Linux systems administrator jobs

Linux Systems Administrator - TS/SCI-FSP clearance

Fort Meade, Maryland

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Today

This Jobot Job is hosted by: Kurt Holzmuller Are you a fit? Easy Apply now by clicking the "Apply Now" button and sending us your resume. Salary: $130,000 - $180,000 per year A bit about us: We are a leading global tech company on the cutting edge of cloud and data solutions. With a strong emphasis on innovation, inclusivity, and work-life balance, we foster a dynamic environment for career growth. With a global customer base including all sectors, from Fortune 500 to up-and-coming startups, w

Full-time

USD 130,000.00 - 180,000.00 per year

Linux Systems Administrator

Pearl City, Hawaii

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Today

Job ID: 2614508 Location: Pearl City, HI, US Date Posted: 2026-07-13 Category: Information Technology Subcategory: Sys Administrator Schedule: Full-Time Shift: Day Job Travel: Yes - 10% of the time Minimum Clearance Required: Secret Clearance Level Must Be Able to Obtain: TS/SCI Potential for Remote Work: ORA_ON_SITE Description SAIC is seeking a Linux Systems / Cloud Administrator to serve on a team supporting our customer, the HQ USINDOPACOM J76, K. Mark Takai Pacific Warfighting Cen

Full-time

USD 120,001.00 - 160,000.00 per year

Linux Systems Administrator

Birmingham, Alabama

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4d ago

Position Title: Linux Systems Administrator Location: Birmingham, AL - Hybrid after 90 days Position Status: Full Time Salary: 120k/yr + benefits About the Opportunity We're seeking an experienced Senior Systems Administrator to join our enterprise IT team and play a critical role in the design, administration, optimization, and support of our infrastructure environment. This position is ideal for a highly skilled systems professional who thrives on solving complex technical challenges, improvin

Easy Apply

Full-time

$120,000+

RHEL 8 Linux Systems Administrator

El Segundo, California

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Today

Job ID: 2614545 Location: El Segundo, CA, US Date Posted: 2026-07-14 Category: Information Technology Subcategory: Sys Administrator Schedule: Full-Time Shift: Day Job Travel: Yes - 10% of the time Minimum Clearance Required: TS.SCI Clearance Level Must Be Able to Obtain: TS/SCI with Poly Potential for Remote Work: ORA_ON_SITE Description We are seeking an experienced RHEL 8+ Linux Systems Administrator specializing in Red Hat Enterprise Linux (RHEL) 8 or later to support and maintain

Full-time

USD 120,001.00 - 160,000.00 per year

HPC Linux Systems Administrator - Top Secret Clearance

Vicksburg, Mississippi

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Today

This Jobot Job is hosted by: Kurt Holzmuller Are you a fit? Easy Apply now by clicking the "Apply Now" button and sending us your resume. Salary: $120,000 - $180,000 per year A bit about us: We are a leading global tech company on the cutting edge of cloud and data solutions. With a strong emphasis on innovation, inclusivity, and work-life balance, we foster a dynamic environment for career growth. *This is a 100% onsite role and requires a TS or TS/SCI clearance** With a global customer base

Full-time

USD 120,000.00 - 180,000.00 per year

Linux Systems Administrator

Miami, Florida

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Today

RESPONSIBILITIES: Kforce has a client that is seeking a Linux Systems Administrator in Miami, FL (Florida). Summary: We are seeking a Linux Systems Administrator with High-Performance Computing (HPC) experience to support research computing environments and computational clusters. This role will focus on Linux administration, HPC scheduling, AI-related infrastructure, storage systems, software deployment, system performance optimization, and end-user support. The ideal candidate will have exper

Contract, Third Party

$42.50 - $57.50 hourly

Journeyman Linux Systems Administrator

No location provided

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Today

GovCIO is seeking aJourneyman Linux Systems Administrator to support critical infrastructure operations, patch cycles, and lifecycle maintenance activities for the U.S. Coast Guard (USCG). This operational role focuses on the daily administration, configuration management, performance monitoring, and standard security patching of enterprise-level Linux architectures. This position will be located in Kearneysville, WV, and will be a hybrid position. Responsibilities The Journeyman Linux Systems

Full-time

USD 80,000.00 - 100,000.00 per year

Lead, Linux Systems Administrator

West Palm Beach, Florida

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Today

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 is the Trus

Full-time

Senior Linux Systems Administrator / HPC

Chicago, Illinois

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Today

A leading institution in Chicago is hiring a Systems Administrator to support advanced computing systems within a fast-growing data science environment. This role focuses on Linux infrastructure, high performance computing clusters, and modern automation tools such as Ansible, Docker, and distributed storage technologies. This is a unique opportunity to work in a highly technical environment supporting cutting edge research in artificial intelligence and large-scale data processing. The team is

Easy Apply

Full-time

$100000 - $120000

Sr. Red Hat Linux Systems Administrator

Hybrid in Birmingham, Alabama

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Yesterday

Rezult Group continues to make great strides toward enhancing the technology services community nationwide. We are consistently looking for qualified professionals to join us in achieving success. Currently we are searching for aLinux Systems Administratorto fulfill an immediate full-time vacancy. This position is a Full-Time, Direct Hire position that sitshybrid in the Birmingham, AL area. Day to Day Responsibilities: Administer and maintain a large-scale enterprise server environment consisti

Easy Apply

Full-time

Up to 130000

Linux Systems Administrator

O'Fallon, Missouri

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2d ago

Hello, Hope you are doing great. We have an immediate Requirements for these role Hiring:Linux Systems Administrator Location: St. Louis, MO (Day1 Onsite) Job Type: Long Term Contract Job Description: Linux Systems Administrator, Platform Support to provide support of technical hardware and software expertise in support of Linux Operating systems and platforms. This is a senior-level IT support position, with the expectation that the candidate has the advance Linux skills and knowledge with t

Easy Apply

Full-time

30 - 40

Windows/Linux Systems Administrator

Hybrid in New York, New York

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18d ago

ABSOLUTELY NO 3RD PARTIES. Systems Administrator | New YorkWant to work at the intersection of cutting-edge technology and top-tier finance? A leading global investment firm is hiring Systems Administrators to support and evolve one of the industry''s most sophisticated tech environments Windows and Linux servers, advanced storage and clustered computing, and enterprise communications infrastructure.This is a great fit if you: Love solving unfamiliar, technically challenging problems Have so

Easy Apply

Full-time

120000 - 175000

Linux Systems Administrator

Tallahassee, Florida

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7d ago

Job Purpose: Installs, configures, maintains and performs system integration testing of UNIX based operating systems, related utilities and hardware. Responsible for troubleshooting UNIX-based hardware and software problems. Monitors systems activities and fine tunes system parameters and configuration to optimize performance and ensure security of systems. Performs capacity analysis, monitors and controls usage of disk space. Develops procedures for routine administration including backup/resto

Easy Apply

Third Party, Contract

55 - 65

Linux Systems Administrator Level 1 - Clearance Required

Maryland

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13d ago

Job Description What We're Doing: Lockheed Martin, Cyber & Intelligence invites you to step up to one of today's most daunting challenges: the use of advanced electronics to undermine our way of life. As a cyber security professional at Lockheed Martin, you'll protect the networks that our citizens and the world depend upon each minute: Financial assets. Healthcare information. Critical infrastructure. Hazardous materials. The uninterrupted flow of energy that keeps modern life moving. Here, yo

Full-time

USD 81,600.00 - 143,865.00 per year

Linux Systems Administrator

Fort Meade, Maryland

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Today

MANTECH seeks an experienced and passionate, career and customer-oriented Linux Systems Administrator to join our team located in the Fort Meade, MD area. Responsibilities include, but are not limited to: Provide comprehensive administration and support for multi-platform operating system environments.Design and implement automated security hardening solutions to enhance scalability and streamline operating system deployments.Configure and maintain host-based security and intrusion detection sy

Full-time

Windows/Linux Systems Administrator

Maryland

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Today

MANTECH is seeking a motivated, career-driven, and customer-focused Windows/Linux Systems Administrator to join our team in Hanover, MD. You will play a critical role in supporting the enterprise infrastructure capabilities for a global, mission-focused workforce. This position supports the high-visibility Enterprise Infrastructure Services (EIS) organization, responsible for the delivery and security of MPO?s Enterprise Information Technology (EIT), the foundation for enterprise-wide services.

Full-time

Linux Systems Administrator

Chantilly, Virginia

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Today

MANTECH seeks a motivated, mission-focused Senior Linux Systems Administrator to join our team in Chantilly, VA. As a Linux Systems Administrator, you will help maintain and enhance the Sponsor?s Linux environment alongside a talented team. You will be responsible for the operating system software and its seamless integration with hardware and applications across the organization. Responsibilities include but are not limited to: Planning, testing, installing, integrating, and maintaining new an

Full-time

Linux Systems Administrator

Bay St. Louis, Mississippi

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Today

Are you a Linux Systems Administrator ready to take your skills beyond the traditional enterprise environment? Leidos is seeking a Mid-Level Linux Systems Administrator to support one of the Department of War's (DoW) largest High Performance Computing (HPC) environments at Stennis Space Center, Mississippi. In this role, you'll work alongside a highly skilled technical team supporting advanced supercomputing resources used by scientists and engineers to solve complex computational challenges a

Full-time

USD 73,450.00 - 132,775.00 per year

Senior Linux Systems Administrator

Annapolis, Maryland

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Today

Leidos has a new and exciting opportunity for a Senior Linux Systems Administrator in our Intelligence Sector, 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 vestin

Full-time

USD 116,350.00 - 210,325.00 per year

Linux Systems Administrator

Orlando, Florida

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Today

Overview Are you a Linux systems Administrator with a Secret clearance looking to work with a team of driven, supportive, and highly skilled professionals? Then we have an exciting opportunity for you to work with our Orlando Team supporting the Naval Air Warfare Training Systems Division (NAWTSD) in the development, testing and delivery of the US Navy's P8A Poseidon Maritime Patrol Aircraft's Ground Aircrew Training Devices Combat Systems Integrated Product (CSIP). This position is 100% onsite

Full-time

USD 100,000.00 per year