system-administration jobs in San Diego

BAE Systems seeks a Platform DevSecOps Engineer to lead infrastructure teams designing, implementing, and maintaining on-premises systems with focus on security, scalability, and reliability. The role centers on developing CI/CD pipelines, automating infrastructure provisioning using tools like Ansible, Puppet, or Chef, and implementing security best practices across cloud and air-gapped environments.…See more The engineer will troubleshoot production incidents, monitor system performance, and stay current with DevSecOps practices. Requires proven DevSecOps experience, ability to obtain TS/SCI clearance, hands-on Kubernetes/Docker containerization, scripting in Python/Bash/PowerShell, and Linux/Unix administration.

This role provides hands-on technical support to the Global Command and Control Systems – Maritime (GCCS-M) Product Support Team, resolving complex help desk tickets, conducting rapid-response troubleshooting on USS Naval Vessels, and leading installations of GCCS-M baselines to the Fleet. You will administer diverse C4I environments (RHEL/Unix/Linux/Windows), manage casualty reports in Helix, and travel 25–40% to CONUS and OCONUS locations for on-site system configuration and maintenance.…See more Experience with Linux, Windows Server, VMware virtualization, network administration, and C4I systems (including Link 11 and related peripherals) is expected. You must hold an active Secret clearance and CompTIA Security+ certification.

S. Navy ships and shore commands.…See more System Analyst (SAISA) will provide IT systems support, troubleshooting, and technical training for Naval Forces Logistics systems (R-Supply, OMMS-NG, NALCOMIS) across U.S. Navy ships and shore commands. Responsibilities include NTCSS System Administrator duties, life cycle management for hardware/software, operator training, and Navy/Marine Corps Intranet (NMCI) support. The role requires extensive Linux command knowledge, experience troubleshooting Force Level NTCSS systems, and CompTIA Security+ certification with ongoing continuing education enrollment.