Lab, Molecular Technologist

castlebiosciences; Scottsdale (AZ); On-site; USD 65,000 - 90,000; Full time

Benefits offered by this job

Bonus potential (20%)

PTO 20 days annually

10 paid holidays

401K with company match up to 6%

Company stock grant on hire

Health care plans + company HSA

Job summary

Castle Biosciences Inc. is seeking a Molecular Technologist for our Scottsdale, AZ laboratory. You will perform RNA extraction and quantification, PCR, and quality control while ensuring data accuracy and instrument reliability.

Collaboration with teammates will drive efficient workflows and high-quality results. The role requires a BS degree in a relevant science field and 1–2 years in a molecular biology setting, plus military laboratory training or equivalent clinical lab experience.

Qualifications

• Bachelor degree in a relevant science field; 1–2 years in molecular biology testing or equivalent laboratory environment.
• Completion of 50-week U.S. military medical laboratory training program or equivalent clinical laboratory training.

Responsibilities

• Perform RNA extraction, RNA quantification, PCR, and quality control of reagents.
• Maintain instruments and perform routine maintenance; data interpretation to ensure accurate results.
• Collaborate with team to optimize workflow and laboratory efficiency; uphold stringent QC standards.

Skills

Technical proficiency

Scientific creativity

Collaboration

Independent thinking

Education

Bachelor of Science in Chemistry/Biology/Clinical Laboratory Science/Medical Technology

Military laboratory training (50-week program)

Job description

Castle Biosciences Inc. is growing, and we are looking to hire Molecular Technologists working from our laboratory in Scottsdale, AZ. with a start date of October 30, 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.
• Technical proficiency, scientific creativity, successful collaboration with others, and independent thought.
• 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 and some potential weekends, from 8:30 AM - 5:00 PM, exempt position, working from the Scottsdale, AZ. laboratory location.

We truly appreciate your time. We're excited to learn more about you and look forward to connecting soon!

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 [e-mail].

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.