Network Infrastructure Engineer (Secret Clearance)

Zachary Piper Solutions is seeking a Network Infrastructure Engineer to support a U.S. Navy program in San Diego, CA. The team is seeking an experienced network engineer to design and implement VLAN architectures and support enterprise network engineering across layers 1-4. Details below:

Clearance: Secret clearance

Location: San Diego, CA (100% onsite)

This job opens for applications on 7/17/2026 Applications for this job will be accepted for at least 30 days from the posting date

Responsibilities of the Network Infrastructure Engineer:

• Architect and deploy VLAN designs and network segmentation solutions to enhance security, performance, and scalability across enterprise environments.
• Configure and maintain Layer 2 switching technologies, including trunking protocols and Spanning Tree configurations, to ensure resilient network connectivity.
• Develop and implement IP addressing plans, subnetting strategies, and Layer 3 routing solutions to support efficient network operations.
• Diagnose and resolve network issues across OSI Layers 1 through 4 by analyzing physical infrastructure, connectivity, and protocol behaviors.
• Configure, optimize, and support routing protocols, Access Control Lists (ACLs), Quality of Service (QoS) policies, and secure traffic management controls.
• Conduct network performance monitoring, trend analysis, and capacity planning to support infrastructure growth, reliability, and future business requirements.
  
  

Qualifications of the Network Infrastructure Engineer:

• Active Secret Clearance
• Bachelor’s degree from an accredited university and 8 years of enterprise network engineering experience
• IAT II certifications (one of the following): CySA , Security , CCNA-Security, GICSP, GSEC, SSCP
• Deep understanding of structured cabling standards (TIA/EIA) and fiber/copper infrastructure.
• Hands-on experience designing and implementing VLAN and Layer 3 routing solutions.
• Proven ability to troubleshoot across physical and logical network layers.
  
  

Compensation of the Network Infrastructure Engineer:

• Total compensation based on experience level - $140,000-$160,000 **based on experience level**
• Full Benefits: PTO, Paid Holidays, Medical, Dental, and Vision, 401k
  
  

Keywords: VLAN Design, VLAN Architecture, Network Segmentation, LAN Switching, Layer 2 Switching, Layer 3 Routing, Ethernet Networking, Trunking Protocols, 802.1Q, Spanning Tree Protocol (STP), Rapid Spanning Tree (RSTP), Switch Configuration, Network Infrastructure, IP Addressing, IPv4, IPv6, Subnetting, CIDR, Cisco, secret, top secret, ts/sci, W2, opentowork, hiring, onsite, Routing Protocols, Static Routing, Dynamic Routing, OSPF, EIGRP, BGP, Access Control Lists (ACLs), Network Security, Secure Traffic Flows, Traffic Management, Quality of Service (QoS), Packet Analysis, Network Troubleshooting, OSI Model, OSI Layers 1-4, Physical Layer Troubleshooting, Data Link Layer, Network Layer, Transport Layer, Connectivity Analysis, Network Diagnostics, Fault Isolation, Root Cause Analysis, Network Operations, Infrastructure Support, Network Engineering, Enterprise Networking, WAN Technologies, LAN Technologies, Network Performance Monitoring, Performance Optimization, Bandwidth Management, Latency Analysis, Throughput Optimization, Capacity Planning, Network Scalability, Infrastructure Growth Planning, High Availability, Redundancy, Network Reliability, Change Management, Configuration Management, Infrastructure Design, Network Architecture, Cisco Networking, Routing and Switching, TCP/IP, DNS, DHCP, Enterprise Infrastructure, Systems Integration, Technical Documentation, Operational Support, Incident Resolution, Network Monitoring Tools, Performance Analysis, Infrastructure Modernization, Network Administration, Telecommunications,