gpo jobs in San Diego

ManTech seeks a Systems Administrator to maintain critical national security enterprise infrastructure in San Diego, working a 0100–0900 morning shift with on-call support. Responsibilities include administering Windows servers, domain controllers, cloud resources, and VMware environments; configuring and troubleshooting TACLANE cryptographic network encryptors; performing patch management, vulnerability remediation (ACAS/Nessus), and system hardening; and managing user accounts and ticketing incidents.…See more Requires a bachelor's degree with 4+ years of IT experience (or equivalent substitution), DoD 8570 IAT Level II compliance (Security+ CE or equivalent), 4+ years of enterprise Windows infrastructure design/deployment, and hands-on TACLANE encryptor experience. Up to 25% travel (CONUS and OCONUS) is required.

Senior Engineer responsible for maintaining and managing enterprise networking infrastructure, including Cisco Catalyst routers/switches, wireless controllers, firewalls, and VPN tunnels. The role requires hands-on expertise in network analysis tools (Wireshark, AirMagnet), x509 certificate management, and troubleshooting IPv4/IPv6 protocols.…See more Candidates must have 5+ years of experience across multiple areas including Cisco/Aruba wireless controllers, firewalls (ASA, PAN, SRX), Active Directory, virtualization platforms (VMware, Hyper-V), and Windows/SQL Server administration.

Lead Information Assurance and security engineering for Navy tactical networks (CANES), managing end-to-end Risk Management Framework (RMF) authorization, hardening virtualized and cloud network stacks, and ensuring compliance across diverse naval environments. Develop and maintain security authorization artifacts (SSP, SAP/SAR, POA&M, ATO packages in eMASS), apply DISA STIGs and vulnerability management tools (ACAS, NESSUS, SCAP), and provide IA guidance for application integration aligned with DoDAF and Net-Ready KPP baselines.…See more Support developmental testing, audit response, and continuous monitoring while coordinating with PEO C4I, NIWC Pacific, and Fleet stakeholders. Mentor junior engineers and champion DevSecOps and STIG automation practices.

The Systems Administrator II maintains and supports IT infrastructure integrity, availability, and performance for a DoD contract environment. Key responsibilities include Active Directory administration (ADUC, DNS, GPO, WSUS), PKI credential management, system maintenance, software/hardware upgrades, troubleshooting, and compliance monitoring via DISA STIGs.…See more The role requires a Bachelor's degree in IT or related field, 3+ years of relevant experience, and an IAT Level II certification (CySA+, Security+, CCNA Security, GICSP, GSEC, or SSCP).