Senior Process Manufacturing Engineer
American Sterilizer Company (US) · St. Louis, MO
- Level
- Senior
- Team
- Process
- Base pay
- $93k–$120k
- Degree
- Required
- Certification
- Black Belt preferred
- Industry
- Industrial
- Posted
- Recently
The role in 30 seconds
A senior process role at American Sterilizer Company (US) (industrial) in St. Louis, MO. Louis, MO location is responsible for establishing themanufacturing process capability for new/reformulated products.
- They ask for
- degree required · Black Belt preferred
- Tools it names
- Lean, Six Sigma, Black Belt, Green Belt, Root cause, DMAIC
- Base pay
- $93k–$120k
- Day to day
- some off-shift / weekend coverage
Read from the posting. The full description is below.
From the plant jobs report · week of October 19, 2026
Process Engineer roles in Missouri: typical posted base $93k–$120k. This one lists $93k–$120k.
Median of the low and high ends of 5 live postings that list pay, out of 18 process engineer openings in Missouri, read from manufacturers' own careers sites.
Missouri plant jobs report →Pay by team and state →What moves pay →
How this role compares
Against 17 other live process postings in Missouri.
- Experience asked
- Not stated
Similar roles usually ask 5+ years.
Skills these teams ask for most
- ✓ Lean 28%
- ✓ Root cause 28%
- SAP 28%
- ✓ Six Sigma 22%
- Kaizen 22%
- ✓ FDA / GMP 22%
✓ = this posting asks for it too. % = share of similar postings that mention it.
At a glance
Pulled from the posting text. If it's not listed here, the posting didn't say.
How to get in at this plant
Five moves over a week or two. The first one takes ten minutes.
- 1
Pick 2–3 people on the Process team at American Sterilizer Company (US)
Engineers who joined in the last year or two reply the most. Use the team search on this page to find them.
- 2
Send a short, curious note
One real question about their work. No favors yet. Each person gets a different note, written for this role.
- 3
Turn a reply into a short call
Questions worth asking about this team:
- What does a normal week look like on your team?
- Is the work mostly new product launches or sustaining existing lines?
- How much time do you spend on the floor versus at a desk?
- How does off-shift and weekend coverage work?
- The posting mentions a Black Belt. Does the company sponsor certification?
- 4
Apply with someone vouching for you
If the call went well, ask whether they’d pass your résumé to the hiring manager. Send your résumé link, apply that day, and let them know.
- 5
Bring proof to the interview
One page of before-and-after numbers from projects you led: scrap, OEE, cycle time, cost. Plant managers hire on results.
Full description from American Sterilizer Company (US)As posted on their careers site.ShowHide
Position Summary
The Senior Process Manufacturing Engineer in our St. Louis, MO location is responsible for establishing themanufacturing process capability for new/reformulated products. In this role you will support the execution ofequipment qualification, cleaning, and process validation program. Prepare and revise batch records, operatinginstructions, and cleaning instructions. Conduct process improvement studies in the areas of operationalproductivity, process control, quality processing, employee safety, process yield improvement, and environmentalimpact in a lean environment. Test new technologies, processes, controls or prototype equipment and supportimplementation as appropriate to optimize liquid blending systems. Provide indirect supervision of technicians,interns and operators as required. Develop P&ID’s in support of validation efforts. Develop design of experiment(DOE) for the purpose of scale-up, troubleshooting and modifications of new and existing processes.
This position requires that you work onsite Monday through Friday during core business hours in our St. Louis, MO location.
What You'll do as a Senior Process Manufacturing Engineer
- ◆Support the execution of protocols to comply with FDA and cGMP
requirements
for equipment qualification,cleaning and process validations.
- ✓Responsible for the development of lean culture and institution of lean principles.
- ✓Develop plans, design experiments, and schedules for establishing manufacturing process capability andintroduction of new/reformulated products.
- ✓Interface with Product Development and Production to bring these processes from the research laboratorythrough scale-up full-scale manufacturing.
- ✓Responsible for research and testing of new technologies or processes appropriate for support ofnew/existing product manufacture.
- ✓Establish and maintain set point controls.
- ✓Support Project Engineering to obtain approval for Capital Appropriation Requests, design specifications andequipment installation.
- ✓Provide personnel training, development of manufacturing instructions and start-up of newprocesses/equipment.
- ✓Responsible for conducting process studies, identifying opportunities for improvement and supportingimplementation of findings to optimize liquid blending systems.
- ✓Resolve manufacturing deficiencies through troubleshooting and implementation of corrective actions.
- ✓Develop and submit written reports including objective, experimental, compilation of data, engineeringanalysis, conclusions and recommendations.
- ✓Monitor and provide solutions in terms of quality, yields, throughput, cycle times, process parameters, cGMPcompliance, and safety and environmental requirements.
- ✓Apply structured, technical problem-solving methodologies such as DMAIC, six sigma green belt/black beltstatistical analysis, etc. to confirm root causes of problems.
- ✓Implement corrective and preventative actions to solve root causes and prevent recurrence, reduce variation,and drive improvement in quality and other key KPI’s.
- ✓Serve as Subject Matter Expert (SME) providing deep technical insights into operations processes, includingchemical and biological formulation, filling, packaging, and quality operations.
- ✓Employ key project management principles including establishing and tracking timelines, identifying andmitigating risks, communicating across teams at all levels.
Required
- ✓Bachelors degree in Engineering.
- ✓Minimum five (5) years in process engineering or equivalent.
- ✓Background in biochemical or chemical engineering, or microbiology.
- ✓Project leadership skills, technical skills, and organization skills required.
- ✓Experience with FDA, and GMP regulated operations, such as Medical Devices or Pharmaceutical Manufacturing.
- ✓Good communication skills and interpersonal skills.
- ✓Proven proficiency in facilitating problem solving and other team-based root cause analysis (RCA).
- ✓Ability to generate detailed, high quality technical documentation to capture and communicate designs.
- ✓Ability to influence team members to perform at exceptional levels.
Show full description ↓Show less ↑
Preferred
- +Lean Six Sigma certification such as Green Belt or Black Belt, preferred.
What STERIS Offers
We value our employees and are committed to providing a comprehensive benefits package that supports your health, well-being, and financial future.
Here is just a brief overview of what we offer
- •Market Competitive pay
- •Extensive Paid Time Off and added Holidays
- •Excellent Healthcare, Dental and Vision benefits
- •Long- and Short-Term Disability coverage
- •401(k) with a company match
- •Maternity and Paternity Leave
- •Additional add- on benefits / discounts for programs such as Pet Insurance
- •Tuition Reimbursement and continuing education programs
- •Excellent opportunities for advancement in a stable long-term career
Pay range for this opportunity is $92,650.00 - $119,900.00. This position is eligible for bonus participation.
Minimum pay rates offered will comply with county/city minimums, if higher than range listed. Pay rates are based on a number of factors, including but not limited to local labor market costs, years of relevant experience, education, professional certifications, foreign language fluency, etc.
STERIS offers a comprehensive and competitive benefits portfolio. Click here for a complete list of benefits: STERIS Benefits
Open until position is filled.
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