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Weekend Chemistry Jobs in Riverside, CA (NOW HIRING)

Overview Responsible for reviewing the Chemistry workflow and assumes responsibility for results reported under his/her supervision. Responsible for maintaining the supplies and reagents in the ...

Responsible for reviewing the Chemistry workflow and assumes responsibility for results reported under his/her supervision. Responsible for maintaining the supplies and reagents in the department.

Overview Responsible for reviewing the Chemistry workflow and assumes responsibility for results reported under his/her supervision. Responsible for maintaining the supplies and reagents in the ...

Perform chemistry testing of raw materials, in-process samples, final products, validation-related samples, and critical utility samples using appropriate analytical techniques. * Participate in or ...

Chemist/ Jr Lab Technician

Pomona, CA · On-site

$22 - $29.50/hr

Bachelor's degree (BS or BA) in Chemistry, Biology, Biochemistry, or a related Life Sciences field ... Willingness to work overtime and weekends when required. Preferred Qualifications: * Experience ...

HPTLC Chemist

Irvine, CA · On-site

$65K - $78K/yr

The schedule is M-F 9AM - 5PM with the occasional weekends required. WHAT'S IN IT FOR YOU? Tentamus ... Chemistry, Microbiology, or related life science and/or with experience in analytical laboratory ...

Chemist

Corona, CA · On-site

$31.25 - $43.27/hr

This role sits at the intersection of formulation chemistry, quality control, and process support. You will work closely with engineering, production, and R&D to ensure our elastomer compounds meet ...

Chemist I

Irvine, CA · On-site

$38 - $40/hr

Execute QC chemistry testing using recognized compendial methods and standards (e.g., USP, EP, and other applicable pharmacopeias) to support routine manufacturing activities, method development, and ...

QC Chemist

Anaheim, CA · On-site

$30 - $40/hr

Spectroscopic and wet chemistry testing will be performed independently. Participates in method qualifications and lab investigations. Responsibilities: * Independently execute QC chemistry testing ...

Responsibilities As a Chemistry Lab Technician II, you will perform laboratory testing and provide support for analytical chemistry operations, including preparation of samples, maintenance of ...

Chemistry Lab Technician II

Irvine, CA · On-site

$24.01 - $30.14/hr

Responsibilities As a Chemistry Lab Technician II, you will perform laboratory testing and provide support for analytical chemistry operations, including preparation of samples, maintenance of ...

Bachelor's degree in Chemistry, Materials Science, Chemical Engineering, or a related field. * Experience: 2 to 5 years of relevant industry experience in composites, polymers, paints, coatings, or ...

QC Chemistry Assoc II- IPC

Irvine, CA · On-site

$25.68 - $30.82/hr

Bachelor's degree in Chemistry, Biology, Biochemistry, Microbiology, or related field strongly preferred * 1-2 years of relevant laboratory experience * Ability to work on-site and flexible schedules ...

Production Chemist This is an exciting opportunity to join a global, industry leading company. The Chemist will formulate products and intermediates utilizing biologicals and chemicals of varying ...

Labstat - A global leader in contract research and testing for nicotine, tobacco, cannabis, hemp, and next-generation products, with deep expertise in analytical chemistry and toxicology. * EAS ...

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Showing results 1-20

Weekend Chemistry information

See Riverside, CA salary details

$14

$23

$33

How much do weekend chemistry jobs pay per hour?

As of Jun 13, 2026, the average hourly pay for weekend chemistry in Riverside, CA is $23.22, according to ZipRecruiter salary data. Most workers in this role earn between $19.04 and $25.58 per hour, depending on experience, location, and employer.

What are some unique challenges faced by chemists working weekend shifts, and how can they be managed?

Chemists working weekend shifts often encounter challenges such as limited access to support staff, fewer colleagues on-site, and potential delays in obtaining approvals or materials. To manage these, it's important to plan experiments in advance, clearly communicate with weekday teams, and ensure all necessary resources are available before the weekend. Many organizations provide detailed shift handover protocols and remote support options to help weekend chemists address issues efficiently and maintain safety standards.

What is a Weekend Chemist?

A Weekend Chemist is a professional responsible for performing chemical analyses, experiments, and lab maintenance duties during weekends. They may work in academic, pharmaceutical, industrial, or environmental labs, supporting ongoing research or production processes outside of standard weekday hours. Weekend Chemists often ensure that critical experiments are monitored and that lab operations continue smoothly over the weekend. This role can be ideal for students, part-time workers, or those seeking flexible schedules.

What are the key skills and qualifications needed to thrive as a Weekend Chemistry Lab Technician, and why are they important?

To thrive as a Weekend Chemistry Lab Technician, you need a solid understanding of chemical principles, laboratory procedures, and safety protocols, usually supported by at least an associate or bachelor’s degree in chemistry or a related field. Familiarity with analytical instruments such as spectrophotometers, chromatographs, and laboratory information management systems (LIMS) is typically required. Strong attention to detail, effective communication, and the ability to work independently during off-hours are vital soft skills. These qualifications ensure precise and safe experimentation, reliable data collection, and smooth lab operations outside standard workdays.

What is the difference between Weekend Chemistry vs Weekend Chemical Technician?

AspectWeekend ChemistryWeekend Chemical Technician
CertificationsTypically requires a chemistry degree or related certificationRequires a chemistry or chemical technician certification or associate degree
Work EnvironmentLaboratory settings, research facilities, or industrial labsLaboratory environments, manufacturing plants, or quality control labs
Industry UsageUsed across research, pharmaceuticals, and industrial sectorsCommon in manufacturing, quality assurance, and industrial processes

Weekend Chemistry and Weekend Chemical Technician roles share similar environments and certifications, often overlapping in industrial and laboratory settings. The main difference lies in the job scope, with chemists focusing more on research and analysis, while chemical technicians support manufacturing and quality control processes.

What are the most commonly searched types of Chemistry jobs in Riverside, CA? The most popular types of Chemistry jobs in Riverside, CA are:
What are popular job titles related to Weekend Chemistry jobs in Riverside, CA? For Weekend Chemistry jobs in Riverside, CA, the most frequently searched job titles are:
What job categories do people searching Weekend Chemistry jobs in Riverside, CA look for? The top searched job categories for Weekend Chemistry jobs in Riverside, CA are:
What cities near Riverside, CA are hiring for Weekend Chemistry jobs? Cities near Riverside, CA with the most Weekend Chemistry job openings:
Lab Chemistry Supervisor

Lab Chemistry Supervisor

AHMC Healthcare

Riverside, CA • On-site

$47/hr

Full-time

Posted 4 days ago


AHMC Healthcare rating

7.1

Company rating: 7.1 out of 10

Based on 14 frontline employees who took The Breakroom Quiz


Job description

Overview
Responsible for reviewing the Chemistry workflow and assumes responsibility for results reported under his/her supervision. Responsible for maintaining the supplies and reagents in the department. Responsible for completion and accuracy of all Proficiency Testing surveys done in the department. Reviews and is responsible for department Q.C.
Qualifications
Possession of a valid Clinical Lab Scientist license issued by the state of California. Must demonstrate the ability to supervise and instruct personnel in one or more departments of the clinical lab. Must have a minimum of five years' experience and have demonstrated the capability of above average judgment and technical skills. Must have good interpersonal and organizational skills.

What AHMC Healthcare employees say

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Hours and flexibility

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About AHMC Healthcare

Sourced by ZipRecruiter

Caring for you and your loved ones is our top priority. We encourage our patients to be involved in the care process, and to communicate with our staff about their experience. From our admitting staff, to nurses, patient experience managers, and administration - we're here because we care. Physicians and facility staff are dedicated to achieving the highest level of clinical excellence. AHMC Healthcare hospitals have advanced diagnostics tools such as the MRI GE Signa HDxt1.5TMR system and the Toshiba Aquilon 128-slice CT scanner. Anaheim Regional Medical Center's Heart Center has the second largest volume of open heart surgeries in Orange County. Members of our Nursing staff have been recognized at the Hospital Heroes Awards and the SeniorServ Senior Care Hero Awards. Whichever AHMC Healthcare hospital you choose, you will be choosing a facility dedicated to delivering quality service and care.

Company size

5,001 - 10,000 Employees

Headquarters location

Alhambra, CA, US

Year founded

2004

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