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Senior Chemical Process Engineer

Mallinckrodt Pharmaceuticals
United States, Missouri, St. Louis
Sep 23, 2025

Job Title

Senior Chemical Process Engineer

Requisition

JR000015298 Senior Chemical Process Engineer (Open)

Location

St. Louis, MO

Additional Locations

Job Description Summary

The Senior Chemical Process Engineer is the recognized technical leader for chemical manufacturing processes and for the improvement of existing chemical processes. Consistently look for ways to improve overall customer satisfaction through improved manufacturing efficiencies. Serve as main point of contact for chemical manufacturing processes in their area in regards to safety, quality, and continuous improvement activities.

Job Description

ESSENTIAL FUNCTIONS:

  • Provide technical support and work with internal and external resources to implement and validate new processes to the site.
  • Identifies equipment needs/changes for new chemical processes
  • Works with internal and external resources to implement and validate new processes
  • Identifies and implements improvements to existing chemical processes using continuous improvement tools
  • Ensures that processes comply with all cGMP regulations in regards to process and cleaning validation
  • Completes exception investigations and implements effective corrective and preventative actions to prevent recurrence.
  • Interact with R&D, Plant Engineering, and Corporate Engineering experts to develop simulation models of existing active pharmaceutical ingredient (API) processes.
  • Use Process Simulation to debottleneck existing API processes and increase capacity.
  • Use Process Simulation to transfer processes and determine unit operation equivalency between operating units or buildings.
  • Maintain all process flow diagrams, material balances, and energy balances for their processes.
  • Work with plant safety to maintain process specific safety information.
  • Work with plant environmental to maintain process specific environmental information.
  • Work with plant logistics and planning to simulate scheduling capabilities for complex operating scenarios.
  • Work with Plant and Corporate Engineering to develop scopes of work for process improvement and plant expansion projects.
  • Support Customer and Regulatory agency audits as subject matter experts for assigned processes.
  • Perform other duties as assigned.

MINIMUM REQUIREMENT

Education: B.S Chemical Engineering or related field.

Experience: Minimum of 5-8 years of experience in chemical processing engineering

Skills/Qualifications

  • Strong knowledge of chemistry, physics, and engineering principles.
  • Experience with equipment design and construction for API's
  • Experience with continuous processing principles preferred
  • Experience with a wide variety of unit operations and both batch and continuous processes.
  • Strong knowledge of the physical side of chemical process engineering including P&ID, General Arrangement, and process piping drawings review.
  • Ability to plan, direct and execute multiple projects simultaneously.
  • Ability to effectively communicate with all levels of the organization, from operations to senior management, both oral and written format.

Other Skills

  • Strong working knowledge of MS Office
  • Knowledge of cGMP and PSM regulations
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