Certifying Scientist

Covance Inc.
Houston, TX

Labcorp is seeking a Certifying Scientist to join our team in Houston, TX .

Work Schedule: Wednesday - Sunday, 2:00pm – 10:30pm, some overtime required

Shift: 2nd, this position is eligible for a shift differential

Key Responsibilities:

  • Perform GC/MS and LC/MS certification in accordance with Standard Operating Procedures (SOP) and supervisor guidance.

  • Review and interpret all data from screening, SVTs and confirmatory GC/MS and LC/MS chromatographic data and all associated quality control, calibration and instrument data.

  • Understand and follow quality procedures and protocols for security and confidentiality.

  • Review and follow chain of custody procedures with accuracy and consistency. Verify accuracy of all chain of custody and specimen documentation and sign where necessary.

  • Release all results for:

    • Negative specimens

    • Negative and Dilute

    • Rejected Specimens

    • Positive Drugs

    • Invalid

    • Adulterated

    • Substituted

    • Positive and Dilute

    • Retests

    • Quantitative Results

    • D & L methamphetamine results

  • Understand and follow Standard Operating Procedures and protocols as directed.

  • Understand and comply with all laboratory and safety policies.

  • Additional duties as assigned by supervisor

Minimum Qualifications

  • Ph.D. in Chemical or Biological Science OR Master's degree in Chemical or Biological Science, Clinical Laboratory Science, or Medical Technology with 1 year or more of clinical testing OR Bachelor's degree in Chemical or Biological Science, Clinical Laboratory Science, or Medical Technology with 2 years or more of clinical testing experience

Preferred Qualification

  • Current or prior Labcorp experience
  • 3 months or more of Certifying Scientist or Toxicology experience
  • 6 months or more chromatography and/or mass spectrometry experience

Additional Job Standards

  • Certifying Scientist and Toxicology experience
  • In lieu of education requirements listed above, non-traditional degrees with applicable science credits that meet CLIA standards may meet education requirements
  • Qualify as an NLCP Certifying Scientist in an appropriate time frame
  • Understanding of laboratory operations as well as policies and procedures
  • Experience working in a high volume laboratory environment
  • Ability to work independently and within a team environment
  • Excellent research and problem resolution skills
  • Ability to prioritize and manage multiple tasks at a given time
  • Proficient with computers; Familiarity with laboratory information systems
  • High level of attention to detail along with strong communication and organizational skills
  • Ability to handle the physical requirements of the position
  • Able to pass a standardized color blindness test
  • Flexibility to work overtime or other shifts depending on business needs

$5,000 Sign On Bonus (active Labcorp employees not eligible)

At Labcorp we have a passion in helping people live happy and healthy lives. Every day we provide vital information that helps our clients and patients understand their health. If you are passionate about helping people and have a drive for service, then Labcorp could be a great next career step!

Benefits: Employees regularly scheduled to work 20 or more hours per week are eligible for comprehensive benefits including: Medical, Dental, Vision, Life, STD/LTD, 401(k), Paid Time Off (PTO) or Flexible Time Off (FTO), Tuition Reimbursement and Employee Stock Purchase Plan. Employees regularly scheduled to work less than 20 hours, Casual, Intern, and Temporary employees are only eligible to participate in the 401(k) Plan. Employees who are regularly scheduled to work a 7 on/7 off schedule are eligible to receive all the foregoing benefits except PTO or FTO. For more detailed information, please  click here .

Labcorp is proud to be an Equal Opportunity Employer:

Labcorp strives for inclusion and belonging in the workforce and does not tolerate harassment or discrimination of any kind. We make employment decisions based on the needs of our business and the qualifications and merit of the individual. Qualified applicants will receive consideration for employment without regard to race, religion, color, national origin, sex (including pregnancy, childbirth, or related medical conditions), family or parental status, marital, civil union or domestic partnership status, sexual orientation, gender identity, gender expression, personal appearance, age, veteran status, disability, genetic information, or any other legally protected characteristic. Additionally, all qualified applicants with arrest or conviction records will be considered for employment in accordance with applicable law.

We encourage all to apply

If you are an individual with a disability who needs assistance using our online tools to search and apply for jobs, or needs an accommodation, please visit our accessibility site or contact us at Labcorp Accessibility. For more information about how we collect and store your personal data, please see our Privacy Statement .

Posted 2026-04-09

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