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Senior Process Engineer Jobs in Rancho Cucamonga, CA

Esri

Sr. Process Improvement Consultant

Redlands, CA

The Senior Process Improvement Consultant is a master practitioner and leader within the internal ... Experience with Agile, Lean, and DevOps methodologies * Strong documentation and diagramming skills

SIFCO Industries

Process Engineer Orange

Orange, CA · On-site

$66K - $99K/yr

Act as Engineering representative for Root Cause investigations and solutions, process improvement projects; Lean, Six Sigma, 6S and Kaizen. * Must contribute to a positive work environment.

SIFCO Industries

Process Engineer Orange

Orange, CA · On-site

Act as Engineering representative for Root Cause investigations and solutions, process improvement projects; Lean, Six Sigma, 6S and Kaizen. * Must contribute to a positive work environment.

Esri

Sr. Process Improvement Consultant

Redlands, CA · On-site

The Senior Process Improvement Consultant is a master practitioner and leader within the internal ... Experience with Agile, Lean, and DevOps methodologies * Strong documentation and diagramming skills

Fender

Sr. Manager, Engineering

Corona, CA

We are currently searching for a Sr. Manager, Engineering to join our team in Corona, CA. Essential ... Drive process design to ensure sustainability, continuous improvement and process stability. Lead ...

New

Fender

Sr. Manager, Engineering

Corona, CA · On-site

We are currently searching for a Sr. Manager, Engineering to join our team in Corona, CA. Essential ... Drive process design to ensure sustainability, continuous improvement and process stability. Lead ...

New

Zimmer, Inc.

Manufacturing Sr Engineer I

Riverside, CA · On-site

$94K - $129K/yr

What You Can Expect The senior manufacturing engineer is responsible for providing manufacturing ... Engineering services may include cell management, process development, project management, process ...

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All JobsProcess Engineer JobsSenior Process Engineer JobsSenior Process Engineer Jobs in Rancho Cucamonga, CA

Senior Process Engineer information

See Rancho Cucamonga, CA salary details

$76.6K

$123.8K

$174.2K

How much do senior process engineer jobs pay per year?

As of Jul 19, 2026, the average yearly pay for senior process engineer in Rancho Cucamonga, CA is $123,771.00, according to ZipRecruiter salary data. Most workers in this role earn between $106,300.00 and $137,400.00 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 does a Senior Process Engineer do?

A Senior Process Engineer is responsible for designing, optimizing, and overseeing processes within manufacturing or production environments. They analyze workflows, troubleshoot issues, and implement improvements to increase efficiency, safety, and product quality. Senior Process Engineers often lead projects, mentor junior engineers, and collaborate with cross-functional teams to ensure operational excellence. Their expertise is vital in industries like chemicals, pharmaceuticals, oil and gas, and food processing.

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 job categories do people searching Senior Process Engineer jobs in Rancho Cucamonga, CA look for? The top searched job categories for Senior Process Engineer jobs in Rancho Cucamonga, CA are:
What cities near Rancho Cucamonga, CA are hiring for Senior Process Engineer jobs? Cities near Rancho Cucamonga, CA with the most Senior Process Engineer job openings:
Senior Process Engineer jobs near you
Infographic showing various Senior Process Engineer job openings in Rancho Cucamonga, CA as of July 2026, with employment types broken down into 2% Locum Tenens, 88% Full Time, 8% Part Time, and 2% Contract. Highlights an 87% Physical, 4% Hybrid, and 9% Remote job distribution, with an average salary of $123,771 per year, or $59.5 per hour.
Production Process Engineer

Production Process Engineer

McKenna Labs, Inc

Fullerton, CA • On-site

$71K - $85K/yr

Full-time

Medical, Dental, Vision, Life, Retirement

Re-posted 14 hours ago

Job description

McKenna Labs is a full-service contract manufacturing company that specializes in hair, skin and body care products. We've been in the personal care development and manufacturing industry since 1998. We are seeking a Production Process Engineer. This is an ideal role for a recent graduate or engineer early in their career looking to gain hands-on experience in a regulated manufacturing environment.

Summary

The Production Process Engineer supports the development and optimization of filling and packaging processes used in the manufacturing of personal care and OTC drug products. This role focuses on filling technologies for low- to high-viscosity liquids and semi-liquids while ensuring compliance with cGMP, FDA requirements, and customer specifications in a high-mix, fast-paced manufacturing environment. Emphasis on enhancement of efficiency, reduction of costs, and improvement of product quality and safety. Key responsibilities include conducting risk assessments, testing and monitoring equipment, updating current system processes, and ensuring product compliance.

Key Responsibilities include:

  • Carry out responsibilities in compliance with company policies, work procedures, and federal, state and local laws. Comply with Good Manufacturing Practices (GMPs), and health and safety rules and regulations

Packaging Process Development & Support

  • Assist in the development and improvement of filling and packaging processes for personal care and OTC products.
  • Support production line setups, changeovers, trials, start-ups, first production runs and validations.
  • Establish critical process parameters to ensure fill accuracy, repeatability, product integrity, and waste reduction.
  • Review and support process validation needs as necessary.

Packaging Equipment & Line Optimization

  • Drive continuous improvement initiatives to improve throughput, OEE, and changeover efficiency while reducing scrap.
  • Troubleshoot fill weight variation, foaming, leakage, torque issues, and component compatibility challenges.
  • Provide engineering support for filling lines, including fillers, cappers/torquers, induction sealers, labelers, conveyors, etc.
  • Specify and support installation and qualification (IQ/OQ/PQ) of filling and capping equipment.
  • Support cost-saving projects related to packaging materials and processes.
  • Collaborate with Operations and Quality leaders to identify potential areas of process and product variability, address root causes and implement improvements to ensure the flow of quality products through the supply chain.

Compliance & Documentation

  • Develop and maintain SOPs, work instructions, process flow diagrams and documentation for filling operations.
  • Support deviation investigations, CAPAs, and change controls related to filling and packaging processes.
  • Assist with packaging specifications, bills of materials (BOMs), and validation documentation.
  • Ensure compliance with cosmetic regulations, OTC labeling, fill volume requirements, product integrity, safety standards, and internal quality systems.

Cross-Functional Support

  • Collaborate with Production to support daily filling and packaging operations.
  • Collaborate with Quality to ensure filling and packaging processes meet GMP and quality standards.
  • Champion training of Operators and Mechanics on new or modified filling processes and equipment.
  • Support Sales, Account Management, Purchasing, and R&D with new product introductions and packaging changes
  • Assist in coordinating activities with packaging suppliers and vendors.
  • Contribute to an environment in which all team members are respected regardless of their individual differences.
  • Maintain a positive and productive relationship with co-workers and others with whom the position may have contact.
  • Perform other duties as assigned.


Requirements


To fulfill requirements of job successfully, an individual must be able to perform each essential duty satisfactorily. The requirements listed below are representative of the knowledge, skill, and/or ability required. Reasonable accommodation may be made to enable individuals with disabilities to perform the essential functions.

  • Bachelor’s degree in Engineering (Packaging, Mechanical, Industrial, Chemical) or a related field.
  • 1-2 years of experience in manufacturing, packaging, or engineering (internships experience acceptable).
  • Experience in personal care, cosmetics, food, or pharmaceutical manufacturing is a plus, but not required.
  • Basic understanding of manufacturing or packaging processes.
  • Strong technical documentation, problem-solving, and communication skills.
  • Ability to work effectively in a team environment.
  • Proficiency with Microsoft Office (Outlook, Excel, Word, PowerPoint, Visio).
  • Fluency in English required. Bilingual proficiency in Spanish is a strong differentiator.
  • Must be able to work in person onsite, including the flexibility to support off-shift production, weekend operations, and production trials or launches.
Physical Demands and Work Environment


The physical demands and work environment characteristics described here are representative of those an employee encounters while performing the essential functions of this job. Reasonable accommodation may be made to enable individuals with disabilities to perform the essential functions.

  • Work is performed primarily in an active production environment with exposure to moving mechanical equipment and varying temperatures and humidity. The noise level is usually moderate.
  • Regularly required to stand, walk, sit, reach with hands and arms and occasionally stoop, kneel, and crouch. Specific vision abilities required include close vision, depth perception, and ability to adjust focus.
  • Required to wear all assigned PPE, which may include safety glasses or goggles, hearing protection, gloves, hairnets, beard covers, lab coats or smocks, slip-resistant footwear, and respiratory protection where required.


The compensation range for this role is $71,000 - $85,600 per year. Compensation is commensurate with level of knowledge, education, skills, and experience applicable to the position.

We understand that each team member’s situation is unique, and so it is our intent to offer an overall benefits package that can be shaped and molded by each individual to fit their family’s needs. Our current benefits package, which is available to all full-time team members, includes medical, dental, vision insurance, 401k retirement plan, flexible spending accounts, life and disability coverage, and other voluntary benefits.

We want everyone to feel welcome, respected and we are committed to providing the best space, experience and workplace for our teams – no matter what race, color, religion, sex, sexual orientation, gender identify, national origin, veteran or disability status and all the other fascinating characteristics that make us different.

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