Hiring: Senior Principal System Administrator Company: BAE Systems, Inc. Location: San Diego, CA Job Posted Time: 2026-09-03 11:17:08 Employment Type: Full-time Target Skills & Keywords : Bash, DNS, Defense Industry, Linux, Microsoft Excel, Microsoft Office, Microsoft PowerPoint, PKI, PowerShell, RHEL, Red Hat, SQL Server, Windows Server About the job Required Skills: •This position is 100% onsite within a closed, classified area. Some after-hours or weekend support may be required for maintenance windows or incident response. You must be able to lift equipment (up to 40lbs) and work within controlled environments. •Solid experience operating within VMware infrastructure •Proficient in RedHat 7/8/9 administration; strong command of Linux RHEL patching workflows and package management tools (e.g., YUM/DNF) •Strong Microsoft Windows and Microsoft Server OS administration and installation experience •Familiarization with Public Key Infrastructure (PKI) •Good verbal and written communication skills Interested candidates, please apply directly through the job posting on company's career page or try via AI auto apply on this platform. Don't miss this opportunity to join a forward-thinking team!