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Senior Chemical Process Engineer Jobs in Rancho Cucamonga, CA

Manufacturing Engineer

Fontana, CA · On-site

$105K - $115K/yr

Chemical Guys (CG) is more than a brand. It's a lifestyle with a worldwide following driven by ... This role serves as the technical and process engineering partner to Production, leading ...

Manufacturing Engineer

Fontana, CA · On-site

$105K - $115K/yr

Chemical Guys (CG) is more than a brand. It's a lifestyle with a worldwide following driven by ... This role serves as the technical and process engineering partner to Production, leading ...

... chemical handling proceduresCollaborate with Production and Engineering teams to support workflow, quality initiatives, and process improvement activitiesPerform additional duties as assigned to ...

Adhere to all company safety policies, PPE requirements, and chemical handling procedures * Collaborate with Production and Engineering teams to support workflow, quality initiatives, and process ...

Adhere to all company safety policies, PPE requirements, and chemical handling procedures * Collaborate with Production and Engineering teams to support workflow, quality initiatives, and process ...

Sr. Materials Engineer

Riverside, CA · On-site

$115K - $130K/yr

... Chemical Engineering, or Material Science Engineering . Training and Experience If a BA in ... Understanding of material chemistry, rheology, and ink processing. * Working knowledge of ...

Showing results 21-40

Senior Chemical Process Engineer information

See Rancho Cucamonga, CA salary details

$93.5K

$128.4K

$159.9K

How much do senior chemical process engineer jobs pay per year?

As of Sep 6, 2026, the average yearly pay for senior chemical process engineer in Rancho Cucamonga, CA is $128,436.00, according to ZipRecruiter salary data. Most workers in this role earn between $115,000.00 and $138,000.00 per year, depending on experience, location, and employer.

What is a senior chemical process engineer?

Senior Chemical Process Engineers are experienced professionals who design, develop, and optimize chemical processes used in manufacturing. They lead projects, oversee process safety and efficiency, and mentor junior engineers. Their work ensures that industrial chemical operations are cost-effective, environmentally friendly, and comply with regulations. Senior Chemical Process Engineers often collaborate with multidisciplinary teams and play a key role in troubleshooting and continuous improvement initiatives.

How do senior chemical process engineers typically collaborate with cross-functional teams during large-scale projects?

Senior Chemical Process Engineers frequently work alongside professionals from disciplines like mechanical engineering, instrumentation, safety, and project management. They play a key role in translating process requirements into actionable engineering solutions and ensure process integration aligns with overall project goals. Regular meetings, detailed documentation, and clear communication are essential, as these engineers often lead technical discussions, resolve interdisciplinary challenges, and coordinate between design, operations, and quality assurance teams to drive projects forward efficiently.

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

To thrive as a Senior Chemical Process Engineer, you need a strong background in chemical engineering principles, process design, and problem-solving, typically supported by a bachelor's or master's degree in chemical engineering. Familiarity with process simulation software (such as Aspen Plus or HYSYS), plant safety standards, and relevant certifications (like Professional Engineer licensure) is highly valuable. Strong analytical thinking, leadership, and effective communication skills help drive project success and lead cross-functional teams. These skills and qualities are crucial for optimizing manufacturing processes, ensuring safety, and delivering cost-effective solutions in complex industrial environments.

What is the difference between Senior Chemical Process Engineer vs Chemical Process Engineer?

AspectSenior Chemical Process EngineerChemical Process Engineer
Required CredentialsBachelor's or Master's in Chemical Engineering; 5+ years experienceBachelor's in Chemical Engineering; entry to 2 years experience
Work EnvironmentDesign, optimization, and supervision in manufacturing or R&D facilitiesAssist in process design, testing, and operation in manufacturing plants
Employer & Industry UsageManufacturing, oil & gas, pharmaceuticals, chemicalsSimilar industries, often as entry-level or mid-level roles

The main difference between a Senior Chemical Process Engineer and a Chemical Process Engineer lies in experience, responsibilities, and seniority. Senior engineers typically lead projects, oversee teams, and have more advanced expertise, while chemical process engineers focus on supporting process design and operation. Both roles are essential in chemical manufacturing and related industries, but senior positions require more experience and leadership responsibilities.

What are popular job titles related to Senior Chemical Process Engineer jobs in Rancho Cucamonga, CA?

For Senior Chemical Process Engineer jobs in Rancho Cucamonga, CA, the most frequently searched job titles are:

What job categories do people searching Senior Chemical Process Engineer jobs in Rancho Cucamonga, CA look for?

The top searched job categories for Senior Chemical Process Engineer jobs in Rancho Cucamonga, CA are:

What cities near Rancho Cucamonga, CA are hiring for Senior Chemical Process Engineer jobs?

Cities near Rancho Cucamonga, CA with the most Senior Chemical Process Engineer job openings:

Infographic showing various Senior Chemical Process Engineer job openings in Rancho Cucamonga, CA as of August 2026, with employment types broken down into 1% As Needed, 78% Full Time, 18% Part Time, 2% Contract, and 1% Nights. Highlights an 92% Physical, 2% Hybrid, and 6% Remote job distribution, with an average salary of $128,436 per year, or $61.7 per hour.

Senior Materials and Process Engineer (Onsite)

Raytheon Technologies

Riverside, CA • On-site

$108K - $140K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Re-posted 10 days ago


RTX rating

8.2

Company rating: 8.2 out of 10

Based on 86 frontline employees who took The Breakroom Quiz

38th of 72 rated aerospace companies


Job description

Date Posted:

2026-08-04

Country:

United States of America

Location:

US-CA-RIVERSIDE-8200B1 ~ 8200 Arlington Ave ~ BLDG B1

Position Role Type:

Onsite

U.S. Citizen, U.S. Person, or Immigration Status Requirements:

This job requires a U.S. Person. A U.S. Person is a lawful permanent resident as defined in 8 U.S.C. 1101(a)(20) or who is a protected individual as defined by 8 U.S.C. 1324b(a)(3). U.S. citizens, U.S. nationals, U.S. permanent residents, or individuals granted refugee or asylee status in the U.S. are considered U.S. persons. For a complete definition of "U.S. Person" go here. https://www.ecfr.gov/current/title-22/chapter-I/subchapter-M/part-120/subpart-C/section-120.62

Security Clearance Type:

None/Not Required

Security Clearance Status:

Not Required

At RTX, the world's largest aerospace and defense company, 185,000 great minds are united by purpose and inspired to make a difference solving the world's most complex problems. With our three market leading businesses, world-class operations and investments in research and development, we offer capabilities and opportunity no one else can. Together, we push the boundaries of known science and find new ways to connect and protect our world.

Collins Aerospace is a leader in technologically advanced, intelligent solutions that help redefine the aerospace and defense industry. With a comprehensive portfolio and deep technical expertise, we help customers meet the demands of the global market. Join us and help shape the future of aerospace and defense.

Collins Aerospace is seeking a Senior Materials & Processes Engineer who will provide support in composites, structural adhesives, and other organic materials used in nacelle applications. In this role, you will create and maintain materials and process specifications, deliver timely technical support to program design teams, and resolve complex questions from Operations and suppliers. You will also support the engineering materials catalog, lead special process supplier qualifications, and contribute to cross-functional problem-solving and continuous improvement initiatives.

What You Will Do:

  • Develop technical solutions to a wide range of difficult problems requiring creativity, sound judgment, and alignment with program objectives.
  • Create, maintain, and approve materials and process specifications for composites, prepregs, and structural adhesives.
  • Lead special-process supplier qualifications and audits.
  • Conduct root cause investigations and develop corrective/preventive actions for process failures or quality issues.
  • Serve as a technical contact for external customers and suppliers; deliver technical presentations.
  • Develop qualifications, certification, and acceptance material property values.
  • Lead small technical teams and mentor early-career engineers.
  • Drive CORE MFA, and SPQDC initiatives.
  • Travel up to 20% domestically and internationally.

Qualifications You Must Have:

  • Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) and minimum 5 years prior relevant experience or an Advanced Degree in a related field and minimum 3 years of experience.
  • Experience with composites, prepregs, structural adhesives, and aerospace organic/metallic materials.
  • Experience with technical writing (specifications, test plans, and reports).
  • Experience with MS Word and Excel.

Qualifications We Prefer:

  • Aerospace manufacturing experience (nacelle products preferred).
  • Experience with SAP and Teamcenter.
  • Continuous improvement background (CORE, Lean, Six Sigma).
  • Effective communication of complex technical concepts to internal and external customers.

What We Offer:

Benefits:

Some of our competitive benefits package includes:

  • Medical, dental, and vision insurance
  • Three weeks of vacation for newly hired employees
  • Generous 401(k) plan that includes employer matching funds and separate employer retirement contribution, including a Lifetime Income Strategy option
  • Tuition reimbursement program
  • Student Loan Repayment Program
  • Life insurance and disability coverage
  • Optional coverages you can buy pet insurance, home and auto insurance, additional life and accident insurance,critical illnessinsurance, group legal, ID theft protection
  • Birth, adoption, parental leave benefits
  • Ovia Health, fertility, and family planning
  • Adoption Assistance
  • Autism Benefit
  • Employee Assistance Plan, including up to 10 free counseling sessions
  • Healthy You Incentives, wellness rewards program
  • Doctor on Demand, virtual doctor visits
  • Bright Horizons, child and elder care services
  • Teladoc Medical Experts, second opinion program
  • And more!

This role may be eligible for relocation.

Learn More & Apply Now!

Collins Aerospace makes modern flight possible. Of course, that wouldn't be possible without the capabilities and technologies of our organization, as well as our engineers - a highly skilled, accomplished network that spans more than 180 sites, 24 countries and 6 Strategic Business Units (SBUs).

Our industry-leading experts are setting the standards for the aerospace industry and paving the way for the future. But as new challenges present themselves, we need fresh, creative and motivated minds to overcome these hurdles, help us break barriers and achieve new levels of innovation. Do you have what it takes to join a global organization that doesn't shy away from big opportunities? If so, we invite you to join our ranks and create the next generation of aerospace technologies.

Together, we will nurture an engineering culture that values intellectual curiosity, risk takers and integrity. A place where we will challenge ourselves, our teams, and the status quo and where we will work to find a way - the right way - to achieve what others can only dream of.

Onsite: Employees who are working in Onsite roles will work primarily onsite. This includes all production and maintenance employees, as they are essential to the development of our products.

At Collins, the paths we pave together lead to limitless possibility. And the bonds we form - with our customers and with each other -- propel us all higher, again and again.

Apply now and be part of the team that's redefining aerospace, every day.

As part of our commitment to maintaining a secure hiring process, candidates may be asked to attendselect steps of the interview process in-person at one of our office locations, regardless of whether the role is designated as on-site, hybrid or remote.

The salary range for this role is 95,500 USD - 181,700 USD. The salary range provided is a good faith estimate representative of all experience levels. RTX considers several factors when extending an offer, including but not limited to, the role, function and associated responsibilities, a candidate's work experience, location, education/training, and key skills.Hired applicants may be eligible for benefits, including but not limited to, medical, dental, vision, life insurance, short-term disability, long-term disability, 401(k) match, flexible spending accounts, flexible work schedules, employee assistance program, Employee Scholar Program, parental leave, paid time off, and holidays. Specific benefits are dependent upon the specific business unit as well as whether or not the position is covered by a collective-bargaining agreement.Hired applicants may be eligible for annual short-term and/or long-term incentive compensation programs depending on the level of the position and whether or not it is covered by a collective-bargaining agreement. Payments under these annual programs are not guaranteed and are dependent upon a variety of factors including, but not limited to, individual performance, business unit performance, and/or the company's performance.This role is a U.S.-based role. If the successful candidate resides in a U.S. territory, the appropriate pay structure and benefits will apply.RTX anticipates the application window closing approximately 40 days from the date the notice was posted. However, factors such as candidate flow and business necessity may require RTX to shorten or extend the application window.

RTX is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability or veteran status, or any other applicable state or federal protected class. RTX provides affirmative action in employment for qualified Individuals with a Disability and Protected Veterans in compliance with Section 503 of the Rehabilitation Act and the Vietnam Era Veterans' Readjustment Assistance Act.

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About RTX

Sourced by ZipRecruiter

Industry

Guided missile and space vehicle manufacturing, it services, aerospace product and parts manufacturing and engineering professional services

Company size

10,000+ Employees

Headquarters location

Waltham, MA, US

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