
Ramesh Thiyagarajan
Senior Data Center Operations Leader
Salary / Daily rate
Chennai, Tamil Nadu, India
Freelance
Can come onsite
Languages
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