Principal Linux Systems Administrator Jobs in San Diego, CA

1 - 20 of 221 Jobs

Senior Systems Engineer - Linux OperationsJob Title - Senior Systems Engineer - Linux Operations

ServiceNow, Inc.Company Name - ServiceNow, Inc.

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San Diego, California, USA

Full-time

Company Description It all started in sunny San Diego, California in 2004 when a visionary engineer, Fred Luddy, saw the potential to transform how we work. Fast forward to today - ServiceNow stands as a global market leader, bringing innovative AI-enhanced technology to over 8,100 customers, including 85% of the Fortune 500 . Our intelligent cloud-based platform seamlessly connects people, systems, and processes to empower organizations to find smarter, faster, and better ways to work. But thi

Principal Systems EngineerJob Title - Principal Systems Engineer

ServiceNow, Inc.Company Name - ServiceNow, Inc.

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San Diego, California, USA

Full-time

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

Linux System AdministratorJob Title - Linux System Administrator

LeidosCompany Name - Leidos

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San Diego, California, USA

Full-time

Description The Maritime Solution Systems Portfolio within the Maritime Systems Division (MSD) is seeking an experienced, dynamic, and highly capable Linux system administrator to join the Leidos team at a customer site in San Diego, CA. The business activities within this portfolio include underwater vehicle systems, maritime sensors, supporting information technology and engineering services for complex maritime applications, and the development and support of underwater data acquisition and t

Linux System AdministratorJob Title - Linux System Administrator

GovCIOCompany Name - 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

Linux Administrator/Support Desk Analyst - UJMSJob Title - Linux Administrator/Support Desk Analyst - UJMS

GovCIOCompany Name - 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

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

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

LeidosCompany Name - Leidos

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San Diego, California, USA

Full-time

The Maritime Solution Systems Portfolio within the Maritime Systems Division (MSD) is seeking an experienced, dynamic, and highly capable Linux system administrator to join the Leidos team at a customer site in San Diego, CA. The business activities within this portfolio include underwater vehicle systems, maritime sensors, supporting information technology and engineering services for complex maritime applications, and the development and support of underwater data acquisition and telemetry sys

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

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

Systems Administrator 3Job Title - Systems Administrator 3

Kforce Technology StaffingCompany Name - 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

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

KelltonCompany Name - 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

Principal IT Systems EngineerJob Title - Principal IT Systems Engineer

Commonspirit HealthCompany Name - 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

Network/Systems AdministratorJob Title - Network/Systems Administrator

GovCIOCompany Name - 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

Systems Support Administrator - USJob Title - Systems Support Administrator - US

PearsonCompany Name - 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

Systems Administrator Intern - Summer 2025Job Title - Systems Administrator Intern - Summer 2025

CACI International, Inc.Company Name - 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

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

Lockheed Martin CorporationCompany Name - 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

Systems Administrator IJob Title - Systems Administrator I

Thermo Fisher ScientificCompany Name - 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

Systems Administrator IIIJob Title - Systems Administrator III

Sierra Nevada CorporationCompany Name - 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