principal linux systems administrator Jobs

101 - 120 of 2,199 Jobs

Linux System Administrator (Service Desk)Job Title - Linux System Administrator (Service Desk)

General DynamicsCompany Name - General Dynamics

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Schriever, Louisiana, USA

Full-time

Basic Qualifications Bachelor's degree in a specialized area; or equivalent is required plus a minimum of 2 years of relevant experience; or Master's degree. CLEARANCE REQUIREMENTS: Department of Defense TS/SCI security clearance with ability to obtain a Polygraph 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 work performed within our

Linux Systems Engineer (SRE)Job Title - Linux Systems Engineer (SRE)

Introlligent Inc.Company Name - Introlligent Inc.

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Elk Grove, California, USA

Contract

Minimum Qualifications:Strong sense of ownership, customer service, and integrity demonstrated through clear communication.Experience with deploying, supporting and monitoring new and existing services, platforms, and application stacks.Proficiency with Python, Bash scripts, GO, REST APIS, and any object oriented programming a must.Proficiency in using monitoring and observability tools such as Prometheus, Grafana, Splunk, etc.Extensive knowledge with Enterprise Linux (RHEL).Understanding of AWS

Systems Engineer (Linux / Windows)Job Title - Systems Engineer (Linux / Windows)

American Systems CorporationCompany Name - American Systems Corporation

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Fredericksburg, 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. We are looking for a mission-driven professional with a Top-Secret clearance to join our team as a Systems Administrator. Responsibilities As a Systems Administrator, you will have the opportunity to do the following: Join an al

Linux Administrator - Red HatJob Title - Linux Administrator - Red Hat

Convene Inc.Company Name - Convene Inc.

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Remote

Contract

About Convene Inc. Convene, Inc. is a Tampa based, award-winning technology services organization with offices and resources throughout the US, Mexico, and India. We have successful, referenceable customers, competitive benefits, and high-growth opportunities.Linux Administrator - Red Hat Duties will include but not limited to the following: Able to deploy and set up Red Hat Enterprise Linux on physical or virtual servers. Able to implement security policies, managing firewalls, and monitoring

Linux System AdministratorJob Title - Linux System Administrator

PeratonCompany Name - Peraton

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Colorado, USA

Full-time

Responsibilities Peraton is seeking a highly skilled Linux System Administrator on the FROST program located on Schriever Space Force Base. This role will be responsible for providing support to an intricate, multi-domain network infrastructure that enables strategic space operations, including launch activities. We are continuously upgrading our infrastructure to meet the cutting-edge demands of new space programs, and we're looking for the right person to grow with us. Peraton's motto is "Do

Senior Linux Systems EngineerJob Title - Senior Linux Systems Engineer

Samsung Electronics AmericaCompany Name - Samsung Electronics America

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Austin, Texas, USA

Full-time

At Samsung SDS America, innovation drives everything we do. As the North American subsidiary of Samsung SDS-a global leader in digital transformation-we empower businesses to excel in an ever-changing digital world. Our mission is clear: delivering cutting-edge IT solutions and services that redefine possibilities for our clients. We've earned recognition from industry leaders like Gartner, IDC, and Frost & Sullivan for our expertise in Managed Cloud Services, Cloud Security, and AI innovation.

Senior Linux and Systems EngineerJob Title - Senior Linux and Systems Engineer

Westinghouse Electric Company LLCCompany Name - Westinghouse Electric Company LLC

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Pennsylvania, USA

Full-time

Senior Linux and Systems engineer Westinghouse Electric Company Cranberry, PA Are you interested in being part of an innovative team that supports Westinghouse's mission to provide clean energy solutions? At Westinghouse, we recognize that our employees are our most valuable asset and we seek to identify, attract and recruit the most qualified talent while recognizing and encouraging the value of diversity in the global workplace. About the role: As a Senior Linux and Systems engineer, you w

Linux Systems Ops EngineerJob Title - Linux Systems Ops Engineer

University of MinnesotaCompany Name - University of Minnesota

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Minnesota, USA

Full-time

Position Responsibilities: We are seeking a highly skilled, self motivated, Linux systems engineer with technical leadership experience. The position will be responsible for leading various aspects of our day-to-day operations, as well as exploring and developing new technology solutions to keep MSI's cyberinfrastructure ecosystem in tune with current and developing best practices. Linux Systems and Infrastructure Operations (30%) Identify, remediate, and resolve day-to-day infrastructure operat

Senior Linux IT Systems Engineer / Active Clearance / Orlando, FLJob Title - Senior Linux IT Systems Engineer / Active Clearance / Orlando, FL

Lockheed Martin CorporationCompany Name - Lockheed Martin Corporation

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Orlando, Florida, USA

Full-time

Job Description This role is for a Classified Linux IT Systems Engineer with a focus on supporting Red Hat-based Linux distributions, Kubernetes and High Performance Computing (HPC) clusters. Linux System administration of heterogeneous networks integrated into Windows Server Active Directory Domains. VMWare vSphere Infrastructure management of ESX clusters spanning multiple distributed networks. Maintain operating system cyber compliance, upgrades, and patching. (Windows/Linux/VMWare) Perform

Oracle Cloud Infrastructure (OCI) / Linux administrator (SME) with AWS Cloud ,Pacemaker Cluster Management- Hybrid work - Dallas TXJob Title - Oracle Cloud Infrastructure (OCI) / Linux administrator (SME) with AWS Cloud ,Pacemaker Cluster Management- Hybrid work - Dallas TX

Cogent IBS, IncCompany Name - Cogent IBS, Inc

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Dallas, Texas, USA

Contract

Oracle Cloud Infrastructure (OCI) / Linux administrator (SME) with AWS Cloud , Pacemaker Cluster Management - Hybrid work - Dallas TX Location: Dallas TX Duration: 12 + months Hybrid work Linux System Administration: o Install, configure, and maintain Linux servers (Suse, Red Hat, CentOS, Ubuntu, etc.). o Perform system monitoring, troubleshooting, and performance tuning. o Manage user accounts, permissions, and access controls. o Apply patches, updates, and security configurations to ensure

Senior Red Hat Linux Administrator Consultant- Hybrid Annapolis, MDJob Title - Senior Red Hat Linux Administrator Consultant- Hybrid Annapolis, MD

Stellar IT SolutionCompany Name - Stellar IT Solution

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Annapolis, Maryland, USA

Contract, Third Party

5/5/2025 @4:30PM EST Position: Senior Red Hat Linux Administrator Consultant - PORFP K23-0094-25L-7 Location: 189 Harry S Truman Parkway, Annapolis, MD 21401 Onsite/ Remote: Hybrid Duration: Long-Term Submission Limit: 1 Can submit 1 candidate Must provide copy of degree & other evidence (i.e. transcript) Must provide copy of resources' Red Hat Certified Systems Administrator certification Signed Attachment O Resource Acknowledgement 2 days remote, 3 days on-site (Hybrid) Summary The AOC

Hybrid Systems Engineer, Sr (Windows / Linux) / Onsite: COJob Title - Hybrid Systems Engineer, Sr (Windows / Linux) / Onsite: CO

Lockheed Martin CorporationCompany Name - Lockheed Martin Corporation

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Remote or Littleton, Colorado, 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, MD, Lockheed Martin has employees based in all 50 states and more than 570 facilities that span 70 countries. This Enterprise Operations (EO) position supports the Lockheed Marti

Senior Red Hat Linux AdministratorJob Title - Senior Red Hat Linux Administrator

DTEL Engineering & Consultants IncCompany Name - DTEL Engineering & Consultants Inc

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Annapolis, Maryland, USA

Contract, Third Party

SCOPE OF WORK Offeror proposed resource shall be responsible for the following: a. Installing, configuring, and maintaining Red Hat Enterprise Linux (RHEL) servers across development, testing, and production environments.Performing system upgrades, patch management, and security hardening to ensure compliance with industry standards.Monitoring system performance and troubleshooting issues to minimize downtime and optimize efficiency.Implementing automation scripts using Ansible, Bash, or Python

Senior Red Hat Linux AdministratorJob Title - Senior Red Hat Linux Administrator

Trigint SolutionsCompany Name - Trigint Solutions

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Annapolis, Maryland, USA

Contract

The AOC is seeking proposals from prospective Offerors to provide one (1) Senior Red Hat Linux Administrator consultant. The Senior Red Hat Linux Administrator will manage and optimize the AOC s Red Hat Enterprise Linux (RHEL) environments. The resource will be responsible for ensuring system stability, security, and performance while supporting a range of enterprise applications. This role requires advanced expertise in Linux administration, automation, troubleshooting, and security best practi

Linux Systems AdminJob Title - Linux Systems Admin

PeratonCompany Name - Peraton

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Herndon, Virginia, USA

Full-time

Responsibilities Are you ready to take your career to the next level while contributing to the defense of our nation? Peraton, a recognized leader in Cyber, Digital Transformation, Cloud, Operations, and Engineering, is seeking a skilled Systems Administrator to support a world-wide national intelligence program. This role plays a crucial part in delivering mission-critical technology solutions to the U.S. Intelligence Community, supporting operations that safeguard our nation's security. Why P

SCITLS UNIX/Linux OS AdministratorJob Title - SCITLS UNIX/Linux OS Administrator

General DynamicsCompany Name - General Dynamics

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Offutt Air Force Base, Nebraska, USA

Full-time

Type of Requisition: Pipeline Clearance Level Must Currently Possess: Top Secret/SCI Clearance Level Must Be Able to Obtain: Top Secret/SCI Public Trust/Other Required: None Job Family: Systems Administration Job Qualifications: Skills: Computer Servers, Enterprise IT, Information Technology (IT) Systems Certifications: None Experience: 8 + years of related experience ship Required: Yes Job Description: Seize your opportunity to make a personal impact as a SCITLS UNIX/Linux OS Administra

Systems AdministratorJob Title - Systems Administrator

MSITEK LLCCompany Name - MSITEK LLC

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Herndon, Virginia, USA

Contract

- 5+ years of experience in an IT enterprise System Admin role or Cloud Admin position - 4+ years with PowerShell scripting for automation, extremely fluent in PowerShell and command lines - Experience with Windows firewalls - Expert level Microsoft Azure Administrator - Expert level Windows admin skills (Active Directory, DNS, Group Policy) - Security Clearance or ability to get a Clearance Nice to Have Skills and Experience -Bachelors in Computer Science - Professional industry certifications

Senior Red Hat Linux Administrator - HybridJob Title - Senior Red Hat Linux Administrator - Hybrid

Volitiion IIT IncCompany Name - Volitiion IIT Inc

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District of Columbia, USA

Third Party, Contract

PLACE OF PERFORMANCE - 3 days on site Annapolis, MD - 21401 - Hybrid 3 References are MUST IN-Person Interview Required Degree and Certificate copy required OFFEROR RESOURCE QUALIFICATIONS 1. The Offeror shall propose a resource that meet the following minimum qualifications: a. Bachelor's degree, or postgraduate degree, in engineering, computer science, or related field (as determined by the AOC). b. Red Hat Certified Systems Administrator. (1) Certification must be issued by Red Hat and i

Linux L3 Systems Engineer - Infrastructure Security, VP (C13)Job Title - Linux L3 Systems Engineer - Infrastructure Security, VP (C13)

CitiCompany Name - Citi

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Remote or New Castle, Delaware, USA

Full-time

About Citi: Citi, the leading global bank, has approximately 200 million customer accounts and does business in more than 160 countries and jurisdictions. Citi provides consumers, corporations, governments, and institutions with a broad range of financial products and services, including consumer banking and credit, corporate and investment banking, securities brokerage, transaction services, and wealth management. As a bank with a brain and a soul, Citi creates economic value that is systemic

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