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Senior Process Development Engineer Jobs in St Louis, MO

Senior Process Engineer (REQ865)

Saint Louis, MO ยท Remote

$106K - $137K/yr

Senior Process Engineer Maryland Heights, MO Spartech offers a competitive salary, incentives, and ... Safety leadership and culture development Benefits We offer competitive salary, incentives, and ...

Senior Process Engineer (REQ865)

Saint Louis, MO ยท On-site +1

$98K - $127K/yr

Senior Process Engineer Maryland Heights, MO Spartech offers a competitive salary, incentives, and ... Safety leadership and culture development Benefits We offer competitive salary, incentives, and ...

Senior Process Engineer (REQ865)

Maryland Heights, MO ยท On-site

$100K - $130K/yr

Senior Process Engineer Maryland Heights, MO Spartech offers a competitive salary, incentives, and ... Safety leadership and culture development Benefits We offer competitive salary, incentives, and ...

Senior Process Engineer - Liquid Systems

Saint Louis, MO ยท On-site

$101K - $130K/yr

We are seeking a Senior Process Engineer with deep expertise in liquid processing systems within ... Lead the design and development of liquid processing systems for food and beverage manufacturing ...

Senior Process Designer

Saint Louis, MO ยท On-site

$95K - $102K/yr

... service, turnkey real estate development, master planning, architecture, engineering, and ... Senior Process Designers play a pivotal role in ensuring project success through technical ...

Senior Process Designer

Saint Louis, MO

$95K - $102K/yr

... service, turnkey real estate development, master planning, architecture, engineering, and ... Senior Process Designers play a pivotal role in ensuring project success through technical ...

Senior Process Designer

Saint Louis, MO

$95K - $102K/yr

... service, turnkey real estate development, master planning, architecture, engineering, and ... Senior Process Designers play a pivotal role in ensuring project success through technical ...

Senior Process Designer

Saint Louis, MO ยท On-site

$95K - $102K/yr

... service, turnkey real estate development, master planning, architecture, engineering, and ... Senior Process Designers play a pivotal role in ensuring project success through technical ...

Senior Process Designer

Saint Louis, MO ยท On-site

$95K - $102K/yr

... service, turnkey real estate development, master planning, architecture, engineering, and ... Senior Process Designers play a pivotal role in ensuring project success through technical ...

Senior Process Designer

Saint Louis, MO

$95K - $102K/yr

... service, turnkey real estate development, master planning, architecture, engineering, and ... Senior Process Designers play a pivotal role in ensuring project success through technical ...

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Showing results 1-20

Senior Process Development Engineer information

See St Louis, MO salary details

$72.9K

$117.8K

$165.8K

How much do senior process development engineer jobs pay per year?

As of Aug 21, 2026, the average yearly pay for senior process development engineer in St. Louis, MO is $117,752.00, according to ZipRecruiter salary data. Most workers in this role earn between $101,100.00 and $130,800.00 per year, depending on experience, location, and employer.

What does a senior process development engineer do?

A Senior Process Development Engineer is responsible for designing, developing, and optimizing manufacturing processes to improve efficiency, quality, and cost-effectiveness. They often lead teams in scaling up processes from the laboratory to full production, troubleshoot technical issues, and implement new technologies or methods. Additionally, they collaborate with cross-functional teams, including R&D, quality assurance, and production, to ensure processes meet regulatory and safety standards. Their expertise helps companies maintain competitive advantages and meet production goals.

What are the key skills and qualifications needed to thrive as a senior process development engineer?

To thrive as a Senior Process Development Engineer, you need a strong background in chemical or mechanical engineering, process optimization, and project management, typically supported by a relevant engineering degree. Familiarity with CAD software, process simulation tools (such as Aspen Plus or MATLAB), and Six Sigma or Lean Manufacturing certifications is often required. Excellent problem-solving, leadership, and communication skills help you coordinate cross-functional teams and drive continuous improvement. These skills are crucial for developing efficient, scalable processes that meet quality standards and business goals.

What are some common challenges a senior process development engineer may face when scaling up a new process from the lab to full production?

Senior Process Development Engineers often encounter challenges such as maintaining product quality and consistency when transitioning from small-scale laboratory experiments to large-scale manufacturing. This process typically involves troubleshooting equipment limitations, optimizing process parameters, and ensuring compliance with safety and regulatory standards. Effective collaboration with cross-functional teams, such as R&D, manufacturing, and quality assurance, is crucial to address these challenges and achieve a smooth scale-up. Adaptability and problem-solving skills are essential to navigate unexpected issues that may arise during this transition.

What is the difference between Senior Process Development Engineer vs Process Engineer?

AspectSenior Process Development EngineerProcess Engineer
CredentialsBachelor's or Master's in Chemical, Mechanical, or Industrial Engineering; experience in process developmentBachelor's degree in Engineering or related field; entry to mid-level experience
Work EnvironmentResearch and development labs, manufacturing facilities, cross-functional teamsManufacturing plants, production lines, process optimization teams
Industry UsagePharmaceuticals, chemicals, biotech, manufacturingManufacturing, chemical processing, consumer goods

The main difference is that Senior Process Development Engineers focus on developing and optimizing new processes, often in R&D settings, while Process Engineers typically oversee existing manufacturing processes to improve efficiency and quality. Senior roles involve more strategic planning and innovation, whereas Process Engineers focus on day-to-day process operations.

What are popular job titles related to Senior Process Development Engineer jobs in St. Louis, MO?

For Senior Process Development Engineer jobs in St. Louis, MO, the most frequently searched job titles are:

What job categories do people searching Senior Process Development Engineer jobs in St. Louis, MO look for?

The top searched job categories for Senior Process Development Engineer jobs in St. Louis, MO are:

Infographic showing various Senior Process Development Engineer job openings in St. Louis, MO as of August 2026, with employment types broken down into 1% As Needed, 81% Full Time, 15% Part Time, and 3% Contract. Highlights an 91% Physical, 3% Hybrid, and 6% Remote job distribution, with an average salary of $117,752 per year, or $56.6 per hour.

Senior Process Manufacturing Engineer

American Sterilizer Company (US)

Saint Louis, MO โ€ข On-site

$101K - $130K/yr

Full-time

Medical, Dental, Vision, Retirement, PTO

Re-posted 18 days ago


Job description

Position Summary

The Senior Process Manufacturing Engineer in our St. Louis, MO location is responsible for establishing themanufacturing process capability for new/reformulated products. In this role you will support the execution ofequipment qualification, cleaning, and process validation program. Prepare and revise batch records, operatinginstructions, and cleaning instructions. Conduct process improvement studies in the areas of operationalproductivity, process control, quality processing, employee safety, process yield improvement, and environmentalimpact in a lean environment. Test new technologies, processes, controls or prototype equipment and supportimplementation as appropriate to optimize liquid blending systems. Provide indirect supervision of technicians,interns and operators as required. Develop P&ID's in support of validation efforts. Develop design of experiment(DOE) for the purpose of scale-up, troubleshooting and modifications of new and existing processes.


This position requires that you work onsite Monday through Friday during core business hours in our St. Louis, MO location.

What You'll do as a Senior Process Manufacturing Engineer
  • Support the execution of protocols to comply with FDA and cGMP requirements for equipment qualification,cleaning and process validations.
  • Responsible for the development of lean culture and institution of lean principles.
  • Develop plans, design experiments, and schedules for establishing manufacturing process capability andintroduction of new/reformulated products.
  • Interface with Product Development and Production to bring these processes from the research laboratorythrough scale-up full-scale manufacturing.
  • Responsible for research and testing of new technologies or processes appropriate for support ofnew/existing product manufacture.
  • Establish and maintain set point controls.
  • Support Project Engineering to obtain approval for Capital Appropriation Requests, design specifications andequipment installation.
  • Provide personnel training, development of manufacturing instructions and start-up of newprocesses/equipment.
  • Responsible for conducting process studies, identifying opportunities for improvement and supportingimplementation of findings to optimize liquid blending systems.
  • Resolve manufacturing deficiencies through troubleshooting and implementation of corrective actions.
  • Develop and submit written reports including objective, experimental, compilation of data, engineeringanalysis, conclusions and recommendations.
  • Monitor and provide solutions in terms of quality, yields, throughput, cycle times, process parameters, cGMPcompliance, and safety and environmental requirements.
  • Apply structured, technical problem-solving methodologies such as DMAIC, six sigma green belt/black beltstatistical analysis, etc. to confirm root causes of problems.
  • Implement corrective and preventative actions to solve root causes and prevent recurrence, reduce variation,and drive improvement in quality and other key KPI's.
  • Serve as Subject Matter Expert (SME) providing deep technical insights into operations processes, includingchemical and biological formulation, filling, packaging, and quality operations.
  • Employ key project management principles including establishing and tracking timelines, identifying andmitigating risks, communicating across teams at all levels.
The Experience, Skills and Abilities Needed

Required:

  • Bachelors degree in Engineering.
  • Minimum five (5) years in process engineering or equivalent.
  • Background in biochemical or chemical engineering, or microbiology.
  • Project leadership skills, technical skills, and organization skills required.
  • Experience with FDA, and GMP regulated operations, such as Medical Devices or PharmaceuticalManufacturing.
  • Good communication skills and interpersonal skills.
  • Proven proficiency in facilitating problem solving and other team-based root cause analysis (RCA).
  • Ability to generate detailed, high quality technical documentation to capture and communicate designs.
  • Ability to influence team members to perform at exceptional levels.

Preferred:

  • Lean Six Sigma certification such as Green Belt or Black Belt, preferred.
What STERIS Offers

We value our employees and are committed to providing a comprehensive benefits package that supports yourhealth, well-being, and financial future.

Here is just a brief overview of what we offer:

  • Market Competitive pay
  • Extensive Paid Time Off and added Holidays
  • Excellent Healthcare, Dental and Vision benefits
  • Long- and Short-Term Disability coverage
  • 401(k) with a company match
  • Maternity and Paternity Leave
  • Additional add- on benefits / discounts for programs such as Pet Insurance
  • Tuition Reimbursement and continuing education programs
  • Excellent opportunities for advancement in a stable long-term career

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Employment Type: FULL_TIME