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Senior Process Engineer Jobs in Washington, MO (NOW HIRING)

1 point system

Process Engineer

Lake Saint Louis, MO · On-site

Process Engineer Location : St Louis, MO Hybrid Process : Teams Interview Length : 6-12 months VISA : US or GC Only Must have Food Industry experience * Design, budget, implement, and optimize new ...

Open Systems Inc.

Process Engineer

Wentzville, MO · On-site

$45 - $46/hr

Manufacturing Process Engineer Location: Wentzville, MO Duration: 12 Month contract with Possible Extension Pay Range: $45 - $46 per hour in W2 Position Summary: The Paint Process Engineer is ...

Actalent

Process Engineer

Wentzville, MO · On-site

Manufacturing Process Engineer - Paint Department This Manufacturing Process Engineer role supports plant operations within a highly automated paint department, focusing on process improvements ...

G-TECH Services, Inc.

Be Seen First

Manufacturing Process Engineer - Paint Process

Wentzville, MO · On-site

$35 - $45/hr

Manufacturing Process Engineer (Paint Process) Location: Wentzville, MO Time shift: 12 hrs shifts (6 AM to 6 PM / 6 PM to 6 AM) Contract duration: 52 Weeks (likely extension and direct) Overtime ...

Optimal Inc.

Manufacturing Process Engineer

Wentzville, MO · On-site

$70K - $94K/yr

Paint Process Engineer - run and maintain automotive paint equipment and robots to ensure safety, quality and throughput metrics are attained dailyBusiness Group:The manager is the Maintenance ...

Optimal Inc.

Manufacturing Process Engineer

Wentzville, MO · On-site

$70K - $94K/yr

Paint Process Engineer - run and maintain automotive paint equipment and robots to ensure safety, quality and throughput metrics are attained daily Business Group: The manager is the Maintenance ...

Optimal Inc.

Manufacturing Process Engineer

Wentzville, MO · On-site

$70K - $94K/yr

Paint Process Engineer - run and maintain automotive paint equipment and robots to ensure safety, quality and throughput metrics are attained daily Business Group: The manager is the Maintenance ...

eShocan

Manufacturing Process Engineer 4

Wentzville, MO · On-site

$70K - $94K/yr

The Paint Process Engineer is responsible for developing, implementing, maintaining, and continuously improving manufacturing processes, equipment, and automation systems within the Paint Department.

MasterCard

Senior AI Engineer

O Fallon, MO · On-site

$97K - $134K/yr

As a Senior AI Engineer, you will work at the intersection of AI engineering and big data engineering, helping improve the models, data assets, and operational processes that power fraud detection.

Mastercard, Inc.

Senior AI Engineer

O Fallon, MO · On-site

$97K - $134K/yr

As a Senior AI Engineer, you will work at the intersection of AI engineering and big data engineering, helping improve the models, data assets, and operational processes that power fraud detection.

Mastercard, Inc.

Senior Software Engineer

O Fallon, MO · On-site

$114K - $151K/yr

Overview The CORE Payments Optimization team is seeking a Senior Software Engineer to build and enhance critical payment processing services that support issuer account management, transaction ...

MasterCard

Senior Software Engineer

O Fallon, MO

$114K - $151K/yr

Overview The CORE Payments Optimization team is seeking a Senior Software Engineer to build and enhance critical payment processing services that support issuer account management, transaction ...

MasterCard

Senior Software Engineer

O Fallon, MO · On-site

$114K - $151K/yr

Title and Summary Senior Software Engineer Overview: Mastercard Send (part of the Mastercard Move ... Automate deployments, testing, monitoring, and operational processes to improve reliability and ...

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All JobsProcess Engineer JobsSenior Process Engineer JobsSenior Process Engineer Jobs in Washington, MO

Senior Process Engineer information

See Washington, MO salary details

$66.3K

$107.1K

$150.8K

How much do senior process engineer jobs pay per year?

As of Aug 27, 2026, the average yearly pay for senior process engineer in Washington, MO is $107,108.00, according to ZipRecruiter salary data. Most workers in this role earn between $92,000.00 and $118,900.00 per year, depending on experience, location, and employer.

What does a senior process engineer do?

A Senior Process Engineer is responsible for designing, optimizing, and overseeing processes within manufacturing or production environments. They analyze workflows, troubleshoot issues, and implement improvements to increase efficiency, safety, and product quality. Senior Process Engineers often lead projects, mentor junior engineers, and collaborate with cross-functional teams to ensure operational excellence. Their expertise is vital in industries like chemicals, pharmaceuticals, oil and gas, and food processing.

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

To thrive as a Senior Process Engineer, you need a strong background in chemical or process engineering, problem-solving skills, and typically a bachelor's or master's degree in a relevant field. Expertise in process simulation software (such as Aspen Plus or HYSYS), Six Sigma or Lean certifications, and familiarity with process control systems are highly valued. Outstanding analytical abilities, leadership, and effective communication set top performers apart in this role. These skills and qualifications are crucial for optimizing processes, ensuring safety and compliance, and leading teams to achieve operational excellence.

What are some common challenges senior process engineers face when working on cross-functional teams?

Senior Process Engineers often collaborate with professionals from various departments, such as operations, quality, and maintenance. A common challenge is aligning diverse priorities and communication styles to achieve shared project goals. Successfully managing these differences requires strong interpersonal and project management skills, as well as the ability to translate technical concepts for non-engineering colleagues. Regular meetings and clear documentation can help ensure everyone stays informed and engaged throughout the process.

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

AspectSenior Process EngineerProcess Engineer
QualificationsBachelor's or Master's in Engineering, often with 5+ years experienceBachelor's degree in Engineering or related field, typically 1-3 years experience
ResponsibilitiesLeading process improvements, mentoring, project managementSupporting process development, data analysis, assisting senior staff
Work EnvironmentDesign teams, manufacturing plants, R&D departmentsManufacturing facilities, engineering teams, operational support

Senior Process Engineers typically have more experience, leadership duties, and oversee complex projects, while Process Engineers focus on supporting process development and implementation. Both roles are essential in manufacturing and engineering industries, but the senior role involves greater responsibility and strategic planning.

How much does a senior process engineer earn?

A senior process engineer typically earns between $80,000 and $130,000 annually, depending on experience, industry, and location. They often have specialized skills in process optimization, project management, and may hold certifications like Six Sigma or PE licensure.

What are popular job titles related to Senior Process Engineer jobs in Washington, MO?

For Senior Process Engineer jobs in Washington, MO, the most frequently searched job titles are:

What job categories do people searching Senior Process Engineer jobs in Washington, MO look for?

The top searched job categories for Senior Process Engineer jobs in Washington, MO are:

What cities near Washington, MO are hiring for Senior Process Engineer jobs?

Cities near Washington, MO with the most Senior Process Engineer job openings:

Senior Process Engineer jobs near you
Infographic showing various Senior Process Engineer job openings in Washington, MO as of August 2026, with employment types broken down into 1% As Needed, 77% Full Time, 19% Part Time, 2% Contract, and 1% Nights. Highlights an 89% Physical, 3% Hybrid, and 8% Remote job distribution, with an average salary of $107,108 per year, or $51.5 per hour.

Process Engineer

Lake Saint Louis, MO • On-site

1 point system
51 - 200 employees
Learn more about 1 point systemexternal

Contractor

Re-posted 16 days ago

Job description

Title:                   Process Engineer
Location:            St Louis, MO Hybrid

Process:             Teams Interview

Length:               6-12 months

VISA:                    US or GC Only

Must have Food Industry experience

  •  Design, budget, implement, and optimize new and existing manufacturing processes to maintain equipment and systems for optimal performance and compliance.
  • Analyze production yields and workflows to identify bottlenecks, developing solutions to enhance efficiency, quality, and safety.
  • Diagnose and resolve issues related to equipment malfunctions, process failures, or product defects, utilizing operational excellence tools to drive improvements. Manage the
  • Maintenance team, ensuring proper training, resource allocation, and schedule adherence while developing preventative/predictive maintenance programs.
  • Collaborate with cross-functional teams to ensure smooth integration of new technologies or process refinements, managing relationships with contractors and vendors. Implement and manage continuous improvement initiatives to reduce costs, improve productivity, and enhance quality, mentoring and training cross-functional team members.
  • Essential Skills
  • Bachelor’s degree in Engineering or a related scientific field.
  • 5+ years of experience in food plant engineering, process engineering, or related manufacturing roles.
  • Proficiency with Microsoft Office, Google Suite, CAD, and MiniTab.
  • Knowledge of HACCP, USDA, FDA regulations related to the food processing industry.
  • Experience with GFSI and SQF guidelines.
  • Additional Skills & Qualifications Lean Manufacturing, Six Sigma, or similar certification preferred