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Process Engineer Jobs in Chesterfield, MO (NOW HIRING)

Vijon, Inc.

ENGINEER PROCESS

Saint Louis, MO · On-site

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 ...

Vi-Jon

ENGINEER PROCESS

Saint Louis, MO

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 ...

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All JobsProcess Engineer JobsProcess Engineer Jobs in Chesterfield, MO

Process Engineer information

See Chesterfield, MO salary details

$49K

$91.1K

$141K

How much do process engineer jobs pay per year?

As of Aug 9, 2026, the average yearly pay for process engineer in Chesterfield, MO is $91,074.00, according to ZipRecruiter salary data. Most workers in this role earn between $73,700.00 and $101,900.00 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.

More about Process Engineer jobs
What cities near Chesterfield, MO are hiring for Process Engineer jobs? Cities near Chesterfield, MO with the most Process Engineer job openings:
Process Engineer jobs near you
Infographic showing various Process Engineer job openings in Chesterfield, MO as of August 2026, with employment types broken down into 1% As Needed, 79% Full Time, 16% Part Time, and 4% Contract. Highlights an 93% Physical, 2% Hybrid, and 5% Remote job distribution, with an average salary of $91,074 per year, or $43.8 per hour.

Senior Process Engineer - Liquid Systems

CRB

Saint Louis, MO

$101K - $130K/yr

Full-time

Re-posted 25 days ago

Job description

Company Description

CRB is a leading provider of sustainable Engineering, Architecture, Construction and Consulting solutions to the global life sciences and food and beverage industries. Our employees provide best-in-class solutions that drive success and positive change for our clients, our people and our communities. CRB is a privately held company with a rich history of serving clients throughout the world, consistently striving for the highest standard of technical knowledge, creativity and execution.

Job Description

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 liquid products such as beverages, dairy, sauces, and other fluid-based consumables.

You’ll be responsible for managing the scope, schedule, and budget of your assigned systems or unit operations, while collaborating closely with clients, vendors, and internal teams to deliver high-quality, innovative solutions.

This position can be hybrid with up to 50% travel. 

Key Responsibilities

  • Lead the design and development of liquid processing systems for food and beverage manufacturing facilities.
  • Translate client requirements into process design scope and deliverables.
  • Manage and coordinate with internal teams, clients, vendors, and construction partners.
  • Oversee technical deliverables such as P&IDs, mass and energy balances, equipment specifications, and process narratives.
  • Support and lead activities such as:
    • Vendor package management and technical bid evaluations
    • Factory Acceptance Testing (FAT)
    • Risk assessments (HAZOP, HACCP)
    • 3D model reviews and coordination
    • Commissioning and startup support
  • Mentor junior engineers and contribute to technical development initiatives.
Qualifications
  • Bachelor’s degree in Chemical, Mechanical, or Process Engineering (ABET-accredited)
  • 5+ years of experience in process engineering for liquid food or beverage systems, specifically in confectionary, pet food, fermentation, dairy, dressings and sauces.
  • Strong understanding of sanitary design, CIP systems, and fluid handling equipment
  • Excellent communication and project coordination skills
  • Familiarity with industry codes and regulatory standards (e.g., FDA, USDA, 3-A)

Preferred Qualifications

  • PE or EIT certification
  • Experience with construction support (RFIs, submittals, punch lists)
  • Hands-on experience with commissioning and troubleshooting liquid process systems
  • Knowledge of automation and control systems for liquid processes

Additional Information

All your information will be kept confidential according to EEO guidelines.

CRB is committed to hiring and retaining a diverse workforce. We are proud to be an Equal Opportunity Employer and it is our policy to provide equal opportunity to all people without regard to race, color, religion, national origin, ancestry, marital status, veteran status, age, disability, pregnancy, genetic information, citizenship status, sex, sexual orientation, gender identity or any other legally protected category. Employment is contingent on background screening.

CRB does not accept unsolicited resumes from search firms or agencies. Any resume submitted to any employee of CRB without a prior written search agreement will be considered unsolicited and the property of CRB. Please, no phone calls or emails.

CRB offers a complete and competitive benefit package designed to meet individual and family needs.

If you are unable to complete this application due to a disability, contact this employer to ask for an accommodation or an alternative application process.