Sample Preparation Scientist/Clinical Laboratory Scientist

Dominion Diagnostics LLC•North Kingstown, RI
•$48,000 - $52,000•Onsite

About The Position

Dominion Diagnostics is hiring a Sample Preparation Scientist in its clinical toxicology laboratory at its headquarters in North Kingstown, Rhode Island. The position prepares urine and oral fluid samples for drug confirmation testing and organizes samples for assay-batched testing using robotic liquid-handling instrumentation, including through dilution and/or extraction. It includes minor reagent preparation and building and submitting batches across several LC-MS/MS platforms. The role supports accurate, timely laboratory reporting through careful patient-sample handling, basic LC-MS instrument operations, thorough documentation, and adherence to safety, HIPAA, and regulatory requirements. The position also contributes to instrument knowledge and maintenance, troubleshooting, laboratory support, and training new employees. This is a full-time, 40-hour-per-week position scheduled Wednesday through Saturday, 2:00 p.m. to 12:00 a.m. The annual salary is $48,000–$52,000, commensurate with experience, plus second-shift and Saturday differentials. Applicants must be authorized to work for any U.S. employer; visa sponsorship is not available.

Requirements

  • An associate’s or bachelor’s degree in Medical Laboratory Science, or a bachelor’s degree in Biological Science or Chemical Science; transcripts are subject to review.
  • Excellent laboratory skills and an analytical mindset.
  • Strict attention to detail and quality procedures.
  • Strong organizational and communication skills.
  • Commitment to providing clients and their patients accurate test results in a timely fashion.
  • Ability to stand for periods of time.
  • Ability to work overtime as needed.
  • Ability to walk, bend, and reach while performing tests and managing equipment.
  • Ability to perform repetitive manual tasks using hands and fingers for extended periods.
  • Ability to handle small tools, instruments, and laboratory equipment with precision.
  • Ability to wear personal protective equipment such as lab coats, masks, gloves, and eye protection.
  • Ability to handle chemicals safely.
  • Ability to lift up to 20 pounds.
  • Authorization to work for any employer in the United States; the company cannot sponsor or take over sponsorship of an employment visa.

Responsibilities

  • Prepare samples for analysis using complex instrumentation, including automated liquid handlers.
  • Ensure proper handling of patient samples.
  • Perform basic LC-MS instrument operations.
  • Maintain a testing workflow that supports accurate and timely laboratory reporting.
  • Document corrective and preventative actions in testing procedures using good documentation practices.
  • Maintain complete and accurate instrument logs and laboratory records.
  • Build knowledge and proficiency in laboratory instrumentation, maintenance, and troubleshooting, including robotic handling and LC-MS/MS.
  • Assist with other laboratory duties as needed.
  • Assist in training new employees.
  • Prepare solutions, reagents, standards, and controls in accordance with documented standard operating procedures.
  • Follow all safety, HIPAA, and regulatory compliance standards.
  • Prepare urine and oral fluid samples for drug confirmation testing and organize samples for assay-batched testing using robotic liquid-handling instrumentation through dilution and/or extraction.
  • Build and submit batches across several LC-MS/MS instrumentation platforms.

Benefits

  • Medical, dental, and vision coverage.
  • 401(k) plan with employer match.
  • Paid time off.
  • Employer-paid life and disability insurance, with additional buy-up coverage options.
  • Tuition and continuing education reimbursement.
  • Voluntary benefits, including pet insurance.
  • Annual bonus eligibility based on organizational and individual performance.
  • Employee Assistance Program access for employees and family members, including one free legal consultation and referrals for emotional support or counseling.
  • Free access for technical staff to MediaLab continuing education classes and P.A.C.E.-approved continuing education credits.
  • The laboratory is closed for major holidays: Memorial Day, Fourth of July, Labor Day, Thanksgiving, Christmas, and New Year’s Day.
© 2026 Teal Labs, Inc
Privacy PolicyTerms of Service