Tarun Kumar

About Tarun Kumar

Experienced and results-oriented Senior Network Engineer with over 15 years of expertise in designing, implementing, and managing complex enterprise networks across global locations. Proven success in leading data center migrations, SD-WAN deployments, firewall transitions, and cloud integrations using technologies like Cisco, Palo Alto, Checkpoint, AWS, Infoblox, and Zscaler.Key achievements include:Migrated Columbia Threadneedle Investments data centers in London from Sungard to Equinix.Eliminated 10 single points of failure in the Data center Infrastructure and transitioned public IPs to RIPE-delegated ranges.Built new offices in Hyderabad, Greater Noida, Milan, Luxembourg, and Singapore end to end from design, ordering and implementation.Integrated Bank of Montreal Asset Management business and Columbia Threadneedle networks into Ameriprise’s global infrastructure.Led third-party connectivity projects with multiple external partners like Blackrock, Bloomberg, and Swift etc.Recognized by the company CIO with a handwritten note for the successful integration of Columbia Threadneedle Investments network with Ameriprise network and received multiple awards and trophies for various successful projects.Supported rollouts of Skype Online, Microsoft Teams, Exchange Online, and Zscaler SASE.Skilled in Python scripting, network automation, and global collaboration. Passionate about building resilient, scalable, and secure network environments.

Experience

1. Sr Network Tech Lead

   Ameriprise Financial Services, LLC

   Jan 2021 — Present · Gurugram, IN

   Led global network transformation projects across data centers and cloud platforms.Spearheaded SD-WAN rollout across 50+ sites, reducing MPLS costs significantly. Implemented Cisco ACI, Palo Alto firewalls, and Zscaler SASE architecture.Built and deployed full-stack infrastructure for new offices in India and Europe.Integrated Columbia Threadneedle and Bank of Montreal networks into Ameriprise.Managed third-party connectivity with financial institutions via P2P, Direct Connect, and IPSec.Automated network operations using Python, improving efficiency.

Education

• Dronacharya College of Engineering

  Bachelor of Technology (B.Tech.), Electronics and Communications Engineering

  2006 — 2011

• Maharshi Dayanand University

  B.E. (ECE), Electronics and Communications Engineering

  2006 — 2011

Skills

• Websense
• Network Administration
• Cisco Asa
• Routers
• Osi Model
• Incident Management
• Network Architecture
• Bgp
• Fireeye
• Frame Relay
• Ipsec
• Dmvpn
• Change Management
• Protocol Stacks
• Riverbed
• Cisco Ios
• Cisco Technologies
• Gre Tunnels
• Cisco Prime
• Ethernet
• Problem Management
• Cisco Nexus
• Subnetting
• Ccna (R&S)
• Dns Management
• Vpn
• Juniper Technologies
• Firewalls
• Cisco Certified
• Palo Alto Networks
• Cisco Asdm
• Dhcp
• Dns
• Eigrp
• Cisco Routers
• Ccna Security
• Ccnp (R&S)
• Network Load Balancing
• Cisco Systems Products
• Cisco Ips