Network Engineer

• 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.

• 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.

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