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Drug Tester Jobs in Riverside, CA (NOW HIRING)

Assembler/Tester B

Irvine, CA ยท On-site

$13.13 - $16.42/hr

Ability to pass random drug testing (safety sensitive role). Here's What Else Might Help You Out * Background as an automotive/car mechanic or aircraft mechanic. * Experience applying lean ...

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Assembler/Tester B

Irvine, CA ยท On-site

$13 - $16.41/hr

This is an onsite second-shift role (2:30pm-11:00pm, Mon-Fri) based in Irvine; the position is temp-to-hire and safety sensitive (subject to random drug testing). Here's How You'll Make an Impact on ...

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Assembler/Tester B

Irvine, CA ยท On-site

$16.41 - $20/hr

Willingness to follow safety rules; role is safety-sensitive and subject to random drug testing * Must be able to make this position your primary employment (no second job) * Ability to work 2nd ...

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Assembler/Tester B

Irvine, CA ยท On-site

$14 - $16.41/hr

Assembler/Tester B Full-time Irvine, CA, US Exclusive confidential search -- details shared with ... Subject to FAA drug screening; vision screening not required. Here's What Else Might Help You Out

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Front Desk Medical Office

Jurupa Valley, CA ยท On-site

$16.50 - $20.75/hr

We focus on personal injury cases and also have an on-site drug testing facility. This person will work both the front desk and the back office, helping the doctor with all patient care and medical ...

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Front Desk Medical Office

Jurupa Valley, CA ยท On-site

$16.50 - $20.75/hr

We focus on personal injury cases and also have an on-site drug testing facility. This person will work both the front desk and the back office, helping the doctor with all patient care and medical ...

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Drug Tester information

See Riverside, CA salary details

$11

$40

$65

How much do drug tester jobs pay per hour?

As of Jul 6, 2026, the average hourly pay for drug tester in Riverside, CA is $40.02, according to ZipRecruiter salary data. Most workers in this role earn between $22.31 and $52.93 per hour, depending on experience, location, and employer.

What does a drug tester do?

A drug tester is responsible for collecting and analyzing samples, such as urine, blood, or saliva, to detect the presence of illegal or unauthorized substances. They often work in laboratories, clinics, or workplace environments, following safety protocols and using testing kits or lab equipment. The role may require attention to detail, knowledge of testing procedures, and adherence to legal and privacy standards.

What are the key skills and qualifications needed to thrive as a Drug Tester, and why are they important?

To thrive as a Drug Tester, you need a strong understanding of laboratory procedures, specimen collection protocols, and relevant legal or regulatory guidelines, often supported by a background in medical technology or laboratory science. Familiarity with laboratory information management systems (LIMS), chain-of-custody documentation, and certification such as DOT or SAMHSA compliance is typically required. Attention to detail, integrity, and effective communication are essential soft skills to uphold testing accuracy and handle sensitive information. These skills ensure reliable test results, legal compliance, and the confidentiality necessary for workplace and legal drug testing environments.

What jobs do you have to get drug tested for?

Drug testers and many safety-sensitive positions, such as transportation, healthcare, manufacturing, and construction jobs, typically require drug testing. Employers often conduct pre-employment, random, or post-accident drug tests to ensure a drug-free workplace, and candidates may need to pass urine, blood, or saliva tests as part of the hiring process.

What do I need to become a drug tester?

To become a drug tester, you typically need a high school diploma or equivalent, good attention to detail, and the ability to follow strict protocols. Some positions may require background checks, drug testing, or certification in sample collection or safety procedures. Prior experience in healthcare, laboratory work, or security can be beneficial.

What is the difference between Drug Tester vs Drug Screening Technician?

AspectDrug TesterDrug Screening Technician
CredentialsMay require certification in drug testing proceduresOften requires similar certifications, including specimen collection training
Work EnvironmentPrimarily in clinics, testing centers, or workplacesSimilar settings, including medical facilities and corporate testing sites
Employer & IndustryEmployers include healthcare providers, corporations, and labsEmployers include labs, clinics, and drug testing companies
Common Search & ComparisonYesYes

Both Drug Testers and Drug Screening Technicians perform specimen collection and testing in similar environments. While their roles overlap, Drug Screening Technicians may have broader responsibilities, including operating testing equipment. Both roles require certifications related to specimen collection and drug testing procedures, making them closely related in the industry.

What are some common challenges faced by drug testers in ensuring accurate and unbiased results?

Drug testers often encounter challenges such as maintaining strict chain-of-custody protocols, preventing sample contamination, and managing privacy concerns during the collection process. Adhering to standardized procedures is crucial, as any deviation can impact the validity of the test results. Additionally, drug testers must stay updated on new substances and testing technologies to detect potential attempts at tampering or evasion. Collaboration with laboratory analysts and clear communication with clients are also important to ensure reliable and fair outcomes.

What are drug testers and what do they do?

Drug testers are professionals responsible for collecting and analyzing biological samples, such as urine, blood, or hair, to detect the presence of drugs or banned substances. They often work in environments like sports organizations, workplaces, law enforcement, or medical facilities. Their role is crucial in ensuring compliance with legal and organizational policies regarding drug use, maintaining safety, and promoting fair competition. Drug testers must follow strict protocols to ensure accurate and confidential results.

Will diazepam fail a drug test?

As a drug tester, it is important to know that diazepam is a benzodiazepine that can be detected in drug tests, typically through urine screening. Its presence can cause a positive result for benzodiazepines, which may lead to a failed drug test depending on the testing policies. Confirmatory tests can distinguish diazepam from other substances if needed.
What are popular job titles related to Drug Tester jobs in Riverside, CA? For Drug Tester jobs in Riverside, CA, the most frequently searched job titles are:
What cities near Riverside, CA are hiring for Drug Tester jobs? Cities near Riverside, CA with the most Drug Tester job openings:
Infographic showing various Drug Tester job openings in Riverside, CA as of June 2026, with employment types broken down into 92% Full Time, 3% Part Time, 1% Temporary, 3% Contract, and 1% Nights. Highlights an 57% Physical, 1% Hybrid, and 42% Remote job distribution, with an average salary of $83,243 per year, or $40 per hour.
Assembler/Tester B

Assembler/Tester B

NextDeavor Inc.

Irvine, CA โ€ข On-site

$13.13 - $16.42/hr

Contractor

Posted 23 days ago

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Job description

Assembler/Tester B
Full-time
Irvine, CA, US
Exclusive confidential search โ€” details shared with qualified applicants.
Become a Key Player as an Assembler/Tester B

You will assemble and test mechanical products to deliver quality parts on time, supporting production and customer requirements. You will work onsite on second shift (2:30pmโ€“11:00pm, Monโ€“Fri) as part of a production team, collaborating with supervisors and crossโ€‘functional stakeholders to support lean initiatives and continuous improvement.

Here's How You'll Make an Impact on the Team
  • Accurately assemble and test products using hand and power tools, mechanical/electronic tools, test equipment, and assembly fixtures.
  • Record test results and maintain data forms using basic electrical equipment and flow meters.
  • Interpret blueprints, engineering orders, assembly routes, test specifications, and customer requirements to produce assemblies that meet specifications.
  • Perform touchโ€‘up or full surface painting, mixing paint and cleaning parts as required.
  • Participate in lean initiatives by identifying improvement opportunities to increase productivity and reduce costs.
  • Maintain a safe, foreign object damage (FOD) free work area and ensure equipment calibration per schedule.
Here's What You'll Need to Be Successful in This Role
  • 0โ€“1 year of general mechanical work experience.
  • Demonstrated mechanical aptitude and strong mechanical reasoning.
  • Ability to stand approximately 50% of the time and lift up to 35 lbs.
  • Ability to read and understand blueprints, route sheets, and test specifications.
  • Basic math, effective verbal and written communication, and basic computer skills.
  • Availability to work the second shift (2:30pmโ€“11:00pm, Monโ€“Fri) and commit to this job as your primary employment.
  • Ability to pass random drug testing (safety sensitive role).
Here's What Else Might Help You Out
  • Background as an automotive/car mechanic or aircraft mechanic.
  • Experience applying lean manufacturing principles.
Pay Range

$13.13 - $16.42/hour

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This role may fill quickly. Submit your resume to be considered.

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