Principal Linux Systems Administrator Jobs

21 - 40 of 2,080 Jobs

Linux Systems AdministratorJob Title - Linux Systems Administrator

Cornerstone DefenseCompany Name - Cornerstone Defense

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Aurora, Colorado, USA

Full-time

Location: Aurora, Colorado Type: Contract Job #3466 Linux Systems Administrator Aurora, CO Active TS/SCI w/ CI poly Compensation Range: $115,000 - $135,000 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

Linux Systems AdministratorJob Title - Linux Systems Administrator

PeratonCompany Name - Peraton

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College Park, Maryland, USA

Full-time

Responsibilities This position is an integral member of the Peraton Labs Network Systems and Cyber Mission Sector team supporting a customer site in College Park and Laurel, MD. Primarily location is College Park with the option for 1-2 days a week in Laurel. Responsibilities may include: Implement, maintain, and enhance complex and diverse research infrastructure systems and their appropriate security posturePerform Linux and Microsoft Windows system administration tasksWindows and Linux serv

Linux Systems AdministratorJob Title - Linux Systems Administrator

Modern Technology SolutionsCompany Name - Modern Technology Solutions

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Florida, USA

Full-time

Overview Own Your Future. Modern Technology Solutions, Inc. (MTSI), is seeking a Linux Systems Administrator in Eglin Air Force Base, FL. Why is MTSI known as a Great Place to Work? Interesting Work: Our co-workers support some of the most important and critical programs to our national defense and security. Values: Our first core value is that employees come first. We challenge our co-workers to provide the highest level of support and service, and reward them with some of the best benefits

Sr. Windows/Linux Systems Administrator (Secret Clearance Required)Job Title - Sr. Windows/Linux Systems Administrator (Secret Clearance Required)

Lockheed Martin CorporationCompany Name - Lockheed Martin Corporation

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King of Prussia, Pennsylvania, USA

Full-time

Job Description What We're Doing: As part of Lockheed Martin Rotary & Mission Systems business area, our team supports multiple software applications in the Tactical Tomahawk Weapons Control System (TTWCS). We develop and maintain the foundational layer of TTWCS, including networking infrastructure and process management, in addition to Tactical Command and Control applications handling mission planning and missile communication. In a nutshell, our team ensures the United States Navy has the t

Senior Linux Systems Administrator 10k Sign on BonusJob Title - Senior Linux Systems Administrator 10k Sign on Bonus

LeidosCompany Name - Leidos

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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

Linux Systems AdministratorJob Title - Linux Systems Administrator

PeratonCompany Name - Peraton

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Washington, District of Columbia, USA

Full-time

Responsibilities We're currently seeking a seasoned Linux Systems Administrator for our National Programs Business Intelligence Systems & Applications Operating Unit. This role is vital in supporting the SITE JIOC contract, focusing on the orchestration, sustainment, and advancement of a suite of applications critical for Collection Management, Intelligence Surveillance and Reconnaissance (ISR), and intelligence operations. These applications are crucial for intelligence analysts, operations,

Systems Administrator - LINUX / ContainerizationJob Title - Systems Administrator - LINUX / Containerization

Lockheed Martin CorporationCompany Name - Lockheed Martin Corporation

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Maryland, USA

Full-time

Job 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! This position may be eligible for a $25K sign on bonus for external hires! Systems Administrator - LINUX / Containerization 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.

Linux Systems AdministratorJob Title - Linux Systems Administrator

GovCIOCompany Name - GovCIO

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San Antonio, Texas, USA

Full-time

Overview GovCIO is currently looking for a Linux Systems Administrator for our Courts proposal. This position will be located in San Antonio, TX. Responsibilities Responsibilities Responsible for server operations inclusive of hardware, operating system (OS), and utilities on the server. Has expertise in one or more operating systems and is responsible for support functions such as planning/deploying/maintaining/supporting servers such as Red Hat Enterprise Linux or Windows, database system.

Sr. Linux/Windows Systems Administrator - Linthicum MD - SECRET and higher - F-22, Keystone, Triton Programs - 14352Job Title - Sr. Linux/Windows Systems Administrator - Linthicum MD - SECRET and higher - F-22, Keystone, Triton Programs - 14352

ASD, Inc.Company Name - ASD, Inc.

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Linthicum Heights, Maryland, USA

Contract

Sr. Linux/Windows Systems Administrator to join its Classified Solutions team in Linthicum, MD. As a member of the classified solutions, IT you ll work in a fast-paced team environment alongside engineers and program managers to help support and make our technologies a reality. This position will serve on-site at our Linthicum, MD campus; this is not a remote work opportunity. Responsibilities: Perform as a Linux/Redhat Systems Administrator for a classified government contract. Perform as a Wi

Linux Systems Administrator SMEJob Title - Linux Systems Administrator SME

GovCIOCompany Name - GovCIO

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San Antonio, Texas, USA

Full-time

Overview GovCIO is currently looking for a Linux Systems Administrator (SME) for our Courts proposal. This position will be located in San Antonio, TX. Responsibilities Responsibilities Responsible for server operations inclusive of hardware, operating system (OS), and utilities on the server. Has expertise in one or more operating systems and is responsible for support functions such as planning/deploying/maintaining/supporting servers such as Red Hat Enterprise Linux or Windows, database s

M3 Systems Administrator (RHEL/Linux) - TS/SCI RequiredJob Title - M3 Systems Administrator (RHEL/Linux) - TS/SCI Required

General DynamicsCompany Name - General Dynamics

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Charlottesville, 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: Active Directory (AD), Disaster Recovery (DR), Linux Certifications: None Experience: 10 + years of related experience ship Required: Yes Job Description: M3 Systems Administrator (RHEL/Linux) - TS/SCI Required Transform technology into opport

Systems Administrator, Linux - School of MedicineJob Title - Systems Administrator, Linux - School of Medicine

Penn MedicineCompany Name - Penn Medicine

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Philadelphia, Pennsylvania, USA

Full-time

Description Penn Medicine is dedicated to our tripartite mission of providing the highest level of care to patients, conducting innovative research, and educating future leaders in the field of medicine. Working for this leading academic medical center means collaboration with top clinical, technical and business professionals across all disciplines. Today at Penn Medicine, someone will make a breakthrough. Someone will heal a heart, deliver hopeful news, and give comfort and reassurance. Our e

Principal Systems AdministratorJob Title - Principal Systems Administrator

TEKsystems c/o Allegis GroupCompany Name - TEKsystems c/o Allegis Group

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Colorado Springs, Colorado, USA

Full-time

This position requires an active DoD Clearance (Secret, Top Secret, Top Secret/SCI) or the ability to be obtain an (Interim Secret, Interim Top Secret) Because an active or interim DoD clearance is required, U.S. Citizenship is required Description Our client is looking for 2 Principal Systems Administrators to join their team. These positions will require a Secret clearance as well as the proper certifications. A qualified candidate will have experience with RHEL as well as Windows servers, An

Systems Administrator (Unix, Linux and Tomcat)Job Title - Systems Administrator (Unix, Linux and Tomcat)

SAICCompany Name - SAIC

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Ashburn, Virginia, USA

Full-time

Job ID: 2504336 Location: ASHBURN, VA, US Date Posted: 2025-04-07 Category: Software Subcategory: SW Engineer Schedule: Full-time Shift: Day Job Travel: Yes, 10 % of the Time Minimum Clearance Required: None Clearance Level Must Be Able to Obtain: Public Trust Potential for Remote Work: Yes Description Position Summary We are currently seeking a motivated, career and customer-oriented Systems Administrator (Senior) to join our team in Ashburn, VA to begin an exciting and challenging c

Linux Server Administrator (Computing Systems Professional 1)Job Title - Linux Server Administrator (Computing Systems Professional 1)

Los Alamos National LaboratoryCompany Name - Los Alamos National Laboratory

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Los Alamos, New Mexico, USA

Full-time

Description Job Title Linux Server Administrator (Computing Systems Professional 1) Location Los Alamos, NM, US Organization Name ISD-NS Network Services Minimum Salary 71200 Maximum Salary 112900 What You Will Do Join our world-class team! Now is your chance to make a difference in supporting our national security mission. At LANL, we solve national security challenges through scientific, technological, and engineering excellence. The Infrastructure Service Division, Network Service Group (ISD

Principal/Senior Principal Systems Administrator - COLORADO SPRINGS - SECRET AND HIGHER CLEARANCE - 14350Job Title - Principal/Senior Principal Systems Administrator - COLORADO SPRINGS - SECRET AND HIGHER CLEARANCE - 14350

ASD, Inc.Company Name - ASD, Inc.

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Colorado Springs, Colorado, USA

Contract

US SPACE FORCE - JTAGS PROGRAMSeeking multi-skilled, self-motivated, energetic individuals to work at our Colorado Springs, CO location as a Principal/Senior Principal Systems Administrator supporting the JTAGS program. As a member of this team, you will primarily focus on Red Hat Enterprise Linux (RHEL) Systems Administration and secondarily perform as a Windows Systems Administrator. The team manages the hardware, software, network, and security for both RHEL and Windows systems located in Col

Systems Administrator // Windows and LinuxJob Title - Systems Administrator // Windows and Linux

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

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King of Prussia, Pennsylvania, USA

Full-time

A marketing services provider company in King of Prussia, PA is looking to hire a full-time Systems Administrator. You will be working in a mixed Windows and Linux enterprise environment doing server builds, upgrades, and patching, Linux Ubuntu, physical and virtual servers, VMWare ESXi, vCenter/vSphere, SQL servers, and SAN storage. You will also be working with DNS, DHCP, Active Directory GPO's, and Automation. Any experience with Azure or AWS is needed since you will be helping them move thei

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

Linux AdministratorJob Title - Linux Administrator

Collabera LLCCompany Name - Collabera LLC

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Charlotte, North Carolina, USA

Full-time

You can reach me back at OR Position Details: Client: Banking Role: Linux Administrator Terms: - 18 Months Responsibilities: DAY TO DAY Description: This role is critical in ensuring the stability, security, and performance of our Linux and Unix-based infrastructure. The ideal candidate will possess a strong technical foundation, excellent communication skills, a positive "can-do" attitude, and a sense of urgency in addressing critical issues. You will be responsible for the day-to-day admini

Linux System AdministratorJob Title - Linux System Administrator

Sun Technologies,Inc.Company Name - Sun Technologies,Inc.

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Remote

Contract

Job Title: Linux System Administrator Duration: up to 12 months contract (with the possibility of extension) Location: Fort Worth, TX 76108 Pay Rate: $60/hr - $70/hr on W2 [the pay rate may differ depending on your skills, education, experience, and other qualifications] Featured Benefits: Medical Insurance in compliance with the ACA401(k)Sick leave in compliance with applicable state, federal, and local laws Skills Required: The Linux Systems Administrator will be a member of the Enterprise IT