Skip to main content
TryApplyNow
Billiontoone logo

Clinical Laboratory Associate (CLA), Prenatal and Oncology

Billiontoone
Full Timejunior
Menlo Park or Union City, CAPosted 13 days ago

Role Overview

Billiontoone is hiring a entry-level Clinical Laboratory Associate (CLA), Prenatal and Oncology. This is a full-time role in Menlo Park or Union City. Part of Billiontoone's Qa hiring, posted last week. Full responsibilities, required qualifications, and the apply link are listed in the description below.

Salary Context

Salary is not disclosed in this posting. Market median for Junior-level Qa roles is $75k-$136k (based on 16 comparable listings). Many employers share specifics during the interview process or after an initial screen.

Resume Keywords to Include

Make sure these keywords appear in your resume to improve ATS scoring

GoORCompensationBenefitsPrivacyRareOpportunityShape

Job description

A Rare Opportunity to Shape the Future of Genomics

Join a team of brilliant, passionate innovators determined to transform healthcare. At BillionToOne, we've built a category-defining, publicly traded company on Nasdaq where transparency fuels trust, collaboration drives breakthroughs, and every contribution moves the needle on our mission to make life-changing diagnostics accessible to all. We don't just aim for incremental improvements; we build products that are 10x better than anything that exists today.

Our scientists, engineers, sales executives, and visionaries are united by an unwavering commitment to changing the standard of care in prenatal and cancer diagnostics. This is where cutting-edge science meets human compassion, and every innovation you contribute helps remove the fear of the unknown from some of life's most critical medical moments.

If you're driven by purpose, energized by innovation, and ready to help shape the future of precision medicine at scale, this is where you belong.

We are looking for passionate Clinical Laboratory Associates (CLA) to be responsible for assisting our day-to-day operations, providing equipment maintenance in the clinical laboratory, completing the pre-analytical phase of testing (e.g., specimen receipt, accessioning, and plasma/buffy coat isolation), performing quality assurance procedures, while complying with all local, state, and federal laboratory requirements. The Clinical Laboratory Associate (CLA) is an onsite position (Union City or Menlo Park) and provides a great opportunity for career growth - at BillionToOne, we offer an array of career growth opportunities and a clear growth tracks supported by our performance reviews (every 6 months).
 
Available Shift Hours:
  • Union City: Tue - Sat, 3:00 PM - 11:30 PM / Mon - Fri, 3:00 PM - 11:30 PM
  • Menlo Park: Tue - Sat, 7 AM - 3:30 PM / Sun - Thur, 7 AM - 3:30 PM / Mon - Fri, 3 PM - 11 PM
Responsibilities:
  • Perform specimen receipt and accessioning according to the laboratory’s standard operating procedures
  • Perform isolation procedures according to the laboratory’s standard operating procedures to CLA responsibilities
  • Maintain equipment according to the laboratory’s standard operating procedures
  • Clean labware, equipment, and benches
  • Prepare documents and binders for equipment and personnel records
  • Document all corrective actions taken when test systems deviate from the established performance specifications
  • Perform and document routine preventative maintenance
  • Prepare reagents required for laboratory preparation
  • Communicate effectively with coworkers and non- laboratory personnel
  • Report all concerns of accessioning quality and/or safety to the Laboratory Director, Supervisor, or Safety Officer
  • Participate in inspection preparation activities
  • Review of controlled documents as assigned
  • Participate in the training of new accessioning personnel on current procedures including the following:
    • Provide hands-on training
    • Provide guidance, feedback, and mentorship while respecting various learning styles
    • Ensure appropriate documentation is reviewed and completed
    • Participate in training meetings
    • Prioritize a positive work environment
    • Exhibit a dedication to team work above and beyond scheduled daily work
  • Participate in projects and process improvements for sample receipt and accessioning

Qualifications:

  • Bachelor’s degree or equivalent in biology or related life sciences field
  • Excellent attention to detail
  • Effective written and verbal communication skills
  • The ability to multitask and work independently

Nice-To-Haves:

  • Biophysics, Molecular biology (DNA purification, PCR, electrophoresis) or next-generation DNA sequencing laboratory experience
  • At least 6 months of experience with molecular biology techniques in a research or clinical laboratory
  • Previous clinical laboratory experience is preferred

Benefits And Perks:

  • Working alongside brilliant, kind, passionate and dedicated colleagues, in an empowering environment, toward a global vision, striving for a future in which transformative molecular diagnostics can help millions of patients
  • Open, transparent culture that includes weekly Town Hall meetings
  • The ability to indirectly or directly change the lives of hundreds of thousands patients
  • Multiple medical benefit options; employee premiums paid 100% of select plans, dependents covered up to 80%
  • Extremely generous Family Bonding Leave for eligible employees (16 weeks, paid at 100%)
  • Supplemental fertility benefits coverage 
  • Retirement savings program including a 4% Company match
  • Increase paid time off with increased tenure
  • Latest and greatest hardware (laptop, lab equipment, facilities)
  • Daily on-site lunches provided from top eateries
  • A variety of perks on campus (state of the art gym, restaurant)
  • Free on-site EV charging (compatible with all EVs, including Tesla)

At BillionToOne, we are proud to offer a combination of (1) competitive base pay, (2) the opportunity for professional growth, (3) corporate bonus program, on top of (4) industry leading company benefits (free healthcare options, 401k match, very generous fully paid parental leave, etc.).

For this position, we offer a total compensation package of $66,118 per year, including a base pay rate of $28.90 per hour.

BillionToOne is an equal opportunity employer. We do not discriminate on the basis of race, religion, color, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status.

For more information about how we protect your information, we encourage you to review our Privacy Policy.

BillionToOne is a next-generation molecular diagnostics company on a mission to make powerful, accurate diagnostic tests accessible to everyone. Our revolutionary QCT molecular counting technology enhances disease detection resolution by over a thousandfold using cell-free DNA,a breakthrough that has already transformed the lives of over half a million patients worldwide.

Our Impact

Unity Complete™ is the only non-invasive prenatal screen capable of assessing fetal risk for both common recessive conditions and aneuploidies from a single maternal blood sample.
Unity Confirm™ enables non-invasive confirmation for high-risk screening results through the capture of intact circulating fetal cells using BillionToOne’s Fetal Cell Capture™ Technology.
Our Northstar® liquid biopsy test uniquely combines treatment selection with real-time monitoring, giving oncologists unprecedented precision in cancer care.

Our Growth

From $0 to $400M+ annualized revenue run-rate in just 6 years. In 2025, we completed one of the most successful IPOs for a medical diagnostics company, building on nearly $400M in private funding,including our $130M Series D in 2024 and backed by world-class investors including Hummingbird, Adams Street Partners, Neuberger Berman, Baillie Gifford, and Premji Invest.

Our Recognition

Forbes named us one of America's Best Startup Employers for 2025 and we're Great Place to Work certified, with 100% of our people willing to go the extra mile, even as we've scaled to over 700 employees.

Our Future

Headquartered in Menlo Park with facilities in Union City, CA, and a new lab opening in Austin, TX in 2027, we're continuing to push the boundaries of what's possible in molecular diagnostics. We're just getting started.


Ready to help us change the world, one molecule at a time? Learn more at billiontoone.com

About Billiontoone

Billiontoone logo

Billiontoone

QaOn-site

55 other open roles at Billiontoone on TryApplyNow.

Frequently Asked Questions

How do I apply for the Clinical Laboratory Associate (CLA), Prenatal and Oncology position at Billiontoone?

Use the Apply button above to submit your application directly to Billiontoone. Most applications take less than 5 minutes if your resume and contact details are ready, and you'll be routed to the employer's official application system to finish.

Where is the Clinical Laboratory Associate (CLA), Prenatal and Oncology position at Billiontoone located?

This position is based in Menlo Park or Union City. Billiontoone has not indicated remote or hybrid options for this role, so candidates should plan for on-site work.

What does a Clinical Laboratory Associate (CLA), Prenatal and Oncology at Billiontoone earn?

Billiontoone has not disclosed a salary range in this posting. Many employers share specifics later in the interview process; you can also ask during a recruiter screen if compensation transparency is important to you.

When was the Clinical Laboratory Associate (CLA), Prenatal and Oncology role at Billiontoone posted?

This role was posted on June 26, 2026 (13 days ago). It's still listed as actively hiring; we re-confirm openings against the source system multiple times per day and remove closed roles.

Is the Clinical Laboratory Associate (CLA), Prenatal and Oncology role at Billiontoone entry-level?

Yes. This is an entry-level position. Strong candidates typically have 0-2 years of relevant work experience, internships, or significant project work. Read the full description for any specific qualification requirements Billiontoone has listed.

AI-powered job search

Get every job scored to your resume

Upload your resume and get jobs ranked, your resume tailored, and employee contacts found automatically.

Get started free

No credit card to start