Senior Mechanical Maintenance Engineer - Asset Reliability

Aster; Singapore; On-site; SGD 60,000 - 90,000; Full time

Job summary

Aster Chemicals and Energy Pte. Ltd. is seeking an experienced Maintenance Engineer to lead maintenance execution for static and rotating equipment at our Singapore site.

You will guide specialist contractors, coordinate shutdowns, and support continuous reliability across a high‑value energy and chemicals site. The role requires hands‑on maintenance expertise, strong knowledge of international standards including API, and proven ability to plan, schedule, and supervise contractor work while

Qualifications

• NITEC, Higher NITEC, Diploma, or Degree in Mechanical Engineering, Mechanical Technology, or a related technical discipline.
• At least 5 years of relevant experience for Diploma or Degree holders. Candidates with NITEC or Higher NITEC qualifications should have substantial relevant experience, typically 10 years or more.
• Experience in oil and gas, petrochemical, refining, energy, or other process industries is preferred.
• Hands-on maintenance experience with critical rotating equipment such as compressors, pumps, fin fans, and turbines, and static equipment such as boilers, furnaces, and heat exchangers.
• Working knowledge of relevant international engineering standards and codes, including applicable API standards.
• Experience in maintenance planning and scheduling, contractor supervision, shutdown execution, and computerised maintenance management systems.
• Strong troubleshooting and problem-solving skills, with a sound understanding of HSSE requirements, risk assessment, permit-to-work controls, and safe maintenance practices.

Responsibilities

• Lead planned, corrective, emergency, and shutdown maintenance for static and rotating equipment, ensuring work is completed safely, efficiently, and to the required quality.
• Troubleshoot equipment issues, investigate recurring failures, and implement practical corrective and preventive actions to improve reliability and minimise downtime.
• Supervise maintenance contractors and coordinate manpower, materials, tools, services, permits, and worksite activities to deliver the maintenance schedule.
• Partner with Operations, Engineering, Procurement, planners, schedulers, and contractors to resolve execution challenges and support plant modifications and minor engineering projects.
• Ensure maintenance work complies with statutory requirements, recognised engineering codes, site standards, HSSE controls, risk assessments, permit-to-work requirements, and QA/QC expectations.
• Maintain accurate records in the maintenance management system and drive continuous improvement in equipment reliability, contractor performance, LEAN practices, and cost-effective maintenance execution.

Skills

NITEC / Diploma / Degree qualification

Rotating equipment maintenance

Static equipment maintenance

Maintenance planning & scheduling

Shutdown execution

CMMS / maintenance systems

HSSE & risk assessment

API standards knowledge

Education

NITEC / Higher NITEC

Diploma in Mechanical Engineering or related

Degree in Mechanical Engineering or related

Job description

Aster Chemicals and Energy Pte. Ltd. is seeking an experienced Maintenance Engineer to lead maintenance execution for static and rotating equipment at our Singapore site.

You will guide specialist contractors, coordinate shutdowns, and support continuous reliability across a high‑value energy and chemicals site. The role requires hands‑on maintenance expertise, strong knowledge of international standards including API, and proven ability to plan, schedule, and supervise contractor work while