Lab, Anatomic Pathology; Histology Manager PHX

Castle Biosciences Inc.

Castle Biosciences Inc. is growing, and we are looking to hire a full‑time Anatomic Pathology (Histology) Manager working from our Phoenix, AZ office location with a start date of February 9, 2026.

Exceptional Benefits Package:

• Excellent Annual Salary + 35% 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

We're a growing department with an entrepreneurial spirit, building both our team and our capabilities. Our Clinical and R&D groups conduct studies across the U.S., and this role supports work that goes beyond routine clinical practice. We're looking for someone with 6+ years of histology experience, HT or HTL ASCP certification, and proven experience leading teams of 10 or more in a dynamic lab environment.

The Anatomic Pathology Manager oversees daily operations of the A&P labs, including QA/QC, equipment setup, SOP development, and supervision of histology procedures. The manager leads and mentors histologists while remaining hands‑on at the bench, handling specimens, embedding, cutting, and staining (H&E, IHC, IFC) and ensuring all work meets Castle Biosciences' QMS, CLIA, CAP, and NYS standards.

• ASCP Board certified Histotechnician HT/HTL required, with ongoing CMP maintenance, BS degree in life sciences or healthcare‑related field or equivalent 6‑10 years of experience, preferred in a clinical, research and/or development environment.
• 6‑10 years of technical proficiency in histological methodology, knowledge of regulatory requirements, and successful collaboration with others.
• Strong understanding and practical experience with histology and technical procedures.
• Demonstrated knowledge of quality control purpose and procedures.

• Monday‑Friday, from 7:30 AM to 4:00 PM, exempt position. Schedule may be updated based on needs.

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!

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.

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 for 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 Reasonable Accommodations

No third‑party recruiters, please.