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Weekend Chemistry Jobs in Riverside, CA (NOW HIRING)

Certified Group

Chemistry Technician

Tustin, CA · On-site

Reporting to the Department/Section Supervisor or Laboratory Manager, Chemistry Technician will be responsible for the following: * Routine testing of client supplied samples in accordance with ...

Certified Group

Chemistry Technician

Tustin, CA

$21 - $24/hr

Preform Sample login and splitting * Assist chemists in performing analysis using one or more of the following techniques: HPLC, GC, LCMS, GCMS, GC, ICP/MS, ICP-OES, UV-VIS, FTIR, Titration ...

Actalent

Chemistry Associate

Orange, CA · On-site

$20 - $23/hr

QC Chemistry Associate Perform laboratory analysis of samples according to established specifications and procedures using wet chemistry techniques or various lab apparatus and instruments in ...

NOCCCD

Chemistry Instructor Pool-Part-Time

Anaheim, CA

$1K - $1K/wk

Courses to be taught may include General Chemistry, Introductory Chemistry and General, Organic and Biological Chemistry. Special Requirements SPECIAL REQUIREMENTS The award of all degrees must be ...

Actalent

Chemist

La Verne, CA · On-site

Perform chemistry testing of raw materials, in-process samples, final products, validation-related ... The position requires flexibility to be on-call on some weekends and to support off-shift testing ...

Actalent

Chemist

La Verne, CA

Perform chemistry testing of raw materials, in-process samples, final products, validation-related ... The position requires flexibility to be on-call on some weekends and to support off-shift testing ...

Tentamus California

Analytical Chemist

Irvine, CA · On-site

$65K - $85K/yr

Perform analytical chemistry testing using various instrumentation such as: GCFID, HPLC, ICPMS ... Position Type & Expected Schedule Full-Time | M - F 7AM-4PM / 8AM-5PM | Some weekend/holiday hours ...

Tentamus California

Analytical Chemist

Irvine, CA · On-site

$65K - $85K/yr

Perform analytical chemistry testing using various instrumentation such as: GCFID, HPLC, ICPMS ... Position Type & Expected Schedule Full-Time | M - F 7AM-4PM / 8AM-5PM | Some weekend/holiday hours ...

BioPhase Solutions

Chemist III/Sr. Chemist

Anaheim, CA

$40 - $50/hr

Independently execute QC chemistry testing to support routine manufacturing activities, new product method development and stability testing. * Review analytical raw data * Participate in protocol ...

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All JobsChemistry JobsWeekend Chemistry JobsWeekend Chemistry Jobs in Riverside, CA

Weekend Chemistry information

See Riverside, CA salary details

$14

$23

$33

How much do weekend chemistry jobs pay per hour?

As of Jun 14, 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:
Weekend Chemistry jobs near you

Chemistry Technician

Certified Group

Tustin, CA • On-site

Other

Posted 8 days ago

Job description

JOB FUNCTION: 

Reporting to the Department/Section Supervisor or Laboratory Manager, Chemistry Technician will be responsible for the following: 

  • Routine testing of client supplied samples in accordance with standard operating procedures. 
  • Generation, interpretation and management of analytical data. 
  • Troubleshooting and maintenance of analytical instruments. 

PRIMARY RESPONSIBILITIES:

  • Preform Sample login and splitting
  • Assist chemists in performing analysis using one or more of the following techniques: HPLC, GC, LCMS, GCMS, GC, ICP/MS, ICP-OES, UV-VIS, FTIR, Titration, Gravimetric Analysis, or other techniques, as appropriate in a timely fashion maintaining a high level of quality.
  • Prepare analytical standards.
  • Perform daily balance, temperature and monthly pipette verification.
  • Perform sample processing in accordance with standard operating procedures.
  • Perform sample preparation.
  • Calibrate and maintain analytical instruments.
  • Prepare standards and maintain inventory
  • Purchaseof standards and solvents
  • Maintain analytical and quality records as required for accreditation/certification and related to analytical work and instrument maintenance.
  • Submit accurate and timely reports based on the analysis.
  • Identify results that require further investigation or discussion with the Department Manager/Supervisor.
  • Participate in OOS investigation and/or CAPA when necessary.
  • Learn new techniques and technologies as appropriate.
  • Other duties as required.

POSITION REQUIREMENTS:

  • Minimum high school diploma and/or associate degree in science, BA/BS degree preferred. 
  • 0-1 years experience working in a laboratory setting 
  • High level of computer skills and familiarity with data acquisition software
  • Strong trouble-shooting and problem-solving skills
  • High level of computer literacy
  • Good conceptual basis in analytical chemistry
  • Proven ability to perform standard chemical laboratory techniques 

KEY POSITION COMPETENCIES TO BE MEASURED:

  • Analytical capability and performance
  • Technical communication skills
  • Team player
  • Organizational skills.
  • Strong communication skills
  • Manual dexterity
  • Ability to distinguish colors
  • Ability to stand for prolonged periods

Schedule: 8:00AM - 4:30PM,  Mon-Fri

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