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
Position Overview
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.
Key Responsibilities
- Design, implement, and maintain Cisco ACI data center fabrics
- Configure and support Cisco Nexus, VRFs, Bridge Domains, EPGs, ESGs, L3Outs, and contracts
- Integrate Cisco ACI with OpenShift 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 ThousandEyes, 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
Required Skills & Experience
- 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
- L3Out
- Contracts
- Experience integrating ACI with OpenShift VMM and Cilium/Isovalent
- Experience with Cisco Catalyst platforms and SDA technologies
- Experience administering Cisco ISE including TACACS+ and policy-based NAC
- Experience with ThousandEyes, 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
Preferred Skills
- CCNP Data Center
- CCNP Enterprise
- CCIE
- Cisco Specialist Certifications (ACI, SDA, ISE)
- Palo Alto PCNSA or PCCSA Certifications
- OpenShift, 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-ID, URL Filtering, WildFire, and Security Profiles
Primary Skills
Cisco Networking, Cisco ACI, Nexus, VRF, BD, EPG, ESG, L3Out, Cisco Catalyst, SDA, Cisco ISE, TACACS+, NAC, ThousandEyes, Cyber Vision, DNA Spaces, Palo Alto Firewalls, TCP/IP, Routing, Switching, OSPF, BGP, QoS, OpenShift VMM, Cilium, Python, Ansible, REST APIs, NIST, Network Security, CCNP, CCIE
