Network Engineer

Zensar Technologies; Bengaluru; On-site; INR 1,200,000 - 1,800,000; Full time

Job summary

Zensar Technologies in Bengaluru, India, is seeking a skilled Network Engineer to support data center migrations and ongoing network operations. You will work with Cisco and Arista environments, plan, design, and execute network changes for seamless infrastructure transitions.

The role emphasizes high availability, minimal downtime, and operational stability during migrations as well as day-to-day networking tasks.

Qualifications

• Hands-on experience with Cisco networking technologies (routing, switching).
• Working knowledge of data center networking concepts (VLANs, routing protocols, ACLs).
• Exposure to network operations and troubleshooting in enterprise environments.
• Understanding of SDN concepts.
• Familiarity with Arista switches/environments.
• Experience with data center migration or infrastructure transition activities is a plus.
• Strong experience with Terraform Enterprise (TFE) and Networking, plus Google Cloud Platform (GCP) knowledge.
• Ability to independently configure, troubleshoot, and support GCP infrastructure, including networking and logging components.
• Good understanding of IAM and Service Accounts and their application across networking, storage, and logging services in GCP.
• Experience with GCP VPCs, Shared VPCs, and network connectivity troubleshooting.
• Strong troubleshooting skills across networking, DNS, permissions, logging, and application connectivity.

Responsibilities

• Support data center migration activities, including planning, execution, and post-migration validation.
• Configure, implement, and troubleshoot network infrastructure (L2/L3) across data centers.
• Work with cross-functional teams to ensure smooth server and application migrations.
• Perform network assessments, risk identification, and mitigation planning.
• Monitor network performance and ensure high availability and reliability.
• Participate in change management, incident resolution, and root cause analysis.
• Maintain network documentation, diagrams, and configuration records.
• Support ongoing network operations and optimization initiatives.

Skills

Cisco networking

Data center networking

SDN concepts

Arista switches

GCP networking

Terraform & TFE

GCP IAM & services

GCP VPCs

Troubleshooting

Change management

Tools

Terraform Enterprise

Google Cloud Platform

Ansible

Python

Job description

We are looking for a skilled Network Engineer to support data center migration initiatives and ongoing network operations. The role involves working on Cisco and Arista environments, contributing to the planning, design, and execution of network changes required for seamless infrastructure transitions.

You will play a key role in ensuring high availability, minimal downtime, and operational stability during migrations and day-to-day operations.

Key Responsibilities

• Support data center migration activities, including planning, execution, and post-migration validation
• Configure, implement, and troubleshoot network infrastructure (L2/L3) across data centers
• Work with cross-functional teams to ensure smooth server and application migrations
• Perform network assessments, risk identification, and mitigation planning
• Monitor network performance and ensure high availability and reliability
• Participate in change management, incident resolution, and root cause analysis
• Maintain network documentation, diagrams, and configuration records
• Support ongoing network operations and optimization initiatives

Required Skills (Must-Have)

• Hands-on experience with Cisco networking technologies (routing, switching)
• Working knowledge of data center networking concepts (VLANs, routing protocols, ACLs, etc.)
• Exposure to network operations and troubleshooting in enterprise environments
• Understanding of Software Defined Networking (SDN) concepts
• Basic experience or familiarity with Arista switches/environments
• Good understanding of network migration or infrastructure transition activities
• Strong experience with Terraform Enterprise (TFE) and Networking, along with hands-on Google Cloud Platform (GCP) knowledge.
• Ability to independently configure, troubleshoot, and support GCP infrastructure, including networking and logging components.
• Good understanding of IAM and Service Accounts and their application across networking, storage, and logging services in GCP.
• Experience with GCP VPCs, Shared VPCs, and network connectivity troubleshooting.
• Strong troubleshooting skills across networking, DNS, permissions, logging, and application connectivity.

Good to Have

• Experience working in data center migration or consolidation projects
• Exposure to automation or scripting (Python/Ansible) for network tasks
• Knowledge of cloud networking (AWS/Azure/GCP)
• Familiarity with monitoring tools and network performance management

Soft Skills

• Strong problem-solving and analytical ability
• Good communication skills to collaborate with global teams
• Ability to work in fast-paced, high-impact environments
• Proactive approach to identifying risks and improvements