Network Engineer

Network EngineerThe State of Mississippi – Department of Revenue is seeking a highly experienced Network Infrastructure Engineer to design, deploy, secure, and support enterprise network infrastructure across data centers and statewide operations. The role requires strong hands-on experience with Cisco ACI, Cisco Nexus, Catalyst, SDA, Cisco ISE, Palo Alto firewalls, ThousandEyes, Cyber Vision, DNA Spaces, network automation, and enterprise routing/switching. The engineer will support mission-critical infrastructure and modernization initiatives.Location: Clinton, MSWork Arrangement: 100% Onsite – Local Candidates OnlyDuration: Through 03/31/2027Work Hours: Monday–Friday, 8:00 AM–5:00 PM, 40 hours/weekWork Location: 500 Clinton Center Drive, Clinton, MS 39056Required Skills· 15+ years of Cisco networking experience· Hands-on Cisco ACI experience in production environments · Strong knowledge of ACI constructs: VRF, Bridge Domains (BD), EPG/ESG, L3Out, contracts · Experience integrating ACI with Red Hat OpenShift VMM and Cilium/Isovalent· Strong Cisco Catalyst and SDA experience· Experience administering Cisco ISE, including TACACS+ and policy-based NAC· Strong knowledge of ThousandEyes, Cyber Vision, and DNA Spaces or comparable tools· Strong TCP/IP, L2/L3 routing, switching, QoS, and network security knowledge· Experience supporting high-availability enterprise infrastructure· Strong documentation, architecture diagram, analytical, and communication skills· Hands-on experience with container networking and virtualization integrations· Experience with network automation using Python, Ansible, and REST APIs· Experience with Palo Alto Networks NGFW· Firewall configuration and troubleshooting · Security profiles and policy development · NAT, App-ID, URL filtering, and WildFire· Foundational understanding of network security threats and policiesKey Responsibilities· Design, implement, and maintain Cisco Nexus platforms running ACI mode, including VRFs, BDs, EPGs/ESGs, L3Out, contracts, and fabric policies.· Integrate ACI with OpenShift VMM and Isovalent/Cilium.· Configure and optimize RoCEv2 within the ACI fabric.· Troubleshoot ACI fabric health, faults, endpoint learning, contracts, and multi-tenant segmentation.· Deploy and support Cisco Catalyst platforms and SDA wired/wireless fabrics.· Manage SDA underlay/overlay, policy mapping, authentication integrations, and assurance operations.· Configure and administer Cisco ISE for TACACS+, authentication/authorization, and endpoint profiling.· Support Zero Trust initiatives through identity-centric segmentation.· Deploy and manage ThousandEyes for visibility, routing analysis, and performance monitoring.· Support Cisco Cyber Vision for OT/IoT visibility, device classification, and behavior analysis.· Manage DNA Spaces for location analytics, telemetry, and wireless intelligence.· Troubleshoot complex L2/L3 networking issues involving VLANs, OSPF, BGP, STP, and multicast.· Design and implement Palo Alto Networks security solutions.· Create and maintain architecture diagrams, standards, runbooks, and asset inventories.· Support modernization planning, platform upgrades, procurement, and statewide technology initiatives.Recommended Certifications· CCNA· CCNP Data Center· CCNP Enterprise· Cisco Specialist – ACI, SDA, or ISE· PCNSA· PCNSE· ThousandEyes/Cyber Vision or related training