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KA Recruiting Inc.

Principal Scientist / Senior Research Scientist / Scientific Operations Principal - Histopathology & Translational Biomarkers

san francisco, CA

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About this opportunity

KA Recruiting Inc. lists this Principal Scientist / Senior Research Scientist / Scientific Operations Principal - Histopathology & Translational Biomarkers opportunity in san francisco, California. Review the employer’s description below for duties, qualifications and application requirements.

Job description

Principal Scientist Histopathology & Translational Biomarkers

Location : Bay Area, CA

Compensation: $150,000 $200,000 annually

Employment: Full-Time, Permanent

We are seeking an experienced Principal Scientist to provide scientific leadership across histopathology, translational biomarker, digital pathology, and tissue-based research programs. This is an excellent opportunity for a Ph.D.-level scientist who enjoys solving complex scientific problems, designing and troubleshooting studies, interpreting tissue-based data, and serving as a technical resource for both internal teams and biopharma customers. This is not a traditional people-management position. The Principal Scientist will lead through scientific expertise, technical guidance, and project coordination while remaining closely involved in the science.

Responsibilities

- Provide scientific leadership for histopathology, translational biomarker, and tissue-based research programs

- Support development, optimization, and validation of IHC, IF, and other tissue-based assays

- Guide experimental design, controls, study feasibility, troubleshooting, and scientific interpretation

- Conduct literature research and translate findings into practical study recommendations

- Support digital pathology, whole-slide imaging, and quantitative image-analysis workflows

- Interpret biomarker, histopathology, and image-analysis results

- Participate in technical scoping, study planning, and scientific discussions with biopharma customers

- Provide technical guidance and mentorship to scientists and cross-functional project teams

- Support SOP development, scientific best practices, quality systems, and process improvements

Requirements

- Ph.D. in Pathology, Biomedical Sciences, Biology, Bioengineering, or a related scientific discipline

- 3+ years of experience in histopathology, translational biomarkers, or closely related tissue-based research

- Strong understanding of tissue-based assays, pathology techniques, biomarker analysis, and scientific interpretation

- Experience with IHC, IF, assay development, optimization, and/or validation

- Strong experimental design and scientific troubleshooting skills

- Experience leading scientific projects or providing technical leadership to other scientists

- Strong scientific communication and stakeholder-management skills

Preferred Experience

- Digital pathology and whole-slide imaging

- Visiopharm, HALO, QuPath, Aperio, or comparable image-analysis platforms

- Multiplex imaging, spatial biology, biomarker scoring, or cell phenotyping

- Biotechnology, pharmaceutical, CRO, or translational research environment

- CAP, CLIA, GLP, or other regulated laboratory experience

- Customer-facing scientific or technical support

If you are a Ph.D.-level scientist with a strong background in histopathology, tissue biomarkers, and translational research and are interested in taking on greater scientific leadership while remaining close to the science, we encourage you to apply.

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Worksite address

san francisco, CA, 94101, US

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