Summary
Overview
Work History
Education
Skills
Software
Certification
Personal Information
Timeline
Generic

Manjunath S

Summary

Proven expertise in WAN/Network Protocols and exceptional analytical thinking demonstrated at Tata Consultancy Services Limited, where I led a team to design and deploy scalable network architectures, significantly enhancing client satisfaction. Skilled in Routing&Switching, Firewalls, Loadbalancers,Cisco ACI and AWS, my strategic solutions across multiple projects have consistently driven efficiency and performance improvements.

Overview

16
16
years of professional experience
6
6
Certifications

Work History

Assistant Consultant - Network Architect

Tata Consultancy Services Limited
11.2022 - Current

Client - Envestnet Yodlee

  • Delivered high-quality presentations showcasing project progress and results, enhancing client confidence in our services.
  • Managed multiple projects simultaneously while maintaining meticulous attention to detail and meeting strict deadlines.
  • Improved client satisfaction by providing thorough and timely project updates, and addressing concerns promptly.
  • Adapted quickly to changing project priorities and job specifications with analytical thinking and task prioritization skills.
  • Deploy, maintain day-to-day Cisco ACI environment, including port provisioning, bridge domains, application profiles, and EPGs.
  • Designed, deployed, maintained, and managed day-to-day several production data centers (on-premises, private cloud, public cloud - AWS) for more than 700 customers and 30 million active users.
  • Deploy, maintain day-to-day AWS environment through Terraform and GitLab.
  • Routing & Switching changes: BGP, Creating IPSec, Creation/modification of ACL/Prefix-list, Rate limit, QoS, hardware replacement, IOS upgrade, VLAN/VTP changes, HSRP changes etc
  • Designing end-to-end private cloud using OpenStack with separate provider network and tenant network.
  • Providing a solution for cost cutting and helping the company migrate from a legacy network to a completely cloud network.
  • Architecting private cloud using OpenStack.
  • Setting up Network in AWS.
  • Handling team of five, acting as point of escalation for all major issues.

Senior Lead (Network&Security)

Envestnet Yodlee
02.2019 - 09.2022
  • Planning, Design, Implementation, and configuration of Enterprise Networks using RIP, EIGRP, OSPF, BGP, DMVPN (NHRP), MGRE, VTP, VLANs, STP, HSRP, GLBP, VRRP, switchport security.
  • Designing and configuring different product firewalls like ASA, Checkpoint, and Palo Alto.
  • Working experience on Cisco Nexus 5k, 7k, 9k.
  • Designing, implementing, and troubleshooting Site-to-Site and Remote Access VPN.
  • Upgrading and troubleshooting F5 BIG-IP LTM.
  • Planning and implementing security product (Firewall, Load Balancer) upgrade with ZERO downtime.
  • Configuring and troubleshooting Checkpoint provider-related issues.
  • Review security product policies for the compliance check based on ISO requirement.
  • Representing the Security team in internal and external audits.
  • Collaborated with cross-functional teams to achieve project goals, fostering strong working relationships across departments.
  • Developed comprehensive training materials for new hires, promoting a smooth onboarding process and boosting team competency levels.
  • Evaluated vendor offerings to select best-fit solutions for company requirements, negotiating favorable contract terms for cost savings.

Technical Lead

HCL Technologies
10.2016 - 01.2019
  • Part of the Design and Delivery team, providing consultancy for Network Design for a new project.
  • Understanding Scope of Network role from Project and providing solutions.
  • Preparing Integrated Solution Design document for Network part.
  • Individual Contributor to the project until itgoes live.
  • Implementation phase includes IP allocation, DNS reservation, routing, switching, load balancing through Radware Appdirector, and checkpoint firewall rules configurations.
  • Implementation of all changes, adhering to change management process.
  • IPSEC VPN configurations for third-party sites on the routers.
  • Transition project overview to the Network Operations team for incident management.
  • Creating 'Build & Configuration document' and Network Visio specific to the project.

Associate Lead

Centurylink Technologies India Pvt Ltd
10.2012 - 09.2016

Leading a team of 15 members. Aligning the team as per the requirement, so that operations work smoothly.

  • Senior Engineer L3 - Managing day-to-day operational issues and implementing
  • Security solutions based on customer requirements.
  • Analyzing the impact of new code releases and upgrading the security devices.
  • Implementing and troubleshooting Cisco, Checkpoint.
  • Responsible for global service support for over 3,000 firewalls and 1,000 loadBalancers throughout multiple data centers in the globe.
  • Implementing and administering F5 LTM.Upgrading F5 LTM to new code version and formatting disk from partition.
  • Implementing an SSL certificate management solution on F5.
  • Maintaining efficient and integrated multi-vendor networked solutions based on.
  • Creating, managing VLANs on switches and basic knowledge of routing protocols.


Network Administrator

Microland Pvt.Ltd
07.2010 - 09.2012
  • A member of the rapid response team in GE-GIS, responsible for providing a fix to the incident within 30 minutes.
  • Working on Sev1 Incident and Escalated, critical tickets.
  • Performed day-to-day LAN and WAN administration, maintenance, and support.
  • Maintained network hardware and software and monitored network to support network availability to end users.


Network Engineer

United Telecom Limited
09.2008 - 07.2010
  • Monitored network capacity and performance to diagnose and resolve complex network problems.
  • Provided network support services for devices such as hubs, bridges, routers, and other hardware.
  • Reduced downtime with proactive monitoring of network devices and rapid troubleshooting.


Education

Electronics And Communication Engineering

R.L.Jalappa Institute of Technology
04.2001 - 2008

Skills

  • WAN/Network Protocols : TCP/IP, ICMP, RIP, OSPF, BGP and EIGRP

  • LAN : CampusLAN, Virtual LAN, InterVLan Routing, STP, RSTP, VTP, HSRP, Inflobox, VPC, VDC, Vxlan

  • Firewall : Checkpoint Firewall, Cisco ASA, Palo Alto

  • Load Balancer : F5 BIG-IP LTM, A10, Cisco ACE; Alteon, Radware

  • Cisco ACI Configuring of APIC, Configuring Interface Tenant, VRF, Bridge domain, application profile, EPG Managing and troubleshooting of Cisco ACI

  • AWS Knowledge - EC2 ,Route 53,VPC, Elastic Load balancing, Direct connect, TGW routing, Configuring VPN on AWS, Managing AWS NFW's and Palo Alto firewalls

Software

C , Terraform

Certification

CCNA– (640-802) , CCNP - Route (642-902) , CCNP – Switch (642-813) , CCNP – T-Shoot ( 642-832)

Personal Information

Timeline

Assistant Consultant - Network Architect

Tata Consultancy Services Limited
11.2022 - Current

Senior Lead (Network&Security)

Envestnet Yodlee
02.2019 - 09.2022

Technical Lead

HCL Technologies
10.2016 - 01.2019

Associate Lead

Centurylink Technologies India Pvt Ltd
10.2012 - 09.2016

Network Administrator

Microland Pvt.Ltd
07.2010 - 09.2012

Network Engineer

United Telecom Limited
09.2008 - 07.2010

Electronics And Communication Engineering

R.L.Jalappa Institute of Technology
04.2001 - 2008
Manjunath S