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Senior Process Engineer Jobs in Missouri (NOW HIRING)

Senior Process Engineer

Monett, MO · On-site

$90K - $116K/yr

As a Senior Process Engineer at Schreiber Foods, you will play a pivotal role in optimizing our production processes, ensuring the efficient and cost-effective manufacturing of our food products. You ...

Senior Process Engineer

Mount Vernon, MO · On-site

$81K - $105K/yr

As a Senior Process Engineer at Schreiber Foods, you will play a pivotal role in optimizing our production processes, ensuring the efficient and cost-effective manufacturing of our food products. You ...

Senior Process Engineer

Monett, MO · On-site

$90K - $116K/yr

As a Senior Process Engineer at Schreiber Foods, you will play a pivotal role in optimizing our production processes, ensuring the efficient and cost-effective manufacturing of our food products. You ...

Senior Process Engineer

Monett, MO

$90K - $116K/yr

As a Senior Process Engineer at Schreiber Foods, you will play a pivotal role in optimizing our production processes, ensuring the efficient and cost-effective manufacturing of our food products. You ...

Senior Process Engineer

Mount Vernon, MO

$81K - $105K/yr

As a Senior Process Engineer at Schreiber Foods, you will play a pivotal role in optimizing our production processes, ensuring the efficient and cost-effective manufacturing of our food products. You ...

Sr. Process Engineer

Fenton, MO

$99K - $128K/yr

Summary The Sr. Process Engineer serves as main point of contact for manufacturing processes regarding safety, quality, and continuous improvement activities. Improves safety, quality, and ...

Sr. Process Engineer

Fenton, MO · On-site

$99K - $128K/yr

Summary The Sr. Process Engineer serves as main point of contact for manufacturing processes regarding safety, quality, and continuous improvement activities. Improves safety, quality, and ...

Senior Process Engineer

Saint Louis, MO · On-site

$97K - $125K/yr

The Senior Process Engineer will lead the process engineering effort on EPFC (engineer, procure, fabricate, construct) projects and provide guidance to less experienced process engineers. Work spans ...

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 ...

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Senior Process Engineer information

See Missouri salary details

$70.3K

$113.6K

$159.9K

How much do senior process engineer jobs pay per year?

As of Jun 12, 2026, the average yearly pay for senior process engineer in Missouri is $113,607.00, according to ZipRecruiter salary data. Most workers in this role earn between $97,600.00 and $126,200.00 per year, depending on experience, location, and employer.

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.

What are the key skills and qualifications needed to thrive as a Senior Process Engineer, and why are they important?

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 engineers make $300,000 a year?

Senior Process Engineers in industries such as oil and gas, chemical manufacturing, or aerospace can earn $300,000 or more annually, especially with extensive experience, specialized skills, and leadership roles. High compensation often includes bonuses, stock options, or other incentives, and requires advanced technical knowledge and certifications like 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 safety and regulatory standards. They also mentor junior engineers and collaborate with cross-functional teams to ensure smooth operations.

What engineer makes $500,000 a year?

Senior Process Engineers in specialized industries such as oil and gas, chemical manufacturing, or aerospace can earn salaries approaching or exceeding $500,000 annually, especially with extensive experience, advanced certifications, and leadership roles. High compensation often includes bonuses, stock options, or profit sharing, and requires expertise in process optimization, safety standards, and industry-specific tools.

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 PMP.

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 are the most commonly searched types of Process Engineer jobs in Missouri? The most popular types of Process Engineer jobs in Missouri are:
What are popular job titles related to Senior Process Engineer jobs in Missouri? For Senior Process Engineer jobs in Missouri, the most frequently searched job titles are:
What job categories do people searching Senior Process Engineer jobs in Missouri look for? The top searched job categories for Senior Process Engineer jobs in Missouri are:
What cities in Missouri are hiring for Senior Process Engineer jobs? Cities in Missouri with the most Senior Process Engineer job openings:
Infographic showing various Senior Process Engineer job openings in Missouri as of June 2026, with employment types broken down into 1% Locum Tenens, 91% Full Time, 3% Part Time, 1% Temporary, and 4% Contract. Highlights an 87% Physical, 5% Hybrid, and 8% Remote job distribution, with an average salary of $113,607 per year, or $54.6 per hour.

Senior Process Engineer, Cement Plant

Amrize

Bloomsdale, MO

$89K - $115K/yr

Other

Medical, Dental, Vision, Life, Retirement, PTO

Posted yesterday


Job description

We're seeking a Senior Process Engineer CEM who's ready to put your skills to work on projects that matter - and build a career with a company that's building North America. 

Job Title: Senior Process Engineer CEM   |   Req ID: 16705   |   Location: Ste. Genevieve Cement MO

ABOUT THE ROLE

The Senior Process Engineer leads plant discussions and investigations to improve throughput, efficiency, quality, and environmental performance. Through data analysis, field measurements, and conversations with employees are able to diagnose issues and develop solutions. As an "influencer" able to move the plant towards greater performance.

Relocation assistance provided for candidates outside this area. 

WHAT YOU'LL ACCOMPLISH

  • The Senior Process Engineer provides technical support to the plant's production, quality, and environmental functions. Understands strategies, priorities, and optimization techniques that assist the plant in attainment of plant and company objectives. Evaluates operations, processes, and trends through the use of audits and systematic approaches (Six Sigma, RCFA, SPC, etc).
  • Provides technical support on implementation of new equipment and/or new procedures including training of plant personnel as required. Serves as coach / mentor to CP's in process and other departments.
  • Primary to the Senior Process Engineer position is the coordination and participation in improvement of the Plant's technical capabilities. The Senior Process Engineer's objectives are to initiate process optimization in collaboration with Quality, Production and Maintenance to ensure maximum and efficient utilization of the plant's equipment. This position has a requirement of elevating the technical knowledge and practices of all facets of the operation.
  • The Senior Process Engineer is seen as a developmental position to provide a full spectrum exposure to cement plant operations. Successful incumbents may be considered for advancement opportunities into supervisory or managerial positions.
  • Ensure compliance with internal control procedures - communicating problems in operations, unwarranted deviations from established standards, and violations of policy or law.
  • Demonstrate a commitment to communicating, improving and adhering to health, safety and environmental policies in all work environments and areas. Promote a culture of safety and exhibit these behaviors.

WHAT WE'RE LOOKING FOR

  • Education: Bachelor's degree
  • Field of Study Preferred: Chemical Engineering, Automation Engineering, similar disciplines
  • Required Training/Certifications: Minimum 5 years of cement plant experience
  • Required Technical Skills: Strong computer expertise in but not limited to: Excel, Access, IP21,SAP, and SPC.

Travel Requirements: Minimal

Additional Requirements:

  • Promotes safety.
  • Excellent verbal and written communication skills.
  • Successful candidates must adhere to all safety protocols and proper use of Amrize approved Personal Protection Equipment ("PPE"), including but not limited to respirators. Employees that are required to wear respirators must be clean shaven where the respirator seal meets the face in order to pass the qualitative and quantitative fit tests.

WHAT WE OFFER    

** This role is eligible for a $10,000 sign on bonus!!** 

  • Competitive salary
  • Retirement Savings: Choose from 401(k) pre-tax and/or Roth after-tax savings
  • Employee Stock Purchase Plan 
  • Medical, Dental, Disability and Life Insurance  
  • Holistic Health & Well-being programs
  • Health Savings Accounts (HSAs) & Flexible Spending Accounts (FSAs) for health and dependent care
  • Vision and other Voluntary benefits and discounts
  • Paid time off & paid holidays
  • Paid Parental Leave (maternity & paternity)
  • Educational Assistance Program
  • Dress for your day

#LI-SZ1

Amrize is an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees.

We thank all applicants for their interest; however, only those selected for an interview will be contacted.