Last updated 2026-08-08 · 6 listed in the past 7 days · 18 in the past 30 days

44 IT Systems Administration Jobs in Long Beach, CA, United States

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CSU

Aug 6
Linux Systems Administrator II
Fullerton, CA, United States mid
  • Applies systems administration knowledge and technical expertise to ensure the availability, reliability, performance, and security of ente…
  • Duties and Responsibilities Under general supervision, the Linux Systems Administrator II is responsible for the installation, configuratio…

Quantum Electronic Payments

Jul 21
Senior Systems Administrator
Anaheim, CA, United States senior Full Time $85k-105k/yr
  • The Senior Systems Administrator will help ensure our employees have the access, equipment, systems, and support they need, while also…
  • We power mission-critical payment processing platforms used by merchants and partners across the U.S. We are looking for a dependable,…

Relativity Space

Jul 14
Sr Linux Administrator
Long Beach, CA, United States mid $103k/yr
  • About the Role: Strengthen the reliability, scalability, and performance of Relativity’s critical infrastructure platforms in Long Beach, s…
  • Solid grasp of networking fundamentals and experience troubleshooting at the network/system boundary Proven ability to manage and monitor l…

More roles at Relativity Space

Hyundai Autoever America

Jun 30
10331: Sr. Engineering Systems Administrator - Microsoft 365
Irvine, CA, United States senior Full Time
  • Engineering Systems Administrator – M365 is a specialized technical professional responsible for the design, implementation, and support of…
  • Maintain technical documentation, runbooks, and procedures.

Anduril Industries

Jun 23
IT Technician, Classified Programs
Costa Mesa, CA, United States mid Full Time $86k/yr
  • PREFERRED SKILLS AND EXPERIENCE: Previous support to classified IT systems.
  • Install, operate, maintain and troubleshoot air-gapped classified IT systems consisting of a variety of operating systems and hardware.

Masimo

Jun 22
Sr Engineer, IT Systems (Endpoint)
Irvine, CA, United States mid Full Time
  • Job Summary: The Senior IT Systems Engineer - Endpoint is responsible for the design, implementation, and ongoing management of enterprise…
  • Preferred Qualifications: Microsoft certifications (MCSA, MCSE, or newer Microsoft Azure/365 Certifications Experience with other endpoint…

Vast

Jun 12
Senior IT System Administrator
Long Beach, CA, United States senior Full Time $107k/yr
  • As a Senior IT System Administrator, you will be responsible for the management, support, and enhancement of the IT infrastructure,…
  • Preferred Skills & Experience: Proficiency in administering and managing endpoint and server automation systems.

Astroforge Io

Jun 8
IT Systems Administrator
Seal Beach, CA, United States mid
  • Administer identity and access management systems (SSO, MFA, and directory services) and manage provisioning and deprovisioning for all emp…
  • Design, deploy, and maintain corporate network infrastructure including switches, firewalls, VLANs, VPNs, and wireless access points suppor…

Confie

Jun 8
IT Security Analyst
Huntington Beach, CA, United States mid Full Time $110k-130k/yr
  • Employees with questions about Confie’s use of these computer systems should contact Human Resources at employeerelations@confie.com.
  • THIS IS NOT A REMOTE POSITION.

More roles at Confie

HPE

May 20
HPC Hardware Service Engineer, Irvine, CA, On-site, Irvine, CA
Irvine, CA, United States mid Full Time $92.7k-187.5k/yr
  • Routine daily work will include; opening, updating and the monitoring of cases; along with extensive troubleshooting, daily Break fix hardw…
  • Experience installing, troubleshooting and supporting enterprise-level servers, storage, and networking equipment.

Rocket Lab Corporation

May 18
Senior IT Network Engineer II
Long Beach, CA, United States senior Full Time $115k/yr
  • SENIOR IT NETWORK ENGINEER II Located onsite at Rocket Lab's Long Beach, CA facility, the Senior IT Network Engineer will…
  • WHAT YOU’LL GET TO DO: Be a senior member of the team that delivers a global focus on all the…

Boeing

Apr 24
Senior System Administrator
Seal Beach, CA, United States senior Full Time
  • The Senior System Administrator will handle system administration tasks, including infrastructure management, information security, softwar…
  • Position Responsibilities: Oversees system integration, hardware and software installation, configuration and disposition of servers, stora…

Virgin Galactic

Mar 26
Sr. Engineer, Linux
Tustin, CA, United States senior Full Time
  • The Senior Linux Engineer will report to the IT Manager, Cloud & Infrastructure and will be responsible for the reliability,…
  • Develop and maintain automation for provisioning, patching, and configuration management using scripting and tooling such as: Bash, Python,…

Bimeda

Jul 21
IT Specialist
Pomona, CA, United States mid $80k-94k/yr
  • Role Specific Requirements Provide technical support for IT infrastructure, systems, and end users.
  • This role focuses on providing reliable technical support, maintaining IT systems and infrastructure, and assisting with IT projects to ens…

Turion Space

Jul 20
Senior IT Engineer
Irvine, CA, United States senior Full Time $140k-180k/yr
  • As a Senior IT Engineer, you will be a technical leader and mentor on the IT Ops team, responsible for…
  • Design, build, and maintain automation for critical IT workflows, including employee onboarding/offboarding, software provisioning, system…

loanDepot

Jul 15
Sr. InfoSec Systems Engineer (Azure Cloud)
Irvine, CA, United States senior $121k/yr
  • Proven experience with Azure Cloud-based security engineering and hands-on implementation on security technologies Strong knowledge of Azur…
  • Serves as subject-matter expert for application security, engaging, collaborating, and advising on application security and application sec…

Fluxergy

Jul 8
Senior IT Support Specialist
Irvine, CA, United States senior Full Time $75k-85k/yr
  • This role is ideal for an experienced IT support professional who thrives on solving the hard problems, supporting executives and…
  • Occasionally assist with moving or installing IT equipment as needed.

More roles at Fluxergy

Glidewell Dental

May 27
Desktop Systems Analyst
Irvine, CA, United States mid Full Time $27.81-34/hr
  • Helps Coordinators and Desktop System Analyst team members with support topics.
  • Configures, installs, maintains, troubleshoots, and supports computer workstations, hardware, laptops, printers, scanners mobile devices, p…

Panasonic

Aug 7
Supervisor, IT Network Operations
Irvine, CA, United States senior Full Time
  • Supervise IT department operational planning/projects.
  • Responsibilities What We're looking for: Network Operations Supervise the deployment, monitoring, maintenance, development, upgrade and sup…

Saalex

Aug 6
Network Engineering Technician IV
Corona, CA, United States mid Full Time $33.25/hr
  • Essential Functions: Network Operations & Design: Assist in the design, deployment, and optimization of network infrastructure.
  • Requirements Required: Demonstrated networking expertise with routing, switching, TCP/IP, VLANs, and Cisco infrastructure.

360s2g

Aug 6
Net Admin (In Person)
Santa Ana, CA, United States mid Contract
  • ACtivities: Firewall Infrastructure & Security: Daily Administration: Manage and maintain Palo Alto next-gen firewall deployments daily.
  • Palo Alto: Expert management of Palo Alto Next-Generation Firewalls.

TEKsystems

Aug 6
Unified Communications Engineer (Active TS/SCI)
Seal Beach, CA, United States mid Full Time $190k-220k/yr
  • Must have an active TS/SCI security clearance.
  • The engineer monitors the organization's networks and connections, playing an active role in the installation of the Cisco network operatin…

Insight

Aug 4
Onsite IT Support Technician Newport Beach, CA- 6-month W2 contract
Newport Beach, CA, United States mid Full Time
  • Performs server hardware support, troubleshooting. *.
  • Networking: * Installs, tests, and configures network and data communication equipment such as switches, routers, firewalls, VPN devices, e…

ModernIT

Jul 27
Sr Systems Engineer, AI-Enabled Service Delivery in MSP (Hybrid)
La Verne, CA, United States mid Full Time $110k-130k/yr
  • Externally, this role is best understood as a Senior MSP Systems Engineer.
  • Provide technical leadership for complex issues across Microsoft 365, endpoints, networking, identity, access, and client environments, bot…

Columbia Bank

Jul 27
Network Security Engineer
Irvine, CA, United States mid Full Time $115k-140k/yr
  • Experience with security alert analysis, malware analysis, packet analysis, incident containment, eradication and recovery, and forensic in…
  • Administer one or more of the following core enterprise security services: Firewalls, Intrusion Detection/Prevention System, Proxy, Mail Ga…
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