Lab, Laboratory Supervisor

Castle Biosciences Earns "Top Workplaces USA Award" for Phoenix, Pittsburgh, and Friendswood!

Learn more at www.CastleBiosciences.com

Castle Biosciences Inc. is growing, and we are looking to hire a full-time Lab, Laboratory Supervisor working from our Phoenix, AZ office location, with a start date of May 16, 2026.

Why Castle Biosciences?

Exceptional Benefits Package:

• Excellent Annual Salary + 25% Bonus Potential
• 20 Accrued PTO Days Annually + 10 Paid Holidays
• 401K with 100% Company Match up to 6%
• 3 Health Care Plan Options + Company HSA Contribution
• Company Stock Grant Upon Hire

A DAY IN THE LIFE OF A Laboratory Supervisor,

The Laboratory Supervisor leads the daily operations of the molecular laboratory, ensuring accurate, timely, and high‑quality patient test results. Each day begins with overseeing staffing and scheduling, providing guidance and training to laboratory personnel, and ensuring adequate coverage to maintain efficient and compliant operations.
Throughout the day, the Supervisor manages the flow of molecular testing activities, monitors turnaround times, and troubleshoots operational issues as they arise. They oversee equipment performance, reagent inventory, and documentation to keep the laboratory organized, inspection‑ready, and aligned with regulatory and safety requirements.
Administrative and compliance responsibilities are a key part of the role. The Supervisor develops, reviews, and maintains SOPs; manages documentation and audit readiness; and supports ongoing quality initiatives. Collaboration with Clinical Services, IT, Quality, and Operations is essential to resolve issues, streamline workflows, and implement process improvements that enhance laboratory performance.
The ideal candidate is detail‑oriented, organized, and experienced in molecular laboratory operations, with a strong commitment to safety, compliance, and operational excellence.

REQUIREMENTS

• Bachelor's degree in a science-related field (minimum requirement).
• Minimum 1 year of high-complexity molecular testing experience in a CAP-accredited laboratory.
• ASCP certification preferred.
• Prior supervisory or leadership experience preferred.
• Regulatory pathways (as applicable):
• MD licensed in state of laboratory location plus NY CoQ and 2 years laboratory experience (minimum 1 year in clinical lab specialty).
• PhD plus NY CoQ and 2 years laboratory experience (minimum 1 year in clinical lab specialty).
• MS plus 4 years of laboratory experience (minimum 2 years in clinical lab specialty).
• BS plus 6 years of laboratory experience (minimum 4 years in clinical lab specialty).
• Extensive knowledge of clinical laboratory operations and molecular testing workflows.
• Strong understanding of QA/QC processes and regulatory requirements.
• Ability to troubleshoot complex technical and operational issues.
• Strong organizational, time management, and communication skills.
• Ability to maintain accurate, detailed, and organized records.
• Adaptability to changing priorities and operational needs.
• Ability to work collaboratively across departments.

*Please see the full job description at the end of the job ad.

SCHEDULE

• Monday - Friday, 8:30am - 5pm, working from our Phoenix location, after hour coverage may be required as needed to support emergency situations or critical laboratory operations, salary exempt position.

READY TO JOIN OUR BIOTECH TEAM?

We truly appreciate your time. If this feels like the right opportunity for you, we'd love for you to complete our mobile-friendly application. We're excited to learn more about you and look forward to connecting soon!

Castle Biosciences Awards and Research Developments!

WORK AUTHORIZATION

All candidates must be legally authorized to work in the United States. Currently, Castle Biosciences does not sponsor H-1B visas, OPT, or employment-related visas.

ABOUT CASTLE BIOSCIENCES INC.

At Castle, it all comes down to people. After all, disease doesn't just happen - it happens to people. We believe that disease management and treatment decisions can be better informed through a person's unique biology, which is revealed through the scientific rigor of our innovative, laboratory-developed tests. We are committed to empowering healthcare providers and patients with the goal of improved outcomes.

Every employee at Castle has an impact on patient care, and we work to ensure that everyone finds their work to be both challenging and rewarding. We behave with integrity and treat our colleagues with respect and kindness. Our culture fosters an environment of trust, transparency, and collaboration. We prioritize and encourage internal growth and professional development.

Castle Biosciences is an equal opportunity employer as to all protected groups, including protected veterans and individuals with disabilities.

If you have a disability and you believe you need a reasonable accommodation in order to search for a job opening or to submit an online application, please e-mail ReasonableAccommodationsRequest@castlebiosciences.com.

This email was created exclusively to assist disabled job seekers whose disability prevents them from being able to apply online. Only messages left for this purpose will be returned. Messages left for other purposes, such as following up on an application or technical issues not related to a disability, will not receive a response.

** No third-party recruiters, please