany Name - Lockheed Martin Corporation

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Sunnyvale, California, USA

Full-time

Job Description Join our Lockheed Martin team! Our employees are the core of everything we do, and they are helping the future arrive. As a leading technology innovation company, our team of over 100,000 people works with partners around the world to bring proven performance to our customers' toughest challenges. Headquartered in Bethesda, MD, Lockheed martin has employees based in all 50 states and more than 570 facilities that span more than 70 countries. We are hiring a Linux System Adminis

Senior Systems Administrator (Linux/Windows)Job Title - Senior Systems Administrator (Linux/Windows)

GovCIOCompany Name - 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

Senior Systems Administrator (Windows/Linux)Job Title - Senior Systems Administrator (Windows/Linux)

American Systems CorporationCompany Name - American Systems Corporation

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Washington, District of Columbia, USA

Full-time

Overview AMERICAN SYSTEMS is an employee-owned federal government contractor supporting national priority programs through our strategic solutions in the areas of Information Technology, Test & Evaluation, Program Mission Support, Engineering & Analysis, and Training. THIS POSITION INCLUDES A $5,000 SIGN-ON BONUS! Responsibilities As a Senior Systems Administrator, you will: Support on-premises Windows and Linux infrastructure and applications.Provide Tier II support for production and devel

Principal Engineer - Cloud and Linux/Windows SystemsJob Title - Principal Engineer - Cloud and Linux/Windows Systems

Ledgent TechnologyCompany Name - Ledgent Technology

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Bloomington, Minnesota, USA

Full-time

Job Title: Principal Engineer - Cloud and Linux/Windows Systems Location: Hybrid Remote (3 days onsite in Bloomington, MN); candidates must be based in the Minneapolis-St. Paul, MN metro area Salary Range: $120,000-$155,000 + bonus (based on education, experience, and skills) Note: Sponsorship is not available for this position. This is a Direct hire/FTE W2 role and candidates must be eligible to work without sponsorship both now and in the future. Summary: Our client is seeking a seasoned P

Senior Systems Administrator (Linux and Windows)Job Title - Senior Systems Administrator (Linux and Windows)

General DynamicsCompany Name - 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

LINUX Sr Principal Systems Engineer - Active Top Secret RequiredJob Title - LINUX Sr Principal Systems Engineer - Active Top Secret Required

General DynamicsCompany Name - General Dynamics

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Washington, District of Columbia, USA

Full-time

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: Systems Engineering Job Qualifications: Skills: Computer Engineering, Linux, Red Hat Enterprise Linux (RHEL) Certifications: None Experience: 10 + years of related experience ship Required: Yes Job Description: Job Description Senior Principal Systems Engineer - Linux Design, deploy, integrate and maintain Li

Systems Administrator (Windows / Linux) / Hybrid: Highlands Ranch, COJob Title - Systems Administrator (Windows / Linux) / Hybrid: Highlands Ranch, CO

Lockheed Martin CorporationCompany Name - Lockheed Martin Corporation

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Remote or Highlands Ranch, Colorado, USA

Full-time

Job Description Lockheed Martin's Enterprise Business & Digital Transformation (EBDT) organization employees are the core of everything we do, and they are helping the future arrive. As a leading technology innovation company, our team of over 100,000 people works with partners around the world to bring proven performance to our customers' toughest challenges. Headquartered in Bethesda, MD, Lockheed Martin has employees based in all 50 states and more than 570 facilities that span 70 countries.

Systems Administrator - Linux Application SupportJob Title - Systems Administrator - Linux Application Support

Morgan StanleyCompany Name - Morgan Stanley

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Alpharetta, Georgia, USA

Full-time

In the Technology division, we leverage innovation to build the connections and capabilities that power our Firm, enabling our clients and colleagues to redefine markets and shape the future of our communities. This is a Cloud & Infrastructure Engineering II position at the Associate level, which is part of the job family responsible for managing and optimizing technical infrastructure and ensuring the seamless operation of IT systems to support business needs effectively. Morgan Stanley is an