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# Network Engineer

- **Company:** Tata Consultancy Services Limited
- **Location:** St. Louis, MO, United States
- **Experience:** Expert
- **Salary:** $105,000 - $125,000
- **Contract:** Permanent contract
- **Skills:** Border Gateway Protocol, Complex Networks, Data Centers, Dynamic Host Configuration Protocol, Domain Name System (DNS), Monitoring of Systems, Python (Programming Language), Network Layer, Routing, Packet Analyzer, Cisco Nexus Switches, Open Shortest Path First (OSPF), Ansible, Systems Integration, Virtual Local Area Networks, System Availability, Git, Restful APIs, Terraform, Big Ip, Servicenow
- **Published:** November 5, 2026
- **Apply:** https://diversityjobs.com/career/18844028/Network-Engineer-Missouri-St-Louis

## About the Role

* Demonstrated professional experience in enterprise network engineering within data-center environments, with the ability to independently implement, troubleshoot, and support complex network infrastructure.
 * Strong Layer 2 and Layer 3 fundamentals, including VLANs, VRFs, MLAG, BGP, OSPF, route redistribution, and high availability.
 * Hands-on experience with Arista EOS and CloudVision.
 * Working knowledge of leaf-spine architecture, VXLAN, and EVPN.
 * Experience supporting migrations from Cisco ACI to Arista.
 * Experience with Palo Alto firewalls and Panorama.
 * Familiarity with F5 BIG-IP, Imperva WAF, Infoblox DNS/DHCP/IPAM, and FireMon.
 * Ability to create and execute implementation, validation, maintenance, and rollback plans.
 * Strong troubleshooting skills using packet captures, logs, telemetry, routing tables, and monitoring tools.
 * Basic automation skills using Python, Ansible, Git, REST APIs, Terraform, or Arista Validated Designs.
 * Experience with ServiceNow change management and cross-team production migrations.
 * Flexibility to support planned after-hours maintenance and emergency changes.

## Description

* The Network Engineer 3 will support the implementation, migration, and operation of enterprise data-center and network-security infrastructure, with a primary focus on Arista switching and Cisco ACI-to-Arista migration.
 * Deploy, configure, and troubleshoot Arista switching using EOS and CloudVision.
 * Support Cisco ACI-to-Arista migrations and related implementation activities.
 * Implement routing, switching, segmentation, and high-availability changes.
 * Coordinate integrations and dependencies across Palo Alto/Panorama, F5 BIG-IP, Imperva WAF, Infoblox, and FireMon.
 * Prepare and execute implementation plans, validation steps, maintenance procedures, and rollback plans.
 * Troubleshoot issues using packet captures, logs, telemetry, routing tables, and monitoring platforms.
 * Automate repeatable activities using Python, Ansible, Git, REST APIs, Terraform, or Arista Validated Designs.
 * Manage changes through ServiceNow and coordinate production migrations with application, server, security, and infrastructure teams.
 * Support planned after-hours maintenance and emergency changes when required.