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Network Engineer

Job in St. Louis, Saint Louis, St. Louis city, Missouri, 63105, USA
Listing for: Tata Consultancy Services
Full Time position Listed on 2026-11-08
Job specializations:
  • IT/Tech
    Systems Engineer, Cybersecurity, Cloud Computing: Infrastructure & Operations
Salary/Wage Range or Industry Benchmark: 105000 - 125000 USD Yearly USD 105000.00 125000.00 YEAR

Job Description & How to Apply Below

Location: St. Louis

Must Have Technical/Functional Skills
  • 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 Cloud Vision.
  • 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 Fire Mon.
  • 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 Service Now change management and cross-team production migrations.
  • Flexibility to support planned after-hours maintenance and emergency changes.
Roles & Responsibilities
  • 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 Cloud Vision.
  • 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 Fire Mon.
  • 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 Service Now and coordinate production migrations with application, server, security, and infrastructure teams.
  • Support planned after-hours maintenance and emergency changes when required.

Salary Range-$105,000-$125,000 a year

#LI-KR3

TCS Employee Benefits

Summary:

Discretionary Annual Incentive.

Comprehensive Medical Coverage:
Medical & Health, Dental & Vision, Disability Planning & Insurance, Pet Insurance Plans.

Family Support:
Maternal & Parental Leaves.

Insurance Options:
Auto & Home Insurance, Identity Theft Protection.

Convenience & Professional Growth:
Commuter Benefits & Certification & Training Reimbursement.a

Time Off:
Vacation, Time Off, Sick Leave & Holidays.

Legal & Financial Assistance:
Legal Assistance, 401K Plan, Performance Bonus, College Fund, Student Loan Refinancing

Location

Saint Louis, MO

Function

TECHNOLOGY

Role

Senior Engineer

438323

Skills

Network Engineer

Salary Range

$105,000 - $125,000

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