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Lab, Molecular Technologist

Castle Biosciences·Phoenix, Arizona

Full Time·On Site·0-2 yrs·Posted 3 months ago
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About the role

The Molecular Technologist is responsible for extracting and analyzing RNA samples using various molecular techniques including PCR and quantification. They must also ensure data accuracy, maintain laboratory instruments, and collaborate with team members to optimize workflow.

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

Learn more: www.CastleBiosciences.com Castle Biosciences Inc. is growing, and we are looking to hire Molecular Technologists working from our laboratory in Phoenix, AZ. with a start date of May 1, 2026.

Why Castle Biosciences?

Exceptional Benefits Package: Excellent Annual Salary + 20% 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, Molecular Technologist A typical day for a molecular technologist involves extraction and analyzing RNA samples using various molecular laboratory techniques.

This includes RNA quantification, PCR, quality control of reagents, and instrument maintenance, all while interpreting data, and ensuring the accuracy and reliability of results.

Collaborating with team members is also integral, ensuring optimal workflow and overall efficiency in the lab.

The role of the molecular technologist entails proficiency in molecular techniques, maintaining optimal working conditions, and ensuring stringent quality control measures.

Requirements

  • Bachelor of Science Degree in Chemistry, Biology, Clinical Laboratory Science, or Medical Technology from an accredited institution, plus 1-2 years of experience in a molecular biology testing environment, clinical, or equivalent laboratory environment. And/or have completion of military training for laboratory technicians as high complexity testing personnel. Completion of a 50-week U.S. military medical laboratory training program Minimum coursework and training requirements: 24 semester hours of medical laboratory technology courses or 24 semester hours of science courses, including 6 semester hours of both Chemistry & Biology & an additional 12 semester hours in any combination of Chemistry, Biology, or Medical Laboratory Science. AND Completion of a clinical laboratory training program, OR at least 3 months of documented laboratory training in each specialty area where the individual will perform high-complexity testing. The Molecular Technologists in the clinical laboratory are placed on a track towards obtaining American Society of Clinical Pathology (ASCP) Technologist in Molecular Biology (MB) board certification if not already credentialed upon hire and expected to obtain such a certification within 2 years of employment. (Only applicable to PHX) SCHEDULE Monday-Friday exempt position, working from the Phoenix, AZ. laboratory location. 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

Benefits

  • Annual Salary
  • 10 Paid Holidays
  • Health Care Plan Options
  • Company Stock Grant
  • Company HSA Contribution
  • 20% Bonus Potential
  • 20 Accrued PTO Days
  • 401K with 100% Company Match

Posting details

Employment type
Full Time
Work arrangement
On Site
Experience
0-2 yrs
Location
Phoenix, Arizona
Posted
Apr 14, 2026
Application
Employer website
CB

Hiring organization

Castle Biosciences

Castle Biosciences (Nasdaq: CSTL) is a leading diagnostics company improving health through innovative tests that guide patient care. The Company aims to transform disease management by keeping people first: patients, clinicians, employees and investors. The Company’s innovative...

IndustryBiotechnology Research
TypePublic Company
Size501-1,000 employees
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