2,077,031open jobs
123,185companies
250,782added this week
Browse all
Salary
$144k – $162k per year
Location
In office (Fremont)
Seniority
Middle · 4+ years exp
Visa
H-1B filings in 12 months: 6 · green card filings: 1
Employment
Full-Time

Confirmed on the employer's own hiring board on Oct 31, 2026. First seen by Alion on Aug 17, 2026.

Overview
Company
Impact
Profile match
Our advanced ctDNA technologies enable the most sensitive detection with cancer insights from molecular residual disease to therapy selection.

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 from biopsy through the life of the patient. 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.

Shift(s) Available:

  • Sunday - Thursday: 10pm - 6:30am (3rd Shift)
  • Tuesday - Saturday: 10pm - 6:30am (3rd Shift)
  • Tuesday - Saturday: 2pm - 10:30pm (PM Shift)

Training hours may be different from your shift schedule. The PM and 3rd shift would be eligible for an additional shift premium.

Summary:

A CLS Supervisor performs and reports on clinical laboratory testing that aids physicians in diagnosing and treating patients. A key part of the role is supervising team members and ensuring that all laboratory procedures are followed for specimen handling, next-generation sequencing (NGS) processes, test analyses, and the accurate maintenance of patient records.

In our lab, we foster a positive, friendly, and team-based environment. We all pitch in to achieve our common goals and support each other. You'll work in a dynamic atmosphere, gaining hands-on experience at multiple benches, including extractions, library preparation, and sequencing. You'll also partner with our lab assistants to coordinate pre-analytical and post-analytical tasks.

Responsibilities: 

  • Perform and report clinical laboratory testing on patient samples to aid physicians diagnose and treat patients. This includes the following areas:
    • Extractions
    • Library Preparation
    • Enrichments
    • Sequencing
  • Handle and process all patient specimens according to laboratory procedures, ensuring accurate and timely record-keeping and reporting of results.
  • Select, implement, and evaluate quality control materials for statistical process control of laboratory assays.
  • Troubleshoot assays and equipment when quality control materials fail to perform as expected.
  • Document all corrective actions taken when test systems deviate from established performance specifications.
  • Assist in audits by regulatory bodies like CAP and external customers.
  • Participate in activities that support the laboratory's necessary licensure, including quality management and on-site inspections.
  • Identify and correct problems that may negatively affect test performance or result reporting. If a problem cannot be immediately corrected, notify a supervisor, clinical consultant, or director.
  • Train other CLS and lab personnel on laboratory methods.
  • Monitor the activities of non-licensed staff.
  • Provide guidance to team members on troubleshooting and deviation investigations.
  • Assist in assay development activities.
  • Demonstrate strong analytical skills and independent critical thinking.
  • Apply technical and functional knowledge to help the team meet its goals.
  • Work independently to identify and resolve complex, open-ended problems.

Requirements:

  • Education: Bachelor's degree, preferably in sciences or related discipline.
  • Licensure: Valid California Clinical Laboratory Scientist (CLS) or Clinical Genetic Molecular Biologist Scientist (CGMBS) license.
  • Experience: At least four years of CLS experience in a clinical laboratory environment. Minimum 1 year experience in a Lead role is required.
  • Preferred Skills: Experience with manual DNA/RNA extractions, manual library preparation, and automated liquid handlers.

The hiring range for this position is $72.10 to $81.70 per hour plus applicable shift differential. The offer 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 contact 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 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.)

#LI-KK1 #LI-Onsite

Free account
Stop reading job ads. Get the ones that fit.
One free account turns this page into a shortlist built around your stack, your level and your pay.
Match on every job. Stack, seniority, pay and location, scored against your profile.
2,077,031 open roles. Read straight off company career pages, refreshed every day.
Unlimited applications. Every one you send is tracked in one place, on-site or on a company board.
3 tailored CVs a month. Rewritten for the exact job you are applying to. Included free.
Create a free account Continue with Google
Free forever. No card. Under a minute.

Your match

How well do you fit this role?
Two answers are enough for a real match. No account needed.
Check my fit
Answers stay in this browser until you create an account.

Recommended for you based on this role

Science & Research
Similar stack
Same company
Fremont
ALS Lab Manager 2 months ago
$120k – $132k per year · Equity · In office · Nationals only · Full-Time · 8+ years exp · Washington
Robotics
MRPT
Apply
$93k – $132k per year · Equity · Hybrid · Full-Time · 5+ years exp · Master's Degree · Princeton
Life Sciences
GLP
MedTech
Design History File
Apply
$112k – $168k per year · Hybrid · Full-Time · 5+ years exp · Master's Degree · Menlo Park
Python
SQL
AI/ML
Claude Code
AI Agents
DevOps
AWS
HPC
Linux
Life Sciences
Next-Generation Sequencing
Apply
$54k – $65k per year · Remote (United States) · Full-Time · Bachelor's Degree · United States
Apply
≈ $45k – $96k per year (Estimated) · In office · PhD · Port Allen
Apply
≈ $111k – $210k per year (Estimated) · Hybrid · Bachelor's Degree · United States
Chips/EDA
Statistical Process Control
JMP
Apply
≈ $86k – $173k per year (Estimated) · In office · Full-Time · Switzerland
Chips/EDA
Statistical Process Control
Apply
$66k – $78k per year · In office · Nationals only · 8+ years exp · High School Diploma · Auburn
Chips/EDA
Statistical Process Control
Design
SolidWorks
SpaceTech
GD&T
Apply
≈ $64k – $177k per year (Estimated) · Hybrid · PhD · Atlanta
Python
AI/ML
Machine Learning
DevOps
GitHub
Linux
Life Sciences
Next-Generation Sequencing
Apply
In office · Full-Time · 7+ years exp · Bahadurgarh
Chips/EDA
Statistical Process Control
SpaceTech
FMEA
Apply
$158k – $190k per year · Equity · Hybrid · Full-Time · PhD · Fremont
Python
Apply
$85k – $115k per year · Equity · In office · Full-Time · 3+ years exp · Fremont
Life Sciences
Next-Generation Sequencing
Apply
$150k – $175k per year · Equity · Hybrid · Full-Time · Bachelor's Degree · Fremont
Python
JavaScript
TypeScript
Python
Flask
FastAPI
Databases
MySQL
PostgreSQL
Frontend
Vue.js
Angular
React.js
DevOps
Rest API
CI/CD
AWS
Docker
Bitbucket
GitHub
Life Sciences
LIMS
Apply
≈ $68k – $147k per year (Estimated) · Equity · Remote (United States) · Full-Time · 1+ year exp · Master's Degree
Life Sciences
Next-Generation Sequencing
Apply
$112k – $132k per year · Equity · In office · Full-Time · Bachelor's Degree · Fremont
Life Sciences
Next-Generation Sequencing
Apply
$38k per year · In office · Part-Time · High School Diploma · Fremont
Apply
≈ $38k – $67k per year (Estimated) · In office · Full-Time · 3+ years exp · Fremont
Apply
$269k – $325k per year · Hybrid · Full-Time · 10+ years exp · Fremont
MedTech
IVDR
Apply
$181k – $240k per year · Equity · Hybrid · 8+ years exp · Bachelor's Degree · Fremont
Management
Confluence
Jira
Apply
$115k – $179k per year · Equity · Hybrid · 3+ years exp · Bachelor's Degree · Fremont · Salem
Python
Robotics
EtherCAT
Apply
See all jobs
This is one of many
2,077,031 more open roles from verified company boards, updated every day.