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Freelance Lab Test Engineer Jobs in Rialto, CA (NOW HIRING)

Experience with the use of test equipment, such as oscilloscope, spectrum analyser, network ... Strong hands on experience with lab equipment (oscilloscopes, DMMs, power supplies, electronic ...

Saalex is an Engineering and Information Technology Services company with a focus on Test Range ... Experience with MBSE or lab-based integration and testing- Experience with remote range systems ...

Saalex is an Engineering and Information Technology Services company with a focus on Test Range ... Experience with MBSE or lab-based integration and testing- Experience with remote range systems ...

Saalex is an Engineering and Information Technology Services company with a focus on Test Range ... Experience with MBSE or lab-based integration and testing- Experience with remote range systems ...

Engineering Technician II

Brea, CA · On-site

$33 - $36/hr

The Engineering Technician II provides flexible, hands-on support to the hardware engineering team ... lab tools such as DVMs and oscilloscopes * Execute Design Validation Test plans, taking ...

Engineering Technician II

Brea, CA · On-site

$33 - $36/hr

The Engineering Technician II provides flexible, hands-on support to the hardware engineering team ... lab tools such as DVMs and oscilloscopes * Execute Design Validation Test plans, taking ...

The Packaging Engineer designs, tests, and implements packaging designs that emphasize ... from lab to scale-up and commercialization. * Participate in new product development teams ...

... Engineering, or equivalent. * 2+ years of experience in Quality Lab Specifications, Quality Control Management, Chemical Microbiology test methods. * Prefer 3+ years of experience including leading ...

Showing results 41-60

Freelance Lab Test Engineer information

See Rialto, CA salary details

$17

$48

$72

How much do freelance lab test engineer jobs pay per hour?

As of Aug 7, 2026, the average hourly pay for freelance lab test engineer in Rialto, CA is $48.05, according to ZipRecruiter salary data. Most workers in this role earn between $36.88 and $60.24 per hour, depending on experience, location, and employer.

What is the difference between Freelance Lab Test Engineer vs Quality Control Technician?

AspectFreelance Lab Test EngineerQuality Control Technician
CredentialsRelevant certifications (e.g., ISO, ASTM), technical degreesTechnical diploma or associate degree, certifications optional
Work EnvironmentFreelance projects, laboratories, client sitesIn-house labs, manufacturing facilities, testing labs
Employer & IndustryIndependent contractors, consulting firms, various industriesManufacturers, quality departments, industrial sectors

Freelance Lab Test Engineers and Quality Control Technicians both work in laboratory settings and require technical certifications. However, Freelance Lab Test Engineers typically operate independently on diverse projects, while Quality Control Technicians are employed full-time within organizations to ensure product quality. The choice depends on whether you prefer freelance flexibility or a stable in-house role.

What job categories do people searching Freelance Lab Test Engineer jobs in Rialto, CA look for? The top searched job categories for Freelance Lab Test Engineer jobs in Rialto, CA are:
What cities near Rialto, CA are hiring for Freelance Lab Test Engineer jobs? Cities near Rialto, CA with the most Freelance Lab Test Engineer job openings:

Electrical Engineer

Intellectt INC

Anaheim, CA • On-site

Contractor

Re-posted 5 days ago


Job description

Hello,
I Hope you are doing great.

This is Mahaboob from Intellectt INC; We have an urgent opening for a Electrical Engineer position based in Anaheim, California with one of our prestigious clients.
If you are interested or know someone who might be a good fit, please share your updated resume at mahaboob.m@intellectt.com.
Title: Electrical Engineer
Location: Anaheim, California

Job Description & Skill Requirement:

  • The Electrical Engineer with minimum of 5 to 8 years experience. Electrical Engineer who is experienced in the development, design, system integration and maintenance of embedded hardware platforms. Experience with the use of test equipment, such as oscilloscope, spectrum analyser, network analyser, DMMs, and signal generators.
  • Schematic reading & understanding
  • Strong knowledge of analog and digital electronics and mixed signal circuit design
  • Advanced design, analysis and testing of micro-controller operated digital and analog electronics IGBTs, Mosfets, and other power drivers and current sensors
  • Hands on experience with microcontrollers, including bring up and early-stage design
  • Board Level & Unit level Testing & Trouble shooting
  • Familiarity with thermal and EMI testing and basic embedded software debugging tools
  • Understanding of low and high voltage power electronics and control systems, including harnessing, wire selection, and connector selection
  • Strong hands on experience with lab equipment (oscilloscopes, DMMs, power supplies, electronic loads, logic/spectrum analyzers
  • Experience with common electrical and communication interfaces (CAN, I2C, SPI, Ethernet, RS 232/422, RS 485, USB
  • Adherence to aerospace process & Standards

Qualification:

  • Degree in Electrical Engineering or Equivalent

Thanks & Regards,
Mahaboob M
Technical Recruiter
Intellectt Inc 
mahaboob.m@intellectt.com
Direct: 732-276-1830
Desk number: 732 412 6999- Ext: 355