Network Engineer

Tata Consultancy Services Limited; St. Louis (MO); On-site; USD 105,000 - 125,000; Full time

Benefits offered by this job

Discretionary Annual Incentive

Medical Coverage

Dental & Vision

Disability Insurance

401K Plan

Commuter Benefits

Certification & Training Reimbursement

Vacation & Holidays

Job summary

Tata Consultancy Services in Saint Louis, MO is seeking a Senior Network Engineer to lead and support enterprise data-center and network-security infrastructure, with a focus on Arista switching and Cisco ACI-to-Arista migrations.

Responsibilities include deploying Arista EOS/CloudVision, validating migrations, and coordinating with Palo Alto, F5, Imperva WAF, Infoblox, and FireMon. Expect after-hours support as needed.

Qualifications

• Enterprise data-center network engineering experience.
• Strong Layer 2/3 fundamentals including VLANs, VRFs, MLAG, BGP, OSPF.
• Hands-on with Arista EOS and CloudVision.
• Leaf-spine architecture, VXLAN, EVPN familiarity.
• Experience migrating from Cisco ACI to Arista.
• Familiarity with Palo Alto, F5 BIG-IP, Imperva WAF, Infoblox, FireMon.
• Ability to implement plans and rollback procedures.
• Strong packet capture/log/telemetry troubleshooting skills.
• Basic automation with Python/Ansible/Git/REST APIs/Terraform.

Responsibilities

• Support implementation, migration, and operation of data-center and network-security infra.
• Deploy, configure, and troubleshoot Arista switching with EOS and CloudVision.
• Support Cisco ACI-to-Arista migrations.
• Implement routing, switching, segmentation, and high availability changes.
• Coordinate with Palo Alto/Panorama, F5, Imperva WAF, Infoblox, and FireMon.
• Prepare and execute implementation, validation, maintenance, and rollback plans.
• Troubleshoot via packet captures, logs, telemetry, and monitoring platforms.
• Automate repeatable activities using Python/Ansible/Git/REST APIs/Terraform.
• Manage changes through ServiceNow and coordinate migrations with multiple teams.
• Support after-hours maintenance and emergency changes as needed.

Skills

Layer 2/3 networking

VXLAN/EVPN

Troubleshooting

Python scripting

Automation tools

Migration planning

Network security coordination

CloudVision

Arista EOS

Ticketing/Change Mgmt

Tools

Arista EOS

CloudVision

Palo Alto Panorama

F5 BIG-IP

Imperva WAF

Infoblox DNS/DHCP/IPAM

FireMon

Terraform

Ansible

Git

REST APIs

Job description

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 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.

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 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.

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

ID

438323

Skills

Network Engineer

Salary Range

$105,000 - $125,000