Last updated: 2025-07-24
10 It Systems Administration jobs in San Diego.
Sigma Defense
Sigma Defense is a company specializing in converging voice, video, and data communications between ship and shore through advanced network systems.
San Diego
- Skills: ADNS, Network Engineering, Cisco Routing and Switching, Government Systems, WAN/LAN, Security+, CCNA, Cisco C3850, Palo Alto Firewalls, Technical Documentation
- Level: senior
- Type: full_time
ATEC Spine
Carlsbad
- Skills: Infrastructure, Cloud, VMWare, Active Directory, DNS, Server Administration, Monitoring, Security, Compliance, Project Management
- Level: mid
- Type: full_time
Sigma Defense
Sigma Defense Systems is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, relig…
San Diego
- Skills: Cisco, HPE, VMWare, Windows, Linux, Ansible, PowerShell, Python, DoD cybersecurity, STIG implementation
- Level: mid
- Type: full_time
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 …
San Diego
- Skills: z/OS, mainframe, automation, capacity planning, performance tuning, DFSMS, VSAM, Db2, CICS, Jira
- Level: mid
- Type: full_time
Sigma Defense
Sigma Defense is an Equal Opportunity Employer/Veterans/Disabled.
San Diego
- Skills: C4I Systems, MQ-25, Unmanned Carrier Aviation, DoD, Government Networks, Network Integration, Testing, Microsoft Windows, Naval Operations, IAT level II
- 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…
San Diego
- Skills: network engineering, TCP/IP, network automation, Ansible, Python, network security, datacenter, Cisco, routing protocols, troubleshooting
- Level: mid
- Type: full_time
Leonardo DRS, Inc.
DRS Daylight Solutions business provides industry-changing photonic engine technology for government and commercial markets, including defense and security, qu…
San Diego
- Skills: systems administration, virtualization, SQL Server optimization, PowerShell automation, network performance, backup solutions, disaster recovery, endpoint management, system provisioning, user account management
- Level: mid
- Type: full_time
Avint LLC
Avint LLC is a dynamic and mission-driven company supporting the public sector in the cybersecurity industry.
San Diego
- Skills: cybersecurity, network administration, Cisco, LAN, network design, network security, network performance, troubleshooting, software updates, hardware upgrades
- Level: mid
- Type: full_time
Applied Intuition
Applied Intuition is the vehicle intelligence company that accelerates the global adoption of safe, AI-driven machines. Founded in 2017, Applied Intuition deli…
San Diego
- Skills: IT operations, system administration, server support, desktop support, Google Workspace, Active Directory, SaaS applications, networking protocols, security clearance, data protection
- Level: mid
- Type: full_time
ServiceNow
At ServiceNow, our technology makes the world work for everyone, and our people make it possible. We move fast because the world can’t wait, and we innovate in…
San Diego
- Skills: Configuration Management, Automation, SaaS, Cloud Operations, Troubleshooting, Monitoring, Performance Management, Load Balancing, Machine Learning, Big Data
- Level: mid
- 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 portf…
San Diego
- Skills: information technology, network engineer, US Navy, server support, break/fix, LAN, network components, remote support, ticketing systems, databases
- Level: mid
- Type: full_time
ATEC
Alphatec Spine, Inc. is committed to providing equal employment opportunities to its employees and applicants without regard to race, color, religion, national…
Carlsbad
- Skills: technical support, help desk, ticketing system, level 1 assistance, end user support, hardware troubleshooting, software installation, knowledgebase, IT issues, Microsoft Administration certification
- Level: entry
- Type: full_time
Rady Children's Hospital-San Diego
San Diego
- Skills: troubleshooting, end user devices, Windows operating systems, remote support, Active Directory, EMR systems, desktop applications, communication skills, customer service, ticketing systems
- Level: mid
- Type: full_time
Eurofins Scientific
Eurofins Scientific is an international life sciences company, providing a unique range of analytical testing services to clients across multiple industries, t…
San Diego
- Skills: laboratory automation, information technology, bioinformatics, software development, data management, cloud computing, IT project execution, problem-solving, scripting languages, cybersecurity
- Level: mid
- 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…
San Diego
- Skills: Tactical Networks, DevOps, Windows, Redhat, software engineering, agile methodology, configuration management, Cloud Computing, object-oriented programming, C4ISR systems
- Level: senior
- Type: full_time
Peraton
Peraton is a next-generation national security company that drives missions of consequence spanning the globe and extending to the farthest reaches of the gala…
San Diego
- Skills: network engineer, security certification, DoD clearance, network design, virtualization technologies, SNMPv3, network diagrams, firewall configuration, network infrastructure, enterprise networks
- Level: mid
- Type: full_time
ServiceNow
ServiceNow stands as a global market leader, bringing innovative AI-enhanced technology to over 8,100 customers, including 85% of the Fortune 500. Our intellig…
San Diego
- Skills: Site Reliability Engineering, Automation, Scripting, DevOps, Cloud Technologies, Monitoring, Linux, Database, Performance Tuning, Networking
- Level: mid
- 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…
San Diego
- Skills: Active Directory, Azure, Endpoint Management, Scripting, Jamf, Linux, NAS, Networking, DNS, Virtualization
- Level: mid
- Type: full_time
Peraton
Peraton is a next-generation national security company that drives missions of consequence spanning the globe and extending to the farthest reaches of the gala…
San Diego
- Skills: Cyber Systems, RHEL, HP-UX, Jenkins, STIGs, Virtualization, Automation, Disaster Recovery, Networking, Scripting
- Level: mid
- Type: full_time
SAIC
SAIC® is a premier Fortune 500® mission integrator focusing on advancing the power of technology and innovation to serve and protect our world. Our robust port…
San Diego
- Skills: cloud infrastructure, AWS, Azure, IaC, security practices, Terraform, system engineering, performance optimization, cloud adoption, data protection
- Level: senior
- Type: full_time