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Medical Laboratory Scientist - Clinical Toxicology

Job in Lewisville, Denton County, Texas, 75029, USA
Listing for: Quest Diagnostics
Full Time position
Listed on 2026-01-12
Job specializations:
  • Healthcare
    Medical Technologist & Lab Technician, Clinical Research
Salary/Wage Range or Industry Benchmark: 29.5 USD Hourly USD 29.50 HOUR
Job Description & How to Apply Below
Position: Medical Laboratory Scientist I - Clinical Toxicology

Medical Laboratory Scientist I - Clinical Toxicology

Join Quest Diagnostics as a Medical Laboratory Scientist I in Clinical Toxicology, located in Lewisville, TX, working Tuesday – Saturday, 3:00 PM – 11:30 PM. This entry‑level position offers a $5,000 sign‑on bonus for external candidates, a pay range of $29.50+ per hour plus shift differentials of 10% for the second shift and 15% for the third shift, and eligibility for annual performance bonuses.

Department:
Clinical Toxicology. This role requires adherence to CLIA, HIPAA, OSHA and laboratory safety guidelines. Shift differential details will be provided if an offer is extended.

Benefits Information

  • Day 1 medical, supplemental health, dental & vision for full‑time employees working 30+ hours
  • Best‑in‑class well‑being programs
  • Annual, no‑cost health assessment program Blueprint for Wellness®
  • healthy

    MINDS mental health program
  • Vacation and flexible time
  • 6 holidays plus one “MyDay” off
  • Fin Fit 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

  • Follow the laboratory’s procedures for specimen handling and processing, test analyses, reporting and maintaining records of patient test results.
  • Maintain records demonstrating that proficiency testing samples are tested in the same manner as patient specimens.
  • Analyze specimens using approved testing procedures.
  • Review and release test results.
  • Follow CLIA, HIPAA, OSHA, and safety guidelines as described in their respective guidelines.
  • Follow the laboratory’s established policies and procedures whenever test systems are not within the laboratory’s acceptable levels of performance.
  • Identify problems that may adversely affect test performance or reporting of test results, correct the problems encountered or immediately notify the senior technologist or supervisor.

Education & Qualifications

  • Bachelor’s degree required, degree in Chemistry or Biochemistry strongly preferred.
  • Transcripts will be requested for review throughout the consideration process.

Work Experience

  • 1 year clinical experience (high‑complexity testing) preferred.
  • Experience with LC‑MS or ICP‑MS strongly preferred.

Physical And Mental Requirements

  • Lifting and carrying objects up to 50 pounds; assistance required for objects over 50 pounds.
  • Ability to stand and work at the bench for long periods.
  • Frequent walking and standing.
  • Use of manual and automated pipettes and laboratory instruments requiring significant manual dexterity.

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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