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Process Engineer Jobs in California, MO (NOW HIRING)

Convectivecapital

Senior Manufacturing Engineer

California, MO · On-site

$130 - $180/hr

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

Right now, every part of that process is owned by a team of full‑stack engineers, each of whom designs a part, owns its tooling, and makes tweaks to improve performance in the field. This has ...

Stellantis

Resident Engineer

Jefferson City, MO · On-site

$93K - $119K/yr

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

Engineer process variation reduction * Employ advanced problem-solving expertise to correct unfavorable variances and communicate alternative measures to mitigate engineering, timing and/or financial ...

Jobtailor

Chief Systems Engineer

California, MO · On-site

$120 - $160/hr

Modernize ISEA systems engineering processes using a Model Based Systems Engineering (MBSE) approach as directed by the DoN and NAVWAR guidance * Manage system requirements and their allocation for ...

New

Jobtailor

Machine Learning Engineer

California, MO · On-site

$130 - $190/hr

Experience with Python and data processing frameworks (e.g., Spark, Beam, Ray) * Experience with ML ... Data Engineering * Machine Learning Engineering * Data Pipeline * Data Processing * Synthetic Data ...

Hitachi

Electrical Design Engineer

Jefferson City, MO · On-site

Identify and lead improvements to engineering processes and products * Define and document requirements for system enhancements * Support testing, validation, and deployment of tools and solutions

CMMG

Industrial Engineer

Boonville, MO · On-site

$57K - $77K/yr

Engineering Reports To: Director Job Summary The Industrial Engineer analyzes, designs, and ... Key Responsibilities Process Analysis and Improvement * Evaluate current manufacturing practices ...

CMMG, Inc.

Industrial Engineer

Boonville, MO · On-site

$57K - $77K/yr

Engineering Reports To: Director Job Summary The Industrial Engineer analyzes, designs, and ... Key Responsibilities Process Analysis and Improvement * Evaluate current manufacturing practices ...

Jobtailor

Senior Project Engineer

California, MO · On-site

$90 - $120/hr

Manage equipment procurement process and ensure cost-effectiveness of technical solution ... Electrical Engineering Preferred, other Engineering or STEM degree * 3-5+ years of experience in ...

Turion Space

Senior GNC Engineer

California, MO · On-site

$150 - $213/hr

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

Drive the continuous improvement of GNC processes, methodologies, and best practices, and share knowledge with the engineering team. * Stay updated with the latest advancements and research in GNC ...

American Plastics, LLC

Design Engineer

Jefferson City, MO · On-site

  • Medical

  • Dental

  • Retirement

  • PTO

We are seeking a skilled Design Engineer specializing in plastics to join our team at our ... Oversee the prototyping process, including selecting appropriate materials, collaborating with ...

American Plastics LLC

Design Engineer

Jefferson City, MO · On-site

  • Medical

  • Dental

  • Retirement

  • PTO

We are seeking a skilled Design Engineer specializing in plastics to join our team at our ... Oversee the prototyping process, including selecting appropriate materials, collaborating with ...

Hitachi

Quality Engineer- (Off Shift)

Jefferson City, MO · On-site

$68K - $88K/yr

No Hitachi Energy is looking for a Quality Engineer to join our Jefferson City, Missouri team and ... You will analyze data, investigate deviations, and translate insights into tangible process ...

Jobtailor

Senior AI Engineer

California, MO · On-site

$120 - $190/hr

Contribute to the design of scalable infrastructure for large-scale data processing and model serving * Partner closely with engineers and data scientists and collaborate with product and operations ...

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Showing results 41-60

All JobsProcess Engineer JobsProcess Engineer Jobs in California, MO

Process Engineer information

See California, MO salary details

$44.3K

$82.4K

$127.5K

How much do process engineer jobs pay per year?

As of Aug 16, 2026, the average yearly pay for process engineer in California, MO is $82,351.00, according to ZipRecruiter salary data. Most workers in this role earn between $66,700.00 and $92,200.00 per year, depending on experience, location, and employer.

What is the work of a process engineer?

A process engineer designs, develops, and optimizes manufacturing processes to improve efficiency, quality, and safety. They analyze production workflows, troubleshoot issues, and implement improvements using tools like process flow diagrams and statistical analysis. Strong problem-solving skills and knowledge of industry standards are essential for this role.

What are some common challenges process engineers face when implementing process improvements, and how can they overcome them?

Process Engineers often encounter challenges such as resistance to change from team members, integrating new technologies with existing systems, and ensuring process changes meet regulatory standards. Overcoming these obstacles typically involves clear communication, involving stakeholders early in the process, thorough documentation, and piloting changes before full-scale implementation. Building strong cross-functional relationships and continuously gathering feedback also help ensure that improvements are effective and sustainable.

What is a process engineer?

Process Engineers are professionals who design, implement, and optimize industrial processes to improve efficiency, quality, and safety in manufacturing or production environments. They analyze workflows, troubleshoot process issues, and develop solutions to enhance productivity and reduce costs. Process Engineers often work in industries such as chemicals, pharmaceuticals, food and beverage, and energy, ensuring processes are compliant with environmental and safety regulations. Their work is vital for maintaining smooth operations and achieving organizational goals.

What jobs do process engineers do?

Process engineers design, develop, and optimize manufacturing processes to improve efficiency, safety, and quality. They analyze production data, troubleshoot issues, and implement process improvements using tools like process flow diagrams and statistical analysis. Their work often involves collaboration with production teams and requires knowledge of engineering principles and industry standards.

What are the key skills and qualifications needed to thrive as a process engineer, and why are they important?

To thrive as a Process Engineer, you need a solid background in chemical, mechanical, or industrial engineering, often supported by a relevant bachelor's degree and understanding of process optimization principles. Familiarity with process simulation software (such as Aspen Plus or AutoCAD), Six Sigma methodologies, and quality management systems is typically required. Strong analytical thinking, problem-solving abilities, and effective communication skills set candidates apart in this role. These skills and qualifications are essential to improve efficiency, ensure safety, and drive continuous improvement in industrial and manufacturing processes.

What is the difference between Process Engineer vs Manufacturing Engineer?

AspectProcess EngineerManufacturing Engineer
CredentialsBachelor's in Engineering, certifications like Six SigmaBachelor's in Engineering, certifications like Lean Manufacturing
Work EnvironmentDesigning and optimizing processes, R&D settingsOverseeing production lines, factory floors
Industry UsageManufacturing, chemical, aerospaceAutomotive, electronics, consumer goods

Process Engineers focus on designing and improving manufacturing processes, often working in R&D or engineering departments. Manufacturing Engineers concentrate on implementing and managing production on the factory floor. Both roles require similar technical skills and certifications but differ mainly in their scope and work environment.

More about Process Engineer jobs

What are the most commonly searched types of Process Engineer jobs in California, MO?

The most popular types of Process Engineer jobs in California, MO are:

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

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

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

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

Process Engineer jobs near you
Infographic showing various Process Engineer job openings in California, MO as of August 2026, with employment types broken down into 100% Full Time. Highlights an 100% In-person job distribution, with an average salary of $82,351 per year, or $39.6 per hour.

Mechanical Engineer - Entry Level - 2+ years (Hybrid)

Barr Engineering

Jefferson City, MO • On-site

$73K - $85K/yr

Other

Medical, Dental, Vision, Life, Retirement, PTO

Re-posted 4 days ago

Job description

The role - what you'll do
Barr is seeking a mechanical engineer to join our team. In this hybrid role, you will support the Engineering and Design business unit, working with multidisciplinary project teams to serve industrial clients in the power generation, oil and gas, and manufacturing sectors. You will use your expertise to develop and review engineering calculations, system specifications, and construction drawings; select equipment and components; and guide project execution from concept to bid packages. You will contribute to technical reports, cost estimates, proposals, and client-facing documentation that support critical infrastructure investments.
A successful person in this role will have strong interpersonal, oral, and written communication skills. They must possess a flexible working style and be willing to occasionally modify their schedule to meet deadlines and/or client needs. They must be able to work cooperatively in a project team environment that encourages self-initiative and demonstrate effective project organization and management skills.
Your impact - key responsibilities
  • Technical knowledge: simple-cycle plant design or renewable natural gas plant design; natural gas boiler project design; compressor station and oil/gas pipeline system design; gas processing and dehydration system design; conveyor and bulk material handling system design; crusher, screen, and separation process mechanical integration; process equipment installation and mechanical layout design; design of machinery and repairs to large mechanical equipment; and retrofit of mechanical systems for plant expansions or improvements.
  • Project management: planning, coordinating, and executing projects. Help ensure project milestones are met and provide regular updates to team members and clients.
  • Field presence: construction observation and surveying as needed. Serve as lead mechanical engineer or project manager for large capital projects within industries.

About the opportunity
  • Hybrid: a hybrid work arrangement may be considered for this position. A hybrid work arrangement refers to splitting time worked between a Barr office and a home office. This position will be based out of Barr's Jefferson City, Missouri, office.
  • Travel expectation: up to 15% domestic fieldwork, with an average of one day every two weeks during projects to verify dimensions and project progress.
  • Work environment: ability to work in locations that include rough terrain typical of construction outdoor sites with limited accessibility and moving machinery. Candidates must be able to perform job duties with or without reasonable accommodation.

About you - required core competencies
  • Education: Bachelor's degree in mechanical engineering degree from an accredited university or a related field with academic coursework focused on mechanical.
  • Experience: internship or 1 year of relevant experience.
  • Willingness and ability to regularly travel.
  • Software: familiarity with AutoCAD, Microsoft Office software, and computer simulation modeling.
  • Driver's license: possession of a current, valid driver's license and acceptable driving record.
  • Must be legally authorized to work in the United States without the need for sponsorship by Barr, now or in the future.

Helpful additional experience (not required)
  • Professional Engineer (PE) certification strongly preferred or ability to obtain.

Compensation: anticipated range of $73,000-$85,000 annually. Compensation will vary based on relevant experience, education, skill level, and other compensable factors. Employees in this position may also be eligible for a discretionary cash bonus based on team and individual performance. This position is classified as exempt (salaried) under the Fair Labor Standards Act.
#LI-Hybrid #Handshake
Benefits - what we offer
We are committed to providing an employee experience that attracts and retains top talent. That's why we offer a competitive package of employee benefits - including some unique offerings not found at other companies. At Barr, we also believe that learning doesn't stop when you get your degree, which is why we provide coaching, mentoring, and support for ongoing educational opportunities to foster professional development at every stage of your career.
  • Competitive, affordable insurance plans: Medical, dental, vision, life, disability, accidental death insurance, and flexible spending accounts for medical and dependent care
  • Retirement benefits: 401(k) retirement savings plan with company contribution and an Employee Stock Ownership Plan (ESOP) with company contribution in Barr stock
  • Profit distribution: Barr has a "no retained earnings" model and distributes all profit to our employees through our annual bonus distribution plan, ESOP, and dividends to shareholders
  • Professional development benefits: Annual time and expense allowances, mentorship program, and many internal training opportunities
  • Work/life balance: Paid time off, holidays, overtime for non-exempt/hourly staff, and compensatory time for exempt/salaried staff (time off or pay for extra time worked), paid family leave
  • Wellness focus: Ergonomic analysis and equipment, Personal Protective Equipment allowance, wellbeing-focused educational opportunities

Please note that benefits eligibility is determined and may change based on part-time, reduced-time, or full-time status.
About us - why choose Barr
At Barr, you'll join a community of engineers, scientists, and professionals who will help you achieve your ambitions and build a meaningful, rewarding career. You'll serve as a trusted advisor to clients who value Barr's tailored solutions and commitment to exceptional service.
As part of our employee-owned firm, you'll contribute to a culture of commitment and camaraderie where staff can thrive as professionals. We value diverse perspectives and experiences and believe an inclusive workplace is critical to our success.
To learn more about Barr's culture and values, visit: ;br>
Open positions at Barr Engineering Co. do not have application deadlines. Barr Engineering Co. is an equal opportunity employer, and all applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or status as a protected veteran.

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