LIMS Associate

Ready to redefine what's possible in molecular diagnostics?
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.
With over 700 employees, half a million patients helped, and one of the most successful IPOs in medical diagnostics history behind us, we're just getting started. 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 a LIMS Associate to join our growing superstar Process Engineering team in support of clinical patient testing in our high throughput CLIA lab. The LIMS Administrator will be responsible for (1) Evolving the sophistication and usage of BTO’s LIMS tools to support rapid scaling of our clinical lab, (2) Identifying and implementing new Quality-oriented changes which enable greater usage, surveillance/monitoring, and control of laboratory data, (3) Managing a relationship with third party developers and our internal engineering team in system integration efforts, and (4) Identifying and assessing new LIMS systems which could offer greater benefits to BTO’s larger operations.
This role will help to build upon the strong technology and execution found within BTO’s walls, and will help us pave the way for replicating our prenatal success in the oncology space. The LIMS Associate is a full-time on-site position (in either our Menlo Park or Union City sites) and reports to the Associate Director of Process Engineering.
Responsibilities

Collaborate closely with wet lab scientists in our clinical molecular biology lab to understand workflows and the corresponding data flow needs
Perform routine LIMS systems and software maintenance procedures
Collaborate with SMEs to design & implement LIMS workflows & to support new assay launches
Work with the LIMS Administrator to manage existing LIMS workflows, their operations, lifecycle and data
Manage full release process, including validation, coordination of training, completion of required documentation, and deployments
In coordination with the LIMS Administrator, liaise with Semaphore Solutions, the external developer of the Labbit LIMS, and with other third party contractors & developers, as needed
Monitor, troubleshooting, and correct systems and software technical issues (e.g. resolving bugs and LIMS outages)
Triage & escalate unresolved technical issues to appropriate internal teams or external developers
Network with internal stakeholders & customers to develop new technologies
Develop and maintain relevant technical documentation (SOPs, Policies, etc) for use of BTO’s LIMS systems
Create workflow diagrams and documentation of current and proposed lab processes
Ensure compliance to all relevant corporate and regulatory requirements
Collaborate with the LIMS Administrator to provide end-to-end support & ownership for tickets requiring system change
Train SMEs in Software Engineering, Data Science, and CLIA to understand LIMS API and data warehouse
Onboard personnel to LIMS and define systems, roles, and responsibilities
Assist in establishing scope of features based on goals and timelines
Monitor KPIs for Labbit LIMS and work with LIMS Administrator and lab personnel to ensure timely progress toward company goals
Requirements

Collaborate closely with wet lab scientists in our clinical molecular biology lab to understand workflows and the corresponding data flow needs
Perform routine LIMS systems and software maintenance procedures
Collaborate with SMEs to design & implement LIMS workflows & to support new assay launches
Work with the LIMS Administrator to manage existing LIMS workflows, their operations, lifecycle and data
Manage full release process, including validation, coordination of training, completion of required documentation, and deployments
In coordination with the LIMS Administrator, liaise with Semaphore Solutions, the external developer of the Labbit LIMS, and with other third party contractors & developers, as needed
Monitor, troubleshooting, and correct systems and software technical issues (e.g. resolving bugs and LIMS outages)
Triage & escalate unresolved technical issues to appropriate internal teams or external developers
Network with internal stakeholders & customers to develop new technologies
Develop and maintain relevant technical documentation (SOPs, Policies, etc) for use of BTO’s LIMS systems
Create workflow diagrams and documentation of current and proposed lab processes
Ensure compliance to all relevant corporate and regulatory requirements
Collaborate with the LIMS Administrator to provide end-to-end support & ownership for tickets requiring system change
Train SMEs in Software Engineering, Data Science, and CLIA to understand LIMS API and data warehouse
Onboard personnel to LIMS and define systems, roles, and responsibilities
Assist in establishing scope of features based on goals and timelines
Monitor KPIs for Labbit LIMS and work with LIMS Administrator and lab personnel to ensure timely progress toward company goals
Nice-To-Haves

Experience with Illumina NGS workflows
Experience with molecular biology workflows in a high-throughput environment
Experience developing scripting solutions to automation problems in a fast paced/agile setting
Experience with automated liquid handlers and software integrations
Familiarity with AWS S3
Familiarity with cloud applications and with EC2
Familiarity with structured data types, including JSON
Experience with REST APIs
Experience with the Labbit LIMS platform
Direct experience with multiple LIMS products (Clarity, STARLIMS, Labvantage, Labworks, etc)
Familiarity with Quality Management Systems such as Arena and with related regulations (CFR 21 Part 11, ISO 13485, etc)
Experience with data analysis using Excel, SQL, R, and/or Python
Experience with ticket support in a production environment
Experience with bioinformatics pipelines
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 new parents (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 a (1) base pay range (actual amount offered is based on experience and salary/equity options split that the candidate chooses), (2) generous equity options offering, (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 $102,929 per year, including a base pay range of $73,920 - $84,480 per year.
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.
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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. 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 $150M+ in Annual Recurring Revenue in just five 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