Scientist 1/Scientist 2, Advanced Technologies

Personalis

Personalis

Fremont, CA, USA
USD 110k-150k / year + Equity
Posted on Jan 28, 2026

At Personalis, we are transforming the active management of cancer through breakthrough personalized testing. We aim to drive a new paradigm for cancer management, guiding care throughout the patient journey. Our highly sensitive assays combine tumor-and-normal profiling with proprietary algorithms to deliver advanced insights even as cancer evolves over time. Our products are designed to detect minimal residual disease (MRD) and recurrence at the earliest timepoints, enable selection of targeted therapies based on ultra-comprehensive genomic profiling, and enhance biomarker strategy for drug development. Personalis is based in Fremont, California.

Summary:

As a Scientist 1 or Scientist 2, you will leverage your expertise in molecular biology and NGS workflows to develop new protocols, optimize new and existing methods, as well as plan, execute, analyze, and interpret results from development projects and validation studies. You should be an energetic and hands-on individual who has the technical background to identify issues, provide technical insights and find effective solutions. Your work will contribute to a new generation of genomics-based precision medicine products in immuno-oncology and cancer clinical trials, diagnostics, and therapeutics being used by pharma, biotech, hospitals and clinicians.

Responsibilities:

  • Apply advanced molecular biology techniques to develop and perform feasibility experiments to support early research and new product development.
  • Design, execute and document development, equivalency, verification and validation studies.
  • Stay current with the latest developments in NGS and molecular diagnostics, proactively determining which technologies can be leveraged to enhance and expand Personalis’ product portfolio.
  • Identify problems in current processes and come up with troubleshooting approaches and solutions
  • Work cross functionally with the bioinformatics teams to plan experiments and analysis to validate novel procedures and analytics
  • Collaborate with the Product Development, Tech Transfer and Automation teams for the development and implementation of new products
  • Communicate complex data in a clear and concise manner to a diverse audience
  • Foster a highly collaborative and dynamic working environment through effective, two-way communication
  • Support documentation efforts for laboratory procedures.
  • Support and ensure compliance with all department and company policies and procedures

Education and Experience:

  • Scientist 1: PhD with 0-2 years of experience or MS with a minimum of 6 years of experience or BS with a minimum of 8 years of experience
  • Scientist 2: PhD with a minimal 2+ years of experience or MS with a minimum of 8 years of experience or BS with a minimum of 10 years of experience
  • Hands-on experience with NGS and DNA/RNA manipulations including extractions, library preparations, purifications, quantifications (Qubit and Nanodrop), PCR/qPCR/ddPCR, electrophoretic QC (Bioanalyzer and Tapestation), enzymatic assays.
  • Basic NGS data analysis knowledge and familiar using tools for data visualization.
  • Passion for exploring new technologies and thinking creativity to solve problems
  • Strong written and verbal communication skills
  • Excellent organizational skills, with a proven ability to troubleshoot complex technical issues.
  • Flexibility, multitasking, teamwork and self-initiative are required to support simultaneous projects.
  • Experience in biotech, clinical labs, lab automation, LIMS and/or bioinformatics is highly desired.
  • Strong desire to work in a demanding, high-energy, hands-on startup environment.

The hiring range for this position is $110,000 to $150,000 per year, which may factor in various geographic regions. The base pay actually offered will take into account internal equity and also may vary depending on the candidate’s geographic region, job-related knowledge, skills, and experience among other factors. Our full-time regular positions also include an annual performance-based bonus (or a sales incentive plan) and long-term incentive units (equity) provided as part of our compensation package, in addition to a full range of medical, financial, and/or other benefits, dependent on the level and position offered.

Personalis is an equal opportunity employer and is committed to the full inclusion of all individuals. As part of this commitment, Personalis will ensure that persons with disabilities are provided with reasonable accommodations. If you need an accommodation to participate in the job application or interview process, to perform essential job functions, and/or to receive other benefits and privileges of employment, please let your recruiter know, if/when they contacts you.

Protecting Our Candidates: At Personalis, we value your security. Please note that all official correspondence from our team will come exclusively from @personalis.com email addresses. We will never ask for personal financial information or conduct interviews over text or chat platforms. If you receive a suspicious request, it is likely a scam. We are committed to a safe recruitment experience and actively work with authorities to investigate and prosecute cyber crimes targeting our community.

Personalis is an Equal Opportunity Employer/Minorities/Females/Veterans/Disabilities. Personalis offers a competitive compensation package and benefits including medical, dental, vision, 401(k) match, ESPP, tuition reimbursement, sick/vacation time, commuter benefits/ EV charging stations, onsite gym, and wellness benefits. (For US only, benefits in other countries may vary.)

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