Principal Linux Systems Administrator Jobs in Los Angeles, CA

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IT Linux Systems Administrator - Top Secret Clearance

SpaceX

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Hawthorne, California, USA

Full-time

SpaceX was founded under the belief that a future where humanity is out exploring the stars is fundamentally more exciting than one where we are not. Today SpaceX is actively developing the technologies to make this possible, with the ultimate goal of enabling human life on Mars. IT LINUX SYSTEMS ADMINISTRATOR - TOP SECRET CLEARANCE SpaceX is looking for an experienced Systems Administrator with deep knowledge and broad experience across Linux-based technologies and application support. The id
Posted 1 day ago | Updated 6 hours ago

Systems Administrator (Azure Cloud and Web Development Support)

Satwic Inc

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Los Angeles, California, USA

Contract, Third Party

Responsibilities: Cloud Systems Support & Administration Manage and support Client's systems in Microsoft Azure IaaS environment, including setup, configuration, and deployment of infrastructure components.Provide security hardening, access control implementation, and operational support for cloud assets.Collaborate with internal and external development teams to deploy cloud-hosted solutions with secure configurations.Ensure proper integration of cloud services with on-premises infrastructure u
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Posted 2 days ago

Senior IT Systems Engineer (Linux)

Relativity Space

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Long Beach, California, USA

Full-time

At Relativity Space, we have two audacious goals: to build the next great commercial launch company with Terran R and to become America's leading force in additive manufacturing innovation. Both contribute to our long-term vision of creating humanity's industrial base on Mars, paving the way for interplanetary life to expand the possibilities of the human experience. This journey begins right here on Earth - where we design, build, and fly rockets to deliver customer payloads to orbit. Terran R,
Posted 60+ days ago | Updated 7 hours ago

IT Systems Administrator III

Arete

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Los Angeles, California, USA

Full-time

At Aret, we are on the forefront of utilizing innovative solutions, with great minds from all backgrounds, to help solve the nation's most complex security challenges. We strive for an inclusive, collaborative team environment that approaches differences as opportunities for innovation and excellence. As an employee-owned company, we foster an atmosphere that propels diverse career opportunities and professional growth. Discover your future with us. Aret is seeking an experienced IT Systems Ad
Posted 3 days ago | Updated 1 day ago

Linux System Administrator

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
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Posted 26 days ago | Updated 2 days ago

Linux System Administrator

GovCIO

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Remote

Full-time

Overview GovCIO is hiring a Windows and Linux System Administrator to support Veterans Affairs operational needs . The role requires AWS, Windows, and Linux administration experience, with strong database management skills, to maintain infrastructure and ensure system security and performance. This position is fully remote within the United States. Responsibilities Plan the transition of development and/or production environments to new technologies . Ensure data integrity and facilitate elec
Posted 4 days ago | Updated 4 hours ago

Linux Administrator/Support Desk Analyst - UJMS

GovCIO

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Remote

Full-time

Overview GovCIO is currently hiring for a Linux Administrator/Support Desk Analyst (SDA) provides service desk and application and security management services for the Unified Jury Management System (UJMS). The analyst will be required to have troubleshooting, analytical, and decision-making skills to provide support and resolution to end-user issues or questions. The incumbent will provide operational and technical support to resolve software application, security, and technical issues associa
Posted 31 days ago | Updated 4 hours ago

Linux Administrator - Red Hat

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
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Posted 60+ days ago | Updated moments ago

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

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
Posted 6 days ago | Updated 6 hours ago

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

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
Posted 15 days ago | Updated 6 hours ago

Systems Administrator 3

Kforce Technology Staffing

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Remote or Redmond, Washington, USA

Contract

RESPONSIBILITIES: Kforce has a client that is seeking a highly skilled Systems Administrator 3 in Redmond, WA. Key Responsibilities: * Systems Administrator 3 will maintain, configure, and troubleshoot Ubuntu Linux systems in production and development environments * Administer and manage Perforce (Helix Core) version control, Swarm code review systems, including user management, service configuration via SDP, Helix authentication service (HAS), replication, backups, disaster recovery, and upgr
Posted 11 days ago | Updated 12 hours ago

Systems Administrator / SS&C or Advent or similar exp req(remote)

Kellton

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Remote

Contract

IT Systems Administration / Wealth Management Client Midtown- Hybrid Long term contract and possible Contract to hire Role Summary Our Wealth Management client is seeking anIT Systems Administration to provide hands-on management of our on-premises IT infrastructure. This is a contract-to-hire position (initial two-year contract) based in New York City with a hybrid work structure. Reporting directly to the Chief Operating Officer (COO), the Director will ensure that all critical systems inclu
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Posted 25 days ago | Updated 4 days ago

Network/Systems Administrator

GovCIO

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Remote

Full-time

Overview GovCIO is currently hiring for a Systems Administrator IV to support the Department of Veterans Affairs by maintaining and optimizing server and client operating systems across a remote enterprise environment. This position will be fully remote within the United States. Responsibilities Establishes and maintains smooth operation of computer systems (to include operating systems, software and hardware) in networked or stand-alone configurations, maintains system integrity, and upgrade
Posted 2 days ago | Updated 4 hours ago

Systems Support Administrator - US

Pearson

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Remote

Full-time

Position Summary: Pearson Virtual Schools (PVS), is hiring a Systems Administrator, local to Baltimore Maryland, who will join the team who manages our School IT Services for our customers nationwide. Candidates should have practical experience in the support and administration of various IT services. We are looking for someone who has the hands-on experience as well as the ability to manage and "get things done" in a highly technical environment. Professional customer service skills and indepen
Posted 1 day ago | Updated 7 hours ago

Principal IT Systems Engineer

Commonspirit Health

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Remote or Englewood, Colorado, USA

Full-time

Overview Inspired by faith. Driven by innovation. Powered by humankindness. CommonSpirit Health is building a healthier future for all through its integrated health services. As one of the nation's largest nonprofit Catholic healthcare organizations, CommonSpirit Health delivers more than 20 million patient encounters annually through more than 2,300 clinics, care sites and 137 hospital-based locations, in addition to its home-based services and virtual care offerings. CommonSpirit has more tha
Posted 19 hours ago | Updated 6 hours ago

Systems Administrator Intern - Summer 2025

CACI International, Inc.

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Remote

Part-time

Systems Administrator Intern - Summer 2025 Job Category: Intern/Co-op Time Type: Part time Minimum Clearance Required to Start: TS/SCI Employee Type: Part-Time On-Call Percentage of Travel Required: Up to 10% Type of Travel: Continental US * * * The Opportunity: CACI is seeking a motivated and tech-savvy intern to join our Service Desk team on the F3I program. This internship offers a unique opportunity to gain hands-on experience in IT support and systems administration. This position w
Posted 29 days ago | Updated 27 days ago

Sr. Backup & Restore Systems Administrator- Onsite in Ft. Worth

Lockheed Martin Corporation

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Remote or Fort Worth, Texas, USA

Full-time

Job Description As a Backup and Data Protection Specialist, you will be tasked with the management, configuration, and maintenance of our backup and recovery systems. The backup infrastructure you will be responsible for supports the Development Networks utilized by the Aeronautics business area to develop software for air combat platforms like the F-16, F-22 and F-35. You will ensure data protection and integrity, implement disaster recovery plans, and provide technical support for backup solu
Posted 26 days ago | Updated 6 hours ago

Systems Administrator I

Thermo Fisher Scientific

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Remote or Middleton, Wisconsin, USA

Full-time

Work Schedule Standard (Mon-Fri) Environmental Conditions Adherence to all Good Manufacturing Practices (GMP) Safety Standards, Some degree of PPE (Personal Protective Equipment) required (safety glasses, gowning, gloves, lab coat, ear plugs etc.) Job Description Summarized Purpose: Join Thermo Fisher Scientific Inc. as a Systems Administrator I. Work in a dynamic and innovative environment. Ensure system stability and efficient performance. Impact the success of analytical software and dedi
Posted 41 days ago | Updated 6 hours ago

Systems Administrator III

Sierra Nevada Corporation

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Remote or Sparks, Nevada, USA

Full-time

Do you have an eye for detail and a passion for developing innovation solutions? Join our team! As a Systems Administrator , you will be using your skills and expertise to assist in the analysis, development, and configuration of our existing software and systems that address business requirements and processes. You'll be responsible for evaluating the interface between hardware and software, operational requirements, and characteristics of our systems, establishing and documenting system parame
Posted 26 days ago | Updated 7 hours ago

Senior ERP & CRM Systems Administrator

iDirect Government LLC.

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Remote or Herndon, Virginia, USA

Full-time

Overview The Senior ERP & CRM Systems Administrator will play a critical role within the IT team, responsible for the ongoing administration, maintenance, support, and enhancement of the company's core business applications - including Oracle E-Business Suite, Salesforce, and collaboration platforms such as Atlassian JIRA and Confluence. This position requires a hands-on, proactive professional capable of managing multiple priorities in a dynamic environment. The ideal candidate will bring stron
Posted 39 days ago | Updated 4 hours ago