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Lab Assistant I

Quest Diagnostics
Marlborough, MA Full Time
POSTED ON 7/30/2026 CLOSED ON 8/30/2026

What are the responsibilities and job description for the Lab Assistant I position at Quest Diagnostics?

Job Description

Lab Assistant I - Marlborough, MA, Monday to Friday, 9:00 PM to 5:30 AM

Pre-Analytical Assistant I is responsible for general support functions within the Technical Operations Department.

Pay range: $20.10 - $22.01 / hour; employee may be eligible to receive shift differential of 10% for some or all hours worked on second shift and 15% for some or all hours worked on third shift. Additional details on shift differential will be provided if an offer is extended.

Salary offers are based on a wide range of factors including relevant skills, training, experience, education, and, where applicable, certifications obtained. Market and organizational factors are also considered. Successful candidates may be eligible to receive annual performance bonus compensation.

Start a rewarding career in healthcare with Quest Diagnostics, where your work makes a real difference every day. As a Specimen Processor, you'll be a vital part of the laboratory team, ensuring patient specimens are received, handled, and routed with accuracy, care, and integrity. Every sample you process helps support the timely, reliable test results that patients and healthcare providers depend on.

This is an exciting entry-level opportunity to join a world-class, state-of-the-art laboratory and build a long-term career with an industry leader. No laboratory experience? No problem. We'll provide the training and support you need to succeed while helping you develop valuable skills in specimen handling, testing requirements, quality standards, laboratory operations, analytical thinking, problem solving, and teamwork.

As you grow, you'll gain experience working alongside talented technical professionals, build confidence in a fast-paced environment, and develop the foundation for future career opportunities in laboratory science and healthcare. If you're dependable, detail-oriented, eager to learn, and ready to be part of something meaningful, we'd love to help you take the first step toward a career with endless possibilities.

Join our team and discover how every specimen tells a story, every role matters, and every day is an opportunity to make a difference.

We are currently seeking a dedicated, highly accurate, and energetic Pre-analytical Assistant to join our operations. In this role, you will manage the critical first physical steps of the laboratory testing process. You will be the vital link between sample arrival and clinical analysis, ensuring that patient samples arriving from Patient Service Centers (PSCs) and internal processing are efficiently unpacked, accurately sorted, and swiftly delivered to our testing departments.

Benefits Information

We are proud to offer best-in-class benefits and programs to support employees and their families in living healthy, happy lives. Our pay and benefit plans have been designed to promote employee health in all respects – physical, financial, and developmental. Depending on whether it is a part-time or full-time position, some of the benefits offered may include:

  • Day 1 Medical, supplemental health, dental & vision for FT employees who work 30 hours
  • Best-in-class well-being programs
  • Annual, no-cost health assessment program Blueprint for Wellness®
  • healthyMINDS mental health program
  • Vacation and Health/Flex Time
  • 6 Holidays plus 1 "MyDay" off
  • FinFit 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

Transparency is important to us. Here is what your day-to-day will look like and what we expect from you on the lab floor:

Responsibility Area What You Will Do

Intake & Unpacking Safely open transport bags and carefully extract specimens arriving from various Patient Service Centers (PSCs) and internal specimen processing areas.

High-Volume Sorting Accurately and rapidly sort hundreds of biological samples per shift based on department destination, temperature requirements, and testing priority.

Routing & Delivery Act as the primary runner to swiftly and securely transport and deliver sorted specimens to the appropriate clinical testing departments across the laboratory while re-routing misdirected specimens.

Quality & Verification Perform essential visual checks during the unpacking and sorting process to ensure specimen containers are secure, correctly capped, and undamaged before hand-off.

Workflow Management Maintain an organized and continuous flow of specimens from the receiving area to the lab floor, ensuring testing turnaround times are supported. Analyzes opportunities to optimize workflows and improve turnaround times.

Safety & Compliance Strictly follow all safety protocols for handling biohazard materials, utilizing proper Personal Protective Equipment (PPE), and adhering to all corporate compliance and PHI regulations.

Training & Onboarding Ask questions! We expect and encourage you to ask a lot of questions as you are learning our complex lab layout, routing rules, and safety protocols.

Qualifications

Preferred Work Experience:

Previous experience in a production environment

Knowledge

Medical background preferred which includes medical terminology applicable to a clinical laboratory.

Skills

Minimal data entry skills

Education

  • High School Diploma or Equivalent (Required)

About The Team

Quest Diagnostics honors our service members and encourages veterans to apply.

While we appreciate and value our staffing partners, we do not accept unsolicited resumes from agencies. Quest will not be responsible for paying agency fees for any individual as to whom an agency has sent an unsolicited resume.

Equal Opportunity Employer: Race/Color/Sex/Sexual Orientation/Gender Identity/Religion/National Origin/Disability/Vets or any other legally protected status.

Salary : $20 - $22

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