Linux System Administrator Jobs

1 - 20 of 372 Jobs

Linux System AdministratorJob Title - Linux System Administrator

PANGIAM a BigBear.ai CompanyCompany Name - PANGIAM a BigBear.ai Company

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Maryland, USA

Full-time

BigBear.ai is seeking a Linux Systems Administrator to a fast-paced team of system administrators providing support for implementation, troubleshooting and maintenance of InformationTechnology (IT) systems for critical enterprise applications. This position will report on site to Annapolis Junction, MD and requires a TS/SCI w/poly. What you will do Manage IT system infrastructure and any processes related to these systems.Provide support to IT systems including day-to-day operations, monitoring

Linux System AdministratorJob Title - Linux System Administrator

ManTechCompany Name - ManTech

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Fort Meade, Maryland, USA

Full-time

ManTech seeks an experienced and passionate, career and customer-oriented Linux System Administrator to join our team located in the Fort Meade, MD area. Responsibilities include, but are not limited to: Design, engineer, and implement automated hardening scripts for internal servers adding scalability while circumventing manual process for new operating system rollout.Configure host-based intrusion detection systems.Monitor and troubleshoot/examine detected anomalies.Developed automation scrip

Windows Linux System AdministratorJob Title - Windows Linux System Administrator

Rose InternationalCompany Name - Rose International

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Dallas, Texas, USA

Full-time

Date Posted: 06/30/2025 Hiring Organization: Rose International Position Number: 484801 Industry: Professional Services Job Title: Windows Linux System Administrator Job Location: Dallas, TX, USA, 75201 Work Model: Onsite Shift: 9 AM - 6 PM Employment Type: Temporary FT/PT: Full-Time Estimated Duration (In months): 7 Min Hourly Rate($): 50.00 Max Hourly Rate($): 50.00 Must Have Skills/Attributes: AWS, Azure, CI/CD tools, GitHub Experience Desired: Windows/Linux system admin, Azure/AWS (

Senior Linux System AdministratorJob Title - Senior Linux System Administrator

Zachary Piper Solutions, LLCCompany Name - Zachary Piper Solutions, LLC

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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

Master Linux System Administrator - Secret ClearedJob Title - Master Linux System Administrator - Secret Cleared

Zachary Piper Solutions, LLCCompany Name - Zachary Piper Solutions, LLC

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San Diego, California, USA

Full-time

Piper Companies is looking for a Master Linux System Administrator to join a government contractor, working onsite in San Diego, CA. An active secret clearance is required for consideration This is a contract to hire opportunity with a great client that is looking to move quickly! Essential Duties of theMaster Linux System Administrator: Provide guidance for directing/monitoring information systemsInstall, configure and maintain Linux operating systemsAnalyze network traffic and provide capacit

Master Linux System AdministratorJob Title - Master Linux System Administrator

Zachary Piper Solutions, LLCCompany Name - Zachary Piper Solutions, LLC

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San Diego, California, USA

Full-time

Piper Companies is looking for a Master Linux System Administrator to join DoD consulting company. This position is onsite in San Diego, CA. Essential Duties of the Master 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 ass

Mid Linux System AdministratorJob Title - Mid Linux System Administrator

Booz Allen HamiltonCompany Name - Booz Allen Hamilton

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Washington, District of Columbia, USA

Full-time

Job Number: R0221402 Linux System Administrator, Mid Key Role: Provide hands-on experience managing Linux-based IT components. Provide network and systems administration support for all cybersecurity systems in the Enterprise. Provide systems administration and engineering support for non-Windows operating systems such as Linux-based systems, including Redhat Enterprise Linux (RHEL). Support the networking administration focused on enterprise infrastructure systems such as Cisco and Cisco ISE,

Linux System AdministratorJob Title - Linux System Administrator

Command Holdings a Pequot CompanyCompany Name - Command Holdings a Pequot Company

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Albuquerque, New Mexico, USA

Full-time

CeLeen, an operating firm of Command Holdings, is seeking a Linux System Administrator to support a contract within the Department of Energy. This position would support a critical science and engineering computing environments. The individual will join a fast-paced, dynamic, agile team environment passionate about the delivery of computational engineering services and infrastructure. The ideal candidate is well rounded, having experience with modern systems architectures, development methods, t

Linux System Administrator (Top Secret clearance required)Job Title - Linux System Administrator (Top Secret clearance required)

BlackFern RecruitmentCompany Name - BlackFern Recruitment

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Sarasota, Florida, USA

Full-time

Security clearance: Active Top Secret clearance required. Company: We have deep experience in signal processing application and common services development for the National agencies of the Intelligence Community (IC) and the Department of Defense. We develop and deploy multiple applications and system infrastructures for use in client mission operations. We specialize in the development of mission-oriented signal processing algorithms, applications, and associated services for our customers. Th

Senior Linux System AdministratorJob Title - Senior Linux System Administrator

Zachary Piper Solutions, LLCCompany Name - 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

Senior Linux System AdministratorJob Title - Senior Linux System Administrator

Booz Allen HamiltonCompany Name - 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

Linux System AdministratorJob Title - Linux System Administrator

Zachary Piper Solutions, LLCCompany Name - Zachary Piper Solutions, LLC

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Aberdeen, Maryland, USA

Full-time

Piper Enterprise Solutions is seeking an Linux System Administrator to join a stable and well known team located at Aberdeen Proving Ground. Responsibilities of the 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 monitor

Linux System AdministratorJob Title - Linux System Administrator

BrooksourceCompany Name - Brooksource

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Philadelphia, Pennsylvania, USA

Contract

Jr. Linux Administrator Location: Hybrid (2-3 days a week onsite); Local to Baltimore, MD; Philadelphia, PA; Washington, DC; Chicago, IL 6 Month Contract to Hire Pay Rate: $30-32/hr. on W2 w/ benefits The TechOps team at one of our largest Fortune 100 Energy clients is seeking a Unix Admin to provide hands on support for the maintenance and delivery of IT solutions. The ideal Jr. Unix Administrator will work alongside senior team members to help support RedHat servers, assist with server setup

Linux System AdministratorJob Title - Linux System Administrator

BrooksourceCompany Name - Brooksource

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Baltimore, Maryland, USA

Contract

Linux System Administrator - TestbedJob Title - Linux System Administrator - Testbed

Command Holdings a Pequot CompanyCompany Name - Command Holdings a Pequot Company

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Albuquerque, New Mexico, USA

Full-time

CeLeen, an operating firm of Command Holdings, is seeking a Linux System Administrator Test bed to support a contract within the Department of Energy. This position would support a critical science and engineering computing environments. The individual will join a fast-paced, dynamic, agile team environment passionate about the delivery of computational engineering services and infrastructure. The ideal candidate is well rounded, having experience with modern systems architectures, development m

Linux System AdministratorJob Title - Linux System Administrator

BrooksourceCompany Name - Brooksource

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Washington, District of Columbia, USA

Contract

HPC Linux System AdministratorJob Title - HPC Linux System Administrator

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

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Princeton, New Jersey, USA

Full-time

A top notch technology company is growing and looking to hire a HPC System Administrator to join their infrastructure team. The system administrator plays a key role in overseeing and supporting a complex high-performance computing (HPC) environment. Responsibilities include designing, configuring, and maintaining hardware, software, networking, storage, and cluster operations. This person will support HPC workflows, enforces security practices, and ensures optimal performance, uptime, and relia

Sr. Principal Linux System AdministratorJob Title - Sr. Principal Linux System Administrator

RaytheonCompany Name - 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

Linux System AdministratorJob Title - Linux System Administrator

DP Professionals IncCompany Name - DP Professionals Inc

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Mount Airy, North Carolina, USA

Contract

DPP is seeking a Linux System Administrator for a direct hire opportunity in Mount Airy, NC. Position description: As the Linux System Administrator, you will manage all Linux-based systems and enterprise applications across the organization, including Oracle ERP and IBM Mainframe. You ll be responsible for maintaining system stability, application performance, and supporting end users and teams that rely on these platforms. You ll assist with the administration of the Oracle database environmen

Linux System AdministratorJob Title - Linux System Administrator

ManTechCompany Name - ManTech

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Laurel, Maryland, USA

Full-time

ManTech seeks a motivated, career and customer-oriented Linux System Administrator to join our team in the Laurel, Maryland location. Responsibilities include, but are not limited to: Design, deploy and administer virtualized platforms, using VMWare.Configure and manage Linux and Solaris operating systemsInstalls/loads operating systems softwareTroubleshoot, maintain integrity of and configure network components, along with implementing operating systems enhancements to improve reliability and