Systems Administrator

Our client is seeking a dedicated Systems Administrator for an on-site role in San Diego, CA. This position supports critical U.S. Department of Defense and federal agency operations, providing expert management of IT infrastructure, cybersecurity, and systems engineering. As a key team member, you will maintain system integrity, perform software and hardware upgrades, troubleshoot technical issues, and ensure optimal system performance. The role involves administering Active Directory, managing PKI credentials, and supporting secure and compliant IT environments. Ideal candidates will have experience supporting government IT systems and a strong focus on cybersecurity best practices.

• Active Secret clearance
• Must have an active IAT II-qualifying certification (e.g., Security+, CySA+)
• 3-5+ years of Systems Administrator experience
• Experience with Active Directory, DNS, GPO, WSUS
• Knowledge of system backup, recovery, and software upgrades

At Seneca Resources, we are more than just a staffing and consulting firm - we are your trusted career partner. With offices nationwide and a diverse range of clients, we provide opportunities that propel professionals forward while making an impact. When you work with us, you benefit from competitive pay, comprehensive health coverage, 401(k) matching, and dedicated support to help you achieve your career goals. We are committed to fostering an inclusive and diverse workplace where all qualified individuals are encouraged to apply.