Tata Consultancy Services Hiring! Full Time Network Lead in - Ricebowl

Role: Network Lead / Architect – Data Centre Migration

Location: Singapore

Experience: 10+ Years

About the role

We are building the team for a large-scale data center migration programme for a regulated banking client. We are looking for a Network Lead / Architect to own the network domain from start to finish. You will assess the current estate and design the target-state network. You will then lead the physical and logical network cutover across the programme's migration phases.

Assess the current routing, switching, firewall, load-balancer and DDI estates, and document dependencies, constraints and risks.

Design the target-state SDN network, including the IP/VLAN and DNS conversion strategy and the network migration patterns for each wave.

Provide network effort estimates, risks and remediation inputs to the migration strategy and wave plan.

Complete pre-migration network readiness (configuration, firewall rules, routing, DNS, connectivity and monitoring) ahead of each wave.

Lead network cutover activities according to approved runbooks, including de-racking, re-racking, cabling, power-up, logical cutover and access.

Carry out post-migration network validation, and record results, defects and remediation actions.

Work with network specialists, security teams, OEM vendors and IT movers, and contribute network steps to runbooks, rollback plans.

12+ years of deep, current, hands-on network experience, covering routing, switching, firewalls, load balancing, DDI and SDN, in large enterprise or banking environments.

Experience designing target-state network architectures and migration runbooks.

Experience executing network cutovers in production banking environments.

Vendor-specific depth in Cisco, Arista or equivalent platforms.

Nice to have

CCIE or CCNP.

Arista ACE.

Firewall and load-balancer vendor certifications.

ITIL.