Zachary Piper Solutions is seeking a Cisco Engineer to support a long-term Department of Defense program focused on Navy enterprise IT infrastructure, network operations, and cybersecurity support. This position is on-site in Norfolk, VA; Bremerton, WA; Jacksonville, FL; Honolulu, HI; San Diego, CA; or Washington, DC. The Cisco Engineer will support the reliability & operational integrity of a complex enterprise network environment by developing technically accurate, implementation-ready Cisco network configurations across WAN and BAN environments. This role will focus heavily on Cisco Layer 2/Layer 3 networking, routing, switching, network configuration, configuration validation, documentation, and technical peer review, while also contributing to the standardization, optimization, reliability, and automation of enterprise network capabilities. Responsibilities of the Cisco Engineer include: • Develop, modify, and validate implementation-ready Cisco network configurations for complex enterprise WAN/BAN environments based on site-specific requirements and established engineering standards • Configure and troubleshoot Cisco IOS/IOS-XE Layer 2/Layer 3 environments, including VLANs, trunking, STP/RSTP/MST, EtherChannel/LACP/PAgP, inter-VLAN routing, interfaces, and port-channels • Apply strong knowledge of IPv4 addressing, subnetting, static/dynamic routing, OSPF, EIGRP, BGP, ACLs, and first-hop redundancy • Analyze existing network environments and understand the technical impact, dependencies, and functionality of configuration changes rather than relying solely on templates • Create and maintain network configuration documentation, baselines, and supporting technical documentation • Perform configuration validation and technical/peer reviews to ensure network changes are accurate, complete, and ready for implementation • Collaborate with network engineering, SRE, development, automation, and other technical teams to improve network reliability, standardization, optimization, and operational efficiency • Support the evolution of network automation and configuration management initiatives Qualifications of the Cisco Engineer include: • 5+ years of experience in network engineering, systems engineering, or information technology • Active Secret clearance • Active CCNA certification • Active IAT Level II certification • Strong hands-on experience with Cisco enterprise networking, IOS/IOS-XE, Layer 2/Layer 3 switching, and routing • Experience with VLANs, trunking, STP, EtherChannel, inter-VLAN routing, IPv4/subnetting, OSPF, EIGRP, BGP, ACLs, and TCP/IP • Experience developing, validating, documenting, and reviewing network configurations prior to implementation • Strong analytical skills and attention to detail with the ability to understand how configuration changes impact an enterprise network Preferred Qualifications of the Cisco Engineer • Experience supporting large-scale enterprise networks • Experience with Cisco Catalyst switches and routers • Experience with network configuration standards, baselines, change management, & technical peer review • Experience with network automation or scripting, including Python, Bash, PowerShell, or Ansible • Familiarity with IaC, CI/CD, Jenkins, GitLab, Terraform, Linux/Unix, or cloud technologies Compensation for the Cisco Engineer includes: • Salary: $95,000-100,000 depending on experience • Benefits: Medical, Dental, Vision, 401k Plan, Holidays, PTO, sick leave as required by law Keywords: site reliability engineer, SRE, network reliability engineer, network engineer, network engineering, Cisco, Cisco IOS, IOS-XE, Cisco Catalyst, router, routers, switches, switching, routing, Layer 2, Layer 3, L2, L3, VLAN, VLAN configuration, VLAN assignment, 802.1Q, trunking, native VLAN, VTP, STP, RSTP, MST, spanning tree, EtherChannel, LACP, PAgP, access port, trunk port, inter-VLAN routing, IPv4, IP addressing, subnetting, static routing, dynamic routing, OSPF, EIGRP, BGP, route advertisement, route selection, ACL, access control list, first-hop redundancy, network interface, port-channel, TCP/IP, WAN, BAN, enterprise network, large-scale enterprise, network configuration, network configuration development, network configuration management, configuration baseline, configuration validation, configuration documentation, implementation-ready, technical review, peer review, change management, network reliability, network operations, network engineering, network automation, automation, Python, Bash, PowerShell, Ansible, Terraform, Infrastructure as Code, IaC, Jenkins, GitLab, CI/CD, Linux, Unix, Docker, Kubernetes, OpenShift, AWS, Azure, Atlassian, Azure DevOps, JIRA, NGEN, NMCI, Navy Marine Corps Intranet, Navy, Department of Defense, DoD, DOD, enterprise infrastructure, Secret clearance, active Secret, CCNA, CCNP, CCIE, Security+, IAT Level II, IAT II, DoD 8570, DoD 8140, Norfolk, Virginia, VA, Naval Station Norfolk, Bremerton, Washington, WA, Jacksonville, Florida, FL, Honolulu, Hawaii, HI, Pearl Harbor, San Diego, California, CA, Washington DC, SIPR, secure network, WAN engineering, BAN engineering, network configuration engineer, Cisco network engineer #LI-SW1 #LI-ONSITE