
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 and recognized as a Great Place to Work for the second consecutive year in March 2025, as well as Great Place to work in Health Care for 2024 and 2025.
https://www.greatplacetowork.com/certified-company/7079445
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.
This entry-level position is for a Sample Preparation Scientist in a CAP-Accredited high-throughput clinical toxicology laboratory. The SPS is responsible for the preparation of urine and oral fluid samples for drug confirmation testing using LC-MS/MS technology. Duties include organizing and processing samples for batched assay testing using robotic liquid handling instrumentation, preparing patient sample dilutions, and submitting batches to LC-MS/MS instrumentation. The SPS may also prepare reagents as needed used during the shift.
Full-time: Monday through Friday, every other Saturday from 4 pm to 12 am.
Requirements
Minimum Education/ExperienceMust meet or exceed the minimum education requirements below:
OR· Bachelor’s in Biological Science or Chemical Science: Transcripts subject to review.
Primary Duties/Responsibilities
Knowledge, Skills, and Abilities

For over 25 years, Dominion Diagnostics has been advancing patient care through trusted diagnostics as a premier urine drug testing and toxicology laboratory. We serve Substance Use Disorder/Addiction Treatment, MAT (Medication-Assisted Treatment + OTP (Opioid Treatment Program) Clinics, and Pain Management.
Our primary focus is on urine drug monitoring, with customizable testing options and actionable clinical information. We also provide oral fluid testing, blood testing, and STI screening. Additionally, we offer a comprehensive suite of connectivity options, including telehealth solutions, automated randomization, and custom-built EMR interfaces.
Dominion Diagnostics remains a trusted choice for providers across the country for its quality, white-glove customer service, and compliance.