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Assistant Process Engineer Jobs in Missouri (NOW HIRING)

Amrize

Senior Process Engineer CEM

Bloomsdale, MO · On-site

$89K - $115K/yr

The Senior Process Engineer leads plant discussions and investigations to improve throughput ... Understands strategies, priorities, and optimization techniques that assist the plant in attainment ...

Amrize

Senior Process Engineer, Cement Plant

Bloomsdale, MO

$89K - $115K/yr

Senior Process Engineer CEM | Req ID: 16705 | Location: Ste. Genevieve Cement MO ABOUT THE ROLE The ... Understands strategies, priorities, and optimization techniques that assist the plant in attainment ...

Amrize

Senior Process Engineer, Cement Plant

Bloomsdale, MO · On-site

$89K - $115K/yr

Senior Process Engineer CEM | Req ID: 16705 | Location: Ste. Genevieve Cement MO ABOUT THE ROLE The ... Understands strategies, priorities, and optimization techniques that assist the plant in attainment ...

Amrize

Senior Process Engineer, Cement Plant

Bloomsdale, MO

$89K - $115K/yr

Senior Process Engineer CEM | Req ID: 16705 | Location: Ste. Genevieve Cement MO ABOUT THE ROLE The ... Understands strategies, priorities, and optimization techniques that assist the plant in attainment ...

Amrize

Senior Process Engineer, Cement Plant

Bloomsdale, MO

$89K - $115K/yr

Senior Process Engineer CEM | Req ID: 16705 | Location: Ste. Genevieve Cement MO ABOUT THE ROLE The ... Understands strategies, priorities, and optimization techniques that assist the plant in attainment ...

kindeva

Sr. MS&T Process Engineer II

Maryland Heights, MO · On-site

$100K - $130K/yr

... processes. The Sr. MS&T Engineer II authors and executes validation strategies, analyzes complex ... pricing and project studies and assist in preparation of project proposals. * Support ...

kindeva

Sr. MS&T Process Engineer II

Maryland Heights, MO · On-site

$100K - $130K/yr

... processes. The Sr. MS&T Engineer II authors and executes validation strategies, analyzes complex ... pricing and project studies and assist in preparation of project proposals. * Support ...

kindeva

Sr. MS&T Process Engineer II

Maryland Heights, MO · On-site

$100K - $130K/yr

... processes. The Sr. MS&T Engineer II authors and executes validation strategies, analyzes complex ... pricing and project studies and assist in preparation of project proposals. * Support ...

kindeva

Sr. MS&T Process Engineer II

Maryland Heights, MO · On-site

$100K - $130K/yr

... processes. The Sr. MS&T Engineer II authors and executes validation strategies, analyzes complex ... pricing and project studies and assist in preparation of project proposals. * Support ...

Prysmian USA

Process Engineer

Sedalia, MO · On-site

$83K - $105K/yr

Achieve measurable productivity gains and KPI goals as identified by the Plant Manager and the Process Engineering Manager. * Assist the Engineering & Maintenance Manager with the preparation of the ...

C.L. Smith Company

Process Technician

Saint Louis, MO · On-site

... Assist Plant Engineer in daily variable studies and process improvement projects. Assist Plan ... Engineer in production and maintenance management. Participate in the maintenance coverage program ...

C.L. Smith

Process Technician

Saint Louis, MO · On-site

... Assist Plant Engineer in daily variable studies and process improvement projects. Assist Plan ... Engineer in production and maintenance management. Participate in the maintenance coverage program ...

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Assistant Process Engineer information

See Missouri salary details

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$23

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How much do assistant process engineer jobs pay per hour?

As of Aug 6, 2026, the average hourly pay for assistant process engineer in Missouri is $23.89, according to ZipRecruiter salary data. Most workers in this role earn between $16.44 and $27.74 per hour, depending on experience, location, and employer.

What are the key skills and qualifications needed to thrive as an assistant process engineer?

To thrive as an Assistant Process Engineer, a solid background in chemical or process engineering, analytical problem-solving skills, and a relevant engineering degree are essential. Familiarity with process simulation software (such as Aspen HYSYS or AutoCAD), data analysis tools, and safety regulations is typically required. Strong teamwork, effective communication, and attention to detail help individuals stand out in this role. These skills and qualities ensure efficient process optimization, safe operations, and successful collaboration within engineering teams.

How much does an assistant process engineer get paid?

The average salary for an assistant process engineer ranges from $55,000 to $75,000 per year, depending on experience, location, and industry. Entry-level positions may start lower, while experienced assistants with specialized skills or certifications can earn higher wages. Salaries often include benefits such as health insurance and paid time off.

What does an assistant process engineer do?

An assistant process engineer supports the development, implementation, and optimization of manufacturing or chemical processes. They assist in data collection, process troubleshooting, and ensuring safety and quality standards are met, often using tools like process simulation software. This role typically requires technical knowledge, problem-solving skills, and familiarity with industry regulations.

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

AspectAssistant Process EngineerProcess Engineer
QualificationsBachelor's in Engineering or related field, some certificationsBachelor's or higher in Engineering, often with more experience
Work EnvironmentSupportive, entry-level, team-basedMore autonomous, project management responsibilities
ResponsibilitiesAssist in process design, data collection, troubleshootingDesign, optimize, and oversee manufacturing processes

Assistant Process Engineers typically support process development and troubleshooting under supervision, while Process Engineers take on more independent responsibilities in designing and optimizing processes. Both roles require similar educational backgrounds, but Process Engineers usually have more experience and autonomy in their tasks.

What are some common challenges faced by assistant process engineers, and how can they effectively overcome them?

Assistant Process Engineers often encounter challenges such as adapting to rapidly changing project requirements, troubleshooting unexpected process inefficiencies, and balancing multiple tasks under tight deadlines. To navigate these obstacles, it's important to develop strong problem-solving skills, maintain clear communication with senior engineers and cross-functional teams, and stay organized through effective time management. Proactively seeking feedback and learning from experienced colleagues can also help in building confidence and technical expertise, paving the way for career progression.
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 Assistant Process Engineer jobs in Missouri? For Assistant Process Engineer jobs in Missouri, the most frequently searched job titles are:
What job categories do people searching Assistant Process Engineer jobs in Missouri look for? The top searched job categories for Assistant Process Engineer jobs in Missouri are:
Assistant Process Engineer jobs near you
Infographic showing various Assistant Process Engineer job openings in Missouri 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 $49,701 per year, or $23.9 per hour.

Senior Process Engineer CEM

Amrize

Bloomsdale, MO • On-site

$89K - $115K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Re-posted 7 days ago

Job description

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.