layer-3 jobs in San Diego

Systems Network Engineer II will design, configure, and troubleshoot Layer 2/3 networks, firewalls, VPNs, and network security controls in cloud and on-premises environments. The role requires strong foundational networking skills including TCP/IP, routing, switching, VLANs, and hands-on troubleshooting of connectivity and performance issues.…See more The engineer will document network topology, maintain security posture through hardening and access controls, and collaborate with cloud, cybersecurity, and infrastructure teams. Preferred experience includes cloud networking (AWS/Azure/GCP), Kubernetes/container networking, infrastructure automation (Terraform/Ansible/Python), and Zero Trust architecture.

Design and evolve enterprise network architectures for a large university, including wired, wireless, core, WAN/Internet, data center, and cloud-connected networks. Lead complex infrastructure projects from requirements through deployment, serve as technical escalation resource for routing, switching, and connectivity issues, and develop network standards and runbooks.…See more Mentor junior engineers and evaluate emerging networking, cloud, wireless, automation, and security technologies. Required expertise in large-scale enterprise networks, advanced routing/switching (BGP, OSPF, IPv4/IPv6), enterprise platforms (Aruba, Palo Alto Networks, Infoblox, ClearPass), network observability, and project leadership.

Design, architect, and evolve highly available enterprise network infrastructure across wired, wireless, core, WAN, data center, and cloud environments. Lead complex Layer 2/3 engineering including routing, switching, segmentation, and high-availability systems; serve as technical escalation for advanced troubleshooting and root-cause analysis.…See more Direct university-wide network modernization projects from requirements through deployment and operational transition, coordinating across IT teams, campus partners, vendors, and service providers. Develop network architecture strategies, multi-year roadmaps, standards, and provide technical mentorship to junior engineers.

Network Engineer responsible for designing, configuring, and sustaining mission-critical networked systems including Cisco, Aruba, Juniper, Cambium, and Antaira equipment. The role spans end-to-end lifecycle activities: staging, integration, testing, fielding, and sustainment of networks in labs, shore facilities, and data centers.…See more Requires hands-on expertise in Layer 2/3 technologies, routing protocols (OSPF, BGP), VPNs, firewalls, and wireless deployments, with mandatory compliance to RMF and STIGs. Must hold or obtain a DoD Secret clearance and meet DoD 8570/8140 baseline certification (Security+, CISSP, CASP+, or higher) plus vendor certifications (JNCIA/CCNA or higher).