Sr Maintenance Mechanic

Mallinckrodt Enterprises LLC

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Webster Groves (Pharma) - USA038 Until 8/21/2026 5+ years exp First posted April 9, 2026 Last posted April 9, 2026
Job description

Why Us?

At Par Health, we believe great healthcare is built on getting the essentials right. We’re looking for passionate, talented individuals who share our commitment to improving lives. With a global workforce, we lead with pride and purpose—prioritizing quality and safety while fostering a culture of continuous improvement, accountability, and teamwork. Elevating the Essentials isn’t just our tagline, it’s the higher standard we live by every day.

Job Description Summary

The responsibilities of this position include maintenance, repair and installation of a wide variety of building and mechanical, piping and electrical systems associated with office, laboratory and pilot-scale dosage drug product development within the Research and Development department at our location located in Webster Groves, MO. This position will handle preventative maintenance and work orders for equipment repairs, general facility work and equipment improvement as needed. The position focuses on a general knowledge of mechanics, plumbing and electricity to allow support of the building operations in facility, mechanical and electrical aspects including trouble shooting and maintenance planning for improvements, PM’s and scheduled repairs

Job Description

SUMMARY OF POSITION:

The responsibilities of this position include maintenance, repair and installation of a wide variety of building and mechanical, piping and electrical systems associated with office, laboratory and pilot-scale dosage drug product development within the Research and Development department at our location located in Webster Groves, MO.  This position will handle preventative maintenance and work orders for equipment repairs, general facility work and equipment improvement as needed. The position focuses on a general knowledge of mechanics, plumbing and electricity to allow support of the building operations in facility, mechanical and electrical aspects including trouble shooting and maintenance planning for improvements, PM’s and scheduled repairs.

ESSENTIAL FUNCTIONS:

  • Troubleshoot HVAC systems, gas fired and electric boilers, chillers, cooling towers, USP and deionized water systems, compressed air systems, HVAC controls, and building automation systems.
  • Maintaining instrumentation, electrical controls, motor controls and PLC’s.
  • Familiarity with National Electric Code, electrical schematics and electrical troubleshooting.
  • Troubleshoot a wide variety of building, mechanical, electrical and piping systems.
  • Perform preventative maintenance on the identified systems including utilizing Maximo, a computer based maintenance program to document the completion of the preventive maintenance as well as additional work orders.
  • Support capital project executions including design comments to ensure fitness for use.  Schedule and direct the activities of outside contractors.  Knowledgeable of construction methods and construction management.
  • Adherence to safety and compliance standards including compliance to plant training programs, environmental rules, security requirements and safety procedures (electrical, LOTO, and others).

DEPARTMENT SPECIFIC/NON-ESSENTIAL FUNCTIONS:

Other duties as assigned with or without accommodation.

MINIMUM REQUIREMENTS:

Education required/ preferred:

High School Diploma or equivalent

Vocational School Certification

Experience:

5 years hands on maintenance experience as a facilities or lab maintenance.

Experience and knowledge of cGMP requirements associated with the research and development to oral dose pharmaceuticals as well as good laboratory practices.

Preferred Skills/Qualifications:

Working knowledge in Microsoft Word, Excel and Outlook.

Excellent verbal and written communication skills

Knowledge of construction methods and construction management

Universal Certification for CFC’s (chlorofluorocarbons). 

Knowledgeable of the state and federal laws governing industrial gases.

Ability to read and interpret architectural, mechanical, architectural, and machine schematic drawings.

Ability to work off shifts, nights and weekends as required.

Skills/Competencies:

Excellent interpersonal skills

Ability to interact effectively with various personalities at all levels.

Ability to make decisions on the fly with minimal information

ORGANIZATIONAL RELATIONSHIPS/SCOPE:

  • Position reports the Maintenance Supervisor at Webster Groves
  • Internal contacts include all levels of the organization from lab worker to VP’s.
  • External contacts include contractors from all different trades, equipment vendors and service providers.

WORKING CONDITIONS:

Working conditions range from normal equipment maintenance to working in a clean cGMP environment.

Ability to wear a Powered Air Purifying Respirator (PAPR)

Flexible work schedule required

DISCLAIMER:

The above statements are intended to describe the general nature and level of work being performed by employees assigned to this classification.  They are not intended to be construed as an exhaustive list of all responsibilities, duties and skills required of employees assigned to this position.

EEO Statement:

We comply with all applicable federal, state, and local laws prohibiting discrimination and harassment, and provides equal employment opportunities (EEO) to all employees and applicants for employment without regard to race, color, religion, gender, sexual orientation, gender identity, national origin, age, disability, veteran status, or genetic information, or any other classification protected by federal, state or local law. This policy applies to all terms and conditions of employment, including recruiting, hiring, placement, promotion, termination, layoff, recall, transfer, leaves of absence, compensation and training. 

About this role

Summary

Perform maintenance, repair, and installation of building, mechanical, electrical systems in R&D facility.

Job title

Sr Maintenance Mechanic

Experience level

5+ years

Minimum experience

5+ years exp

Industry

pharma

Location requirements

On-site in Webster Groves, MO, with flexible shifts

Salary

Not specified

Management role

No

Skills & keywords

Required skills

maintenancetroubleshootingHVACelectrical schematicspreventive maintenance

Preferred skills

Microsoft WordExcelOutlookconstruction managementCFC certification

Specializations

mechanicsplumbingelectricalHVACPLC
Locations

Structured locations inferred from the posting.

Webster Groves, MO, USA

On-site City