Manufacturing and Supply
Where the
miracles of
science are made
a reality for patients
MES Engineer/Specialist
At a glance
Our teams produce and deliver over 4 billion units of medicines and vaccines every year, ensuring every breakthrough gets to the people who need it most.
Our state-of-the-art facilities, AI-powered smart factories, and cutting-edge automation are redefining what’s possible: ensuring treatments reach patients faster, safer, and more sustainably than ever before. This is where your skills, ambition, and passion can shape the future of healthcare.
Overview
Sanofi Manufacturing & Supply is preparing its future through an ambitious program named Modulus. The Modulus Project is at the cornerstone of Sanofi's strategy, aiming to create a new generation of evolutive multi-product facilities that are modular, adaptable, and agile, while leveraging disruptive technologies to better address vaccine and biologics manufacturing challenges.
The MES Specialist / MES Engineer is responsible for supporting the operation, monitoring, maintenance, and continuous improvement of the OpCenter Pharma Manufacturing Execution System (MES) within the Modulus Singapore facility. The role ensures the MES operates reliably and in compliance with GxP, data integrity, and validation requirements, supporting uninterrupted production execution and electronic batch record (EBR) workflows.
Key Responsibilities
MES Operations & Support
- Support the day-to-day operation, monitoring, and maintenance of the OpCenter Pharma MES to ensure system availability, reliability, and performance.
- Ensure the MES functions correctly for production execution and EBR workflows.
- Participate in night call / after-hours support rotations, performing first-level troubleshooting and escalating complex issues as needed.
- Own the MES platform end-to-end, including operations, administration, and configuration, with minimal supervision.
- Prioritize MES incidents and keep the MES Manager and stakeholders informed of downtime and major incidents.
PI Modeling & Master Data Management
- Execute PI changes and master data updates in OpCenter Pharma, following established standards and change control procedures.
- Maintain a well-structured master data environment by applying and enforcing naming conventions, hierarchies, and data governance rules.
- Apply good PI modeling practices (modular, reusable, scalable), flagging and remediating suboptimal or legacy designs.
Investigations, Deviations & Compliance
- Support investigations into MES incidents and deviations, including data gathering, documentation, and root cause analysis.
- Lead MES investigations where required, defining and implementing CAPA in line with GMP requirements.
- Ensure compliance with GxP, data integrity, and validation requirements in all MES configuration and change activities.
Cross-Functional Collaboration & Documentation
- Collaborate with Manufacturing (MFG), Quality Assurance (QA), Smart Factory, and Digital teams to translate business requirements into robust MES solutions.
- Advise MFG and QA on MES data, design, and system usage.
- Contribute to and maintain technical documentation, including SOPs, work instructions, and design specifications, to support audit readiness.
Core Competencies
- Working knowledge of OpCenter Pharma or similar MES platforms, including configuration and administration.
- Understanding of PI modeling concepts and manufacturing execution in a pharmaceutical setting.
- Familiarity with GxP, data integrity, CSV/CSA, and change control principles.
- Strong analytical and troubleshooting skills with a structured problem-solving approach.
- Effective communication, teamwork, and sound escalation judgment.
- SQL or scripting skills are a plus; knowledge of MES integration with SCADA, ERP, PLCs, or Smart Factory/IIoT platforms is an advantage.
Technical & Educational Background
- Bachelor's degree in Engineering, Pharmaceutical, Life Sciences, or a related field (or equivalent experience).
- 1–10 years of experience supporting or administering an MES in a GMP-regulated pharmaceutical, biotech, or similar manufacturing environment.
- Hands-on OpCenter Pharma experience.
- Experience with master data and PI/process definitions within an MES or similar manufacturing IT system.
- Experience in on-call / after-hours production support is a plus.
Job Expectations
- Based in Tuas South, Singapore.
- Participation in night call / after-hours support rotations for MES issues.
- May require operational standby support for critical system breakdowns.
Pursue Progress. Discover Extraordinary.
Join Sanofi and step into a new era of science - where your growth can be just as transformative as the work we do. We invest in you to reach further, think faster, and do what’s never-been-done-before. You’ll help push boundaries, challenge convention, and build smarter solutions that reach the communities we serve. Ready to chase the miracles of science and improve people’s lives? Let’s Pursue Progress and Discover Extraordinary – together.
At Sanofi, we provide equal opportunities to all regardless of race, color, ancestry, religion, sex, national origin, sexual orientation, age, citizenship, marital status, disability, gender identity, protected veteran status or other characteristics protected by law.
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Why work with us
- We’re problem-solvers and pioneers. United by the belief that everyone deserves a healthier future. We create best-in-class vaccines that prevent disease and protect lives.
- Innovation drives us. From AI and mRNA to next-gen science, we push the boundaries to deliver first- and best-in-class vaccines for infectious diseases worldwide.
- Growth happens here. With bold investments in R&D and world-class facilities, Sanofians across the entire vaccine lifecycle are shaping the future of global health.
- We do what’s right. Sustainability and DE&I drive our positive global impact—because the diverse communities Sanofians represent are the patients we serve.
All-in on diversity
At Sanofi, diverse perspectives fuel the best solutions for patients. Hear from Monique Vessey, our Supply Chain Transformation Leader, on how her background shapes her approach to delivering life-changing medicines.
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