Principal Linux Systems Administrator Jobs

181 - 200 of 2,312 Jobs

Systems AdministratorJob Title - Systems Administrator

General Dynamics Information TechnologyCompany Name - General Dynamics Information Technology

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Bluemont, Virginia, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret/SCI Clearance Level Must Be Able to Obtain: Top Secret SCI + Polygraph Public Trust/Other Required: None Job Family: Systems Administration Job Qualifications: Skills: EMC Storage Area Network (SAN) Administration (Inactive), Unix System Administration, Windows System Administration Certifications: None Experience: 5 + years of related experience ship Required: Yes Job Description: Transform technology into o

Systems AdministratorJob Title - Systems Administrator

Apex SystemsCompany Name - Apex Systems

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El Segundo, California, USA

Full-time

Job#: 2037008 Job Description: Apex Systems is seeking a Systems Administrator to design, install, operate, secure and maintain dedicated Program Information Technology Infrastructure. The environment consists of multiple sites and networks with servers and High Performance Computing Clusters running Red Hat Linux in multiple locations around the U.S. and growing. Future expansion will include WNDRVR VxWorks embedded Linux operation systems. Linux and Windows servers host engineering application

Modernization Cyber Systems Administrator - SA1Job Title - Modernization Cyber Systems Administrator - SA1

Lockheed Martin CorporationCompany Name - Lockheed Martin Corporation

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Maryland, USA

Full-time

Job Description Who You Are: Here, you are going to provide life-cycle services to advance mission in support of Cybersecurity and SIGINT midpoint collection. You will modernize and sustain capabilities to include providing new features and enhancements to Front End Solutions systems. This will allow for products to work at-scale with processing of target communications across multiple types of Midpoint accesses. You will propel the customer into the next phase of product suite modernization by

Senior Red Hat Systems AdministratorJob Title - Senior Red Hat Systems Administrator

Harris CorporationCompany Name - Harris Corporation

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Anaheim, California, USA

Full-time

L3Harris is dedicated to recruiting and developing 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 professional growth. L3Harris provides an inclusive, engaging environment designed to empower employees and promote work-life success. Fundamental to our culture is an unwavering focus on values, dedication to our communities, and commitment to excellence in everything we do. L3Harris Technologie

Senior Systems AdministratorJob Title - Senior Systems Administrator

Veeva SystemsCompany Name - Veeva Systems

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Phoenix, Arizona, USA

Full-time

Veeva Systems is a mission-driven organization and pioneer in industry cloud, helping life sciences companies bring therapies to patients faster. As one of the fastest-growing SaaS companies in history, we surpassed $2B in revenue in our last fiscal year with extensive growth potential ahead. At the heart of Veeva are our values: Do the Right Thing, Customer Success, Employee Success, and Speed. We're not just any public company - we made history in 2021 by becoming a public benefit corporation

Linux Systems AdminJob Title - Linux Systems Admin

Mako ProfessionalsCompany Name - Mako Professionals

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Tampa, Florida, USA

Full-time, Contract

Systems Administrator - Contract to Hire Start Date: 06/09/2025 Duration: 3 Months Location:Tampa, FL Schedule: First month will be on-site 5 days per week. Months two and three have the ability for a hrybrid schedule (2 days remote). Overview: This role will focus on ensuring the reliability, availability, and data integrity of Windows and Linux systems. Key Responsibilities: Manage Active Directory (AD) administration. Oversee Identity and Access Management (IAM) solutions. Support and ma

Junior Systems Administrator // MSPJob Title - Junior Systems Administrator // MSP

Motion Recruitment Partners, LLCCompany Name - Motion Recruitment Partners, LLC

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Philadelphia, Pennsylvania, USA

Full-time

Job Description A Wilmington, DE-based IT consulting company is seeking a Junior Systems Administrator to join their growing team. This is an excellent opportunity for a technically skilled and motivated individual early in their IT career to gain hands-on experience supporting diverse client environments across various industries. In this client-facing role, you will assist in the deployment, maintenance, and support of IT infrastructure solutions, both on-premises and in the cloud. Under the

Senior Systems AdministratorJob Title - Senior Systems Administrator

LeidosCompany Name - Leidos

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Laurel, Maryland, USA

Full-time

Leidos has a new and exciting opportunity for a Senior 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 immediate v

Systems Administrator / Top Secret / Onsite: Arlington, VAJob Title - Systems Administrator / Top Secret / Onsite: Arlington, VA

Lockheed Martin CorporationCompany Name - Lockheed Martin Corporation

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Arlington, Virginia, USA

Full-time

Job Description The Advanced Concepts Lab (ACL) at Lockheed Martin's Advanced Technology Laboratories (ATL) is seeking an IT Systems Engineer/Systems Administrator with a demonstrated ability to independently develop solutions to systems administration challenges in heterogeneous computing environments. The selected candidate will serve as a system and network administrator for multiple program and internal R&D systems that support the research and development activities carried out by ACL's en

Sr. Systems AdministratorJob Title - Sr. Systems Administrator

RTX CorporationCompany Name - RTX Corporation

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Tucson, Arizona, USA

Full-time

Date Posted: 2025-06-19 Country: United States of America Location: AZ888: RMS AP Bldg 928 1151 East Hermans Road Building 928, Tucson, AZ, 85706 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: Top Secret At Raytheon, the foundation of everything we do is rooted in our values and a higher calling - to help our nation

NAVAIR Systems AdministratorJob Title - NAVAIR Systems Administrator

American Systems CorporationCompany Name - American Systems Corporation

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Maryland, 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 System Administrator with demonstrated experience performing System Administration functions on Aircraft or Weapons Systems networks, and maintaining and upgrading network infrastructures across the NAVAIR commu

Advanced Systems Administration Specialist & DevOps AdministratorJob Title - Advanced Systems Administration Specialist & DevOps Administrator

General DynamicsCompany Name - General Dynamics

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Dedham, Massachusetts, USA

Full-time

Basic Qualifications Bachelor's degree in Computer Science, a related field or equivalent experience is required plus a minimum of 5 years of relevant experience; or Master's degree plus 3 years of relevant experience. CLEARANCE REQUIREMENTS: Department of Defense Secret security clearance is required at time of hire. Applicants selected will be subject to a U.S. Government security investigation and must meet eligibility requirements for access to classified information. Due to the nature of w

Platform Systems Engineer/Architect, Associate PrincipalJob Title - Platform Systems Engineer/Architect, Associate Principal

American Systems CorporationCompany Name - American Systems Corporation

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Arlington, Virginia, 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 an Associate Principal Platform Systems Engineer/Architect, you will: Design, develop, and maintain scalable, secure computing platforms across cloud and on-pre

DevOps Systems Administrator, IIJob Title - DevOps Systems Administrator, II

Parsons Services CompanyCompany Name - Parsons Services Company

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Quantico, Virginia, USA

Full-time

In a world of possibilities, pursue one with endless opportunities. Imagine Next! When it comes to what you want in your career, if you can imagine it, you can do it at Parsons. Imagine a career working with exceptional people sharing a common quest. Imagine a workplace where you can be yourself. Where you can thrive. Where you can find your next, right now. We've got what you're looking for. Job Description: As a DevOps Systems Administration Engineer at Parsons, your goal will be to ensure

Senior Principal Systems EngineerJob Title - Senior Principal Systems Engineer

RTX CorporationCompany Name - RTX Corporation

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Aurora, Colorado, USA

Full-time

Date Posted: 2025-07-01 Country: United States of America Location: CO112: Buckley AFB 18500 East 6th Ave 18500 East 6th Avenue Buckley AFB, 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 The selected candidate will be a member of a specialized engineering team responsible for ensuring and m

Linux Administrator - Scripting (SA2) (Government)Job Title - Linux Administrator - Scripting (SA2) (Government)

AT&T Inc.Company Name - AT&T Inc.

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Columbia, Maryland, USA

Full-time

Job Description: AT&T Global Public Sector is a trusted provider of secure, IP enabled, cloud-based, network solutions and professional services to the Federal Government. We are dedicated to recruiting, developing and empowering a diverse, high-performing workforce that is passionate about what they do, committed to our shared values and dedicated to our customers' mission. Intelink Services provide interagency information sharing, content discovery, and collaboration capabilities on the IC s

Modernization Cyber Systems Administrator - SA2Job Title - Modernization Cyber Systems Administrator - SA2

Lockheed Martin CorporationCompany Name - Lockheed Martin Corporation

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Maryland, USA

Full-time

Job Description The Work: We are seeking professionals interested in Systems Administration. Here, you are going to provide life-cycle services to advance mission in support of Cybersecurity and SIGINT midpoint collection. You will modernize and sustain capabilities to include providing new features and enhancements to Front End Solutions systems. This will allow for products to work at-scale with processing of target communications across multiple types of Midpoint accesses. You will propel t

Systems Administrator IIJob Title - Systems Administrator II

Robert HalfCompany Name - Robert Half

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Indianapolis, Indiana, USA

Contract

Description We are looking for a dedicated Systems Administrator II to join our team in Indianapolis, Indiana. In this long-term contract role, you will play a critical part in ensuring the stability, performance, and security of our IT systems and infrastructure. This position requires a technical expert who can work independently on moderately complex projects while collaborating effectively with colleagues and stakeholders. Key Responsibilities Systems Administration Administer Windows Serv

Desktop Systems AdministratorJob Title - Desktop Systems Administrator

General DynamicsCompany Name - General Dynamics

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Florida, USA

Full-time

This is an unpaid fellowship through the Department of Defense (DoD) SkillBridge Program. The fellow selected for this role will not receive compensation or benefits from GDIT and will not be an employee, agent or contractor of GDIT but rather will remain an employee of the DoD and will receive compensation and benefits through the DoD. Type of Requisition: Regular Clearance Level Must Currently Posses: Top Secret/SCI Clearance Level Must Be Able To Obtain: Top Secret/SCI Public Trust/Other

Systems AdministratorJob Title - Systems Administrator

University of FloridaCompany Name - University of Florida

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Gainesville, Florida, USA

Full-time

Systems Administrator Job no: 536343 Work type: Staff Full-Time Location: Main Campus (Gainesville, FL) Categories: Computer Science, Information Technology, Veteran's Preference Eligible Department:18210000 - ED-DISTANCE LEARNING Classification Title: Systems Admin/Programmer I Classification Minimum Requirements:Associate's degree; or a high school diploma or equivalent and two years of relevant experience. Appropriate college coursework or vocational/technical training may substitute a