Senior Engineer Mechanical

DayOne; Batam; On-site; IDR 240,000,000 - 420,000,000; Full time

Job summary

DayOne is a global leader in high-performance data centers, with a presence across Asia and Europe. We are expanding into new markets and seek a Mechanical System Manager to oversee design, installation, operation, and maintenance of mechanical systems in our data centres.

You will lead a team of engineers and technicians, ensure 24/7 coverage, coordinate with vendors, and drive safety, compliance and continuous improvement initiatives to support rapid deployment and scalable infrastructure.

Qualifications

• Bachelor’s degree in Mechanical Engineering or related field.
• 3–5 years of mechanical engineering experience.
• Strong knowledge of data centre mechanical infrastructure (HVAC, chillers, cooling towers, pumps, compressors).
• Experience leading technical teams and 24/7 operations; PE certification desirable.

Responsibilities

• Oversee design, installation, operation, and maintenance of data centre mechanical systems.
• Ensure HVAC, chillers, cooling towers, and fire suppression function reliably.
• Lead and mentor assistant facilities engineers and technicians.
• Coordinate with vendors for maintenance and upgrades with minimal downtime.
• Support safety and compliance with health, safety, and environmental regulations.

Skills

Team leadership

Problem-solving

Communication

Collaboration

24/7 operations experience

Education

Bachelor’s degree in Mechanical Engineering or related field

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.

Mechanical System Management:

• Oversee the design, installation, operation, and maintenance of mechanical systems within the data centres.
• Ensure all mechanical infrastructure, including HVAC systems, chillers, cooling towers, and fire suppression systems, operates reliably and efficiently.
• Implement and maintain mechanical safety policies, procedures, and best practices.

Team Leadership:

• Lead, mentor, and develop a team of assistant facilities engineers and technicians, fostering a culture of excellence and continuous improvement.
• Coordinate with shift teams to ensure seamless 24/7 coverage and effective handovers between shifts.
• Conduct regular training sessions and performance evaluations to enhance team capabilities and productivity.

Maintenance and Upgrades:

• Plan and oversee preventative and corrective maintenance activities, ensuring all mechanical equipment and systems are serviced according to manufacturer and company standards.
• Coordinate with vendors and contractors for mechanical maintenance and upgrade projects, ensuring minimal impact on operations.
• Implement preventive maintenance strategies to minimize downtime.
• Diagnose and resolve mechanical issues promptly.

Safety and Compliance:

• Ensure all mechanical operations comply with relevant health, safety, and environmental regulations.
• Maintain up-to-date documentation and records to support compliance audits and certifications.

Technical Support:

• Provide technical expertise and support for mechanical systems, including troubleshooting and resolving mechanical issues.
• Collaborate with other engineering and operations teams to ensure integrated and efficient system performance.

Strategic Initiatives:

• Support the Mechanical Engineering Manager and Critical Services Manager in developing and implementing strategic initiatives to enhance mechanical system performance and support business growth.

Candidate Requirements:

• Bachelor’s degree in Mechanical Engineering or a related field.
• Minimum of 3-5 years of experience in mechanical engineering.
• Strong knowledge of data centre mechanical infrastructure, including HVAC, chillers, cooling towers, pumps and compressors.
• Proven experience in managing technical teams and 24/7 operations.
• Excellent problem-solving skills and the ability to manage complex mechanical challenges.
• Good communication and interpersonal skills, with the ability to collaborate effectively with internal and external stakeholders.
• Certifications such as Professional Engineer (PE) or similar are highly desirable.

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, they 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.