Network Infrastructure Engineer

Network Infrastructure Engineer

Location: 500 Clinton Center Drive Clinton, Mississippi - 39056

Work Arrangement: 100% Onsite – Remote candidates will not be considered

Contract Duration: Through March 31, 2027

Schedule: Friday, 8:00 AM–5:00 PM

Position Overview: We are seeking an experienced Network Infrastructure Engineer to support and advance an enterprise-scale network environment for the Mississippi Department of Revenue.

The ideal candidate will have extensive hands-on experience with Cisco networking, Cisco ACI, Cisco Nexus, Software-Defined Access (SDA), Cisco ISE, and enterprise network security. This role is highly technical and hands-on, supporting mission-critical data center and statewide network infrastructure.

Key Responsibilities:

• Design, implement, and maintain Cisco ACI/Nexus data center networks, including VRFs, BDs, EPGs/ESGs, L3Outs, and contracts.
• Deploy and support Cisco Catalyst and SDA wired/wireless environments.
• Administer Cisco ISE, including TACACS+, NAC, authentication/authorization, and endpoint profiling.
• Manage network visibility and monitoring using Thousand Eyes, Cyber Vision, and DNA Spaces.
• Configure and troubleshoot Palo Alto firewalls and enterprise network security solutions.
• Troubleshoot complex L2/L3 networking, including TCP/IP, VLANs, OSPF, BGP, STP, multicast, and QoS.
• Support ACI integrations with OpenShift VMM and Cilium/Isovalent.
• Develop network architecture diagrams, documentation, standards, and operational procedures.
• Support network modernization, upgrades, and mission-critical enterprise infrastructure.

Required Qualifications:

Candidates must meet the following minimum requirements:

• 15+ years of professional experience working with Cisco networking technologies.
• Hands-on production experience with Cisco ACI.
• Strong knowledge of Cisco ACI constructs including VRF, Bridge Domain (BD), EPG / ESG, L3Out, Contracts, Fabric policies.
• Experience integrating ACI with OpenShift VMM and Cilium/Isovalent.
• Strong experience with Cisco Catalyst and SDA technologies.
• Hands-on experience administering Cisco ISE, including TACACS+, authentication/authorization policy sets, and NAC.
• Experience with enterprise network monitoring/observability tools such as Thousand Eyes, Cyber Vision, and DNA Spaces, or comparable platforms.
• Strong knowledge of TCP/IP, routing, switching, QoS, VLANs, OSPF, BGP, STP, and multicast.
• Experience with Palo Alto Networks firewalls and enterprise security solutions.
• Ability to troubleshoot complex enterprise network issues.
• Strong technical documentation and communication skills.
• Experience supporting large-scale, highly available, mission-critical network environments.

Preferred Qualifications:

• CCNP Data Center, CCNP Enterprise, CCIE, or equivalent experience.
• Cisco Specialist certifications in ACI, SDA, or ISE.
• PCNSA or PCNSE certification.
• Experience with container networking and virtualization platforms.
• Experience with network automation using Python, Ansible, or REST APIs.
• Familiarity with NIST frameworks and cybersecurity requirements.
• Experience working in state government or large enterprise environments.
• Palo Alto certifications such as PCCSA or PCNSA.
• ThousandEyes, Cyber Vision, or related platform training.