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Process Chemist Jobs in Riverside, CA (NOW HIRING)

Tentamus California

Analytical Chemist

Irvine, CA · On-site

$65K - $85K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

The Analytical Chemist will be responsible for conducting qualitative and quantitative chemical ... Participate in corrective action process. * Ensure the safe and efficient use of laboratory ...

Tentamus California

Analytical Chemist

Irvine, CA · On-site

$65K - $85K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Participate in corrective action process.Ensure the safe and efficient use of laboratory equipment ... Bachelor's degree in chemistry, biology, or related science field3 -5 years of experience in a ...

Cypress HCM

Production Chemist

Irvine, CA

$31/hr

The Chemist will formulate products and intermediates utilizing biologicals and chemicals of ... Monitors manufacturing processes and performs adjustments when necessary to meet required yields.

LGM Pharma, LLC

ATS CHEMIST III

Irvine, CA · On-site

$34 - $38/hr

Perform and/or assist with analytical testing of raw materials, in-process samples, and finished ... Bachelor's degree in chemistry or related discipline. * 5+ plus years' experience in a chemistry ...

Optiq Health Labs

Analytical Chemist

Santa Ana, CA · On-site

Prepare, process, and analyze cannabis compliance samples. * Operate laboratory instruments and ... Bachelor's degree in chemistry, biochemistry, biology, chemical engineering, or a related field.

LGM Pharma, LLC

ATS CHEMIST II

Irvine, CA · On-site

$30 - $34/hr

  • Medical

  • Dental

  • Vision

  • Retirement

Perform and/or assist with analytical testing of raw materials, in-process samples, and finished ... Bachelors degree in chemistry or related discipline. * 2+ years experience in a chemistry ...

Certified Group

Analytical Chemist

Tustin, CA

  • Medical

  • Dental

  • Life

  • Retirement

Perform sample processing in accordance with standard operating procedures. * Perform sample ... Provide training to new chemists when needed. * Other duties as required. MINIMUM QUALIFICATIONS

Certified Group

Analytical Chemist

Tustin, CA

Perform sample processing in accordance with standard operating procedures. * Perform sample ... Provide training to new chemists when needed. * Other duties as required. MINIMUM QUALIFICATIONS

Excelsior Nutrition Inc

Chemist Quality Control

Anaheim, CA · On-site

$20 - $38/hr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Develop, improve and customize equipment, products, formulas, analytical methods, and processes ... Master's degree in Chemistry, Chemical Engineering, Biochemistry, Biomedical or related field is ...

Certified Group

Analytical Chemist

Tustin, CA · On-site

  • Medical

  • Dental

  • Life

  • Retirement

Perform sample processing in accordance with standard operating procedures. * Perform sample ... Provide training to new chemists when needed. * Other duties as required. MINIMUM QUALIFICATIONS

LGM Pharma, LLC

ATS CHEMIST III

Irvine, CA · On-site

$34 - $38/hr

  • Medical

  • Dental

  • Vision

  • Retirement

Perform and/or assist with analytical testing of raw materials, in-process samples, and finished ... Bachelor's degree in chemistry or related discipline. * 5+ plus years' experience in a chemistry ...

Philips

Manager, QC Lab/Process Control Chemist

Ontario, CA · On-site

$103K - $143K/yr

  • Retirement

  • PTO

Job Title Manager, QC Lab/Process Control Chemist In this role you You will manage the Chemical Laboratory to assure compliance to GMP requirements per FDA QSR 21 CFR 820, Cosmetics GMP, EU Cosmetics ...

Philips

Manager, QC Lab/Process Control Chemist

Ontario, CA · On-site

$103K - $143K/yr

  • Retirement

  • PTO

Job TitleManager, QC Lab/Process Control Chemist In this role you You will manage the Chemical Laboratory to assure compliance to GMP requirements per FDA QSR 21 CFR 820, Cosmetics GMP, EU Cosmetics ...

Kelly Services

Chemist II/III

Mission Viejo, CA

$35 - $40/hr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

Chemist II/III Location : Mission Viejo, CA Duration :6 months (Contract-to-Hire) Rate : $35-40/hr ... Prioritizes the sampling, testing and paperwork related to raw materials and in-process products.

Bio-Rad Laboratories

Production Chemist III

Irvine, CA · On-site

  • Medical

  • Life

  • Retirement

  • PTO

Monitors manufacturing processes and performs adjustments when necessary to meet required yields ... Lead Chemist experience preferred. * Must be experienced in using ERP systems- SAP a plus.

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Showing results 1-20

All JobsProcess Chemist JobsProcess Chemist Jobs in Riverside, CA

Process Chemist information

See Riverside, CA salary details

$42.8K

$88.5K

$136.7K

How much do process chemist jobs pay per year?

As of Aug 13, 2026, the average yearly pay for process chemist in Riverside, CA is $88,450.00, according to ZipRecruiter salary data. Most workers in this role earn between $61,600.00 and $109,500.00 per year, depending on experience, location, and employer.

What is a process chemist?

Process chemists are specialized scientists who develop, scale up, and optimize chemical processes for manufacturing products, such as pharmaceuticals, agrochemicals, and specialty chemicals. They work to ensure that these processes are efficient, cost-effective, and safe for large-scale production. Process chemists collaborate closely with chemical engineers and production teams to transition laboratory methods to industrial-scale operations, while also addressing environmental and regulatory requirements.

What is the difference between Process Chemist vs Analytical Chemist?

AspectProcess ChemistAnalytical Chemist
CredentialsBachelor's or Master's in Chemistry or Chemical EngineeringBachelor's or Master's in Chemistry or related field
Work EnvironmentManufacturing plants, production facilitiesLaboratories, research settings
Industry UsagePharmaceuticals, chemicals, manufacturingPharmaceuticals, environmental testing, quality control
Job FocusOptimizing production processes, scale-up, process improvementsAnalyzing samples, testing, method development

While both roles require a chemistry background, a Process Chemist focuses on manufacturing processes and scaling production, whereas an Analytical Chemist specializes in testing and analyzing samples to ensure quality and compliance. The roles often overlap in industries like pharmaceuticals and chemicals but differ in daily tasks and focus areas.

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

To thrive as a Process Chemist, you need a solid background in chemistry or chemical engineering, typically with a bachelor's or master's degree in a related field. Proficiency with laboratory instruments, process simulation software, and familiarity with safety and regulatory standards are commonly required. Strong problem-solving abilities, attention to detail, and effective teamwork and communication skills help distinguish successful candidates. These competencies ensure safe, efficient process development and scale-up, which are critical for producing high-quality chemical products.

How much do process chemists make in the US?

Process chemists in the US typically earn a median annual salary of around $70,000 to $90,000, with experienced professionals and those working in specialized industries earning higher. Salaries can vary based on education, experience, location, and the complexity of processes they manage.

What are some common challenges faced by process chemists when transferring a chemical process from the lab to full-scale manufacturing?

Process Chemists often encounter challenges when scaling up a reaction from the laboratory to production scale, such as maintaining product quality, ensuring safety, and optimizing yields. Variables like mixing, temperature control, and raw material variability can behave differently at larger volumes, requiring careful adjustment and troubleshooting. Close collaboration with chemical engineers, safety specialists, and production staff is essential to address these issues and ensure a smooth, efficient, and compliant manufacturing process.
What cities near Riverside, CA are hiring for Process Chemist jobs? Cities near Riverside, CA with the most Process Chemist job openings:
Process Chemist jobs near you
Infographic showing various Process Chemist job openings in Riverside, CA as of August 2026, with employment types broken down into 2% Internship, 76% Full Time, 9% Part Time, 2% Temporary, and 11% Contract. Highlights an 98% In-person, and 2% Remote job distribution, with an average salary of $88,450 per year, or $42.5 per hour.

Analytical Chemist

Tentamus California

Irvine, CA • On-site

$65K - $85K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

This job post has expired today. Applications are no longer accepted.

Job description

Immerse yourself in the vibrant, innovative environment of Tentamus California in Irvine!
We're seeking an Analytical Chemist to join our growing Tentamus Team! We're looking for someone who not only embodies boundless enthusiasm for scientific discovery but also thrives on collaboration, creativity, and problem-solving. If you're ready to make a meaningful real-world impact, we can't wait to welcome you aboard!
How you will excel as part of our team:
The Analytical Chemist will be responsible for conducting qualitative and quantitative chemical analyses on various substances to support research, development, and quality control activities under the direction of the Laboratory General Manager.
Main duties include:
  • Executing established laboratory chemistry procedures to provide accurate and prompt chemistry data to clients.
  • Perform analytical chemistry testing using various instrumentation such as: GCFID, HPLC, ICPMS, GCMSMS
  • Assist, oversee, and mentor Lab Techs to help them advance in their chemistry career.
  • Reviewing and approving QC data within parameters of precision and accuracy.
  • Maintaining complete and accurate chemistry documentation of activities in compliance with the Quality System.
  • Preparing stock standards and reagents as needed, performing dilutions of samples and solutions, weighing stock compounds, preparing standard and fortification solutions, and calibrating preparation of primary analytical methods.
  • Perform routine maintenance and follow preventative maintenance schedules on various instrumentation.
  • Notifying chemistry supervisor and taking appropriate actions for non-conformances. Participate in corrective action process.
  • Ensure the safe and efficient use of laboratory equipment and chemicals.

Position Type & Expected Schedule
Full-Time | M - F 7AM-4PM / 8AM-5PM | Some weekend/holiday hours required
To flourish as an Analytical Chemist, you'll need:
Our ideal candidate will be authorized to work in the United States indefinitely without restriction or sponsorship, possess a combination of technical skills, attention to detail, and a strong work ethic. Other qualifications include:
  • Bachelor's degree in chemistry, biology, or related science field
  • 3 -5 years of experience in a commercial lab setting. Experience in testing supplements and nutraceticals is a plus!
  • Hands-on experience with analytical techniques such as chromatography, spectroscopy, and wet chemistry methods.
  • GC and GCMSMS experience highly preferred.
  • Comfortability with applying tests from USP and FCC monographs
  • Proficiency in data analysis software (e.g., ChemStation, Empower) and Microsoft Office Suite.
  • Strong attention to detail and ability to follow standard operating procedures.
  • Excellent communication skills, both written and verbal.
  • Ability to work independently and collaborate effectively in a team environment.
  • Knowledge of Good Laboratory Practices (GLP) and regulatory requirements is desirable.

What's in it for you?
Annual Salary between $65,000 - $85,000, comprehensive and low-cost benefit plans (medical, dental, vision, disability, life insurance) Ample PTO and 40 hours of sick time per CA state law, and a matching 401k.
Work Environment & Physical Requirements
This job operates in an analytical laboratory environment with exposure to chemicals and analytical instrumentation. This role routinely uses standard lab equipment such as beakers, test tubes, flasks, thermometers, and computers, among other instruments. While performing the essential duties of this job, the employee is regularly required to use hands and fingers to hold or feel, reach with hands and arms, talk, and hear. The employee is occasionally required to sit, stand; climb or balance; and stoop, kneel, crouch or crawl. The employee must frequently lift and/or move up to 10 pounds and occasionally lift and/or move up to 25 pounds. Specific vision abilities required by this job include close vision, distance vision, color vision, peripheral vision, depth perception, and ability to adjust focus.
About Tentamus:
Labs for Life®. We are a global network of full-service accredited analytical laboratories providing crucial quality and safety analysis for clients locally, nationally, and beyond using proven methods of chemistry and microbiology. Many of the products you use and consume daily rely on Tentamus labs. With 20 labs in North America and growing (100 globally), we celebrate having talented diverse scientific and service-oriented professionals.
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