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Senior Maintenance Engineer (WDA)


Senior Maintenance Engineer (WDA)

• Opportunity to be a part of a dynamic team in Singapore!

Based in Singapore, the regional hub for Asia Pacific (AP) and top-ranked biopharmaceutical company on The Straits Times and Statista’s list of Best Employers in Singapore for three consecutive years (2020, 2021, 2022).

• Join the premier biopharmaceutical company that has been in Singapore for more than 25 years and in AP for over 60 years.

Our Manufacturing Operations teams are the people that make our products. We work in the manufacturing plants with a “Safety First, Quality Always” mindset striving for continuous improvement. We work in the local plant connected to our global manufacturing network to ensure the highest quality of raw materials, intermediates and finished products.

Primary Responsibilities

Corrective Maintenance

  • Ensure resolution and timely follow-up of identified production equipment and facility related equipment issues, unplanned events, and new opportunities identified by Maintenance team.
  • Provide technical expertise and support the Maintenance Technicians for equipment breakdown, troubleshooting and recovery to ensure the timely and effective resolution of issues.
  • Ensure equipment breakdowns are resolved in a timely manner and update the Preventive Maintenance Plan.
  • Apply effective root cause analysis and troubleshooting Techniques to support the resolution of equipment-related incident and deviation/atypical investigation.

Preventive Maintenance

  • Ensure all planned internal and external Preventive Maintenance (PM) activities are executed and completed
  • Update equipment critical spare part list and set minimum re-order levels
  • Review existing maintenance RAs promptly and to develop new one when necessary

Compliance – Safety

  • Participate in and support the implementation of actions for Incident Investigations and Audits
  • Ensure required risk assessments, including HAZOPS, are carried out in a timely manner, recommendations provided, and implemented as agreed.
  • Ensure permit requirements met IPT maintenance activities.
  • Proactively review and challenge current activities to reduce safety risk for employees and quality risks for company’s products.

Compliance – Quality & Change control

  • Prepare SOPs and Job Aids to ensure compliance with regulatory standards and ensure PM related documents are generated and maintained according to required standards and frequency.
  • Ensure all deviations/atypical and customer complaints are fully investigated with any equipment related actions effectively implemented within the agreed time frame to continually improve processes, prevent waste, and eliminate rework.
  • Ensure all out-of-tolerance equipment findings are appropriately documented and investigated in a timely manner.
  • Support implementation of Equipment change by participating in impact assessments and executing field equipment modifications, including management of project schedules, resource plans, vendor coordination, and material purchases.
  • Prepare and complete IQ, OQ documentation and ensure that documentation meets required regulatory standards.

Equipment reliability

  • Utilize Lean Six Sigma Tools, such as Six Sigma, Kaizen, SMED, and 5S, to support execution of continuous improvement and OE projects intended to increase agility, flow and throughput, and also to reduce cycle time and inventory.
  • Support development of a continuous improvement framework within the maintenance group and works with the Maintenance Lead to identify opportunities.
  • Lead plant improvement processes to enhance availability, reliability, cost-effectiveness and efficiency of the plant.
  • Collect and analyze data and follow up with recommendation to improve equipment’s reliability and reduce equipment failures. Work with COE’s to execute a Reliability-Centered Maintenance (RCM) plan and to share best practices and lessons learned, with objective of improving asset utilization
  • Participate in equipment/system-based Root Cause Failure Analysis (RCFA) investigations and update equipment reliability plans


  • Demonstrate leadership behaviors in alignment with our leadership standards such as a Focus on Customer & Patients, Make Rapid Disciplined Decisions, Act with Courage and Candor, Build Talent, Demonstrate Ethics & Integrity, Drive Result and Foster Collaboration.
  • Ensure both Operational Knowledge and technical Skill to the level required to discharge job responsibilities to consistently high standard
  • Demonstrate the inclusion Behaviors in interactions with others

Education Minimum Requirement:

  • Degree in Mechanical / Mechatronics / Electrical or Instrumentation & Control Engineering.

Required Experience and Skills:

  • Degree in Mechanical / Mechatronics / Electrical or Instrumentation & Control Engineering.
  • 3-5 years of maintenance work experience in chemical, semiconductor, aviation, oil & gas or petrochemical industry.
  • Knowledge and experience working within a Computerized Maintenance Management System (CMMS). Familiarity with SAP is a plus.
  • Knowledge of parts inventory management, mechanical and electrical equipment design reliability principles.
  • Project management skill, including problem-solving, developing and implementing technical solutions.
  • Experience in HVAC and water system operation and maintenance principle

Our Manufacturing & Supply Division is committed to be the most trusted supplier of bio-pharmaceuticals worldwide. Our facilities, along with our external contractors, suppliers, and partners, create an interdependent global manufacturing network that’s committed to delivering a high quality, reliable supply to customers and patients on time, every time.

Who we are …

We are known as Merck & Co., Inc., Rahway, New Jersey, USA in the United States and Canada and MSD everywhere else. For more than a century, we have been inventing for life, bringing forward medicines and vaccines for many of the world's most challenging diseases. Today, our company continues to be at the forefront of research to deliver innovative health solutions and advance the prevention and treatment of diseases that threaten people and animals around the world.

What we look for …

Imagine getting up in the morning for a job as important as helping to save and improve lives around the world. Here, you have that opportunity. You can put your empathy, creativity, digital mastery, or scientific genius to work in collaboration with a diverse group of colleagues who pursue and bring hope to countless people who are battling some of the most challenging diseases of our time. Our team is constantly evolving, so if you are among the intellectually curious, join us—and start making your impact today.

We are proud to be a company that embraces the value of bringing diverse, talented, and committed people together. The fastest way to breakthrough innovation is when diverse ideas come together in an inclusive environment. We encourage our colleagues to respectfully challenge one another’s thinking and approach problems collectively. We are an equal opportunity employer, committed to fostering an inclusive and diverse workplace.


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