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Junior Lab Assistant Jobs in California (NOW HIRING)

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Junior Lab Assistant information

See California salary details

$18.8K

$51.8K

$86.8K

How much do junior lab assistant jobs pay per year?

As of Jul 27, 2026, the average yearly pay for junior lab assistant in California is $51,775.00, according to ZipRecruiter salary data. Most workers in this role earn between $35,500.00 and $56,700.00 per year, depending on experience, location, and employer.

What does a Junior Lab Assistant do?

A Junior Lab Assistant supports scientists and senior lab staff by performing routine laboratory tasks such as preparing samples, organizing equipment, cleaning workspaces, and recording data. They help ensure that experiments run smoothly by maintaining an organized and safe laboratory environment. Junior Lab Assistants may also assist with basic experiments and handle administrative tasks, making them an essential part of the lab team. This role is often entry-level and provides valuable hands-on experience for those interested in scientific research or laboratory work.

What is the difference between Junior Lab Assistant vs Laboratory Technician?

AspectJunior Lab AssistantLaboratory Technician
Required CredentialsHigh school diploma or equivalent; some roles may require certificationAssociate degree or relevant certification in laboratory sciences
Work EnvironmentEducational, research, or clinical labs; supervised settingClinical, research, or industrial labs; more independent tasks
Employer & Industry UsageEducational institutions, research centers, hospitalsHospitals, biotech firms, pharmaceutical companies
Common Search & ComparisonEntry-level, support roles in labsTechnical, more specialized lab work

The main difference between a Junior Lab Assistant and a Laboratory Technician lies in their qualifications and responsibilities. Junior Lab Assistants typically have a high school diploma and perform basic support tasks under supervision, while Laboratory Technicians usually hold an associate degree and handle more technical, independent duties. Both roles are essential in laboratory settings, but Laboratory Technicians often require more specialized training and experience.

How much does a lab assistant get paid?

The average salary for a junior lab assistant typically ranges from $25,000 to $40,000 per year, depending on experience, location, and the specific laboratory or industry. Entry-level positions may start at lower wages, while those with specialized skills or certifications can earn higher pay. Compensation often includes benefits such as training in laboratory techniques and use of scientific tools.

What typical challenges might a Junior Lab Assistant face when learning to maintain laboratory equipment?

As a Junior Lab Assistant, you may encounter challenges in understanding the proper handling and calibration of complex laboratory equipment, especially when you are new to the environment. Each instrument may have specific maintenance protocols, and mistakes can impact research outcomes. However, most labs provide hands-on training and mentorship from senior staff, so being proactive in asking questions and carefully following standard operating procedures can help you quickly build confidence and competency.

What is a junior lab assistant?

A junior lab assistant is an entry-level position responsible for supporting laboratory operations, such as preparing samples, maintaining equipment, and recording data. The role often requires basic knowledge of lab procedures, attention to detail, and may involve working under supervision in scientific or medical laboratories.

What are the key skills and qualifications needed to thrive as a Junior Lab Assistant, and why are they important?

To thrive as a Junior Lab Assistant, you need a basic understanding of laboratory techniques, safety protocols, and often a high school diploma or associate degree in a science-related field. Familiarity with lab equipment, data entry systems, and basic software like Microsoft Excel is typically required. Attention to detail, strong organizational skills, and the ability to follow instructions precisely are valuable soft skills. These competencies ensure the accuracy and safety of lab procedures, supporting reliable research and daily operations.

Can I be a lab assistant with no experience?

Junior lab assistant positions often do not require prior experience, as on-the-job training is typically provided. However, having basic knowledge of laboratory procedures, safety protocols, and relevant skills can improve your chances of being hired. Some employers may prefer or require a relevant educational background or certifications in laboratory techniques.

What qualifications do I need to be a lab assistant?

To become a junior lab assistant, candidates typically need a high school diploma or equivalent. Relevant skills include attention to detail, basic knowledge of laboratory procedures, and familiarity with safety protocols; some positions may require coursework or certification in science or laboratory techniques.
What are popular job titles related to Junior Lab Assistant jobs in California? For Junior Lab Assistant jobs in California, the most frequently searched job titles are:
What job categories do people searching Junior Lab Assistant jobs in California look for? The top searched job categories for Junior Lab Assistant jobs in California are:
What cities in California are hiring for Junior Lab Assistant jobs? Cities in California with the most Junior Lab Assistant job openings:
Junior Lab Assistant jobs near you
Infographic showing various Junior Lab Assistant job openings in California as of July 2026, with employment types broken down into 1% As Needed, 76% Full Time, 19% Part Time, 1% Temporary, and 3% Contract. Highlights an 98% Physical, 1% Hybrid, and 1% Remote job distribution, with an average salary of $51,775 per year, or $24.9 per hour.
GCI Makerspace Lab Assistant

GCI Makerspace Lab Assistant

Chapman University

Orange, CA • On-site

$16.90/hr

Other

Posted 27 days ago

Chapman University rating

7.7

Company rating: 7.7 out of 10

Based on 10 frontline employees who took The Breakroom Quiz

254th of 612 rated colleges and universities

Job description

Student Title Classification Information
Quick Link https://chapman.peopleadmin.com/postings/40170 Job Number SE210424
Position Information
Department or Unit Name Grand Challenges Initiative Position Headcount 1 Position Title GCI Makerspace Lab Assistant Academic Year Academic Year 2026-2027 Term or Semester All Academic Year Is this Role for an Undergrad or Grad Student? Undergrad Anticipated Pay Range $16.90 - $16.90 Pay Range Information
Chapman University is required to provide a reasonable estimate of the compensation range for this position. This range takes into account a variety of factors that are considered in making compensation decisions, including experience, skills, knowledge, abilities, education, licensure and certifications, and other business and organizational needs. Salary offers are determined based on the final candidate's qualifications and experience, as well as internal equity and other internal factors. The anticipated pay range is not a promise of a particular wage.
On which Campus will this work be done? Orange Approved Supervisor Javier Espeleta Supervisor Email jespeleta@chapman.edu
Scheduling

Please use dates within Chapman Academic Calendar
(https://www.chapman.edu/academics/academic-calendar.aspx)

Desired Start Date 08/31/2026 Projected End Date 05/21/2027 Average number of hours per week Up to 10 Hrs
Position Summary Information
Job Description Summary
Working with the Grand Challenges Initiative is a great way to get
involved with the campus community. We are looking for a new student
assistant to join our team in the GCI Makerspace lab (located in the
Hashinger Science Center, 4 floor, room 427).
The position offers up to 8 hours per week for the entire Fall 2026
semester, with the potential to continue into future semesters
Responsibilities
  • Tracking inventory
  • Consulting with students on their GCI projects
  • Occasional event support
Required Qualifications
Undergraduate degree in similar and/or related field.
Desired Qualifications
Desired qualifications include (but are not limited to):
  • Sophomore or Junior level
  • Wet lab experience
  • Basic wet lab training (or ability to complete a training course)
  • Hazardous waste management knowledge
  • Willingness to collaborate with GCI students and faculty and advise
  • on their project ideas
  • Problem-solving skills
  • Experience in the GCI program (GCI 250 students are also welcome
  • to apply!)
Special Instructions to Applicants
Budget Information
Is Federal work-study required? With or Without FWS

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