Lab, Clinical Research Scientist

Clinical Research Scientist

Position
:
Clinical Research Scientist working from laboratory in Phoenix, AZ. Start date on or before June 30, 2026.

Responsible for leading assay development, validation, and implementation within a high‑complexity clinical laboratory environment. Expertise in molecular techniques, quality assurance, SOP development, instrument verification, and CLIA/CAP compliance is required. Drive data analysis, workflow optimization, and troubleshooting while partnering cross‑functionally to support clinical research and lab operations.

Key responsibilities include:

lead assay development, validation, and implementation; oversee sample analysis; ensure QA and regulatory compliance (CLIA/CAP); support lab operations through SOPs, instrument verification, and technical leadership.

• Excellent annual salary + 20% bonus potential
• 20 accrued PTO days annually + 10 paid holidays
• 401(k) with 100% company match up to 6%
• 3 health‑care plan options + company HSA contribution
• Company stock grant upon hire

• Bachelor's in Life Science, Biology, or Clinical Laboratory Science and 4–7 years research/development experience, or Master's and 3–5 years experience, or Ph.D. and 1–2 years experience.
• Demonstrated technical proficiency, scientific creativity, successful collaboration with others, and independent thought.
• Minimum 4 years laboratory experience in high‑complexity testing plus QA training or 2 years clinical QA experience.
• Experience with one or more of the following: molecular techniques, digital imaging, multiplex immunolabeling, digital pathology, image analysis or processing, bioinformatics/computational biology.

• Monday–Friday; exempt position, working from our Phoenix, AZ laboratory.

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

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 Reasonable Accommodations 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.