Warayut Ritnayom

Leading Data Center Operations teams to deliver reliable, secure, and scalable infrastructure at hyperscale. Responsible for day-to-day operations, team leadership, and execution across server and network hardware lifecycle—from installation and configuration to troubleshooting and decommissioning. Partnering cross-functionally to drive operational excellence, safety (EHS), and continuous improvement while supporting Google’s global AI and infrastructure platforms.

As the Group Head of IT Infrastructure, I lead and manage a high-performing team, including DBAs, Network Engineers, Server Admins, and Backup Operators, ensuring smooth day-to-day operations of our IT infrastructure. I serve as the primary point of contact for all IT matters between our branch, the Head Office, and vendors, ensuring compliance with local and international policies. My responsibilities include overseeing the performance, security, and business continuity of IT systems across multiple branches, collaborating with our Japan Head Quarter and APAC Regional teams, and driving IT projects aligned with business goals. I also manage IT budgets, propose solutions to enhance infrastructure performance, and lead disaster recovery and risk management efforts. I’m committed to continuous improvement, driving automation and best practices, and ensuring regulatory compliance, particularly in the banking sector with agencies like the Bank of Thailand, AMLO, and others. I take pride in providing mentorship, fostering employee engagement, and offering professional development opportunities to my team, all while delivering cost-effective, high-quality IT solutions.

During my time at OCBC Bank, I led and guided the IT team to ensure smooth operations, security, and compliance with policies. I acted as the primary point of contact for IT matters between the branch, Head Office, and vendors, ensuring all IT operations aligned with banking guidelines and regulations. I was responsible for overseeing the installation, upgrades, and maintenance of critical IT infrastructure, including computer equipment, storage systems, and telephony. Additionally, I coordinated and led projects related to network infrastructure, data communication, security, and disaster recovery. I played a key role in ensuring compliance with regulatory bodies like the Bank of Thailand (BOT), AMLO, and the DPA, assisting with audits and maintaining robust disaster recovery plans. As the Local Information Security Officer (LISO), I also managed security matters and supported the back-office operations teams. My focus on ensuring seamless operations and timely task completion for the IT team contributed to the bank’s overall operational efficiency and risk management. I also represented IT to local regulators, ensuring full adherence to regulatory requirements.

As the IT Infrastructure and Networking Manager at BNP Paribas Bank, I was responsible for managing and maintaining the bank’s IT infrastructure systems, including servers, networks, firewalls, and data centers, ensuring they aligned with global and regional guidelines. My role involved ensuring the security and integrity of IT systems, addressing potential security gaps, and performing remediation actions when necessary. I coordinated closely with regional teams, suppliers, and subcontractors on infrastructure projects, ensuring seamless integration and support for critical systems such as Microsoft Windows, KOFAX, Cisco IP Phones, and financial market data systems like Reuters and Bloomberg. I also managed backup and recovery solutions using VMware, Veeam, and NetBackup, and ensured compliance with business continuity plans (BCP), including disaster recovery testing and external BCP/DR tests for regulatory bodies. In addition to overseeing IT infrastructure, I worked on regulatory systems, including those required by the Bank of Thailand and other government entities, ensuring compliance and the smooth operation of critical services such as Bahtnet and e-GP. I also played a key role in budget preparation, asset management, and compliance with security standards, contributing directly to BNP Paribas’s operational framework. Throughout my time at BNP Paribas, I coached and supervised IT staff, assisted with ISO27001:2013 implementation, and provided backup support for IT Helpdesk tasks when necessary.

In my role at Chubb Samaggi Insurance, I managed the company’s IT infrastructure, coordinating with various departments to ensure seamless support for business operations worldwide. I led a skilled team focused on developing strategies, maintaining data for business plans, and ensuring smooth sales management and disaster recovery processes. I was responsible for overseeing IT systems, hardware, and software programs, including annual forecasts for budgets and cost-effective implementations. Additionally, I supervised production systems, ensuring that service levels were met, and worked closely with departments to align IT infrastructure with business requirements. My work included managing data centers, monitoring critical systems, and ensuring compliance with industry guidelines. I designed and implemented global IT systems, coordinated network infrastructure support, and handled the installation, configuration, and support of hardware and software for over 1,600 users. I also played a key role in disaster recovery planning, system security monitoring, and maintaining high system availability for business continuity. Throughout my tenure, I ensured timely updates of problem-tracking systems and worked closely with vendors to secure cost-effective quotations.

As an IT On-Site Support Analyst at Schlumberger, I was responsible for providing second-line investigation and diagnostic support, ensuring timely resolution of incidents and service requests in accordance with agreed procedures. I was the primary point of contact for 11 offshore and 3 onshore well site connectivity, providing both remote and on-site support to ensure seamless IT operations across these sites. I performed essential tasks such as staging EUC devices, handling IMAC (Install, Move, Add, and Change) of servers, networks, and hardware, and coordinating with service desk teams for hardware repairs. Additionally, I supported IT security issues, including virus elimination and server maintenance, while ensuring compliance with confidentiality and security standards. I was also involved in deploying LANs, WANs, and wireless networks, as well as maintaining documentation related to network configuration and performance. By monitoring network performance and troubleshooting problem areas, I played a key role in ensuring reliable connectivity and support for Schlumberger’s operations across offshore and onshore sites.

As an IT System Support Specialist at Chubb Samaggi Insurance, I was responsible for the installation, configuration, and ongoing support of PC, server, printer, and fax hardware, as well as operating system software (IBM, Windows XP) and security software for ACE Thailand office users. I played a key role in network design and server configuration to support various projects, ensuring optimal performance across the IT infrastructure. I provided first-level support for the AS/400 print server and managed user maintenance tasks, including the creation and deletion of user profiles and access permissions for LAN logins, email, and applications. Additionally, I monitored disk space usage and server logs to ensure hardware and software errors were resolved promptly to maintain system performance. My role also included assisting with local and wide-area network infrastructure, supporting the AVAYA PABX system, and liaising with regional and overseas teams to resolve technical issues. I worked with external suppliers and service providers to ensure timely equipment deliveries and repairs, and I assisted with technical tasks for various IT projects at ACE Thailand.

As a Technical Solution Consultant Level 2 at Hewlett Packard Multimedia, I provided IT and end-user support for global accounts, including Chevron and Eli Lilly & Company. I was the primary point of contact for local IT support and managed user access for systems such as Active Directory, Blackberry Enterprise Server, SAP, and AS/400. My role also involved troubleshooting hardware issues and coordinating with hardware vendors. I supported users across various regions, including Thailand, Japan, India, Australia, New Zealand, Malaysia, Philippines, Singapore, and Vietnam, through inbound and outbound calls and emails. My responsibilities included password resets, device unlocks, and VPN, RSA Soft Token, and Hard Token support. Additionally, I handled incident reporting and problem analysis, identifying root causes and providing solutions to resolve issues efficiently. I ensured that service levels were met by managing service requests and providing timely support.

2008-03 – 2010-03 Technical Consultant (subcontract under Emerio Corp Sdn.) Dell Asia Pacific (Malaysia) Sdn. • Working under Dell Asia Pacific (Penang, Malaysia), Support and consultant Dell Notebook, PC, Workstation to perform problem analysis to saleperson, end user and corporate user and verify hardware problem and coordinate with Dell service provider for onsite service. • Handle on call support and proactive activities through inbound, outbound calls and emails in daily for customer in the corporation level and home user level from Thailand. • Follow up call cases in daily operation and make sure each service is able to solve the problem fine. • Perform work tracking problems and change, analysis and troubleshooting the problem-resolving and solutions for overall hardware of all Model of Desktops, Laptops, and Workstations and overall related a software problem that is sale in Thailand and other model that customer brings from overseas. • Provide consultancy in technical aspects of all products and solutions for customer. • Provide consultancy in technical aspects and advise the solution for each engineer during onsite at the customer site in case of issue. • Perform and handle and escalate the problem in case of customer satisfaction in services or products. • Good leadership skills to improve customer satisfaction score. • Coordinate with Onsite-Engineer to ensure the onsite engineer performance is measured correctly. • Develop technical knowledge and skills to improve performance for support customers. • Reporting the problem case or in case of customer satisfaction to Team lead Manager.