Skip to content

Open nowPosted today

Critical Services Manager

Day One97 open roles

Where
Tokyo
Get the CV for this job

From $25 per CV, paid once. No subscription.

Your applicationOpen nowCritical Services ManagerDay One · Tokyo
  1. YouYes, apply to this one.

  2. CV RocketCV written for this posting.

  3. 25 readersRecruiter, hiring manager, skeptic. Round after round.

  4. CV RocketApplied on Day One's own form.

The reply lands in your private mailbox

3×more interviews than doing it yourself with ChatGPT.

The clock on this job

Early applications get read.

13.4% of postings close within 7 days. Measured by our own scanner across the market. Day One postings stay open a median of 18 days.

Share of postings closed within
  1. 2.2%1 day
  2. 4.6%3 days
  3. 13.4%7 days
  4. 21.6%14 days
  5. 36.2%30 days
  6. 59.0%60 days
This job: posted today

Day One median: 18 days open

The posting

About DayOne Data Centers

DayOne Data Centers is a Singapore-headquartered global digital infrastructure platform that develops and operates next-generation data centers across Asia Pacific and Europe. Trusted by leading hyperscalers and businesses, the company engineers, builds, and operates high-capacity, AI-ready campuses with speed, scale, and reliability.

About DayOne Data Centers

DayOne Data Centers is a Singapore-headquartered global digital infrastructure platform that develops and operates next-generation data centers across Asia Pacific and Europe. Trusted by leading hyperscalers and businesses, the company engineers, builds, and operates high-capacity, AI-ready campuses with speed, scale, and reliability.

In Japan, our growing platform includes the 80MW Fuchu Intelligent Park hyperscale campus in Tokyo, as well as a newly announced 200MW data center campus in Imari City, Saga Prefecture. Together, these developments reflect our long-term commitment to one of the world's most important digital infrastructure markets and support Japan’s next phase of digital growth.

As we continue to grow, we are building a team of talented professionals who want to shape the next generation of digital infrastructure. Joining DayOne means becoming part of a high-growth, international organization that is helping power the future of cloud, AI, and the digital economy.

POSITION OVERVIEW

Reporting to the Cluster Operations Manager, the Critical Services Manager is responsible for overseeing the Mechanical, Electrical, and Building Management System (BMS) engineering teams, as well as managing the 24/7 shift team to ensure uninterrupted operations of the data centre.

This role requires a highly skilled professional with a strong background in data centre infrastructure, exceptional leadership abilities, and a commitment to maintaining Service Level Agreement (SLA) compliance

RESPONSIBILITIES

  • Leadership and Management:

- Lead, mentor, and develop the mechanical, electrical, and BMS engineering teams to ensure high performance and professional growth.

- Oversee the 24/7 shift team, ensuring effective communication and coordination to maintain continuous operations.

  • Operational Excellence:

- Ensure the efficient and reliable operation of all critical systems, including HVAC, electrical distribution, generators, UPS, and BMS.

- Develop and implement standard operating procedures (SOPs) for maintenance and emergency response.

- Monitor system performance and implement improvements to enhance reliability and efficiency.

  • undefined
  • SLA Compliance:

- Ensure all operations and maintenance activities are conducted in compliance with SLAs.

- Develop and track key performance indicators (KPIs) to measure compliance and performance.

- Address and resolve any issues that could impact SLA compliance promptly.

  • Project Management:

- Manage and oversee critical infrastructure projects, including upgrades, expansions, and maintenance.

- Coordinate with internal teams and external contractors to ensure projects are completed on time, within scope, and budget.

  • Safety and Compliance:

- Ensure all operations adhere to safety protocols and regulatory standards.

- Conduct regular safety audits and drills to ensure team readiness for emergency situations.

- Maintain documentation and records in compliance with regulatory and company requirements.

  • Budget Management:

- Develop and manage the budget for the critical services department.

- Monitor expenditures and implement cost-saving measures without compromising service quality.

  • Continuous Improvement:

- Foster a culture of continuous improvement by encouraging innovation and process enhancements.

- Stay updated with the latest industry trends and technologies to implement best practices.

CANDIDATE REQUIREMENTS:

  • Bachelor’s degree in Mechanical Engineering, Electrical Engineering, or a related field. Advanced degree preferred.
  • Minimum of 7-10 years of experience in data centre operations or a similar critical infrastructure environment, with at least 3-5 years in a managerial role.
  • Proven experience in managing multidisciplinary engineering teams.
  • Strong knowledge of HVAC, electrical systems, generators, UPS, and BMS.
  • Excellent leadership, communication, and interpersonal skills.
  • Ability to work under pressure and manage multiple priorities.
  • Strong analytical and problem-solving abilities.
  • Familiarity with industry standards and regulatory requirements.
  • Certification in data centre management (e.g., CDCP, CDCS) is a plus.
  • Business level or above in both Japanese and English

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

If you're ready to grow with one of the fastest-moving companies in the data center industry, apply now and be part of our global journey.

From $25, paid onceGet the CV for this job

What happens when you press

One press. We do the rest.

  1. A CV for this posting

    Written against Day One's own wording, from every piece of relevant proof in your profile.

  2. 25 readers review it

    Recruiter, hiring manager, skeptic and more read every draft, round after round. You get the best round.

    The review screen in CV Rocket: how each CV was read, round by round.
  3. We apply on Day One's form

    Our application engine gets through the hardest forms there are. Where a question needs you, AI suggests the best answer. Don't want us applying from our IP addresses? Use our Chrome extension: we apply straight from your own browser.

    An application in CV Rocket: every answer filled in on the employer's form.
  4. Every reply, sorted

    Day One's answer lands in your private mailbox, and we classify it on arrival: interview, question, rejection.

    The CV Rocket inbox: each employer reply classified as an interview, an action or a rejection.
  5. Reply with AI

    AI helps you write the email, checks it and sends it. We show you whether the recruiter read it.

  6. The interview in your calendar

    Full integration with your calendar. The invitation goes straight in.

    An interview invitation in the CV Rocket inbox, added to the candidate's calendar.
Get the CV for this job

From $25 per CV, paid once. No subscription.

Why it works

3×

more interviews than doing it yourself with ChatGPT.

ChatGPT writes a CV and never learns what happened to it. We see every reply. For each CV we know:

  • How it was written, and how the review scored it
  • When we applied, and how long after the posting went up
  • Which posting, which company, which city
  • Who got the interview, and who heard nothing

That is how we know which CVs get called.

Get the CV for this job

From $25 per CV, paid once. No subscription.

The numbers game

More applications. More interviews.

Every application goes out with its own CV, written for that posting and paid once. Send enough of them and the law of large numbers finds you the job.

By hand5–10
With CV Rocket100
applications a day

Nearby

Live postings like this one

Same employer first, then the same role elsewhere.

Before you press

Straight answers

Get the CV for this job

From $25 per CV, paid once. No subscription.

What if my background isn't good enough?

We make the most of the background you have. The CV uses every piece of relevant proof your profile holds, and one of the 25 readers reads your whole profile and flags what the CV left out.

Do you really apply for me?

Yes, on the employer's own form, the hardest ones included. Where a question needs you, you answer it right there and AI suggests the best answer. Don't want us applying from our IP addresses? Use our Chrome extension: we apply straight from your own browser.

Is it a subscription?

No. You pay once per CV, from $25. Every application goes out with its own CV, written for that posting.

One job. One CV.
Paid once.

Pick the posting you want. We write for it, apply for you and catch the reply.

Get the CV for this job

From $25 per CV, paid once. No subscription.