Nagarajan Amarnath
Delivery Head, Cyber Security
Edogawa,13
Summary
Experienced leader with strong background in guiding teams, managing complex projects, and achieving strategic objectives. Excels in developing efficient processes, ensuring high standards, and aligning efforts with organizational goals. Known for collaborative approach and commitment to excellence.
Overview
19
19
years of professional experience
6
6
Certificates
3
3
Languages
Work History
Delivery Head, Cyber Security
Tata Consultancy Services Japan Limited
05.2025 - Current
- Leading the Cyber Security delivery organization as Delivery Head, overseeing multiple clusters and ensuring consistent, high-quality execution across programs and customers.
- Chair customer governance/QBRs, proactively managing escalations, risks, and improvement actions to strengthen satisfaction and delivery outcomes.
- Manage and mentor PMs/Delivery Managers, providing delivery oversight, coaching, and hands-on support to ensure on-time, on-scope, and stable go-lives.
- Drive revenue growth in existing accounts through upsell/expansion, partnering with sales and engineering to identify opportunities and convert delivery success into follow-on work.
- Build new delivery capabilities and repeatable playbooks (delivery standardization, templates, KPI/SLA reporting, operational maturity) to accelerate project completion and enable new solution revenue.
Service Delivery Manager, IT
Tata Consultancy Services Japan Limited
07.2019 - 05.2022
- Led a multi-vendor, multi-site IT IS operations transition/implementation across Japan, Asia, Europe, and North America, delivering cut-over within a 3‑month timeline and a tightly constrained acquisition-driven customer budget while successfully off-boarding the incumbent vendor.
- Led multiple IT implementation initiatives across multi-vendor, multi-site environments, including M365 implementation and post-go-live operations stabilization, improving user productivity and service reliability under tight timelines and limited budgets.
- Delivered an AI chat-bot proof-of-concept for Service Desk support, coordinating stakeholders and vendors to validate automation opportunities and accelerate IT support transformation within constrained budget/time frames.
IT Project Manager
Tata Consultancy Services Limited
06.2012 - 06.2019
- Worked as an IT Project Manager leading customer sponsored projects such as Infrastructure Build projects, Application deployment projects, Small/Large Data Center migrations, Small/Large Office Move / Consolidation projects and Business integration projects for Asia & EMEA Region. Have managed multiple projects at a time and executed end to end cycle of the project with >95% success Ratio.
- Enhanced customer satisfaction with timely deliveries, effective communication, and high-quality results.
- Facilitated communication among team members to solve complex technical challenges efficiently and effectively.
- Managed projects from procurement to commission.
- Led cross-functional teams to successfully complete IT projects.
Service Desk Engineer & Data Analyst
Tata Consultancy Services Limited
01.2010 - 05.2012
- Worked as Service desk engineer to provide technical support to the employees of client organization, Raise Incident/Service Requests based on the type of the call and troubleshoot to fix the issue or direct to the relevant support group to address the issue or request.
- Contributed towards continuous improvement initiatives aimed at streamlining internal processes and enhancing overall service delivery quality.
- Supported Service Desk Leads and IT SDM through MIS reporting and analysis through trends, data to deploy solutions, transformation initiatives
Sr. Technical Support Executive
Sutherland Global Services
05.2008 - 12.2009
- Worked as Resolution Specialist in Dell Laptops account. Providing technical assistance to L1 engineers to resolve customer issues and improve customer satisfaction for the team by ensuring resolution at first contact.
- Certified as Dell Technical Expert
- Awarded Best Resolution Specialist for 2 quarters.
Technical Support Executive
Sutherland Global Services
05.2007 - 04.2008
- Worked as Technical Support Executive. Providing technical support for HP Desktop customers on call, promoting products of HP to customers and prospects for improving business.
- HP Desktop computers, HP Desktop Engineer Certified
Delivery Manager, Cyber Security
Tata Consultancy Services Japan Limited
01.2022 - 03.2025
- Led multi-customer security delivery programs deploying Splunk, Microsoft Sentinel, Microsoft Defender, and Zscaler across Japan and multi-region teams, ensuring on-time go-lives, operational handover, and security/ITSM alignment.
- Owned delivery governance for a portfolio exceeding $5M USD TCV , managing scope, schedule, risk/issue escalation, and multi-vendor coordination from design through hypercare and stabilization.
- Drove >$2M USD revenue growth from existing accounts post-deployment by achieving operational maturity (runbooks/SOPs, monitoring & alert tuning, KPI/SLA reporting) and expanding adoption/managed services.
Education
Bachelor of Computer Applications -
University Of Madras, Vel's College of Arts & Science
Chennai, India 04.2001 -
Diploma in Commercial Practice -
State Board of Technical Education & Training
Chennai, India 04.2001 -
Skills
Ms Projects, Ms Office, Japanese JLPT N4, MS SC-200 Certified, Prince 2 Foundation & Practitioner
Accomplishments
- Instrumental in achieving Standard Operations Model for Japan region to increase efficiency and Success Ratio of Projects.
- Led & Delivered multiple large deployment projects in Japan and ensured Smooth Operations Post Go-Live
- Led & Delivered IT IS Operations & Implementation Transition projects covering multi-vendor, multi-regions.
- Successfully completed a Large Data Center Migration Program involving >500 Servers.
- Successfully completed a Large Office move project involving multiple DCs >100 Servers and 400+ users.
- Successfully completed a Large Business Integration project involving >400 Servers.
Certification
Lean Six Sigma Green Belt - Acquired On: 2013-11-22, Version: 1
Photography, Playing Badminton
Intermediate in capturing Portraits, Macro shots
Regular Badminton player in Japan, participate in City Tournaments
Timeline
Delivery Head, Cyber Security
Tata Consultancy Services Japan Limited
05.2025 - Current
Microsoft Certified : Security Operations Analyst Associate
01-2025
Delivery Manager, Cyber Security
Tata Consultancy Services Japan Limited
01.2022 - 03.2025
Service Delivery Manager, IT
Tata Consultancy Services Japan Limited
07.2019 - 05.2022
IT Project Manager
Tata Consultancy Services Limited
06.2012 - 06.2019
Service Desk Engineer & Data Analyst
Tata Consultancy Services Limited
01.2010 - 05.2012
Sr. Technical Support Executive
Sutherland Global Services
05.2008 - 12.2009
Technical Support Executive
Sutherland Global Services
05.2007 - 04.2008
Bachelor of Computer Applications -
University Of Madras, Vel's College of Arts & Science
04.2001 -
Diploma in Commercial Practice -
State Board of Technical Education & Training
04.2001 -