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Histology Sr. Research Associate

organovo · San Diego, US

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Histology Sr. Research Associate Position Summary We are seeking an experienced Histology Scientist to join our Histology team to both support and expand histopathology capabilities for our NAMkind™ Liver and NAMkind™ Intestine platforms. This hands-on role will be responsible for tissue processing, sectioning, staining, imaging, and pathology-support activities that enable drug discovery, toxicology, and disease modeling programs. The successful candidate will initially assume primary responsibility for histology operations and subsequently serve as a key member of the histology team, helping increase throughput and advance tissue characterization capabilities across our 3D human tissue models. Key Responsibilities Histology Operations - Independently process tissue samples from NAMkind™ Liver and NAMkind™ Intestine studies. - Perform fixation, embedding, microtomy, cryosectioning, slide preparation, and tissue preservation. - Maintain high-quality tissue processing workflows with strong attention to reproducibility and turnaround time. - Troubleshoot tissue preparation and staining challenges associated with small, delicate, and 3D tissue models. Histochemical Staining - Execute routine and specialty staining procedures, including: - Hematoxylin and Eosin (H&E) - Picrosirius Red (PSR) - Masson's Trichrome - PAS and related histochemical stains - Additional special stains as required - Optimize and validate staining protocols for novel tissue applications. Immunohistochemistry & Imaging - Perform immunohistochemistry (IHC), immunofluorescence (IF), and related tissue characterization workflows. - Optimize antigen retrieval methods, antibody panels, and staining procedures. - Acquire and manage digital images using microscopy and slide-scanning platforms. - Support image analysis, quantification, and interpretation of histological endpoints. Research & Development Support - Collaborate with scientists investigating liver injury, fibrosis, inflammation, steatosis, intestinal injury, barrier function, and tissue remodeling. - Support development and validation of new histology-based biomarkers and tissue characterization methods. - Contribute to assay development and continuous improvement of tissue-analysis workflows. Quality & Documentation - Maintain detailed laboratory records and SOPs. - Ensure compliance with internal quality standards and laboratory best practices. - Assist with equipment maintenance, reagent inventory, and laboratory organization. Qualifications Required - B.S. or M.S. in Histotechnology, Biology, Pathology, Biomedical Sciences, or a related field. - Minimum 5 years of hands-on histology experience in industry, academia, CRO, or clinical pathology laboratories. - Demonstrated expertise in: - Tissue processing - Paraffin embedding - Microtomy - Histochemical staining - Immunohistochemistry - Strong understanding of tissue morphology and pathology-assisted tissue evaluation. - Ability to independently manage histology workflows with minimal supervision. Preferred - HT(ASCP) or HTL(ASCP) certification. - Experience with liver, gastrointestinal, fibrosis, toxicology, or drug discovery research. - Experience with Picrosirius Red staining and fibrosis quantification. - Experience with immunofluorescence and multiplex staining methodologies. - Experience with organoids, spheroids, microphysiological systems, engineered tissues, or other advanced in vitro models. - Familiarity with digital pathology and image analysis software. Desired Attributes - Exceptional attention to detail and organizational skills. - Strong troubleshooting and problem-solving abilities. - Ability to work independently in a fast-paced biotech environment. - Collaborative mindset and willingness to support cross-functional research programs. - Passion for advancing human-relevant New Approach Methodologies (NAMs) and reducing reliance on animal testing.