
Manufacturing and Supply
Where the
miracles of
science are made
a reality for patients
Maintenance Line Mechanic
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.
Job Title: Maintenance Line Mechanic
Location: Ridgefield, NJ
About the Job
We deliver 4.3 billion healthcare solutions to people every year, thanks to the flawless planning and meticulous eye for detail of our Manufacturing & Supply teams. With your talent and ambition, we can do even more to protect people from infectious diseases and bring hope to patients and their families.
Responsible for ensuring the efficient operation and maintenance of pharmaceutical production line equipment and machinery. Summary of responsibilities include machine change over, troubleshooting, repairing, performing corrective and preventive maintenance on formulation, filling, and packaging equipment. Candidate must ensure compliance with SOPs, regulatory guidelines, including Good Manufacturing Practices (cGMPs) and Occupational Safety and Health Administration (OSHA) standards.
We are an innovative global healthcare company with one purpose: to chase the miracles of science to improve people’s lives. We’re also a company where you can flourish and grow your career, with countless opportunities to explore, make connections with people, and stretch the limits of what you thought was possible. Ready to get started?
Main Responsibilities
Troubleshoot and repair issues on pharmaceutical packaging and filling equipment to ensure reliable operation.
Pull maintenance work orders from Computer Maintenance Management System (CMMS) and accurately document work performed in CMMS or on batch documentation
Perform preventative maintenance on equipment to clean, lubricate, replace worn parts, and inspect equipment to reduce breakdowns.
Perform corrective maintenance on equipment and facilities as directed by the CMMS and supervisor.
Coordinate closely with production and planning team to perform equipment changeovers between different products or batches.
Supervise external equipment technician during shutdown preventive maintenance work.
Comply with company policies, SOPs, cGMP and OSHA requirements.
Ability to communicate and work closely with peers and other departments.
Demonstrate good organizational, written, and oral communications skills.
Participate in deviation and root cause investigations as required.
Open to shift work including overtime, nights, weekend, and holiday to support production.
Complete all required training related to technical, compliance, and safety.
HSE
It is required that individuals care for their own safety and wellbeing. Individuals must promote a safe working environment for employees and contractors working in their area of responsibility.
The individual must support all Sanofi and site HSE policies as well as ensure that work performed is compliant with local HSE regulations.
Individuals must complete all required HSE trainings. Everyone is required to report all accidents and incidents and support investigations in their areas of responsibility.
Physical demands include lifting up to 50 lbs, climbing ladders, standing for extended periods, working in confined space, with protective equipment.
About You
Education/Experience
High School diploma, GED, or certification in industrial maintenance
Minimum of 5 years industry experience performing maintenance on pharmaceutical, food, or regulated manufacturing facility, 10+ years of experience preferred
Understand FDA regulations and cGMP requirements
Experience with aseptic gowning or gown qualified
Proficient computer skills utilizing MS Office suite applications, Building Management Systems, Distributed Control Systems (DCS), SCADA, and Computerized Maintenance Management Systems (CMMS)
Experience using hand tools, portable power tools, and shop tools to fix and machine parts
Why Choose Us?
Bring the miracles of science to life alongside a supportive, future-focused team.
Discover endless opportunities to grow your talent and drive your career, whether it’s through a promotion or lateral move, at home or internationally.
Enjoy a thoughtful, well-crafted rewards package that recognizes your contribution and amplifies your impact.
Take good care of yourself and your family, with a wide range of health and wellbeing benefits including high-quality healthcare, prevention and wellness programs and at least 14 weeks’ gender-neutral parental leave.
Sanofi Inc. and its U.S. affiliates are Equal Opportunity and Affirmative Action employers committed to a culturally diverse workforce. All qualified applicants will receive consideration for employment without regard to race; color; creed; religion; national origin; age; ancestry; nationality; marital, domestic partnership or civil union status; sex, gender, gender identity or expression; affectional or sexual orientation; disability; veteran or military status or liability for military status; domestic violence victim status; atypical cellular or blood trait; genetic information (including the refusal to submit to genetic testing) or any other characteristic protected by law.
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All compensation will be determined commensurate with demonstrated experience. Employees may be eligible to participate in Company employee benefit programs, and additional benefits information can be found here.
Pursue Progress. Discover Extraordinary.
Progress doesn’t happen without people – people from different backgrounds, in different locations, doing different roles, all united by one thing: a desire to make miracles happen. You can be one of those people. Chasing change, embracing new ideas and exploring all the opportunities we have to offer. Let’s pursue progress. And let’s 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, or gender identity.
Watch 'One day at Sanofi' and check out our Diversity Equity and Inclusion initiatives at sanofi.com
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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.

"Manufacturing and Supply is the bridge between the science that happens in research laboratories and the people and communities we serve."

Brendan O’Callaghan
Executive Vice President of Manufacturing and Supply
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