Sr. Maintenance Technician - 1st Shift - Rotating Days

Thermo Fisher; St. Louis (MO); On-site; USD 65,000 - 95,000; Full time

Job summary

Thermo Fisher Scientific in St. Louis is seeking a Senior Maintenance Technician to maintain and optimize critical GMP facilities and equipment.

You will troubleshoot, repair and perform preventive maintenance on HVAC, water purification, compressed gases, and manufacturing equipment within a fast-paced, safety‑driven environment. You will mentor colleagues and collaborate with engineers and operations teams to ensure regulatory compliance.

Qualifications

• Highschool diploma or GED required.
• 2–3 years of maintenance experience in a pharmaceutical/medical device GMP environment is required.
• 4+ years maintenance experience in GMP environment preferred.
• Strong electrical/electronic troubleshooting including PLCs.
• Experience with Building Management Systems (BMS) and CMMS software.
• Proficient in preventive/corrective maintenance procedures and documentation.
• Excellent problem-solving, analytical and communication skills.
• Ability to lift up to 50–70 lbs and work rotating shifts, weekends, and on-call.

Responsibilities

• Perform preventive, corrective, and emergency maintenance on process and facility equipment.
• Troubleshoot and repair mechanical, electrical, instrumentation, pneumatic, hydraulic, and automated systems.
• Diagnose equipment failures and identify root causes to restore safe operation.
• Complete maintenance work orders and documentation in SAP CMMS accurately.
• Follow cGMP, safety, environmental, quality, and site procedures.
• Collaborate with Operations, Engineering, and Quality to minimize downtime and maintain readiness.
• Identify recurring issues and contribute to root cause analysis and OEE improvements.
• Provide technical guidance to technicians, contractors, and service providers.

Skills

Electrical troubleshooting

PLC systems

BMS experience

CMMS experience

Mechanical systems

Hydraulic systems

Pneumatic systems

Preventive maintenance

Documentation

Problem-solving

Hazardous materials safety

Communication skills

Windows systems

Education

Highschool diploma or GED

Maintenance certification

Tools

BMS

CMMS

SAP CMMS

Job description

Work Schedule

Other

Environmental Conditions

Able to lift 40 lbs. without assistance, Adherence to all Good Manufacturing Practices (GMP) Safety Standards, Cleanroom: no hair products, jewelry, makeup, nail polish, perfume, exposed piercings, facial hair etc... allowed, Loud Noises (Equipment/Machinery), Some degree of PPE (Personal Protective Equipment) required (safety glasses, gowning, gloves, lab coat, ear plugs etc.), Strong Odors (chemical, lubricants, biological products etc.), Working at heights

Job Description

As part of the Thermo Fisher Scientific team, you'll discover meaningful work that makes a positive impact on a global scale. Join our colleagues in bringing our Mission to life every single day to enable our customers to make the world healthier, cleaner and safer. We provide our global teams with the resources needed to achieve individual career goals while helping to take science a step beyond by developing solutions for some of the world's toughest challenges, like protecting the environment, making sure our food is safe or helping find cures for cancer.

At Thermo Fisher Scientific's St. Louis site, we move with urgency because what we do matters. Every day, our teams are helping turn breakthrough science into biologic medicines for patients around the world-and behind every batch, every decision and every challenge we solve is a patient waiting for what we make. This is a fast-paced, high-energy environment where science, technology and talented people come together to do extraordinary work. Whether you're in manufacturing, quality, engineering, the lab or a support function, you are part of the mission. Your expertise matters. Your ideas matter. Your ability to move quickly, solve problems and deliver matters.

DESCRIPTION

Join our team as a Senior Maintenance Technician and make a meaningful impact in supporting critical manufacturing operations. In this role, you'll be responsible for maintaining and optimizing sophisticated facility systems and equipment in a GMP environment. You'll troubleshoot, repair, and perform preventive maintenance on critical systems including HVAC, water purification, compressed gases, and specialized manufacturing equipment. This position offers the opportunity to apply your technical expertise while contributing to our mission of enabling customers to make the world healthier, cleaner and safer. You'll work collaboratively with engineers and manufacturing teams to ensure optimal equipment performance and regulatory compliance, while having opportunities to mentor colleagues and drive continuous improvement initiatives.

Key Responsibilities

• Perform preventive, corrective, and emergency maintenance on process, and facility equipment.
• Troubleshoot and repair mechanical, electrical, instrumentation, pneumatic, hydraulic, and automated systems.
• Diagnose equipment failures, identify root causes, and restore equipment to safe and reliable operation.
• Complete maintenance work orders and documentation accurately in SAP CMMS system.
• Follow cGMP, safety, environmental, quality, and site procedures when performing all maintenance activities.
• Partner with Operations, Engineering, Quality, and other site functions to minimize downtime and maintain manufacturing readiness.
• Identify recurring equipment issues and contribute to root cause analysis, preventive maintenance optimization, and continuous improvement efforts.
• Provide technical support and guidance to other technicians, contractors, and service providers as needed.
• Maintain tools, parts, and work areas in a safe, organized, and inspection-ready condition.
• Communicate equipment risks, deficiencies, and follow-up actions in a timely and effective manner.
• Perform additional duties as assigned based on site and business needs.

REQUIREMENTS

• Education: Highschool diploma or GED is required
• Minimum 2-3 years maintenance experience in pharmaceutical/medical device GMP environment, required
• Minimum 4 years maintenance experience in pharmaceutical/medical device GMP environment, preferred
• Preferred Fields of Study: Technical
• Facilities/Maintenance certification or trade certification preferred
• Strong electrical/electronic troubleshooting skills including PLC systems and controls
• Experience with Building Management Systems (BMS) and computerized maintenance management systems
• Demonstrated proficiency in mechanical, hydraulic, and pneumatic systems
• Proficiency in preventive/corrective maintenance procedures and documentation
• Strong problem-solving and analytical skills
• Experience with hazardous materials handling and safety procedures
• Excellent written and verbal communication abilities
• Proficiency with Windows-based computer systems
• Physical ability to lift up to 50-70 lbs
• Flexibility to work rotating shifts, weekends, and participate in on-call rotation
• Self-motivated with ability to work independently while collaborating effectively with teams
• Strong commitment to safety protocols and procedures
• Experience mentoring and training others preferred

Compensation & Benefits

We offer competitive compensation and a comprehensive Total Rewards package designed to support your health, wellbeing, financial security and life outside of work. Benefits include medical, dental and vision coverage, retirement and savings programs, paid time off, wellbeing resources, business resource groups, career development opportunities and additional programs to support you and your family.

Compensation will be determined based on factors including experience, skills, education, internal equity, geographic location and other job-related considerations.

Because when you're helping us deliver for patients, we want to help you thrive-at work and beyond.

Equal Employment Opportunity

Join Thermo Fisher Scientific and be part of our ambitious team that strives for excellence in everything we do. We are an equal opportunity employer, committed to fostering an inclusive and diverse workforce. We value the unique perspectives and contributions of all individuals and actively encourage candidates from all backgrounds to apply.