Sample Preparation Scientist/Clinical Laboratory Scientist

Our Company

Dominion Diagnostics is the premier provider of comprehensive clinical quantitative urine and blood drug testing, medication monitoring, and support services nationwide. Serving hundreds of clients in a variety of medical specialties, we provide actionable information to improve patient care and medical outcomes in the treatment of Chronic Pain and Addiction Medicine.

Our Core Values

Integrity

Accountability

Accuracy

We have several employee recognition programs and were awarded Best Places to Work in RI for the past 4 years in a row prior to being recognized as a Great Place to Work for the third consecutive year in March 2026. As well as Great Place to Work in Health Care for 2024, 2025 and 2026!

Excellent Benefits:

Our comprehensive benefits package includes medical, dental, and vision coverage; a 401(k) plan with an employer match, paid time off; employer-paid life and disability insurance with additional buy-up coverage options; tuition and continuing education reimbursement; and other voluntary benefits such as Pet Insurance. In addition, an annual bonus may be paid to eligible employees based on organizational and individual performance. This position is bonus eligible! Employees and their family members have full access to our Employee Assistance Program, which includes resources for work/life solutions, such as one free legal consultation and referrals for emotional support/counseling.

Dominion Diagnostics provides all technical staff with free access to a comprehensive library of continuing education classes through MediaLab. MediaLab’s P.A.C.E approved continuing education credits are accepted by ACSP, AMT, and all licensure states.

Tired of working in a hospital and having to rotate major holidays? Dominion is closed for all major Holidays (Memorial Day, 4th of July, Labor Day, Thanksgiving, Christmas & New Year’s Day). No more hoping you don’t have to work while family and friends are celebrating. At Dominion, you’re more than just a number. Come be part of a team that sets the industry standard!

Location and Hours:

Our headquarters is located in North Kingstown, RI. This opportunity is to work full-time (40 hours per week), Wednesday through Saturday from 2:00pm-12:00am.

About the Role:
Be part of a team that makes a difference!! Dominion Diagnostics is a nationally acclaimed industry leader in the world of innovative laboratory science. Our expertise includes comprehensive urine toxicology testing, chemistry, hematology, serology, infectious disease, and immunology. Our in-house research and development team keeps Dominion on the leading edge of proprietary assay development. Whatever your professional laboratory interests are, we offer an avenue to pursue them.

This position is for a Sample Preparation Scientist in a clinical toxicology laboratory. The SPS is responsible for the preparation of urine and oral fluid samples for drug confirmation testing. The SPS is also responsible for organizing and preparing samples for assay batched testing using robotic liquid handling instrumentation through dilution and/or extraction. Position requires minor preparation of reagents. SPS is responsible for building and submitting batches across several LC-MS/MS instrumentation platforms.

Primary Duties/Responsibilities:

• Prepares samples for analysis using complex instrumentation, including automated liquid handlers.
• Ensures proper handling of patient samples.
• Basic LCMS instrument operations.
• Maintains a testing workflow to ensure accurate and timely lab reporting.
• Documents all corrective and preventative action in all testing procedures using good documentation practices.
• Maintains complete and accurate records of all instrument logs and laboratory records.
• Works to build knowledge, understanding, and proficiency of all laboratory instrumentation and maintenance and troubleshooting, including but not limited to robotic handling and LC-MS/MS.
• Assists in performing other duties in the laboratory, when needed.
• Assists in training new employees.
• Prepares solutions, reagents, standards, and controls in accordance with the laboratory’s documented standard operating procedures.
• Follows all safety, HIPAA and regulatory compliance standards.