Senior Process Engineer, Oncology is open at BillionToOne in Menlo Park, CA. The posting gives a salary of $129K - $150K. Posted on Sep 29, 2026, and still on BillionToOne’s careers page when we last checked, on Nov 14, 2026.
About the role
Source and evaluate external technologies which might benefit COGS, process throughput, assay performance, turnaround time, or other key operational metrics. Develop the strategies to support 2-3X annual growth in commercial volume. Build upon the existing statistical Process Control system to enable ever decreasing failure rates and ever increasing assay performance. Mentor junior engineers and help to establish…
The opening lines of the posting. The rest is on BillionToOne’s careers page.
Hiring at BillionToOne
BillionToOne has 85 open roles right now, 6 of them remote. Most are in Sales & Business Development, Engineering and Customer Support. The median advertised salary across its roles with a published range is $216K. See all its roles
