Mechanical / Aircon / Electrical Engineer

DAY ONE PTE. LTD.; Singapore; On-site; SGD 50,000 - 80,000; Full time

Job summary

DAY ONE PTE. LTD. in Singapore is seeking hands-on engineers to install, test, and commission HBOT and oxygen systems at client sites, with a focus on safety and reliability.

You will collaborate with R&D and product teams, provide technical training, and support regional travel as the company scales globally; proactive problem-solvers wanted to drive healthcare innovation.

Qualifications

• Diploma or Degree in Engineering (Mechanical, Mechatronics, or related).
• Hands-on technical skills in wiring, plumbing, electrical, system integration, or similar.
• Strong problem-solving mindset and initiative; you don’t wait for instructions, you figure it out.
• Ability to communicate clearly with technical and non-technical stakeholders.
• Excellent attention to detail, especially in safety-sensitive environments.
• Preferred but not mandatory: experience with oxygen systems, medical equipment, or HVAC.

Responsibilities

• Perform technical setup, testing, installation, and commissioning of HBOT and oxygen systems at client locations.
• Conduct preventive and corrective maintenance; troubleshoot hardware and system faults (mechanical, electrical, air-oxygen systems).
• Work closely with R&D and product teams to improve system reliability, user experience, and integration.
• Assist in system design, prototyping, and engineering documentation.
• Provide technical support and training to clients, operators, and internal team.
• Ensure safety and regulatory compliance across all installations and engineering activities.

Skills

Hands-on engineering

Wiring, plumbing, electrical

System integration

Problem-solving

Communication

Education

Diploma or Degree in Engineering (Mechanical, Mechatronics, or related)

Job description

Who We’re Looking For

You are not just looking for a job - you’re looking to build, innovate, and grow fast. You thrive in a dynamic environment, where no two days are the same. You enjoy being hands-on, solving real-world technical issues, and working closely with clients and a passionate internal team.

We’re looking for resourceful, self-driven engineers who take ownership and pride in their work - people who enjoy building something meaningful from the ground up.

Key Responsibilities

• Perform technical setup, testing, installation, and commissioning of HBOT and oxygen systems at client locations.
• Conduct preventive and corrective maintenance; troubleshoot hardware and system faults (mechanical, electrical, air-oxygen systems).
• Work closely with R&D and product teams to improve system reliability, user experience, and integration.
• Assist in system design, prototyping, and engineering documentation.
• Provide technical support and training to clients, operators, and internal team.
• Ensure safety and regulatory compliance across all installations and engineering activities.

You Should Have

• Diploma or Degree in Engineering (Mechanical, Mechatronics, or related).
• Solid hands-on technical skills - wiring, plumbing, electrical, system integration, or similar.
• Strong problem-solving mindset and initiative - you don’t wait for instructions, you figure it out.
• Ability to communicate clearly with technical and non-technical stakeholders.
• Excellent attention to detail, especially in safety-sensitive environments.
• [Preferred but not mandatory] Experience with oxygen systems, medical equipment, or HVAC.

What You’ll Gain

• Direct exposure to high-tech wellness and the future of healthcare innovation.
• A front-row seat in scaling a Singapore-grown brand with global ambitions.
• Freedom to make your mark - we value ideas, not just job titles.
• Opportunities for regional travel, leadership, and career development.
• A dynamic, supportive, and ambitious team culture.