Senior GMP Maintenance Technician – Critical Pharma Systems

ThermoFisher Scientific; St. Louis (MO); On-site; USD 80,000 - 105,000; Full time

Job summary

Thermo Fisher Scientific in St. Louis is seeking a Senior Maintenance Technician to support critical manufacturing operations in a GMP environment. You will maintain and optimize facility systems including HVAC, water purification, compressed gases, and specialized equipment, troubleshooting and performing preventive maintenance.

You will collaborate with engineers and production teams to ensure regulatory compliance, mentor colleagues, and drive continuous improvement while adhering to safety.

Qualifications

• High school diploma or GED required.
• 2-3 years maintenance in pharmaceutical/medical device GMP environment required.
• 4+ years maintenance in pharmaceutical/medical device GMP environment preferred.
• Experience with electrical/electronic troubleshooting including PLCs.
• Experience with Building Management Systems (BMS) and CMMS software.
• Strong mechanical, hydraulic and pneumatic troubleshooting skills.
• Proficiency with preventive/corrective maintenance procedures and documentation.
• Excellent problem-solving and communication abilities.
• Ability to lift up to 50-70 lbs and work rotating shifts.

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 operation.
• Complete maintenance work orders and documentation in SAP CMMS.
• Follow cGMP, safety, environmental, quality and site procedures.
• Collaborate with Operations, Engineering, Quality to minimize downtime.
• Identify recurring issues and contribute to root cause analysis and improvements.
• Provide technical guidance to technicians, contractors, and service providers.
• Maintain tools, parts, and work areas in inspection-ready condition.
• Communicate equipment risks and follow-up actions effectively.

Skills

Electrical troubleshooting

Mechanical systems

Pneumatic systems

Hydraulic systems

PLC controls

Education

Highschool diploma or GED

Tools

SAP CMMS

BMS knowledge

Windows OS

Job description

Thermo Fisher Scientific in St. Louis is seeking a Senior Maintenance Technician to support critical manufacturing operations in a GMP environment. You will maintain and optimize facility systems including HVAC, water purification, compressed gases, and specialized equipment, troubleshooting and performing preventive maintenance.

You will collaborate with engineers and production teams to ensure regulatory compliance, mentor colleagues, and drive continuous improvement while adhering to safety.