Last updated: 2025-11-09
44 It Systems Administration jobs in San Diego.
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: Systems Engineering, Agile, Linux, VMware, TCP/IP, Security+, Public Key Infrastructure, Cloud Computing, Red Hat, Splunk
- Level: mid
- Type: full_time
BioMed Realty
At BioMed Realty, our purpose is to provide mission-critical infrastructure that expands the innovation capacity of our tenants to advance human health and unl…
San Diego
- Skills: Help Desk, Technical Support, Troubleshooting, Microsoft Windows, AV Systems, System Administration, Networking, Customer Service, Desktop Support, Installation
- 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 intelli…
San Diego
- Skills: Linux System Administration, automation tools, Puppet, Ansible, Python, configuration management, cloud-based SaaS, infrastructure automation, Red Hat Linux, AI-enhanced technology
- Level: senior
- 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: network design, SDN, SD-WAN, network topologies, network templates, security appliances, network documentation, DevSecOps, Python, networks
- 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: Linux, Cloud Infrastructure, Automation, Python, DevOps, Configuration Management, Database Migration, Monitoring, ServiceNow, Networking
- Level: mid
- 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…
Carlsbad
- Skills: Cybersecurity, NIST RMF, Cisco, Juniper, Ubuntu, Red Hat, VMware ESXi, NetApp, Splunk, FIPS
- Level: senior
- Type: full_time
LightEdge
LightEdge is an enterprise-grade cloud services and colocation company focused on the needs of businesses and their critical IT requirements.
San Diego
- Skills: IBM Power, AS/400, networking, replication, system administration, security setups, backup and restore, capacity planning, Power HA, Help Systems
- Level: senior
- Type: full_time
General Dynamics
GDIT is a global technology and professional services company that delivers consulting, technology, and mission services to every major agency across the U.S. …
San Diego
- Skills: network engineering, systems engineering, Windows administration, cybersecurity, testing, configuration management, VLANs, VMware, Wireshark, routing
- Level: mid
- Type: full_time
The AES Corporation
AES is a Fortune 500 company that's leading the charge in the global energy revolution, with operations spanning 14 countries and a commitment to shaping a sus…
San Diego
- Skills: network engineering, Cisco SD-WAN, firewalls, IPSec VPN, OSPF, BGP, EIGRP, Cisco ISE, SNMP, compliance
- Level: mid
- Type: full_time
SkySafe
SkySafe’s advanced drone detection technology enables organizations to identify, track, and analyze drone activity. Its cloud-based SaaS platform offers comple…
San Diego
- Skills: Linux, cloud-based, drone detection, system provisioning, DevOps, scripting, AWS, CI/CD, network infrastructure, sensor integration
- Level: mid
- Type: full_time
L3Harris Technologies
Carlsbad
- Skills: cybersecurity, infrastructure, Linux, Windows Server, networking, compliance, NIST, virtualization, Splunk, risk management
- Level: senior
- Type: full_time
University of St. Augustine for Health Sciences
The mission of the University of St. Augustine for Health Sciences is the development of professional healthcare practitioners through innovative, individualiz…
San Marcos
- Skills: cybersecurity, SIEM, vulnerability management, incident response, cloud systems, network security, Windows, Linux, MacOS, firewalls
- Level: mid
- Type: full_time
Booz Allen Hamilton
Booz Allen is an advanced technology company delivering outcomes with speed for America’s most critical defense, civil, and national security priorities. We bu…
San Diego
- Skills: Windows OS deployment, PowerShell scripting, Systems management, MECM, OSD Task Sequences, Image creation, Process improvement, Virtual machines, Automation, Debugging
- Level: mid
- Type: full_time
SkillStorm
SkillStorm is the nation’s fastest-growing I.T. Services company. We have been providing technology consulting, outsourcing and staffing solutions since 2002.
San Diego
- Skills: data center operations, IT systems, network administration, server administration, data management, fiber infrastructure cabling, environmental monitoring, ITIL, ISO certification, power and cooling technologies
- Level: entry
- Type: full_time
Booz Allen Hamilton
Booz Allen is an advanced technology company delivering outcomes with speed for America’s most critical defense, civil, and national security priorities. We bu…
San Diego
- Skills: VMware, vSphere, vCenter, NSX, VSAN, PowerShell, data protection, disaster recovery, business continuity, technical specifications
- Level: mid
- Type: full_time
SkillStorm
SkillStorm is united in one purpose: To accelerate opportunity by wiping out the skill gap with a groundbreaking strategy for creating tech talent.
San Diego
- Skills: performance testing, load testing, Windows, Linux, HTTP, TCP/IP, data analysis, network security, troubleshooting, performance bottlenecks
- Level: mid
- Type: full_time
Booz Allen Hamilton
Booz Allen is an advanced technology company delivering outcomes with speed for America’s most critical defense, civil, and national security priorities.
San Diego
- Skills: network architecture, system operational support, data center, remote access connections, network automation, Cisco Certified Network Associate, network security, network diagrams, software defined networking, network performance
- Level: mid
- Type: full_time
INflow Federal
INflow Federal is a mission-driven small business delivering cutting-edge solutions in Network Modernization, Cybersecurity, and Data Modernization to support …
San Diego
- Skills: Systems Engineer, Linux Administration, Cybersecurity, Red Hat Enterprise Linux, AWS, Scripting, LDAP, Automation, DevSecOps, Network Modernization
- 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®.
San Diego
- Skills: AI integration, OpenStack, Python programming, Linux architecture, Infrastructure as code, Terraform, Puppet, Kubernetes, Docker, Cloud technologies
- 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 portf…
San Diego
- Skills: network monitoring, TACNET, ADNS, CANES, CENTRIXS, ISNS, network troubleshooting, help desk support, Cisco, Windows Server
- Level: entry
- Type: full_time