Mechanical Maintenance Engineer Jobs in Aster Chemicals and Energy in Singapore

Job Title: Mechanical Maintenance Engineer
Location: Singapore, SG, 627879
Job Category: Manufacturing
Company: Aster Chemicals and Energy (Aster)

Join Aster Chemicals and Energy – A Leader in Refining and Petrochemicals

Aster Chemicals and Energy (Aster) is a joint venture led by Chandra Asri in partnership with Glencore Group, shaping Singapore’s role as a hub for integrated refining and petrochemical innovation. With facilities at Pulau Bukom and Jurong Island, we operate a 237,000 barrels per day refinery and a 1.1 million tonne per year ethylene cracker at Aster Bukom, while Aster Jurong Island produces essential petrochemicals that support industries across Southeast Asia.

Building on over 60 years of industrial heritage, Aster is committed to sustainability, operational excellence, and innovation in the energy sector. We welcome passionate engineers and technical experts to join us on our journey of advancing energy solutions and creating long-term value for industries and communities.

We are currently seeking a Mechanical Maintenance Engineer to join our team in Singapore. This role is critical in ensuring reliable plant operations, supporting refinery and petrochemical facilities, and driving world-class maintenance standards.

About the Role: Mechanical Maintenance Engineer

As a Mechanical Maintenance Engineer, you will be responsible for planning and executing critical static mechanical maintenance activities such as PCRs, PIT/PIMS, catalyst changes, and RIK. You will provide frontline engineering support to ensure safe, reliable, and efficient operations, while assisting the Maintenance Team Lead to maximize plant availability and optimize resources.

This role requires strong collaboration, the ability to lead contractors, and a focus on safety, compliance, and operational efficiency in one of Singapore’s most advanced energy facilities.

Key Responsibilities

In this role, you will:

• Deliver assigned activities in a cost-effective, safe, and efficient manner through contractors.

• Lead contractors in field activities while upholding high safety standards and ensuring compliance with regulatory, industry, and company HSE requirements.

• Organize and chair Job Hazard Analysis (JHA) meetings to identify and mitigate risks before work begins.

• Collaborate with stakeholders to coordinate reviews, optimize schedules, and ensure effective resource utilization.

• Influence non-subordinate stakeholders to achieve maintenance performance goals.

• Identify opportunities for waste elimination, reliability improvement, and maintenance optimization, working with key stakeholders to close performance gaps.

• Interface with the Pipeline Integrity Team for end-to-end OTR execution.

• Develop and implement feasible solutions to maintain piping integrity and ensure timely execution.

• Supervise and drive contractors (SIP, NDT, vendors) to adhere to execution schedules and deliver quality outcomes.

• Conduct site inspections, review work requirements, and prepare field work plans that minimize plant interruptions.

• Coordinate multi-discipline execution activities and manage third-party contractors, vendors, and specialists as needed.

• Prepare weekly reports on progress, provide performance tracking, and develop catch-up schedules if delays occur.

• Perform duties as Authorized Applicant and/or Authorized Engineer under AJI Permit to Work (PTW) requirements.

• Support plant turnaround planning, field execution, and mechanical completion reviews for project handovers.

Job Requirements

To succeed as a Mechanical Maintenance Engineer at Aster, you should bring:

• A Degree or Diploma in Mechanical Engineering or an equivalent qualification.

• Minimum 5 years of experience in mechanical or piping construction within oil & gas, chemical, or petrochemical industries.

• Preferably certified as a MOM Lifting Supervisor and MOM Manhole/Confined Space Entrant.

• Skills in painting, insulation, and scaffolding.

• Experience in brownfield maintenance and construction, including HSSE administration and detailed field execution.

• Familiarity with turnaround planning, field execution, and mechanical piping design.

• Strong knowledge of construction HSSE, scaffold and insulation work, and quality assurance/control (QA/QC).

Why Join Aster Chemicals and Energy?

At Aster, we believe in developing people alongside our operations. By joining us, you will:

• Work in one of the most advanced refining and petrochemical facilities in Southeast Asia.

• Be part of a company with over six decades of heritage and backed by world-class partners.

• Gain exposure to cutting-edge energy solutions and innovative petrochemical production processes.

• Grow professionally in an environment that values safety, sustainability, and technical excellence.

• Contribute to projects that power industries, economies, and communities across the region.

Application Process

If you are passionate about energy, engineering, and innovation, and are ready to make an impact, we encourage you to apply.

Job Number: 761
Applications must be submitted through the Aster career portal:
👉 Apply Here

We thank all applicants for their interest. Please note that only shortlisted candidates will be contacted.