lan-wan jobs in San Diego

This role supports cybersecurity engineering and infrastructure security for enterprise, cloud, and classified environments. The engineer will manage vulnerability assessment, system hardening, patching, secure configuration, and DevSecOps pipeline integration across Linux and Windows Server platforms.…See more Responsibilities include compliance support (RMF, ATO, NIST SP 800-53, DISA STIGs), CI/CD security automation, containerized environment hardening, and infrastructure-as-code implementation. Strong technical depth in cloud platforms (AWS/AWS GovCloud), container orchestration, security tooling, and the ability to communicate complex technical and compliance issues to engineering and mission stakeholders are required.

The Senior Systems Administrator designs, implements, and maintains enterprise IT infrastructure across cloud, endpoint, identity, server, and collaboration platforms. Responsibilities include administering Windows, Linux, and macOS systems; managing Active Directory, Azure AD/Entra ID, and endpoint platforms like Intune and JAMF; optimizing system performance and reliability; and developing automation scripts.…See more This role requires 5+ years of enterprise infrastructure experience, advanced knowledge of Microsoft identity and collaboration services, and acts as a technical lead for infrastructure projects while mentoring junior administrators.

Systems Engineer supporting U.S. Navy command and control programs under Naval Information Warfare Systems Command (NAVWAR), responsible for maritime surveillance and C2 capability integration for partner nations.…See more Core duties include requirements definition and traceability, system-of-systems architecture across dissimilar systems, interface definition and control, test/verification/validation planning, technical trade studies, and coordination across multiple program offices. The role demands hands-on systems engineering discipline: turning partner-nation requirements into defined interfaces, integrating capabilities never designed to interoperate, and verifying results meet specifications. Must be comfortable with computing and network environments (LAN/WAN, TCP/IP, routing, switching, Windows/Linux servers, virtualization) sufficient to troubleshoot credibly alongside network engineers.

The Network Specialist provides operational support for DoD Defense Health Agency LAN/WAN infrastructure at Naval Medical Center San Diego, including daily troubleshooting of core and edge switches, resolving network and routing protocol issues across all OSI layers, and supporting routing, switching, firewall, and cabling equipment. The role requires expertise in TCP/IP, routing protocols, firewall/VPN technologies, and hands-on maintenance of LAN/WAN systems.…See more Candidates must hold a Bachelor's degree in a technical discipline plus 3 years of experience (or equivalent vocational certification plus 8 years), an active Secret clearance or higher, and Security+ CE certification with current CCNA or equivalent.