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Assistant Process Engineer Jobs in Missouri (NOW HIRING)

Endo International

Sr. Process Engineer

Fenton, MO · On-site

$99K - $128K/yr

Candidate may also have to assist in production efforts when necessary. * Coordinate projects as assigned. * Perform other duties as assigned. MINIMUM REQUIREMENTS : Education: BS degree in ...

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 ...

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 ...

kindeva

Sr. MS&T Process Engineer II

Maryland Heights, MO

$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

$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

$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 ...

Boaz Partners, LLC

Junior Engineer

Louisiana, MO · On-site

Support day-to-day process engineering activities under the guidance of senior engineering staff. * Assist with data collection, monitoring, and troubleshooting process operations. * Collaborate with ...

kindeva

MS&T Engineer I

Maryland Heights, MO

Support process characterization, scale-up, process validation, and CPV activities. * Assist in ... Bachelor's Degree in Engineering, Life Sciences, Pharmaceutical Sciences, or related technical ...

kindeva

MS&T Engineer I

Maryland Heights, MO

Support process characterization, scale-up, process validation, and CPV activities. * Assist in ... Bachelor's Degree in Engineering, Life Sciences, Pharmaceutical Sciences, or related technical ...

kindeva

MS&T Engineer I

Maryland Heights, MO · On-site

Support process characterization, scale-up, process validation, and CPV activities. * Assist in ... Bachelor's Degree in Engineering, Life Sciences, Pharmaceutical Sciences, or related technical ...

kindeva

MS&T Engineer I

Maryland Heights, MO

Support process characterization, scale-up, process validation, and CPV activities. * Assist in ... Bachelor's Degree in Engineering, Life Sciences, Pharmaceutical Sciences, or related technical ...

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All JobsProcess Engineer JobsAssistant Process Engineer JobsAssistant Process Engineer Jobs in Missouri

Assistant Process Engineer information

See Missouri salary details

$13

$23

$45

How much do assistant process engineer jobs pay per hour?

As of Jul 17, 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 engineers make $300,000 a year?

Senior engineers in specialized fields such as petroleum, aerospace, or software engineering can earn $300,000 or more annually, especially with extensive experience, advanced skills, and leadership roles. High compensation often involves working in high-demand industries, holding managerial or executive positions, or possessing rare technical expertise and certifications.

What engineer makes $500,000 a year?

Highly experienced engineers in specialized fields such as petroleum engineering, aerospace engineering, or certain senior roles in software engineering can earn $500,000 or more annually, often including bonuses and stock options. These positions typically require advanced skills, extensive experience, and often involve leadership or executive responsibilities.

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

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.

What does an assistant process engineer do?

An assistant process engineer supports the development, implementation, and optimization of manufacturing or production processes. They analyze data, assist in troubleshooting, and collaborate with engineers to improve efficiency and safety, often using tools like process simulation software. This role typically requires technical knowledge, problem-solving skills, and familiarity with industry standards and safety protocols.

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 engineers make $200,000 a year?

Senior engineers in fields such as petroleum, aerospace, and software engineering often earn $200,000 or more annually, especially with extensive experience, advanced skills, and in high-demand industries. Executive-level engineering roles or those with specialized certifications and leadership responsibilities can also reach or exceed this salary level.
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 July 2026, with employment types broken down into 1% As Needed, 73% Full Time, 22% Part Time, 1% Temporary, and 3% Contract. Highlights an 99% Physical, and 1% Remote job distribution, with an average salary of $49,701 per year, or $23.9 per hour.

Sr. Process Engineer

Endo International

Fenton, MO • On-site

$99K - $128K/yr

Full-time

Re-posted 10 days ago

Job description

Why Us?
At Par Health, we believe great healthcare is built on getting the essentials right. We're looking for passionate, talented individuals who share our commitment to improving lives. With a global workforce, we lead with pride and purpose-prioritizing quality and safety while fostering a culture of continuous improvement, accountability, and teamwork. Elevating the Essentials isn't just our tagline, it's the higher standard we live by every day.
Job Description 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 productivity of a solid dose pharmaceutical operation. Consistently seeks for and evaluates methods to improve overall customer satisfaction through improved manufacturing efficiencies.
Job Description
ESSENTIAL FUNCTIONS:
  • Works closely with Research & Development (R&D) organization project managers and formulators for new product transfer into the facility.
  • Identifies and implements improvements to existing processes using continuous improvement tools.
  • Ensures that processes comply with all cGMP regulations in regards to process and cleaning validation.
  • Completes exception investigations and implements effective corrective and preventative actions.
  • Write and update batch records for new and existing product lines.
  • Ensures accurate completion of all paperwork and documentation including batch records, equipment, etc.
  • Design, validate and commission new production equipment and tooling, monitor modifications and upgrades, and troubleshoot existing processes.
  • Write and execute validation documentation (process, cleaning, and equipment) for new and existing product lines.
  • Regular participation in production daily operations meeting and lead team problem solving efforts.
  • Work with plant safety to maintain process specific safety information.
  • Assist in developing training programs and/or SOPs to enhance skills sets and reduce defects.
  • Support customer or regulatory agency audits as the subject matter expert for assigned processes.
  • Provide technical support and problem resolution.
  • Ensuring that process critical maintenance is completed in a timely manner to reduce downtime
  • Candidate may also have to assist in production efforts when necessary.
  • Coordinate projects as assigned.
  • Perform other duties as assigned.

MINIMUM REQUIREMENTS:
Education:
BS degree in Industrial, Manufacturing, Chemical Engineering or related field.
Experience:
Five years of related experience in pharmaceutical industry. Solid dose production experience is preferred
Preferred Skills/Qualifications:
Strong knowledge of chemistry, physics, and engineering principles.
Experience with manufacturing processes.
Ability to effectively communicate with all levels of the organization, from operations to senior management, both oral and written format
Other Skills:
Knowledge of cGMP regulations.
Excellent communication skills, both oral and written
Strong working knowledge of Microsoft Office products including Word and Excel
RELATIONSHIPS WITH OTHERS:
The Sr. Process Engineer supports the pharmaceutical manufacturing process and may be assigned a general plant support role. Position interacts with production technicians, production managers, project managers and Leadership team member, R&D, corporate engineering and external vendors.
WORKING CONDITIONS: Works an equal amount of time on the production floor in a manufacturing environment and an office type environment. The time spent on the production floor may be extended periods of time within a manufacturing facility
DISCLAIMER:
The above statements are intended to describe the general nature and level of work being performed by employees assigned to this classification. They are not intended to be construed as an exhaustive list of all responsibilities, duties, and skills required of employees assigned to this position.
EEO Statement:
We comply with all applicable federal, state, and local laws prohibiting discrimination and harassment, and provides equal employment opportunities (EEO) to all employees and applicants for employment without regard to race, color, religion, gender, sexual orientation, gender identity, national origin, age, disability, veteran status, or genetic information, or any other classification protected by federal, state or local law. This policy applies to all terms and conditions of employment, including recruiting, hiring, placement, promotion, termination, layoff, recall, transfer, leaves of absence, compensation and training.

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