FISH Cytologist

We are seeking a Histology Specialist to join IQVIA’s laboratory business at Valencia, CA
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In this role, you will perform routine and non-routine tissue processing, including paraffin embedding, sectioning, and advanced staining techniques, while leading troubleshooting and process improvement initiatives to support pathological analysis.

We hire passionate innovators who drive healthcare forward through thoughtful and inclusive collaboration. If you want to discover a career with greater purpose, join us as we transform and accelerate research and development.

• Perform tissue processing, paraffin embedding, sectioning, and slide preparation for microscopic evaluation.
• Conduct FISH and IHC technical processing and staining procedures to support pathological assessment.
• Operate and maintain histology laboratory equipment; lead troubleshooting and root cause analysis for process optimization.
• Mentor and train junior staff, providing technical expertise on specialized techniques.
• Ensure compliance with CLIA, CAP, and regulatory standards; maintain accurate documentation per SOPs and good documentation practices.
• Lead continuous process improvement initiatives, including cost-saving measures and workflow optimization.
• Oversee technology transfer of methods and SOPs from other groups; produce technical documentation for assays and pipelines.
• Present findings internally and externally; serve as a general supervisor per CAP definition.

• Bachelor’s degree in a relevant scientific discipline required.
• Advanced experience in histology techniques including paraffin embedding, sectioning, FISH, and IHC.
• Strong knowledge of regulatory requirements (CLIA, CAP) and laboratory operations.
• Other Equivalent combination of education, training, and experience may be accepted in lieu of degree.

• Expertise in histology processes and troubleshooting with advanced problem-solving skills.
• Ability to lead projects, mentor staff, and drive process improvements.
• Strong organizational, communication, and documentation skills; proficiency with Microsoft Office tools.
• Ability to lift up to 50 lbs, frequent standing and walking, occasional sitting, close eye work requirement (computer, typing, reading small prints). Physical demands vary depending on assigned work area and work tasks. Occasional exposure to cold temperatures.

We put our employees at the center of everything we do and are committed to providing them, and their families, with benefits that meet their diverse and changing needs. We invest in integrated benefits programs and resources to take care of our employees’s physical, mental and emotional, financial and social well-being so they can thrive at home and at work, at any stage of their well-being journey.

To learn more about our benefits, visit

If you’re looking to unleash your potential IQVIA’s laboratory business, to help make the extraordinary possible!

IQVIA is a leading global provider of clinical research services, commercial insights and healthcare intelligence to the life sciences and healthcare industries. We create intelligent connections to accelerate the development and commercialization of innovative medical treatments to help improve patient outcomes and population health worldwide. Learn more at

IQVIA is proud to be an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, status as a protected veteran, or any other status protected by applicable law.

The potential base pay range for this role, when annualized, is $58,800.00 - $. The actual base pay offered may vary based on a number of factors including job-related qualifications such as knowledge, skills, education, and experience; location; and/or schedule (full or part-time). Dependent on the position offered, incentive plans, bonuses, and/or other forms of compensation may be offered, in addition to a range of health and welfare and/or other benefits.