Quest Diagnostics Careers | Glassdoor

Quest Diagnostics Careers

Secaucus, NJ
10000+ employees
Company - Public (DGX)
Health Care Services & Hospitals
$5 to $10 billion (USD) per year
We inspire action. We illuminate answers. We advocate better health.

Quest Diagnostics is the world's leading provider of diagnostic testing, services and information that patients and doctors rely on to make better healthcare decisions. Our ... Read more

Mission: We are on a continuous journey of discovery and development. It’s this attitude that has made us an industry leader and the #1 Diagnostic Lab in the US. Quest annually serves one in three American adults and half the physicians and hospitals in the United States, and ... Read more

Company Updates

  • Our DiverseAbilities Employee Business Network has a vision to create and foster an inclusive culture of knowledge and dynamic acceptance of the disability community. Learn more about DiverseAbilities and our Autism Hiring Initiative.

  • With a career at Quest, you’ll experience a workplace that encourages new and different ideas and views. We value the unique skills and experiences you’ll bring to the table.

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Quest Diagnostics Video

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Quest Diagnostics – Why Work With Us?

Your Quest Career. Seek it Out.

We are an industry leader with a longstanding reputation for exceptional quality and stability in our market. We inspire action. We illuminate answers. We advocate better health. Our employees are treated with care and respect in a friendly and collaborative environment that nurtures diversity in experience, culture and perspective. We work hard and strive to produce quality work because there are people behind every decision we make. You will be expected to bring the best of who you are to work every day. In exchange, we offer a robust total rewards package, and the tools and support to learn, grow and advance your career in a rewarding environment.

Join us on our quest to improve human health. Visit our Careers Site to learn more!

Empowering Better Health with Diagnostic Insights

At Quest Diagnostics, taking care of people is our business. We are dedicated to continuously improving human health through the delivery of quality diagnostic insights. We strive to produce quality work because we know there are people behind every decision we make. Each year, our diagnostic testing impacts 70% of all healthcare decisions and serves one in three American adults. Millions of patients and physicians rely on our diagnostic insights to help them make better health care decisions, and we recognize that our services would not be possible without the hard work and dedication of our 45,000 employees.

Careers That Make a Difference

Working at Quest Diagnostics offers employees the chance to work in an inclusive and inspiring environment while simultaneously making a great impact on human healthcare and the world at large. Regardless of one’s role, employees get personal satisfaction from the knowledge that their work inspires actions that transform lives and contributes to improving human health.

Are you ready for a career that makes a difference? Learn more about our career opportunities.

A Unique Working Environment & Culture

 At Quest Diagnostics, we recognize that our great success is largely due to the collective talent, dedication, and passion of the 45,000 employees who come to work with us every day. Our industry leadership would not be possible without the hard work of our talented team, and we make sure our employees are recognized for all they contribute to our business’ ongoing success. As one of America's Best Employers, named by Forbes for three consecutive years, we are committed to providing an inclusive organization that develops our employees' skills, both in the workplace and as individuals.

 We are committed to employee engagement because we believe engaged employees lead to satisfied customers and shareholders.  Our philosophy is simple: Trust. Engage. Respect.

At Quest, we always make time to have fun and recognize our accomplishments. Local business units regularly hold events to celebrate employees' years of service and the achievement of business unit goals. We host special activities such as Lab Week, customer service week, and hold diversity celebrations including Black History month, Hispanic American month, Asian Pacific Americans month, Gay Pride month and Veteran's Day. 

Benefit from the wealth of resources and opportunities that come with working for a leader. Learn more.

Be part of a recognized team.

  • Consistently named one of the best places to work in U.S. business journal rankings, including Forbes® 2018 America’s Best Large Employers
  • Named a DiversityInc Noteworthy Company for the second consecutive year in 2018
  • Quest Diagnostics is among DEI 2018 Best Places to Work for Disability Inclusion
  • Quest Diagnostics is ranked among Forbes® 2018 America’s Best Employers, for the second consecutive year
  • Named to Fortune Magazine’s 2019 World’s Most Admired Companies list in the Health Care industry category of “Pharmacy and Other Services” for the fourth consecutive year
  • Named a 2017 Best Place to Work for LGBT Equality by the Human Rights Compassion Foundation
  • Achieved Cancer Gold Standard™ accreditation from the CEO Roundtable on Cancer, recognizing our important actions to reduce the cancer risk of employees and their families
  • Earned a place on the Newsweek 2017 Green Rankings, for the fourth consecutive year on the U.S. list
  • Named a member of the Dow Jones® Sustainability World and North America indexes since 2004 (DJSI World) and 2005 (DJSI North America). The Dow Jones® Sustainability World Index represents the top 10% of the leading sustainability companies out of the biggest 2,500 companies in the Dow Jones Global Total Stock Market Index.

Our ability to engage and harness our employees’ unique and rich blend of talents, experience, cultures, and beliefs forms the foundation of our inclusive, inspiring, innovative culture. Our 9 Employee Business Networks (EBNs)—which are open to all—provide Quest with an opportunity to engage employees in impactful projects and programs that might not otherwise be a part of their daily job responsibilities, while investing in their personal and professional development. EBN leaders and members frequently attend events hosted by like-minded nonprofits and business organizations to share strategies and develop leadership skills. Our employee business networks help foster our culture of inclusion, engage local communities and enhance employees’ teamwork and leadership abilities.

Quest Employee Business Networks:

Quest Diagnostics Reviews

  • Featured Review

    Helpful (2)

    "One of the best companies to work for"

    • Work/Life Balance
    • Culture & Values
    • Career Opportunities
    • Comp & Benefits
    • Senior Management
    Current Employee - Phlebotomist in Saint Louis, MO
    Current Employee - Phlebotomist in Saint Louis, MO
    Positive Outlook
    Approves of CEO

    I have been working at Quest Diagnostics full-time (More than 5 years)


    Pay is based on experience. Company is growing quickly. Advancement opportunity is available if you look at job boards.


    Healthcare insurance could be better since the company is in the healthcare industry.

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Quest Diagnostics Photos

Quest Diagnostics photo of: Members of our pathology team at work.
Quest Diagnostics photo of: Sixty employees took part in our 2017 Hackathon, where teams spent two days rapid prototyping next generation solutions!
Quest Diagnostics photo of: Specimen processing in our Teterboro, New Jersey, laboratory.
Quest Diagnostics photo of: Specimen processing in our Teterboro, New Jersey, laboratory.
Quest Diagnostics photo of: Laboratory operations in our Teterboro, New Jersey, laboratory.
Quest Diagnostics photo of: Phlebotomists at work in one of our more than 2000 Patient Service Centers.
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Quest Diagnostics Interviews



Getting an Interview

Getting an Interview




  1. Featured Interview

    Helpful (16)  

    Scientist Interview

    Anonymous Employee in Marlborough, MA
    Accepted Offer
    Positive Experience
    Easy Interview


    I applied in-person. The process took 3 weeks. I interviewed at Quest Diagnostics (Marlborough, MA) in August 2019.


    Group interview. I had the chance to meet the team members and they asked me several questions about my background and reasons for applying. They also talked about the company, the benefits of working there, etc.

    Interview Questions

See All 529 Interviews

Quest Diagnostics Awards & Accolades

  • FORTUNE's World's Most Admired Companies, Fortune Magazine, 2018
  • Best Places to Work for Disability Inclusion, Disability Equality Index (DEI), 2018
  • DiversityInc Noteworthy Company, DiversityInc, 2017
  • America's Best Employers, Forbes, 2017
  • Dow Jones Sustainability North America Index, Dow Jones, 2017
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Work at Quest Diagnostics? Share Your Experiences

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