Network Infrastructure Engineer

Job Description

We are seeking a highly skilled and experienced Senior Network Infrastructure Engineer to support and advance the enterprise networking environment. This position will play a critical role in designing, deploying, and operating modern data center, campus, identity‑driven access, and network observability solutions.

Onsite at Jacson, Mississippi

W2 Position

• Design, implement, and support Cisco Nexus platforms operating in ACI mode.
• Configure and maintain ACI components including VRFs, Bridge Domains, EPGs, ESGs, L3
  
  Outs, contracts, and fabric policies.
• Integrate Cisco ACI with virtualization and container platforms, including Red Hat Open Shift and Cilium/Isovalent environments.
• Configure and optimize RoCEv2 for high‑performance, low‑latency workloads.
• Troubleshoot fabric health, endpoint learning, segmentation, contracts, and multi‑tenant environments.
• Develop and maintain technical documentation, standards, and operational procedures.

• Deploy, manage, and support Cisco Catalyst switching platforms.
• Design and maintain Cisco Software‑Defined Access (SDA) environments, including wired and wireless fabric deployments.
• Manage SDA underlay and overlay networks, authentication integrations, policy enforcement, and assurance operations.
• Partner with wireless engineering teams to optimize network performance and user experience.

• Configure and administer Cisco Identity Services Engine (ISE), including TACACS+, authentication, authorization, endpoint profiling, and policy management.
• Integrate Cisco Cyber Vision into network access control, segmentation, and asset visibility strategies.
• Support Zero Trust initiatives through identity‑based segmentation and security policy enforcement across ACI and SDA environments.

• Deploy and manage Cisco Thousand Eyes for network performance monitoring and end‑to‑end visibility.
• Implement and support Cisco Cyber Vision for OT/IoT asset discovery, classification, and behavioral analytics.
• Manage Cisco DNA Spaces for location analytics, telemetry, and wireless intelligence.
• Develop reporting and provide actionable insights to leadership using network observability platforms.

• Troubleshoot complex Layer 2 and Layer 3 networking issues involving VLANs, OSPF, BGP, STP, multicast, and related technologies.
• Design, implement, and support Palo Alto Networks security solutions across enterprise environments.
• Create and maintain network architecture diagrams, standards, runbooks, and operational documentation.
• Participate in technology modernization efforts, platform upgrades, procurement activities, and statewide infrastructure initiatives.

• Minimum of 15 years of experience in enterprise network engineering.
• Extensive hands‑on experience with Cisco ACI in production environments.
• Deep understanding of ACI architecture, including VRFs, Bridge Domains, EPGs, ESGs, L3
  
  Outs, and contracts.
• Experience integrating Cisco ACI with Open Shift, virtualization platforms, and container networking technologies.
• Strong expertise with Cisco Catalyst switching and Software‑Defined Access (SDA).
• Experience administering Cisco Identity Services Engine (ISE), including TACACS+ and policy‑based network access control.
• Strong knowledge of Cisco Thousand Eyes, Cisco Cyber Vision, Cisco DNA Spaces, or similar observability platforms.
• Advanced understanding of TCP/IP, routing, switching, QoS, network security, and enterprise networking best practices.
• Experience supporting Palo Alto Networks firewalls and security technologies.
• Strong troubleshooting, analytical, communication, and documentation skills.
• Ability to perform effectively in fast‑paced, highly available, mission‑critical environments.

• Cisco certifications such as CCNP Enterprise, CCNP Data Center, CCIE Enterprise Infrastructure, CCIE Data Center, or equivalent experience.
• Palo Alto certifications including:
• PCCSA – Palo Alto Networks Certified Cybersecurity Associate
• PCNSA – Palo Alto Networks Certified Network Security Administrator
• Experience with network automation tools such as Python, Ansible, REST APIs, or Infrastructure as Code (IaC) methodologies.
• Experience with container networking technologies and modern virtualization platforms.
• Familiarity with NIST cybersecurity frameworks and government security requirements.
• Previous experience supporting state government, public sector, or large enterprise environments.