Network Infrastructure Engineer

Job Title:

Network Infrastructure Engineer
Job Code: MS 159547
Client:
State of Mississippi – Department of Revenue (DOR)

Location:

Clinton, MS (Onsite)
Duration:
Contract until 03/31/2027

The Mississippi Department of Revenue (DOR) is seeking a highly skilled Network Infrastructure Engineer to support enterprise networking, data center modernization, identity-driven access, and observability platforms. The ideal candidate will have deep expertise in Cisco ACI, Cisco SDA, Cisco ISE, Palo Alto Firewalls, Cisco Catalyst platforms, and large-scale enterprise network architecture.

• Design, implement, and maintain Cisco ACI data center fabrics
• Configure and support Cisco Nexus, VRFs, Bridge Domains, EPGs, ESGs, L3
  
  Outs, and contracts
• Integrate Cisco ACI with Open Shift VMM and Cilium/Isovalent
• Deploy and support Cisco Catalyst and Software-Defined Access (SDA) environments
• Administer Cisco ISE for TACACS+, NAC, authentication, authorization, and endpoint profiling
• Manage Palo Alto next‑generation firewalls, security policies, and threat protection
• Deploy and support Thousand Eyes, Cyber Vision, and DNA Spaces platforms
• Troubleshoot complex Layer 2/Layer 3 networking issues including OSPF, BGP, STP, VLANs, and multicast
• Create network architecture documentation, standards, diagrams, and operational procedures
• Support modernization initiatives, platform upgrades, and statewide technology projects

• 15+ years of Cisco networking experience
• Hands‑on Cisco ACI experience in production environments
• Strong knowledge of ACI constructs: VRF, BD (Bridge Domains), EPG / ESG, L3
  
  Out, Contracts
• Experience integrating ACI with Open Shift VMM and Cilium/Isovalent
• Experience with Cisco Catalyst platforms and SDA technologies
• Experience administering Cisco ISE including TACACS+ and policy‑based NAC
• Experience with Thousand Eyes, Cyber Vision, and DNA Spaces
• Strong TCP/IP, routing, switching, QoS, and network security expertise
• Strong documentation, architecture, and troubleshooting skills
• Excellent analytical, communication, and problem‑solving abilities

• CCNP Data Center
• CCNP Enterprise
• CCIE
• Cisco Specialist Certifications (ACI, SDA, ISE)
• Palo Alto PCNSA or PCCSA Certifications
• Open Shift, Container Networking, and Virtualization Integrations
• Python, Ansible, and REST API Automation
• NIST Frameworks and Cybersecurity Standards
• State Government or Large Enterprise Infrastructure Experience
• Palo Alto NGFW, App-, URL Filtering, Wild Fire, and Security Profiles

Cisco Networking, Cisco ACI, Nexus, VRF, BD, EPG, ESG, L3

Out, Cisco Catalyst, SDA, Cisco ISE, TACACS+, NAC, Thousand Eyes, Cyber Vision, DNA Spaces, Palo Alto Firewalls, TCP/IP, Routing, Switching, OSPF, BGP, QoS, Open Shift VMM, Cilium, Python, Ansible, REST APIs, NIST, Network Security, CCNP, CCIE