Network Infrastructure Engineer (SME)

Hi

This is Aditya Staffing Expert from Nexiva Inc . Im reaching out regarding a Role that aligns well with your experience. Let me know if youre open to discuss . Please check below role and share me your updated Resume with contact details or You can share me a References if any one your known looking an Opportunity!

Job Description

Network Infrastructure Engineer (SME)

Location: Clinton MS (100% Onsite)
Duration: Through March 31 2027
Start Date: ASAP

Position Overview

seeking an experienced Network Infrastructure Engineer to support design and enhance its enterprise networking environment. This senior-level position will play a critical role in deploying and managing next-generation data center campus security and observability solutions while supporting statewide modernization initiatives.

The ideal candidate will possess deep expertise in Cisco networking technologies software-defined networking identity-based access control network security and enterprise infrastructure architecture.

Key Responsibilities

Data Center & Cisco ACI

• Design implement and support Cisco Nexus environments operating in ACI mode.
• Configure and maintain ACI components including VRFs Bridge Domains EPGs ESGs L3Outs contracts and fabric policies.
• Integrate ACI with virtualization and container platforms such as OpenShift and Cilium.
• Troubleshoot ACI fabric health segmentation endpoint learning and policy-related issues.
• Develop technical documentation standards and operational procedures.

Software-Defined Networking

• Deploy and support Cisco Catalyst platforms and Software-Defined Access (SDA) environments.
• Manage SDA wired and wireless fabrics underlay and overlay networks policy enforcement and authentication integrations.
• Collaborate with infrastructure teams to optimize network performance and reliability.

Identity & Security

• Administer Cisco Identity Services Engine (ISE) including TACACS authentication authorization endpoint profiling and policy management.
• Support Zero Trust initiatives through identity-based segmentation and access control.
• Design and implement Palo Alto Network security solutions across enterprise environments.

Monitoring & Observability

• Support and maintain Cisco ThousandEyes Cyber Vision and DNA Spaces platforms.
• Provide visibility into network performance user experience device behavior and operational analytics.
• Generate actionable insights and reporting for leadership and technical teams.

Core Network Engineering

• Troubleshoot complex Layer 2 and Layer 3 networking issues.
• Support routing and switching technologies including OSPF BGP VLANs STP multicast and QoS.
• Create and maintain architecture diagrams standards runbooks and asset inventories.
• Participate in infrastructure upgrades modernization projects and technology planning initiatives.

Required Qualifications

• Minimum 15 years of Cisco networking experience.
• Hands-on experience with Cisco ACI in enterprise production environments.
• Strong understanding of ACI architecture including VRFs Bridge Domains EPGs ESGs L3Outs and contracts.
• Experience with Cisco Catalyst switching platforms and Software-Defined Access (SDA).
• Expertise administering Cisco ISE TACACS NAC and policy-based access control.
• Experience with Palo Alto Networks security solutions.
• Strong knowledge of TCP/IP routing switching QoS and network security principles.
• Ability to create technical documentation network diagrams and architecture designs.
• Excellent troubleshooting analytical and communication skills.

Preferred Qualifications

• CCNP Enterprise CCNP Data Center CCIE or equivalent experience.
• Experience with OpenShift container networking and virtualization integrations.
• Knowledge of Python Ansible REST APIs or network automation tools.
• Familiarity with NIST cybersecurity frameworks.
• Prior experience supporting state government or large enterprise environments.
• Palo Alto certifications such as PCCSA or PCNSA.
• Experience with Cisco ThousandEyes Cyber Vision and DNA Spaces.