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

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 ...

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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 ...

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 ...

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 ...

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 ...

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.

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 ...

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 ...

Senior Software Engineer

O Fallon, MO · On-site

$114K - $151K/yr

... processing workloads. • Mentor engineers and promote software engineering and operational ... Senior SE Skills | Excel] • Experience with production support, on-call operations, incident ...

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Sr Process Engineer information

See Washington, MO salary details

$66.3K

$107.1K

$150.8K

How much do sr process engineer jobs pay per year?

As of Aug 30, 2026, the average yearly pay for sr 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 is a Sr Process Engineer?

Senior Process Engineers are experienced professionals responsible for designing, optimizing, and overseeing the processes used in manufacturing or production environments. They analyze workflows, troubleshoot process issues, and implement improvements to increase efficiency, reduce costs, and ensure product quality. Sr Process Engineers often lead teams, manage projects, and work closely with other departments such as quality assurance, maintenance, and operations. Their expertise is crucial in industries like chemicals, pharmaceuticals, oil and gas, and food processing. They typically hold a degree in engineering and have several years of experience in process engineering roles.

What are the key skills and qualifications needed to thrive as a Sr Process Engineer?

To thrive as a Sr Process Engineer, you need a solid background in chemical, mechanical, or industrial engineering, often with a bachelor's or master's degree and relevant industry experience. Familiarity with process simulation software (such as Aspen Plus or HYSYS), Six Sigma or Lean certifications, and knowledge of safety and regulatory standards are typically required. Strong problem-solving, project management, and communication skills help distinguish top performers in this role. These skills and qualifications are vital for optimizing processes, ensuring efficiency and safety, and driving continuous improvement in complex manufacturing environments.

How does a Sr Process Engineer typically collaborate with cross-functional teams to improve manufacturing efficiency?

Sr Process Engineers work closely with teams such as production, quality assurance, maintenance, and R&D to identify areas for process optimization. They often lead or participate in cross-functional meetings to gather data, analyze workflow bottlenecks, and implement solutions that enhance efficiency and product quality. Effective communication and project management skills are essential, as Sr Process Engineers must balance technical requirements with practical constraints while ensuring all stakeholders are aligned with proposed changes.

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

AspectSr Process EngineerProcess Engineer
QualificationsBachelor's degree in engineering, 5+ years experience, certifications like Six SigmaBachelor's degree in engineering or related field, 1-3 years experience
ResponsibilitiesLead process improvements, optimize manufacturing processes, mentor junior staffAssist in process development, data collection, support process optimization
Work EnvironmentManufacturing plants, industrial facilities, cross-functional teamsManufacturing settings, engineering teams, project-based tasks

The main difference between a Sr Process Engineer and a Process Engineer lies in experience, responsibility level, and scope of work. The Sr Process Engineer typically leads projects, mentors others, and has more advanced qualifications, while the Process Engineer supports and executes process improvements under supervision.

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 such as Six Sigma or PMP.

What does a senior process engineer do?

A senior process engineer designs, develops, and optimizes manufacturing or industrial processes to improve efficiency, safety, and quality. They analyze data, troubleshoot issues, and implement process improvements, often using tools like process simulation software and adhering to industry standards. They also mentor junior engineers and collaborate with cross-functional teams to ensure smooth operations.

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

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

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

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

Infographic showing various Sr Process Engineer job openings in Washington, MO as of August 2026, with employment types broken down into 1% As Needed, 78% Full Time, 16% Part Time, 4% Contract, and 1% Nights. Highlights an 92% Physical, 2% Hybrid, and 6% 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
IT Services • 51 - 200 employees

Contractor

Re-posted 20 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