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Negative Certifying Scientist Jobs (NOW HIRING)

TAE

Sr Scientist - Neutral Beams

Foothill Ranch, CA · On-site

$140K - $160K/yr

Negative ions sources * Excellent analytical and data analysis skills. * Experience in ion beams ... certifications, and other business and organizational needs. The total compensation package for ...

Guidehouse

Electron Microscope Scientist

Bethesda, MD · On-site

$74K - $124K/yr

Exposure to negative-stain EM workflows and complementary imaging techniques. * Ability to optimize ... Tuition Reimbursement, Personal Development, Certifications & Learning Opportunities * Employee ...

National Park Service

Physical Scientist

Homestead, FL · On-site +1

$65K - $85K/yr

You will be required to submit to a drug test and receive a negative drug test result prior to ... Ability to obtain/maintain MOCC and DOI aviation aircrew member certifications within 6 months of ...

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$153K

How much do negative certifying scientist jobs pay per year?

As of Aug 12, 2026, the average yearly pay for negative certifying scientist in the United States is $94,420.00, according to ZipRecruiter salary data. Most workers in this role earn between $59,000.00 and $119,000.00 per year, depending on experience, location, and employer.

What are some common challenges faced by a Negative Certifying Scientist in a toxicology laboratory setting?

Negative Certifying Scientists often face the challenge of maintaining high accuracy and consistency while reviewing large volumes of test results, as even minor errors can have significant consequences. They must stay current with evolving regulations and laboratory protocols to ensure all negative results are certified according to industry standards. Additionally, effective communication with laboratory staff and other certifying scientists is crucial for resolving discrepancies and ensuring quality control. Adapting to new technologies and balancing efficiency with meticulous attention to detail are also ongoing aspects of the role.

What are the key skills and qualifications needed to thrive as a Negative Certifying Scientist?

To thrive as a Negative Certifying Scientist, you need a solid background in forensic science or chemistry, with a relevant bachelor's degree and laboratory experience. Familiarity with laboratory information management systems (LIMS), analytical instruments like GC/MS or LC/MS, and certifications such as ASCLD/LAB are typically required. Strong attention to detail, critical thinking, and effective written communication are standout soft skills for this position. These skills and qualifications ensure accurate, reliable analysis and reporting, which are crucial for maintaining the integrity of forensic laboratory results.

What is a Negative Certifying Scientist?

A Negative Certifying Scientist is a professional who works in forensic laboratories, primarily responsible for certifying and verifying negative results in drug testing or toxicology screening processes. Their role involves reviewing laboratory data, ensuring that no controlled substances or target analytes were detected in tested samples, and confirming that proper procedures were followed. They must maintain rigorous documentation standards and comply with regulatory guidelines to ensure the integrity of test results. Negative Certifying Scientists play a crucial role in upholding the accuracy and reliability of forensic laboratory findings.
More about Negative Certifying Scientist jobs
What job categories do people searching Negative Certifying Scientist jobs look for? The top searched job categories for Negative Certifying Scientist jobs are:
Infographic showing various Negative Certifying Scientist job openings in the United States as of August 2026, with employment types broken down into 1% As Needed, 77% Full Time, 19% Part Time, 1% Temporary, and 2% Contract. Highlights an 95% Physical, 1% Hybrid, and 4% Remote job distribution, with an average salary of $94,420 per year, or $45.4 per hour.

Lab Limited Certifying Scientist

Quest Diagnostics

Lenexa, KS • On-site

$26.97/hr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Re-posted 24 days ago

ExamOne rating

6.6

Company rating: 6.6 out of 10

Based on 9 frontline employees who took The Breakroom Quiz

97th of 120 rated laboratories

Job description


Lab Limited Certifying Scientist - Lenexa, KS, Wednesday, Thursday, Saturday, Sunday 7:00 AM to 5:30 PM
To describe the responsibilities of the Limited Certifying Scientist within the Forensic Toxicology Drug Testing Laboratory. This position reports to the Positive Scientist Supervisor and Responsible Person. A Limited Certifying Scientist reviews analytical data to ensure accuracy, completeness and defensibility of testing results and reporting documents prior to release of a result report. The focus of this position is Brazilian hair testing, oral fluid testing and insurance/clinical testing.
Pay range: $26.97+ per hour
Salary offers are based on a wide range of factors including relevant skills, training, experience, education, and, where applicable, certifications obtained. Market and organizational factors are also considered. Successful candidates may be eligible to receive annual performance bonus compensation.
Benefits information:
We are proud to offer best-in-class benefits and programs to support employees and their families in living healthy, happy lives. Our pay and benefit plans have been designed to promote employee health in all respects - physical, financial, and developmental. Depending on whether it is a part-time or full-time position, some of the benefits offered may include:
  • Day 1 Medical, supplemental health, dental & vision for FT employees who work 30+ hours
  • Best-in-class well-being programs
  • Annual, no-cost health assessment program Blueprint for Wellness®
  • healthyMINDS mental health program
  • Vacation and Health/Flex Time
  • 6 Holidays plus 1 "MyDay" off
  • FinFit financial coaching and services
  • 401(k) pre-tax and/or Roth IRA with company match up to 5% after 12 months of service
  • Employee stock purchase plan
  • Life and disability insurance, plus buy-up option
  • Flexible Spending Accounts
  • Annual incentive plans
  • Matching gifts program
  • Education assistance through MyQuest for Education
  • Career advancement opportunities
  • and so much more!

Responsibilities
This position works within the Employer Solutions system. The incumbent is directly responsible to:
  • Certify negative, positive and rejected for testing results according to the Laboratory's Standard Operating Procedure (SOP) Manual for Brazilian hair testing, oral fluid, clinical and insurance specimens.
  • Ensure that all test results reported by the laboratory are accurate and legally defensible.
  • Interact on a limited basis with clients, medical review officers, call center representatives and sales staff in a professional manner in order to address questions pertaining to the drug testing process.
  • Interact with laboratory inspectors to demonstrate a detailed working knowledge of the lab SOPS, QC practices, analytical procedures, test theory, reporting procedures, corrective actions and applicable regulations pertaining to drug testing.
  • Maintain a working knowledge of the accessioning procedures and protocols to ensure proper specimen and chain of custody handling.
  • Maintain a working knowledge of the theory and practice of initial and confirmatory test methods used in the laboratory.
  • Have a thorough understanding of all laboratory:
    • quality control practices and procedures.
    • data review processes
    • procedures for interpretation of test results
    • protocols for reporting results.
  • Provide appropriate feedback to the Supervisor and Responsible Person in order to assist in maintaining an accurate SOP.
  • Maintain a thorough understanding of all state and other regulatory requirements as they pertain to applicable aspects of forensic drug testing.
  • Take proper remedial action in response to test systems being out of control limits or detecting aberrant test or quality control results.
  • Function as a technical resource for department personnel in accessioning, screening and confirmation areas.
  • Comply with all safety and regulatory requirements as defined and applicable.
  • Follow work schedule as defined by the Supervisor.
  • Actively participate in department meetings by providing constructive feedback.
  • Other duties as assigned by the Supervisor and Responsible Person

Qualifications
Required Work Experience:
Four years of experience in laboratory work.
Preferred Work Experience:
Training and experience in reviewing and reporting test results, maintenance of chain of custody, and understanding proper remedial action in response to the problems that may arise.
Knowledge:
Knowledge of the methods and procedures used by the laboratory that are relevant to the results that the individual certifies.
Education
  • Bachelor's Degree chemical or biological sciences, medical technology, or equivalent. (Required)

About the Team
Quest Diagnostics honors our service members and encourages veterans to apply.
While we appreciate and value our staffing partners, we do not accept unsolicited resumes from agencies. Quest will not be responsible for paying agency fees for any individual as to whom an agency has sent an unsolicited resume.
Equal Opportunity Employer: Race/Color/Sex/Sexual Orientation/Gender Identity/Religion/National Origin/Disability/Vets or any other legally protected status.

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