Castle Biosciences, Inc.
Lab, Clinical Research Laboratory Technologist (PHX)
Castle Biosciences, Inc., Phoenix, Arizona, United States, 85003
Castle Biosciences Earns Top Workplaces USA Award for Phoenix, Pittsburgh, and Friendswood
Castle Biosciences Inc. is growing, and we are looking to hire a
full-time Clinical Research Laboratory Technologist working from our Phoenix, AZ office
with a start date on or before February 27, 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 Clinical Research Laboratory Technologist This role is a hands-on bench position focused on supporting clinical research studies.
Responsibilities include preparing and processing patient samples, operating laboratory instruments, and executing assays in strict accordance with approved SOPs and study plans. You will work closely with Clinical Research Scientists to support ongoing studies, follow experimental designs, and resolve technical issues to ensure accurate and timely testing. Daily tasks also include maintaining sample tracking and workflows in LIMS, performing routine quality control and equipment maintenance, and documenting results in compliance with quality and regulatory requirements. Depending on study needs, you may perform molecular techniques such as RNA/DNA extraction or PCR-based assays and support assay development, validation, and data review in a collaborative research laboratory environment.
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 clinical or research laboratory environment. And/or completion of military training for laboratory technicians as high complexity testing. Completion of a 50-week U.S. military medical laboratory training program.
Minimum 24 semester hours of medical laboratory technology courses or 24 semester hours of science courses, including 6 semester hours of both Chemistry & Biology and an additional 12 semester hours in any combination of Chemistry, Biology, or Medical Laboratory.
Technical proficiency, scientific creativity, successful collaboration with others, and independence.
The Clinical Research Technologist in the clinical research laboratory can be 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.
PREFERRED
Preferred 2-4 years of clinical laboratory experience or 2-4 years of clinical research experience.
Please see the full job description at the end of the job ad.
SCHEDULE
Monday - Friday, 8:30 am to 5:00 pm, exempt position, working from our Phoenix, AZ laboratory.
READY TO JOIN OUR BIOTECH TEAM? We truly appreciate your time. If this feels like the right opportunity for you, please complete our mobile-friendly application. We are 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. We believe that disease management and treatment decisions can be better informed through a person's biology, revealed through the scientific rigor of our 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 is to assist disabled job seekers whose disability prevents them from applying online. Messages left for this purpose will be answered.
No third-party recruiters, please.
#J-18808-Ljbffr
full-time Clinical Research Laboratory Technologist working from our Phoenix, AZ office
with a start date on or before February 27, 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 Clinical Research Laboratory Technologist This role is a hands-on bench position focused on supporting clinical research studies.
Responsibilities include preparing and processing patient samples, operating laboratory instruments, and executing assays in strict accordance with approved SOPs and study plans. You will work closely with Clinical Research Scientists to support ongoing studies, follow experimental designs, and resolve technical issues to ensure accurate and timely testing. Daily tasks also include maintaining sample tracking and workflows in LIMS, performing routine quality control and equipment maintenance, and documenting results in compliance with quality and regulatory requirements. Depending on study needs, you may perform molecular techniques such as RNA/DNA extraction or PCR-based assays and support assay development, validation, and data review in a collaborative research laboratory environment.
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 clinical or research laboratory environment. And/or completion of military training for laboratory technicians as high complexity testing. Completion of a 50-week U.S. military medical laboratory training program.
Minimum 24 semester hours of medical laboratory technology courses or 24 semester hours of science courses, including 6 semester hours of both Chemistry & Biology and an additional 12 semester hours in any combination of Chemistry, Biology, or Medical Laboratory.
Technical proficiency, scientific creativity, successful collaboration with others, and independence.
The Clinical Research Technologist in the clinical research laboratory can be 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.
PREFERRED
Preferred 2-4 years of clinical laboratory experience or 2-4 years of clinical research experience.
Please see the full job description at the end of the job ad.
SCHEDULE
Monday - Friday, 8:30 am to 5:00 pm, exempt position, working from our Phoenix, AZ laboratory.
READY TO JOIN OUR BIOTECH TEAM? We truly appreciate your time. If this feels like the right opportunity for you, please complete our mobile-friendly application. We are 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. We believe that disease management and treatment decisions can be better informed through a person's biology, revealed through the scientific rigor of our 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 is to assist disabled job seekers whose disability prevents them from applying online. Messages left for this purpose will be answered.
No third-party recruiters, please.
#J-18808-Ljbffr