Linux Administration jobs in California

IT System Management Analyst (Linux system administration)

Remote

•

Today

Project description Join the Core Service Operations Server Support team responsible for 24x7x365 production and non-production support of a large-scale Unix/Linux environment with 25,000+ virtual and physical servers. The environment includes RHEL, AIX, CentOS, and Solaris platforms and requires strong operational support, security/compliance awareness, and incident resolution capabilities. Shift: Wednesday-Saturday, 4:30 PM-3:00 AM CST, 10 hours/day, 4 days/week. Responsibilities Provide pro

Full-time

Hardware Systems Administrator (Linux)

Sunnyvale, California

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13d ago

Role: Hardware Systems Administrator (Linux) Location:Sunnyvale, CA - Onsite Experience: 5+ years Focus: Linux, Server Hardware & Infrastructure Key Requirements: Strong Linux administration experience (RHEL, Ubuntu, CentOS, Rocky Linux) Hands-on server hardware installation, configuration, upgrades, and troubleshooting Bash/Shell/Python scripting and automation Experience with storage, RAID, SAN/NAS, backups, and virtualization (VMware/KVM/Hyper-V) Strong networking knowledge: TCP/IP, DNS,

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Contract, Third Party

$70 - $75

Kubernetes Platform Administrator / Technical Lead

Remote

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9d ago

We are currently looking for aSenior Kubernetes Platform Administratorfor a 100% remote position supporting a large federal government healthcare modernization project. In this role, you will serve as the technical lead for the Brain Team, responsible for the engineering, operation, reliability, scalability, security, and automation of an enterprise Kubernetes platform running on Amazon EKS. You will provide subject matter expertise in Kubernetes, networking, cloud infrastructure, and platform e

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Full-time

100000 - 150,000

PeopleSoft Administrator

Remote

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3d ago

We are looking for an experienced PeopleSoft Administrator to manage, maintain, and support enterprise PeopleSoft environments across Development, Test, and Production. The ideal candidate will have strong hands-on experience with PeopleTools, PSADMIN, Tuxedo, WebLogic, Process Scheduler, PeopleSoft upgrades, PUM, DPK, Unix/Linux, Oracle, and production support. Strong experience on Healthcare domain. Key ResponsibilitiesInstall, configure, maintain, and support PeopleSoft environments.Administe

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Contract

Depends on Experience

CAE Engineer 598268

San Jose, California

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Today

Job Description Title: CAE Engineer 598268 Location: San Jose, CA Description: Position Requirements: Qualifications: Bachelor's degree in Computer Engineering, Electrical Engineering, Computer Science, or a related field 3+ years of hands-on experience in HPC infrastructure, EDA/engineering IT infrastructure, or Linux system administration Working knowledge of job schedulers (LSF, SLURM, Grid Engine, or equivalent), license management systems, and engineering/EDA application environments A

Contract

Linux Systems Admin

Sacramento, California

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Today

Location: Sacramento, CA Salary: $102,000.00 USD Annually - $125,000.00 USD Annually Description: Linux Systems Administrator Location: Remote (Must live within 2 hours of Sacramento, CA) Travel: Occasional travel to Sacramento-area data centers as needed On-Call: Participation in an on-call rotation required About the Role We are seeking a motivated, early-career Systems Administrator to support our IBM AIX infrastructure and enterprise host systems environment. This is an excellent opportu

Contract

USD 102,000.00 - 125,000.00 per year

Cybersecurity Engineer

Remote

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3d ago

Security Architect-Consultant(13280) Location: 100% Remote United States Job Overview We are seeking an experienced Security Architect-Consultant / Security Engineer to support the Division of Information Security. This role will focus on cybersecurity automation, security tool development, Identity and Access Management (IAM), Linux systems, enterprise security platforms, system integration, and security operations. The successful candidate will work with security architects, engineers, SOC an

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Contract

Depends on Experience

Platform Engineer(On-site)

Sunnyvale, California

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2d ago

Job Title: Site Reliability Engineer (SRE)Location: Sunnyvale, CA (On-site)Duration: Long-Term Contract Job DescriptionWe are seeking a highly motivated Site Reliability Engineer (SRE) to support mission-critical AI and GPU infrastructure in a high-performance production environment. The ideal candidate will have experience supporting GPU platforms, embedded infrastructure, compute, networking, and storage systems while ensuring high availability, reliability, and operational excellence. As an S

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Third Party, Contract

Depends on Experience

Systems Administrator

Remote or San Francisco, California

•

Today

Description We are looking for a Linux Systems Administrator to support a Financial Services organization with critical on-premises infrastructure initiatives in San Francisco, California. This Contract position is designed for someone who is detail oriented and can balance hands-on Linux administration with automation, storage, virtualization, and security work across several priority projects. The engagement is expected to run for approximately 3 months and may continue based on business needs

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Contract

USD 60.00 - 65.00 per hour

Network Security Engineer

Santa Clara, California

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Today

Benefits: HYBRID Competitive salary Opportunity for advancement Network Security Engineer Fort Collins, CO (Hybrid) Type: Contract (C2C) Interview Mode: Virtual Seeking a senior Network Security Engineer to lead firewall modernization, VPN transformation, zero-trust implementation, and enterprise vulnerability management across enterprise lab environments. This role supports secure, scalable, and compliant next-generation infrastructure platforms. Core Responsibilities : Firewall & Networ

Full-time

USD 50.00 - 60.00 per hour

Software Engineer

Milpitas, California

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4d ago

Airspan Careers SOFTWARE ENGINEER Location: In office, Milpitas, CA ABOUT AIRSPAN NETWORKS Airspan Networks is a leading provider of groundbreaking wireless solutions, enabling connectivity for the next generation of mobile and fixed networks. With a global presence, Airspan focuses on delivering innovative technologies that drive advancements in Open RAN and accelerate 5G adoption worldwide. Backed by strong investments and a team of world-class experts, Airspan supports telecom operators and

Full-time

USD 264,514.00 per year

Sr Linux Administrator

Long Beach, California

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Today

At Relativity Space, we're building rockets to serve today's needs and tomorrow's breakthroughs. Our Terran R vehicle will deliver customer payloads to orbit, meeting the growing demand for launch capacity. But that's just the start. Achieving commercial success with Terran R will unlock new opportunities to advance science, exploration, and innovation, pioneering progress that reaches beyond the known. Joining Relativity means becoming part of something where autonomy, ownership, and impact ex

Full-time

USD 103,000.00 - 155,000.00 per year

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

Technical Consultant - Integrated Support

Redlands, California

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Today

Overview A Technical Consultant will work directly with customers to support and implement ArcGIS enterprise systems through integrated support and premium support activities. A Technical Consultant will work closely with enterprise customers to establish technical solutions, provide ongoing support, and help customers maximize their investment in GIS technology. This role focuses on technical troubleshooting, system administration, and customer success through hands-on enterprise system suppor

Full-time

USD 84,240.00 - 142,480.00 per year

Cybersecurity Engineer (SOAR) [JOB ID 20260804]

Remote or Phoenix, Arizona

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Today

Phoenix Cyber is looking for Cybersecurity Engineers to join our client delivery team. This is a remote, work-from-home position with the possibility of minimal travel within the continental United States. Requirements: Degree in a STEM related discipline and/or a minimum 5 years of experience2+ years of experience developing with PythonWorking knowledge of scripting languages Bash and PowerShellAt least 3 years of experience in software development with COTS integrationWorking knowledge of one

Full-time

USD 70,000.00 - 130,000.00 per year

Senior Infrastructure Automation Engineer / SME remote

Remote

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Today

Position Summary The Senior Infrastructure Automation Engineer will serve as a senior technical leader and subject matter expert driving infrastructure modernization across compute, storage, virtualization, Windows (preferred), Linux, cloud, and automation domains. This role requires a unique blend of hands-on engineering expertise and strategic architectural leadership, with responsibility for designing, building, and modernizing automation frameworks, infrastructure pipelines, and Infrastruct

Contract

90-125/hr

Tier I Technical Support Specialist

Edwards Air Force Base, California

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Today

SMS is looking for a Tier I Technical Support to support our ARTEMIS team. ARTEMIS VI provides comprehensive Information Technology support services to the Air Force Research Laboratory (AFRL) at Edwards Air Force Base, California. The team supports more than 500 personnel across both classified and unclassified research environments, ensuring the availability, security, and reliability of critical IT systems that enable the AFRL mission. The contract includes a wide range of technical and admin

Full-time

Tier 1 Technical Support

Edwards Air Force Base, California

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Today

Full-time

Sr. Systems Engineer

Los Angeles, California

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Today

We're looking for talented professionals to join us in bringing smart money management and payment solutions to everyone's fingertips. This position is classified as structured hybrid, with an expectation of a minimum of three (3) days per week working in the office and flexibility to work remotely on the remaining days. On-site expectations may evolve over time to support business needs, with clear communication provided in advance. JOB DESCRIPTION Location Requirement This position is open

Full-time

USD 87,500.00 - 131,100.00 per year

AI Infrastructure & Platform Operations Engineer (remote in the US)

Remote

•

Today

Company Description Mirantis is the Kubernetes-native AI infrastructure company, enabling organizations to build and operate scalable, secure, and sovereign infrastructure for modern AI, machine learning, and data-intensive applications. By combining open source innovation with deep expertise in Kubernetes orchestration, Mirantis empowers platform engineering teams to deliver composable, production-ready developer platforms across any environment-on-premises, in the cloud, at the edge, or in so

Full-time

Linux Administration jobs in California, USA