Last updated: 2025-06-06

25 It Systems Administration jobs in San Diego.

Hiring now: Adns Sr Network Engineer @ Sigma Defe, Infrastructure Engineer @ Atec Spine, Network Administrator @ Palomar He, Network Design Engineer @ Inflow Fed, Associate Systems Engineer @ Innovative, Associate Systems Engineer @ Innovative, Sr Systems Engineer Linux Operations @ Servicenow, Onsite It Engineer @ Avint, Midrange Engineer Aix Midrange Engineer @ Lightedge, Sr Help Desk Coordinator @ Biomed Rea. Explore more at at jobswithgpt.com

🔥 Skills

Linux (6) troubleshooting (5) system administration (5) Cisco (4) Active Directory (3) customer service (3) Windows (3) configuration management (3) performance tuning (3) security compliance (3)

📍 Locations

San Diego (16) Carlsbad (2) Poway (1)

Sigma Defense

Sigma Defense is a company specializing in converging voice, video, and data communications between ship and shore through advanced network systems.

ADNS Senior Network Engineer

San Diego

  • Skills: ADNS, Network Engineering, Cisco Routing and Switching, Government Systems, WAN/LAN, Security+, CCNA, Cisco C3850, Palo Alto Firewalls, Technical Documentation
  • Experience: At least 7 years of experience in DoD or Government Unclassified and Classified Systems/Networks, Cisco Routing and Switching, Network Engineering, Network Testing, and Implementation Planning.
  • Salary: $100,000 - $140,000 annually

ATEC Spine

Infrastructure Engineer

Carlsbad

  • Skills: Infrastructure, Cloud, VMWare, Active Directory, DNS, Server Administration, Monitoring, Security, Compliance, Project Management
  • Experience: 3+ years of professional experience
  • Type: Full-Time
  • Salary: $98,000 to $104,000

Palomar Health Medical Group

Network Administrator

Poway

  • Skills: network specifications, router administration, network performance, troubleshooting, security requirements, network access, monitoring, network policies, firewalls, customer service
  • Experience: Experience with customer service Help Desk protocols, practices and policies.
  • Type: Full-Time
  • Salary: 40.12 - 56.16

INflow Federal

INflow Federal has distinguished itself through our exceptional services because of our deep-rooted commitment to our people. The 'INflow difference' lies in o…

Network Design Engineer

San Diego

  • Skills: Network Design, Implementation, Cisco, Network Security, Troubleshooting, Software Updates, Hardware Upgrades, Local Area Network, Documentation, Monitoring
  • Experience: Five years of experience in network administration, Five years of experience configuring Cisco switches.
  • Type: Full-time
  • Salary: $100,000 - $160,000 a year

Innovative Defense Technologies

Provider of cutting-edge cloud-based integration, automated testing and data analysis for complex, mission-critical systems in the US Department of Defense.

Associate Systems Engineer

San Diego

  • Skills: Cloud Computing, Automated Testing, Data Analysis, Systems Engineering, Linux, Windows, Virtualization, Networking, Security Clearance, Customer Support
  • Experience: 2+ years of experience in a relevant technology field
  • Type: Full-time
  • Salary: $74,000 - $116,000 or $90,000 - $150,000

Innovative Defense Technologies (IDT)

Provider of cutting-edge cloud-based integration, automated testing and data analysis for complex, mission-critical systems in the US Department of Defense (DO…

Associate Systems Engineer

San Diego

  • Skills: cloud computing, cybersecurity, virtualization, Linux, Windows, networking protocols, Docker, automation scripts, Navy tactical systems, documentation
  • Experience: 2+ years of experience in a relevant technology field or high level of interest and conceptual knowledge of relevant technologies.
  • Type: Full-time
  • Salary: $74,000 - $116,000 or $90,000 - $150,000

ServiceNow

ServiceNow stands as a global market leader, bringing innovative AI-enhanced technology to over 8,100 customers, including 85% of the Fortune 500.

Senior Systems Engineer - Linux Operations

San Diego

  • Skills: Linux, system administration, configuration management, troubleshooting, performance tuning, Bash scripting, CI/CD pipelines, security compliance, YUM repositories, automation
  • Experience: 4+ years of related experience
  • Type: Full-time
  • Salary: $126,700 - $215,400

Avint LLC

Avint is committed to hiring and retaining a diverse workforce. We are proud to be an Equal Opportunity and Affirmative Action Employer, making decisions witho…

ON-SITE IT Engineer

San Diego

  • Skills: network administration, Cisco, LAN, network security, troubleshooting, compliance, network performance, configuration, maintenance, DOD Clearance
  • Experience: Five years of experience in Network Administration; Five years of experience configuring Cisco switches.
  • Type: Full-time
  • Salary: $130,355.00 - $221,603.00

LightEdge

LightEdge Solutions is an enterprise-grade cloud services and colocation company focused on the needs of businesses and their critical IT requirements.

Midrange Engineer - AIX Midrange Engineer

San Diego

  • Skills: AIX, Power environment, system administration, backup, HA software, PowerHA, replication software, support, capacity planning, HMC
  • Experience: 3-5 years

BioMed Realty

BioMed Realty, a Blackstone portfolio company, is a leading provider of real estate solutions to the life science and technology industries.

Senior Help Desk Coordinator

San Diego

  • Skills: IT support, troubleshooting, network systems, hardware upgrades, Audio/Visual systems, Microsoft Windows, desktop support, system administration, technology migrations, customer service
  • Type: full_time
  • Salary: {'min': 33.65, 'max': 38.47, 'period': 'hourly', 'currency': 'USD'}

Rockstar Games

At Rockstar Games, we create world-class entertainment experiences.

Associate Systems Administrator

Carlsbad

  • Skills: Microsoft Windows, Active Directory, ServiceNow, SCCM, PC hardware, game development, first line support, IT procurement, environmental awareness, customer service
  • Type: full_time
  • Salary: {'min': 67000.0, 'max': 80000.0, 'period': 'annual', 'currency': 'USD'}

Eurofins Scientific

Eurofins Scientific is an international life sciences company, providing a unique range of analytical testing services to clients across multiple industries, t…

IT Generalist

San Diego

  • Skills: Laboratory Information Management Systems, Scripting Languages, Cloud Platforms, DevOps, Software Engineering, Database Management, IT Support, Troubleshooting, Automated Solutions, Cybersecurity
  • Type: full_time
  • Salary: {'min': 75000.0, 'max': 85000.0, 'period': 'annual', 'currency': 'USD'}

Sigma Defense

Sigma Defense Systems is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, relig…

Systems/Software Engineer, levels I-III

San Diego

  • Skills: Cisco, HPE, VMWare, Windows, Linux, Ansible, PowerShell, Python, DoD cybersecurity, STIG implementation
  • Type: full_time
  • Salary: {'min': 75000.0, 'max': 180000.0, 'period': 'annual', 'currency': 'USD'}

Teradata

At Teradata, we believe that people thrive when empowered with better information. That’s why we built the most complete cloud analytics and data platform for …

Staff Systems Design Engineer

San Diego

  • Skills: z/OS, mainframe, automation, capacity planning, performance tuning, DFSMS, VSAM, Db2, CICS, Jira
  • Type: full_time
  • Salary: {'min': None, 'max': None, 'period': '', 'currency': ''}