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Engineering Lab Assistant Jobs in Riverside, CA (NOW HIRING)

Additional voluntary benefits Compensation $60,000 - $70,000 Responsibilities * Assist laboratory ... Associate degree in Engineering Technology or equivalent preferred Requirements/Qualifications

Additional voluntary benefits Compensation $60,000 - $70,000 Responsibilities * Assist laboratory ... Associate degree in Engineering Technology or equivalent preferred Requirements/Qualifications

Additional voluntary benefits Compensation $60,000 - $70,000 Responsibilities * Assist laboratory ... Associate degree in Engineering Technology or equivalent preferred Requirements/Qualifications

Laboratory Technician

Irvine, CA · On-site

$30 - $32/hr

Support Application Engineers by generating and summarizing test data. * Prepare and test coatings ... Evaluate, collect, and record experimental data in lab notebooks and digital systems. * Enter data ...

Packaging Quality Lab Manager

Corona, CA · On-site

$100K - $134K/yr

Calibrate all lab equipment. * Assist with special tasks and projects. Who You Are * Prefer a Bachelor's Degree in the field of Industrial, Mechanical Engineering, Packaging Engineering or related ...

Characterize and analyze full radio performance * Assist in the development of automated test lab equipment for lab measurements * Work with manufacturing engineers on production testing and ...

Characterize and analyze full radio performance * Assist in the development of automated test lab equipment for lab measurements * Work with manufacturing engineers on production testing and ...

Equipment and Lab Skills * Basic computer skills (Excel, word) * Ability to assist in test setup and results reporting. * Attention to detail, following procedures, good communication with engineers ...

EMC Technician

Irvine, CA · On-site

$80K - $90K/yr

Equipment and Lab Skills * Basic computer skills (Excel, word) * Ability to assist in test setup and results reporting. * Attention to detail, following procedures, good communication with engineers ...

Showing results 21-40

Engineering Lab Assistant information

See Riverside, CA salary details

$10

$21

$31

How much do engineering lab assistant jobs pay per hour?

As of Sep 15, 2026, the average hourly pay for engineering lab assistant in Riverside, CA is $21.12, according to ZipRecruiter salary data. Most workers in this role earn between $17.31 and $24.09 per hour, depending on experience, location, and employer.

What does an engineering lab assistant do?

An Engineering Lab Assistant supports engineers and scientists by preparing materials, setting up equipment, conducting experiments, and recording data in laboratory environments. They help maintain a safe and organized workspace, calibrate instruments, and may assist in analyzing results or troubleshooting equipment. Their work is essential in ensuring that experiments run smoothly and efficiently.

What are the key skills and qualifications needed to thrive as an engineering lab assistant?

To thrive as an Engineering Lab Assistant, you need a solid understanding of engineering principles, laboratory procedures, and safety protocols, often supported by an associate degree or relevant coursework. Familiarity with lab equipment, data acquisition systems, and software such as MATLAB or LabVIEW is typically required. Attention to detail, strong organizational skills, and effective communication are important soft skills that set high performers apart. These competencies are crucial for maintaining accurate data, supporting engineers, and ensuring safe, efficient lab operations.

What are some common challenges an engineering lab assistant might face when supporting research and development projects?

Engineering Lab Assistants often juggle multiple tasks such as preparing materials, calibrating equipment, and assisting with experiments, all while maintaining strict safety and documentation standards. A key challenge is adapting to rapidly changing project requirements or priorities, which may require quick learning and flexibility. Additionally, collaborating with engineers and researchers from various disciplines means strong communication and organizational skills are essential for ensuring smooth project workflows.

What is the difference between Engineering Lab Assistant vs Mechanical Technician?

AspectEngineering Lab AssistantMechanical Technician
Required CredentialsAssociate degree or technical certification in engineering or related fieldDiploma or certification in mechanical technology or related area
Work EnvironmentLaboratories, research facilities, engineering departmentsManufacturing plants, maintenance workshops, repair facilities
Employer & Industry UsageEngineering firms, research institutions, universitiesManufacturers, industrial companies, maintenance providers
Common Search & ComparisonYesYes

Engineering Lab Assistants primarily support engineering research and testing in laboratory settings, focusing on data collection and experiment setup. Mechanical Technicians work more on maintaining, repairing, and assembling mechanical systems in industrial environments. While both roles require technical certifications and involve hands-on work, Engineering Lab Assistants are more research-oriented, whereas Mechanical Technicians focus on mechanical system maintenance and repair.

What cities near Riverside, CA are hiring for Engineering Lab Assistant jobs?

Cities near Riverside, CA with the most Engineering Lab Assistant job openings:

Infographic showing various Engineering Lab Assistant job openings in Riverside, CA as of August 2026, with employment types broken down into 87% Full Time, 9% Part Time, 3% Contract, and 1% Nights. Highlights an 85% Physical, 4% Hybrid, and 11% Remote job distribution, with an average salary of $43,935 per year, or $21.1 per hour.

Cement Lab Technician III

Jurupa Valley, CA • On-site

CalPortland
Construction Materials Wholesalers • 1 - 5K employees

$60K - $70K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Re-posted 5 days ago


CalPortland rating

7.5

Company rating: 7.5 out of 10

Based on 28 frontline employees who took The Breakroom Quiz


Job description

Job Summary

The Laboratory Technician III will be responsible for performing and overseeing cement laboratory operations, including sampling, preparation, and testing of materials in accordance with ASTM and AASHTO standards. This position performs advanced quality tests, analyzes data, and prepares detailed technical reports while ensuring accurate recordkeeping. The role involves coordinating daily lab activities and collaborating with chemists and management to improve testing methods and procedures. Additionally, the technician mentors junior staff, supports audits and inspections, and maintains a clean, safe, and compliant laboratory environment. Strong technical expertise, problem-solving skills, and the ability to work independently and lead others are essential for success in this role. 

Benefits

CalPortland is proud to offer a comprehensive, competitive benefits package that provides health and financial support to our most important resources: our employees. Your benefits are an important part of your overall compensation at CalPortland. That's why we give you a wide range of benefits to choose from. 

  • Medical, Dental, Vision
    • low-cost premiums even for family coverage
  • Company-paid life/AD&D insurance
  • Company-paid short-term disability
  • Paid sick/vacation/holiday
  • 401k/Company Funded Pension Program (program is dependent upon location and job type)
  • Employee Assistance Program (EAP)
  • Additional voluntary benefits
Compensation

$60,000 - $70,000

Responsibilities
  • Assist laboratory personnel on duties that pertain to sampling, preparation, and testing of cement
  • Perform sample preparations and standard quality tests on Portland cement (in accordance with the most current ASTM and AASHTO standards)
  • Maintain clear and accurate records on test and quality data
  • Oversee the Physical lab daily operations
  • Analyze data, prepare detailed technical reports, and present findings to the Laboratory Manager and other stakeholders
  • Collaborate with chemists and management to develop new testing methods and optimize existing procedures
  • Coordinate with the Laboratory Manager to plan and prioritize workload, ensuring timely completion of high-priority tasks
  • Assist in laboratory audits and inspections, and ensure all documentation is up-to-date and accurate
  • Mentor and train Lab Technician I and II staff in advanced techniques, laboratory best practices, and safety procedures
  • Ensure the laboratory is properly maintained by keeping all work areas clean, organized, and compliant with housekeeping standards, and by disposing of samples in the appropriate designated waste containers
  • Perform any other tasks as directed by the Laboratory Manager to support laboratory operations and research initiatives
Education
  • High school diploma
  • Associate degree in Engineering Technology or equivalent preferred 
Requirements/Qualifications
  • Minimum 5 years' experience in similar roles in cement plant labs, Technical Centers performing cement standard tests, or similar - 7 Years' experience preferred
  • Possess a strong understanding and hands-on expertise in the key tests related to cement, including all testing associated to ASTM C150, C595, C618, C989, and additional tests such as C157, C1038, C452, C1012, C1260, C1567, and any other relevant test
  • Possess certifications relevant to cement testing, preferred
  • Strong problem-solving skills and ability to work independently on complex tasks
  • Excellent communication and leadership abilities, with experience mentoring and training junior staff
  • Proficiency in data analysis and report writing, with strong attention to detail
  • Requires the following motions: climbing, stooping, bending, squatting, occasional lifting of up to 50 pounds, stretching, sitting, walking on uneven ground and stairs
  • Able to work cooperatively with others
  • Overtime work will be required as needed
  • Must meet OSHA 10 guidelines and be able to follow all CalPortland Safety Policies
  • ANSI approved PPE will be provided and must be used when required
  • Intermediate skills in Microsoft Office Suite
  • Must be able to speak, read and write in English
Conditions of Employment

Successful candidate must submit to a post-offer pre-employment physical examination, drug/alcohol screen, and background check. Some positions require Federal Motor Carrier Safety Administration (FMCSA) registration/clearance as well as ongoing alcohol and drug testing. In accordance with the San Francisco Fair Chance Ordinance, for work that will be performed in the San Francisco area, qualified applicants with arrest and conviction records will be considered for employment.


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