Last updated: 2025-07-24

21 It Systems Administration jobs in Los Angeles.

Filters: Categories: It Systems Administration | Locations: Santa Ana

SpaceX

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 Spa…

HIGH PERFORMANCE COMPUTING (HPC) SYSTEMS ENGINEER

Hawthorne

  • Skills: HPC systems, Linux, scripting, automate tasks, cluster management, monitoring technologies, scientific computing, GPU, containers, configuration management
  • Level: mid
  • Type: full_time

NYC Department of Environmental Protection (DEP)

The NYC Department of Environmental Protection (DEP) enriches the environment and protects public health for all New Yorkers by providing 1.1 billion gallons o…

Certified IT Administrator

Corona

  • Skills: telecommunications planning, network troubleshooting, network performance monitoring, network configurations, technical collaboration, system integrity, best practices, telecommunications needs assessment, analytics, IT system support
  • Level: mid
  • Type: full_time

SpaceX

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 Spa…

SR. IT SYSTEMS ENGINEER

Hawthorne

  • Skills: Windows operating system, Active Directory, PowerShell, PKI standards, encryption methods, automation, high availability, networking, monitoring, DevOps
  • Level: senior
  • Type: full_time

Sony Interactive Entertainment

PlayStation isn’t just the Best Place to Play — it’s also the Best Place to Work. Today, we’re recognized as a global leader in entertainment producing The Pla…

TechOps Systems Administrator (Contract)

Aliso Viejo

  • Skills: Linux CLI troubleshooting, Kubernetes administration, Networking knowledge, IT service delivery, Bash scripting, automation tools, container orchestration, public cloud infrastructure, ServiceNow, Jira
  • Level: mid
  • Type: contract

CIM Group

CIM is a community-focused real estate and infrastructure owner, operator, lender, and developer. Our team of experts works together to identify and create val…

Infrastructure Engineer

Los Angeles

  • Skills: infrastructure, IT architecture, servers, data networks, system needs, cybersecurity, MS Office 365, Azure, technology, solutions
  • Level: mid
  • Type: full_time

Northrop Grumman

At Northrop Grumman, our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today, and for ge…

Staff SW Engineer

Redondo Beach

  • Skills: Red Hat Enterprise Linux, C++, Python, Kubernetes, DevOps, Agile, Linux Kernel, Networking Standards, Containerized Applications, Security+ Certification
  • Level: senior
  • Type: full_time

L3Harris Technologies

L3Harris is dedicated to recruiting and developing high-performing talent who are passionate about what they do. Our employees are unified in a shared dedicati…

Senior Red Hat Systems Administrator

Anaheim

  • Skills: Kubernetes, Docker, Linux Red Hat, VMware, Ansible, DevOps, System Administration, Network, Automation, Security Clearance
  • Level: senior
  • Type: full_time

Northrop Grumman

At Northrop Grumman, our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today, and for ge…

Senior Principal Network Engineer

Redondo Beach

  • Skills: network design, network deployment, DISA STIGs, Cisco Systems, WAN configurations, network monitoring, information assurance, network integration, system performance tuning, security certification
  • Level: senior
  • Type: full_time

The Boeing Company

Boeing Defense, Space and Security (BDS) Space, Intelligence and Weapon Systems (SI&WS) Ground and Mission Systems Engineering (GMSE) division creates the next…

Ground Systems Engineer (Experienced or Senior)

Seal Beach

  • Skills: network performance, network infrastructure, security incidents, network management, DevSecOps, JIRA, Confluence, Cisco Certified Network Associate, network engineering, ground systems maintenance
  • Level: mid
  • Type: full_time

Boeing

At Boeing, we innovate and collaborate to make the world a better place. We’re committed to fostering an environment for every teammate that’s welcoming, respe…

Ground Systems Engineer (Experienced or Senior)

Seal Beach

  • Skills: Ground Systems Engineer, network performance, network infrastructure, security incidents, network management, CompTIA Security+, JIRA, Confluence, Cisco Certified Network Associate, Cisco Certified Network Professional
  • Level: mid
  • Type: full_time

L3Harris Technologies

L3Harris has transformed communications and information technology. L3Harris is a proven leader in tactical communications, geospatial systems and services, ai…

Senior Red Hat Systems Administrator

Anaheim

  • Skills: Linux, Red Hat, Kubernetes, Docker, DEVOPS, virtual environments, performance tuning, automated processes, Red Hat Ansible, Jenkins
  • Level: senior
  • Type: full_time

SAIC

SAIC is a premier Fortune 500® mission integrator focused on advancing the power of technology and innovation to serve and protect our world. Our robust portfo…

Infrastructure Service Delivery Manager

Anaheim

  • Skills: Infrastructure, Service Delivery, AWS, Azure, Disaster Recovery, IT Operations, Cybersecurity, Database Management, VMWare, ITIL
  • Level: senior
  • Type: full_time

L3Harris Technologies

Information Technology IT Architecture

Anaheim

  • Skills: system administration, LAN, networking, backup technologies, SCCM, Ansible, SharePoint, Apache, Java, technical communication
  • Level: mid
  • Type: full_time

Mapletree

Mapletree is a global real estate development, investment, capital and property management company committed to sustainability. Its strategic focus is to inves…

Network Engineer

Long Beach

  • Skills: Network Engineer, SD-WAN, network switches, firewall, network administration, network security protocols, Azure, Alibaba Cloud, communication protocols, routing protocols
  • Level: mid
  • Type: full_time

Sony Interactive Entertainment

Sony Interactive Entertainment is seeking a Senior Data Center Operations Engineer to run the daily operations of its global data centers and POP locations. Th…

Senior Data Center Operations Engineer

Los Angeles

  • Skills: data center operations, network infrastructure, server hardware, Juniper, Ciena, OTDR, BER testing, cabling, SOW documents, hardware deliveries
  • Level: mid
  • Type: full_time

NBCUniversal

NBCUniversal is one of the world's leading media and entertainment companies. We create world-class content, which we distribute across our portfolio of film, …

Senior Systems Engineer

Los Angeles

  • Skills: Systems Engineer, media production, enterprise IT, technical solutions, cyber security, cloud computing, networking, video infrastructure, media technology, 24x7 operations
  • Level: mid
  • Type: full_time

Northrop Grumman

At Northrop Grumman, our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today, and for ge…

PC Network Support Technician 3

Redondo Beach

  • Skills: networking principles, Windows Server, Active Directory, CompTIA Network+, ServiceNow, VMware VDI, technical support, customer satisfaction, security clearance, field support
  • Level: mid
  • Type: full_time

viantinc

Database Administrator (DBA)

Irvine

  • Skills: Database Administration, AWS, Google Cloud Platform, Data Systems, Infrastructure, Performance, Automation, Reliability, Cloud Platforms, DBA
  • Level: mid
  • Type: full_time

System1

Help Desk Technician

Los Angeles

  • Skills: Help Desk, Technical Support, Infrastructure, IT Solutions, Hardware, Software, Problem Resolution, Internal Users, Troubleshooting, Communication
  • Level: mid
  • Type: full_time

The Boeing Company

Boeing Defense, Space & Security (BDS), Space and Launch Organization seeks a Linux System Administrator for our Proprietary Programs in Seal Beach, CA to supp…

Linux System Administrator (Associate)

Seal Beach

  • Skills: Linux, system integration, server configuration, backup procedures, user access administration, VMware, Kubernetes, scripting, automation, Risk Management Framework
  • Level: mid
  • Type: full_time