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Process Engineer Jobs in Florissant, MO (NOW HIRING)

Senior Process Engineer (REQ865)

Saint Louis, MO · Remote

$106K - $137K/yr

Senior Process Engineer Maryland Heights, MO Spartech offers a competitive salary, incentives, and benefit programs! Spartech, LLC, headquartered in Maryland Heights, Missouri, has over a dozen ...

Process Lead Engineer

Saint Louis, MO · On-site

$96K - $125K/yr

The Process Engineer works closely with clients, process architects, utilities engineers, mechanical engineers, and construction teams to translate manufacturing processes into clear, coordinated ...

Senior Process Engineer (REQ865)

Saint Louis, MO · On-site +1

$98K - $127K/yr

Senior Process Engineer Maryland Heights, MO Spartech offers a competitive salary, incentives, and benefit programs! Spartech, LLC, headquartered in Maryland Heights, Missouri, has over a dozen ...

Process Lead Engineer

Saint Louis, MO · On-site

$96K - $125K/yr

The Process Engineer works closely with clients, process architects, utilities engineers, mechanical engineers, and construction teams to translate manufacturing processes into clear, coordinated ...

Process Lead Engineer

Saint Louis, MO · On-site

$96K - $125K/yr

The Process Engineer works closely with clients, process architects, utilities engineers, mechanical engineers, and construction teams to translate manufacturing processes into clear, coordinated ...

Process Lead Engineer

Saint Louis, MO · On-site

$96K - $125K/yr

The Process Engineer works closely with clients, process architects, utilities engineers, mechanical engineers, and construction teams to translate manufacturing processes into clear, coordinated ...

Process Lead Engineer

Saint Louis, MO

$96K - $125K/yr

The Process Engineer works closely with clients, process architects, utilities engineers, mechanical engineers, and construction teams to translate manufacturing processes into clear, coordinated ...

Process Lead Engineer

Saint Louis, MO

$96K - $125K/yr

The Process Engineer works closely with clients, process architects, utilities engineers, mechanical engineers, and construction teams to translate manufacturing processes into clear, coordinated ...

Senior Process Engineer - Liquid Systems

Saint Louis, MO · On-site

$101K - $130K/yr

We are seeking a Senior Process Engineer with deep expertise in liquid processing systems within the food and beverage industry . This role will lead the design and execution of process systems for ...

Works closely with Controls engineers for design of new or improved control process. Interacts with other departments such as quality, PD, Maintenance, and Manufacturing. Provides support and ...

Works closely with Controls engineers for design of new or improved control process. Interacts with other departments such as quality, PD, Maintenance, and Manufacturing. Provides support and ...

Showing results 21-40

Process Engineer information

See Florissant, MO salary details

$45.7K

$84.9K

$131.4K

How much do process engineer jobs pay per year?

As of Aug 12, 2026, the average yearly pay for process engineer in Florissant, MO is $84,864.00, according to ZipRecruiter salary data. Most workers in this role earn between $68,700.00 and $95,000.00 per year, depending on experience, location, and employer.

What is the work of a process engineer?

A process engineer designs, develops, and optimizes manufacturing processes to improve efficiency, quality, and safety. They analyze production workflows, troubleshoot issues, and implement improvements using tools like process flow diagrams and statistical analysis. Strong problem-solving skills and knowledge of industry standards are essential for this role.

What are some common challenges process engineers face when implementing process improvements, and how can they overcome them?

Process Engineers often encounter challenges such as resistance to change from team members, integrating new technologies with existing systems, and ensuring process changes meet regulatory standards. Overcoming these obstacles typically involves clear communication, involving stakeholders early in the process, thorough documentation, and piloting changes before full-scale implementation. Building strong cross-functional relationships and continuously gathering feedback also help ensure that improvements are effective and sustainable.

What is a process engineer?

Process Engineers are professionals who design, implement, and optimize industrial processes to improve efficiency, quality, and safety in manufacturing or production environments. They analyze workflows, troubleshoot process issues, and develop solutions to enhance productivity and reduce costs. Process Engineers often work in industries such as chemicals, pharmaceuticals, food and beverage, and energy, ensuring processes are compliant with environmental and safety regulations. Their work is vital for maintaining smooth operations and achieving organizational goals.

What jobs do process engineers do?

Process engineers design, develop, and optimize manufacturing processes to improve efficiency, safety, and quality. They analyze production data, troubleshoot issues, and implement process improvements using tools like process flow diagrams and statistical analysis. Their work often involves collaboration with production teams and requires knowledge of engineering principles and industry standards.

What are the key skills and qualifications needed to thrive as a process engineer, and why are they important?

To thrive as a Process Engineer, you need a solid background in chemical, mechanical, or industrial engineering, often supported by a relevant bachelor's degree and understanding of process optimization principles. Familiarity with process simulation software (such as Aspen Plus or AutoCAD), Six Sigma methodologies, and quality management systems is typically required. Strong analytical thinking, problem-solving abilities, and effective communication skills set candidates apart in this role. These skills and qualifications are essential to improve efficiency, ensure safety, and drive continuous improvement in industrial and manufacturing processes.

What is the difference between Process Engineer vs Manufacturing Engineer?

AspectProcess EngineerManufacturing Engineer
CredentialsBachelor's in Engineering, certifications like Six SigmaBachelor's in Engineering, certifications like Lean Manufacturing
Work EnvironmentDesigning and optimizing processes, R&D settingsOverseeing production lines, factory floors
Industry UsageManufacturing, chemical, aerospaceAutomotive, electronics, consumer goods

Process Engineers focus on designing and improving manufacturing processes, often working in R&D or engineering departments. Manufacturing Engineers concentrate on implementing and managing production on the factory floor. Both roles require similar technical skills and certifications but differ mainly in their scope and work environment.

What are the most commonly searched types of Process Engineer jobs in Florissant, MO? The most popular types of Process Engineer jobs in Florissant, MO are:
What are popular job titles related to Process Engineer jobs in Florissant, MO? For Process Engineer jobs in Florissant, MO, the most frequently searched job titles are:
What job categories do people searching Process Engineer jobs in Florissant, MO look for? The top searched job categories for Process Engineer jobs in Florissant, MO are:
What cities near Florissant, MO are hiring for Process Engineer jobs? Cities near Florissant, MO with the most Process Engineer job openings:
Infographic showing various Process Engineer job openings in Florissant, MO as of August 2026, with employment types broken down into 100% Full Time. Highlights an 100% In-person job distribution, with an average salary of $84,864 per year, or $40.8 per hour.

Process Engineer III, Manufacturing Sciences

Thermo Fisher Scientific

Saint Louis, MO

Full-time

Posted 21 days ago


Thermo Fisher Scientific rating

7.7

Company rating: 7.7 out of 10

Based on 423 frontline employees who took The Breakroom Quiz

200th of 538 rated manufacturers


Job description

Work Schedule

Standard (Mon-Fri)

Environmental Conditions

Adherence to all Good Manufacturing Practices (GMP) Safety Standards, Office, Some degree of PPE (Personal Protective Equipment) required (safety glasses, gowning, gloves, lab coat, ear plugs etc.)

Job Description

How will you make an impact?

We are searching for a Process Engineer 3 with education and experience in biopharmaceutical processing or a related field. This member of our team provides technological input in the development, validation, and transfer of manufacturing processes. A Process Engineer 3 routinely supports the Process Engineering team as technical owners of customer programs in a manufacturing environment and will be highly involved and act as a subject matter expert in defining and shaping Thermo Fisher Scientific’s own technology programs. This role will collaborate internally with supervisors and technicians in the Operations department, Quality Assurance, fellow Engineers, and scientists in Process Development and with the client as a Process Engineer program lead. These activities are conducted in projects and involve teamwork with experts across functional groups to ensure project success. 

What will you do?

  • Draft, review and approve Standard Operation Procedures, and Job Aids and consult internally to ensure scientifically sound and robust procedures. 
  • Collaborate with the process development to develop standardized methodologies and learn/explore new methodologies for conducting unit operations at the manufacturing scale including cell culture, harvest, and purification. 
  • Contribute to Internal and Customer meetings based upon sound evidence guided by minimal supervision. 
  • Manages internal projects and tasks and lead client projects and manage timelines with minimal support from supervision. 
  • Actively identify error proofing opportunities and initiate and drive engineering initiatives to improve practices and procedures with minimal supervision. 
  • Provide scientific expertise for GMP deviations by assessing, reviewing and approving the impact of major deviations on both the product quality and the validation of the process. 
  • Lead changes to equipment and process design, proactively and with minimal supervision. 
  • Draft, review and approve Manufacturing Batch Records, Performance Qualifications, Process Validation protocols, process flow diagrams, automation methods, and Bill of Materials, ensuring the process is technically accurate and designed for Manufacturing.
  • Draft, review, and approve Process control documents, campaign summary report and process validation reports 
  • Reviews, analyzes and trends process data without supervision
  • Provide technical feedback on documents created by other departments, such as Tech Transfer Protocols and SOPs. 
  • Troubleshoot technical challenges on the manufacturing floor as needed for a 24/7 manufacturing facility. 
  • Support our MSAT team with additional tasks to improve the site, ensure patient safety, and deliver for our customers. 
  • Provides development and training for Process Engineers/Scientists.

How will you get here?

Education 

  • Bachelor’s degree required in a scientific field, preferably an engineering field. 
  • 5+ years of experience in GMP regulated Biologics / Pharma Industry, or equivalent experience (or master's degree in a scientific field + 3 years' experience or Ph.D.).
  •  

Experience 

  • 5+ years of experience in GMP regulated Biologics / Pharma Industry, or equivalent experience (or master's degree in a scientific field + 3 years' experience or Ph.D.). 
  • Follow Environmental, Health and Safety policies and procedures and ensure a safe and healthy workplace environment. 
  • Ability to self-motivate, prioritize work and time. 
  • Demonstrates a foundation in general scientific practices, principles, and concepts. 
  • Writes and communicates effectively. 
  • Ability to work both independently and as part of a team. 
  • Knowledge of current Good Manufacturing Practices and US/EU regulations.
  • Intermediate knowledge of statistical methods used for Pharmaceutical Process Analysis is a plus. 
  • Proficient in Microsoft Word and Excel. 
  • Ability to stand for prolonged periods of time and gown into manufacturing areas. 

What Thermo Fisher Scientific employees say

Pay

Benefits

Hours and flexibility

Workplace

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