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Skills:

Mechanical Engineering

Job type:

Internship

• 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.
• Critical Systems Support.
• Assist in the monitoring and basic operation of Mechanical, Electrical, and Plumbing (MEP) systems within the data center.
• Support routine checks of mechanical, electrical, fire protection, and security systems to ensure normal operation.
• Learn and follow established safety policies, procedures, and best practices under supervision.
• Operations & Team Support.
• Support shift teams with daily operational activities and handover documentation.
• Observe 24/7 operations and assist with coordination tasks as assigned.
• Help with simple planning and tracking activities related to resources and workflows.
• Maintenance & Engineering Exposure.
• Assist in preventive and corrective maintenance activities under the guidance of engineers and technicians.
• Support coordination with vendors and contractors during maintenance or minor upgrade works.
• Help collect maintenance data, log issues, and track work orders.
• Learn basic troubleshooting techniques and assist in issue resolution under supervision.
• Safety & Compliance.
• Support compliance with building codes, environmental, health & safety requirements.
• Assist in maintaining documentation, permits, and records for audits and inspections.
• Participate in safety briefings, drills, and training sessions.
• Technical & Analytical Support.
• Assist in evaluating facility systems and operational performance.
• Help gather, organize, and analyse operational data and reports.
• Support continuous improvement initiatives by identifying inefficiencies or improvement opportunities.
• Learning & Development.
• Gain hands-on exposure to data center critical infrastructure and facilities management.
• Learn industry best practices, standards, and operational procedures.
• Support the Mechanical Engineering Manager and Critical Services Manager on assigned projects and initiatives.
• Candidate Requirements.
• Currently pursuing or recently completed a.
• Bachelor's degree in Mechanical, Electrical, Building Services Engineering., or a related field.
• Strong interest in data center operations, facilities, or critical engineering systems.
• Basic understanding of engineering principles (MEP preferred).
• Good analytical, troubleshooting, and problem-solving mindset.
• Good verbal and written communication skills.
• Willingness to learn, take instructions, and work in a team-based environment.
• 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.

Skills:

Instrument

Job type:

Full-time

• Preparing, maintaining, analyzing, troubleshooting and calibrating of all equipment also control system as PLC, DCS, SCADA.
• Controlling and reducing the maintenance costs to have production effectiveness within the specified limits.
• Analyzing and solving machinery problems in normal and urgent situations/cases or on-call for continuous operation of machinery and electrical system.
• Evaluating and presenting a monthly maintenance summary report for analysis and improvement about availability, reliability, performance and efficiency of machinery and instrument.
• Monitoring the environmental system.
• Bachelor's degree or higher in Control and Instrument Engineering.
• Minimum 3 years' experience in control and instrument maintenance, preferably experience in power plant would be an advantage.
• Experience in Distributed Control System (DCS).
• Ability to work "on call" on weekends and holidays.
• Able to work in upcountry, Saraburi or Ayutthaya.
• Good command in English (Minimum 600 TOEIC score).
• Goal-Oriented, Unity, Learning, Flexible.

Skills:

Instrument

Job type:

Full-time

• Design, configure, install, and test Distributed Control Systems (DCS) for industrial automation projects.
• Develop system architecture, control strategies, and engineering designs based on customer requirements.
• Configure and customize DCS applications, control logic, and graphics to support customer processes.
• Perform system integration and verify system functionality.
• Prepare engineering documentation, including functional design specifications, system configuration documents, test procedures, and project records.
• Conduct Factory Acceptance Tests (FAT), Site Acceptance Tests (SAT), commissioning, and system verification.
• Troubleshoot and resolve system issues during testing, installation, and commissioning.
• Coordinate with customers, vendors, and internal teams to clarify technical requirements and ensure successful project delivery.
• Monitor project progress and support timely completion of assigned tasks.
• Perform other duties and responsibilities as assigned by the supervisor.
• Bachelor's degree in Electrical Engineering, Control & Instrumentation Engineering, or a related field.
• Fresh graduates are welcome to apply.
• Basic knowledge of DCS and Industrial Control Systems is preferred.
• Programming knowledge in Python or C is an advantage.
• TOEIC score of 500 or above is preferred.
• Proficient in Microsoft Office (Word, Excel, PowerPoint, and Visio).
• Willing to travel domestically and overseas.
• A valid driver's license is required.
• Personal Data Protection Notice.
• By responding to Yokogawa's advertisement, consent is considered given to Yokogawa to collect the required personal data for the purpose of recruitment with expectation that Yokogawa will protect personal data with security safeguards that are reasonable and appropriate to the sensitivity of the personal data, to protect it from unauthorized access, use or disclosure and complies with applicable regulatory requirements with respect to the retention of personal data.

Skills:

Compliance, Electrical Engineering, ISO 14001

Job type:

Full-time

• Supervise and monitor electrical installation works performed by the EPC contractor, including transformers, switchgears, MCC, cabling, control panels, and instrumentation.
• Ensure installation quality, safety compliance, and conformity to project drawings and engineering standards.
• Coordinate with the owner's engineering team, EPC contractors, and consultants to resolve technical issues onsite.
• Participate in Factory Acceptance Tests (FAT), Site Acceptance Tests (SAT), loop checks, and system function tests.
• Support commissioning activities and system handover preparation to the operations team.
• Supervise and lead electrical personnel in the safe and timely execution of daily tasks and assignments.
• Oversee electrical repairs and troubleshooting activities; support the training and development of team members.
• Collaborate with the Maintenance Manager to establish a preventive maintenance program and ensure availability of necessary spare parts and consumables.
• Enhance and update technical information related to electrical equipment within the maintenance database system.
• Maintain accurate records, including maintenance logs, equipment history, journals, and required reports.
• Provide direction, control, and performance evaluation for subordinate staff.
• Initiate purchase requisitions for required maintenance parts and materials, and submit for necessary approvals.
• Job Qualifications.
• Bachelor's degree in Electrical Engineering or related discipline.
• Minimum 4 years of relevant experience in power plants or industrial facilities, especially in electrical and control systems..
• Must have knowledge of and actively support quality, environmental, safety, and social management systems (e.g., ISO 14001, ISO 9001, ISO 45001, and ESMS).
• Good knowledge of high voltage (HV) electrical systems, electrical protection, PLC, SCADA, and instrumentation.
• Experience in both construction supervision and plant operation & maintenance is preferred.
• Strong problem-solving, analytical, and planning skills.
• Excellent communication and coordination skills, with the ability to work collaboratively across teams.
• Fluent in English both written and verbal (Minimum 600 TOEIC score).
• Goal - Oriented, Unity, Learning, Flexible.

Experience:

1 year required

Skills:

Instrument

Job type:

Full-time

Control BMS/PMS, electrical, control, and instrumentation system installation per standards. Review technical documents and manage interface coordination. Monitor installation quality and progress for instrumentation and control panels. Verify quality documentation (IR, ITR, test reports) and coordinate QA/QC. Support pre-commissioning, testing, and commissioning activities. Analyze and resolve technical issues; provide improvement recommendations. Location: Data Center, Chachoengsao (housing provided). Schedule: Monday-Saturday, 8:00 AM-5:00 PM. Requirements: Vocational or bachelo ...