Senior Manager, Reliability (GERA)

DayOne; Singapore; On-site; SGD 180,000 - 240,000; Full time

Job summary

DayOne is seeking a Manager/Senior Manager to lead the reliability program for its data centre portfolio in the region. You will provide technical leadership, governance, and execution oversight to ensure safe, reliable, efficient, and scalable operations across sites.

Responsibilities include driving FMEA-based risk assessments, CAPA, incident reviews, and maintaining KEDB, with collaboration across OEMs and stakeholders. 8–12 years of DC experience and travel across Southeast Asia are required.

Qualifications

• Bachelor’s degree in mechanical/electrical engineering or Building Services Engineering.
• SCEM, GMAP, CDCS or related certificates preferred.
• 8–12 years of experience managing critical infrastructure and equipment in data centers.
• Demonstrated experience as a Technical SME responsible for electrical and mechanical infrastructure lifecycle.

Responsibilities

• Oversee reliability governance across the data centre portfolio and maintain a systemic risk register with mitigation measures.
• Consolidate system specifications and critical parts following risk-prioritization methodology.
• Lead root cause analyses, CAPA, and maintain the Known Error Database (KEDB) for recurring issues.
• Monitor energy and water performance applying ISO 50001, using PDCA for continuous improvement.
• Advance maintenance governance with preventive, predictive, and condition-based maintenance strategies.
• Support operations with technical issue resolution, regulatory and design requirements.

Skills

Communication

Stakeholder management

Travel readiness

Education

Bachelor's degree in Mechanical/Electrical Engineering or Building Services Engineering

SCEM, GMAP, CDCS or related certificates preferred

Job description

Join DayOne – Shaping the Future of Data Infrastructure DayOne is a global leader in the development and operation of high-performance data centers. As one of the fastest-growing companies in the industry, we’ve built a robust presence across Asia and Europe — and we’re just getting started. As we expand into new international markets, we’re looking for talented, driven individuals to join us on this exciting journey. This is more than a job — it’s an opportunity to be a key contributor to our dynamic team and help shape the future of global data infrastructure. If you're passionate about innovation, technology, and growth, we invite you to be part of DayOne’s next chapter. This position represents an in-country operational leadership role within the DayOne Operations team. The incumbent will support the Reliability Director of GERA by providing technical leadership, operational governance, and execution oversight for reliability initiatives across the designated data centre portfolio. The Manager / Senior Manager will be entrusted with ensuring the safe, reliable, efficient, and scalable operation of mission-critical data centres.

Role and Responsibilities

Core responsibilities encompass: taking care equipment reliability and performance Conducting comprehensive operational risk assessments utilizing the Failure Mode and Effects Analysis (FMEA) methodology. Developing and implementing containment measures, permanent corrective actions, and preventive strategies to mitigate recurrence. Coordinating effectively with internal and external stakeholders to achieve optimal operational outcomes. Driving continuous improvement initiatives to strengthen reliability, resilience, and performance across the portfolio.

• Reliability Governance: Oversee and uphold the reliability governance framework across the assigned data centre portfolio. Establish and maintain a comprehensive systemic risk register with clearly defined risk categories and corresponding mitigation measures. Conduct periodic evaluations of the effectiveness of these measures to drive continuous improvement.
• Asset management and critical parts management: Consolidate and maintain system specification information and critical parts following Risk Prioritization Number (RPN) methodology.
• Problem Management: Lead the problem management process by conducting thorough technical and holistic root cause analyses, implementing Corrective and Preventive Actions (CAPA), and overseeing reviews of major incidents. Establish and maintain the Day One Data Centre Known Error Database (KEDB) to ensure systematic documentation and resolution of recurring issues.
• Energy and Water Performance Management: Familiar with ISO 50001 Energy Management Scheme, monitor and analyze performance indicators for the data centre portfolio assigned, and apply PDCA methodology for continuous improvement.
• Maintenance Governance: Advance system reliability and availability through the implementation of preventive, predictive, and condition-based maintenance strategies. Evaluate equipment health, performance data, alarms, and failure trends to ensure that all maintenance objectives are appropriately executed and aligned with operational standards.
• Operational Engineering Support: Assist with any technical issues arise from operations including customer request, regulatory and legal requirements, design intent fulfillment etc.
• Equipment Lifecycle and Obsolescence: Develop and execute strategic plans for major equipment maintenance, overhauls, and cyclic replacements. Manage end-of-life (EOL) and end-of-service-life (EOSL) transitions, and oversee asset refresh programs to ensure sustained reliability, efficiency, and alignment with operational standards.
• Vendor and Contractor Management: Coordinate and engage with internal stakeholders, original equipment manufacturers (OEMs), service providers, consultants, and contractors to ensure the consistent delivery of high-quality maintenance services in alignment with organizational standards and operational requirements.
• Regional Capability Building: Provide coaching and mentorship to site teams, disseminate best practices, and strengthen regional competencies in the operation of mission-critical environments.

Candidate Requirements

• Bachelor’s degree in mechanical/ electrical engineering, Building Services Engineering or related discipline.
• Candidates with SCEM, GMAP, CDCS or other related professional certificates are preferred.
• Minimum 8-12 years of experience in in managing critical infrastructure and equipment, preferably in data centers environments.
• Demonstrated experience as a Technical Subject Matter Expert (SME) responsible for the complete electrical and mechanical infrastructure lifecycle.
• Strong understanding of local and international standards on equipment maintenance scope, frequency and operating parameters.
• Have in depth knowledge of local regulations in operations and maintenance management.
• Proven experience leading complex incident response, performing advanced fault diagnosis, protection system analysis, forensic Root Cause Analysis (RCA), and driving permanent corrective and preventive actions across equipment lifecycle and operations.
• Strong communication and stakeholder management skills.
• Willingness to travel across Southeast Asia to support site operations, audits, technical certification, commissioning, incident response, and technical reviews.

DayOne is proud to be an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees.

DayOne is a data center pioneer that develops and operates next-gen digital infrastructure for industry leaders who demand reliable, cost-effective and quickly scalable solutions. Our cutting-edge facilities empower hyperscalers and large enterprises to achieve rapid deployment and enhance connectivity, driving transformative engagement and innovation as we shape the future of industries.

DayOne's data centers are located across key markets, including Singapore, Johor (Malaysia), Batam (Indonesia), Greater Bangkok, Hong Kong SAR, Tokyo, and beyond. Headquartered in Singapore, DayOne’s leadership team draws on over two decades of industry experience and a track record of building Asia's largest data center business. With DayOne, we have created the SIJORI (Singapore, Johor, and Riau Islands) market as a global data center hub. As demand for strategically located and customized data centers rises, DayOne's entrepreneurial spirit, customer-first strategy, deep local partnerships, and agile executional capabilities uniquely position us to power the growth ambitions of leading hyperscalers and large enterprises around the world.