public-key-infrastructure jobs in San Diego

Senior Principal System Administrator responsible for managing and maintaining a classified development and integration test environment, including Windows and Red Hat Enterprise Linux servers, VMware virtualization infrastructure, and network hardware. The role requires strong Linux and Windows Server administration expertise, cybersecurity compliance knowledge (DISA STIGs, Nessus, PKI), and experience supporting classified networks.…See more Responsibilities include patching workflows, ePO/McAfee integration, vulnerability scanning, system accreditation support, and maintaining DoD-mandated security posture; some after-hours support for maintenance and incident response required.

Enterprise IT Systems Engineer supporting mission-critical Department of Defense environments with 12+ years of experience designing and administering secure, scalable infrastructure. Responsibilities include managing Microsoft Active Directory, PKI, enterprise backup/disaster recovery, storage area networks, Hyper-Converged Infrastructure, and virtualization platforms (VMware, Kubernetes, Docker).…See more Must demonstrate expertise in DoD cybersecurity compliance (RMF, STIGs), cloud services (Office 365, IaaS/PaaS), and secure system technologies including encryption, VDI, and VoIP. Requires TS/SCI clearance and ability to obtain DoD 8570.11 IAT Level II certification within 30 days.