Senior Scientist I​/II: Investigative Pathologist

Senior Scientist I / II, Pathology at Altos Labs

An exciting opportunity is available for a Senior Scientist I / II to join the Institute of Medicine (IOM) Drug Discovery and Development Sciences team at Altos Labs. We are seeking a very highly motivated, creative, and collaborative individual who is passionate and dedicated to employing their scientific knowledge to help restore cell health and resilience to reverse disease.

This position is ideal for candidates who have successfully completed their Residency Training Program and graduate studies and are seeking practical, hands‑on experience, mentorship, and career development. The role will work closely with the Senior Director of Pathology, alongside cross‑functional team members, to deliver high‑quality pathology data that informs target selection, translational strategy, safety assessment, and development decisions.

You will be part of a multidisciplinary team, working in a highly dynamic environment that requires effective collaboration with our early research function, Discovery Science.

As a Senior Scientist, you will be expected to be an integral part of the discovery and translational project teams. Using your expertise and strong communication skills, you will guide the preclinical investigative strategy to qualify potential drug targets, help understand drug pharmacologic mechanisms, and connect the basic biology of cell and tissue injury to the pathophysiology of systemic disease. In collaboration with your cross‑functional team, you will aid disease model selection and characterization, biomarker discovery, and data interpretation.

A key requirement for success in this role is scientific curiosity and desire to grow and adapt to rapidly evolving technology and pipeline priorities.

• Work closely in project teams including basic science and early researchers to understand target biology paying particular attention to how molecular mechanisms could drive disease pathophysiology at the tissue and organism level
• Build strong trusting partnerships, working closely on the research and deep science, supporting the bridge from basic science to humans.
• Perform detailed histological evaluations of tissue samples to identify compound‑related treatment effects, including toxicity and pharmacology
• Contribute to the design of in‑vivo studies and provide clinical pathology and histopathological data interpretation
• Work with Discovery Sciences and In Vivo Translational Sciences to identify and characterize disease model systems
• Guide the development of novel molecular pathology assays and digital image analysis algorithms
• Contribute to a team culture that promotes continuous improvement, ownership, professional growth, and inclusion
• Contribute to the cross‑functional review of study reports

• Doctor of Veterinary Medicine (DVM) and formal pathology residency training (DACVP or DECVP certification or eligibility)
• PhD in Pathology or closely related discipline highly desirable.
• Demonstrable understanding of how to work effectively in cross‑functional research teams

Senior Scientist I: $213,000- $273,200
Senior Scientist II: $265,000- $339,700

We value collaboration and scientific excellence.

We believe that a culture of belonging is foundational to scientific innovation and inquiry. At Altos Labs, exceptional scientists and industry leaders from around the world work together to advance a shared mission. Our intentional focus is on Belonging, so that all employees know that they are valued for their unique perspectives. We are all accountable for sustaining an inclusive environment.

Altos Labs provides equal employment opportunities to all employees and applicants for employment, without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state or local laws. Altos prohibits unlawful discrimination and harassment. This policy applies to all terms and conditions of employment, including recruiting, hiring, placement, promotion, termination, layoff, recall, transfer, leaves of absence, compensation and training.

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