Ramesh Thiyagarajan

Senior Data Center Operations Leader

Salary / Daily rate

Chennai, Tamil Nadu, India

Freelance

Can come onsite

Languages

EnglishTamil

About me

Intro

Seasoned Data Center Manager with extensive experience in managing operations of Data Center Infrastructure & IT Infrastructure. Specialized in DC energy efficiency, data security, hardware reliability, process improvements, operational excellence and customer satisfaction.

Links

Work experience

Data Center Operations

NVIDIA

Oct 2024 - Present

2 years 1 month

Remote

Led remote facility operations for NVIDIA’s global GPU Cloud Data Centers, ensuring 24/7 operational continuity and compliance. Directed major incident and change management processes across global sites, contributing to a reduction in incident resolution time. Championed data-driven improvements in facility monitoring, introducing proactive alerts and automation that increased fault detection accuracy by 30%. Collaborated with cross-functional teams to enhance operational readiness and resilience, achieving 99.999% uptime across mission-critical infrastructure.

Data Center Operations Manager

Amazon Web Services

Sep 2017 - Mar 2024

6 years 7 months

Singapore · On-site

Led Data Center Technician teams, ensuring zero-defect install, maintenance & decommissioning of hardware across multiple region. Drove safety & security protocols, achieving 99.999% uptime and boosting customer satisfaction scores by 22%. Optimized team performance via strategic forecasting, reviews, and shift planning—improving manpower utilization and level loading. Enforced supervisory controls aligned with global policies, reducing escalation rates by 40%. Mentored 12+ direct & indirect reports into senior roles; championed learning programs, cutting new hire ramp-up time by 50%. Launched cross-skill training, increasing operational agility and reducing downtime during peak loads. Led cluster-wide decom program; optimized rack, host & network decommissioning—cut TAT by 30%. Oversaw project managers to deliver 5 new site launches in 12 months, ensuring full IT Infra readiness and compliance.

Global Data Center Lead

GLOBALFOUNDRIES

May 2010 - Oct 2017

7 years 6 months

Singapore

Established operational standards and managed global enterprise Data Centers across APAC, EMEA, and the US, ensuring consistent performance and compliance. Designed and built energy-efficient data centers regionally, including high-availability DC retrofits, improving PUE and resiliency. Led Data Center capacity planning, and executed security, energy, customer, and investor audits—achieving zero audit findings for 3+ consecutive years. Successfully implemented Green DC initiatives, securing ISO 50001 and SS564 certifications, and driving sustainability across facilities. Acted as SPOC for design and deployment of integrated monitoring solutions covering both IT infrastructure and facility performance/fault detection. Managed end-to-end vendor engagement, contract reviews (UCs), and cross-functional coordination to ensure operational excellence. Spearheaded multiple IT infrastructure projects, from design to implementation, aligning with business growth and compliance needs. Automated compliance reporting, reducing cycle time by 50% and optimizing resource allocation. Established regular stakeholder reviews and owned escalation management, driving resolution and accountability in Data Center operations. Conducted periodic service metric reviews, ensuring SLAs, KPIs, and CSFs were consistently met or exceeded.

IT Infrastructure Engineer

Thomson Reuters

May 2009 - Jul 2010

1 year 3 months

Singapore

Managed incidents and problems for the Internal Data Network (IDN) supporting Thomson Reuters’ financial data feeds to global stock exchanges, ensuring minimal disruption and rapid resolution. Led and executed multiple internal projects simultaneously, driving changes through structured change management processes to ensure stability and compliance. Assessed and documented Work Instructions (WIs) and led implementation of Service Improvement Programs (SIPs), enhancing operational efficiency and reducing errors. Acted as Single Point of Contact (SPOC) between Infrastructure and Facility teams, ensuring seamless coordination of day-to-day Data Center operations. Oversaw Business Continuity Management (BCM) processes, including periodic power-down tests and disaster recovery site failover drills, ensuring high availability and preparedness. Managed rack space planning based on power and cooling thresholds, optimizing physical resource utilization and reducing thermal risks. Maintained Data Center Configuration Items (CIs) in the CMDB, and developed Business Service Maps, enhancing asset traceability and service impact analysis.

IT Systems Engineer

Hewlett-Packard

Jan 2006 - May 2009

3 years 5 months

Bengaluru, Karnataka, India

Supported global clients across Pharmaceuticals, Automotive, Telecom, Petroleum, and F&B sectors. Led regular SDR and SLA review meetings with client leadership, ensuring service alignment and high performance. Managed shared service delivery of OVMS servers across AMERS, EMEA, and APAC, ensuring uninterrupted operations. Automated routine tasks using DCL scripting in OVMS, improving server management efficiency and reducing manual effort.

IT Associate Engineer

CMC LTD

Aug 2004 - Jan 2006

1 year 6 months

Chennai, Tamil Nadu, India

Managed the OpenVMS cluster system supporting the national railway ticketing platform, ensuring high availability and real-time performance. Oversaw network and system monitoring for production environments, proactively identifying and mitigating potential issues. Installed, configured, and maintained network infrastructure and peripheral devices to support continuous operations. Performed preventive and corrective maintenance, delivering timely troubleshooting of daily system and network issues, minimizing downtime and service disruption.


Education

State Board of Technical Education & Training

Diploma in Engineering, Electronics

2001 - 2004

3 years

Birla Institute of Technology and Science, Pilani

Bachelor's degree, Information Systems


Licenses & certifications

Certified Data Center Professional

Issued: Aug 2016

Project Management Professional

Issued: Apr 2015

ITIL Foundation

Issued: Dec 2011

Linux Administration

Issued: Sep 2010

vmware vSphere

Issued: Jan 2010

HP OPEN VMS System Admin

Issued: Dec 2008

The best place to find your next move

© 2026. All Rights Reserved.