Oncology Lab Director — Lead High-Impact Molecular Diagnostics

BillionToOne Inc.; Menlo Park, Northern (CA, KY); Hybrid; USD 247,000 - 268,000; Full time

Benefits offered by this job

Equity options

Generous parental leave

On-site lunches

On-site EV charging

Healthcare benefits

Job summary

BillionToOne Inc. is seeking a Senior Laboratory Director, Oncology in Menlo Park, CA to lead and own the daily operations of our high-complexity oncology clinical laboratory.

You will oversee quality, turnaround time, capacity, cost, and regulatory compliance while directing a growing team onsite 2–3 days per week. You will manage somatic variant interpretation, oncology report sign-out, vendor relationships, and evidence-based assay development with cross-functional partners.

Qualifications

• Doctoral degree in genetics, molecular biology, or related field with board certification.
• Valid or eligible for California Clinical Laboratory Director license and NY CoQ in oncology testing.
• 7+ years in a regulated clinical lab; 4+ years in molecular oncology testing including NGS.

Responsibilities

• Lead oncology laboratory organization, including headcount planning and competency management.
• Own the oncology lab budget and P&L, plus COGS and capital planning.
• Drive turnaround-time, throughput, capacity, and quality targets with improvements.
• Lead scale-up, assay onboarding, inspection readiness, and procurement.

Skills

Leadership

Regulatory compliance

NGS

Molecular oncology

Data interpretation

Communication

Education

PhD/MD in genetics or related

Board certification ABMGG/ABP

California CLIA license eligibility

NY State CoQ oncology testing

Tools

LIMS

IGV

Oncology bioinformatics tools

COSMIC/OncoKB databases

Job description

BillionToOne Inc. is seeking a Senior Laboratory Director, Oncology in Menlo Park, CA to lead and own the daily operations of our high-complexity oncology clinical laboratory.

You will oversee quality, turnaround time, capacity, cost, and regulatory compliance while directing a growing team onsite 2–3 days per week. You will manage somatic variant interpretation, oncology report sign-out, vendor relationships, and evidence-based assay development with cross-functional partners.