Senior Network Infrastructure Engineer: ACI, OpenShift & Zero Trust

S R International Inc; Jackson (MS); On-site; USD 120,000 - 180,000; Full time

Job summary

The State of Mississippi – Department of Revenue (DOR) is seeking a highly experienced Network Infrastructure Engineer to design, deploy, secure, and support enterprise network infrastructure across data centers and statewide operations.

Responsibilities include integrating ACI with OpenShift, deploying Nexus platforms, and managing SDA/ underlay. Advanced Cisco, ISE, and security expertise are required for a high-availability environment in Clinton, MS.

Qualifications

• 15+ years of Cisco networking experience.
• Hands-on Cisco ACI experience in production environments.
• Strong knowledge of ACI constructs: VRF, Bridge Domains, EPG/ESG, L3Out, Contracts.
• Experience integrating ACI with 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.

Responsibilities

• Design, implement, and maintain Cisco Nexus platforms running ACI mode.
• 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.

Skills

Cisco Networking

Cisco ACI

Cisco Nexus

Cisco Catalyst

SDA

Cisco ISE

TACACS+

NAC

ThousandEyes

Cyber Vision

DNA Spaces

Networking Automation

OpenShift

Cilium

Isovalent

Python

Ansible

REST APIs

Routing

Switching

Tools

OpenShift

Cilium/Isovalent

Python

Ansible

REST APIs

Job description

The State of Mississippi – Department of Revenue (DOR) is seeking a highly experienced Network Infrastructure Engineer to design, deploy, secure, and support enterprise network infrastructure across data centers and statewide operations.

Responsibilities include integrating ACI with OpenShift, deploying Nexus platforms, and managing SDA/ underlay. Advanced Cisco, ISE, and security expertise are required for a high-availability environment in Clinton, MS.