Network Engineer

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., · 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.

· 15+ years of Cisco networking experience

· Hands-on Cisco ACI experience in production environments

· Strong knowledge of ACI constructs:

o VRF

o Bridge Domains (BD)

o EPG/ESG

o L3Out

o 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

Palo Alto / Network Security

· 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 policies

The 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.