Scientist I, Molecular and Cell Biology in Cambridge

Our mission is to restore cell health and resilience through cell rejuvenation to reverse disease, injury, and the disabilities that can occur throughout life. Our Single Altos Value: Everyone Owns Achieving Our Inspiring Mission.

Altos Labs has been named one of the Top 3 Biotech Companies and ranked for the second year on the Forbes 2026 Best Startups in America list. At Altos, 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 a diverse and inclusive environment.

We are seeking an outstanding and versatile experimental scientist with strong technical depth in molecular biology, cell biology and in vivo experimentation who can operate with a high degree of independence and scientific rigor. In this role, you will partner with a multidisciplinary team of scientists to advance translational projects at the Abad Lab, supporting target identification, mechanistic studies and therapeutic validation. This is an ideal opportunity for a highly motivated and collaborative individual who thrives at the bench, solves technical problems proactively and who is passionate about using their expertise to make impactful contributions to unravel the biological mechanisms underlying cell health and rejuvenation.

Key responsibilities:

• Engage in ground-breaking and innovative science and in Altos scientific activities.
• Generate mechanistic hypotheses and drive validation studies using appropriate in vitro and in vivo systems.
• Design and develop project-specific experimental strategies, techniques, and procedures including new biochemical and cellular assays.
• Translate in vitro discoveries into in vivo systems through the design and execution of mouse studies in relevant disease models.
• Partner with multidisciplinary teams including chemists, pharmacologists, and bioinformaticians to advance translational projects.
• Present and communicate clear, compelling data to a variety of audiences ranging from scientific colleagues to senior leaders.

Who You Are

Minimum Qualifications:

• Hold a PhD in life sciences (Molecular Biology, Cell Biology, Biochemistry, Bioengineering, or a related discipline) with 1-2 years of relevant hands-on experience in biotech, pharma, or leading academic institutions.
• Strong background in molecular and cell biology, including robust experience in cell culture and assay development.
• Proven experience working in vivo with mouse preclinical models in the UK.
• Demonstrated high productivity and ability to complete work in a timely manner.
• High level of rigor and precision in experimental procedures, data recording, and documentation.
• A proactive “to-do” attitude, with the ability to independently troubleshoot experiments, manage multiple priorities, and deliver high-quality work under tight timelines.
• Excellent writing and verbal communication skills.
• Strong sense of collective ownership of projects and the ability to work independently and with others.

Preferred Qualifications:

• Prior expertise and strong interest in ageing biology, cellular reprogramming and metabolism.
• Experience with imaging, flow cytometry, high-content screening, or automated cell analysis.
• Biochemistry skills, including biochemical and enzymatic assay development.

Hiring Range: £51,500- £67,700

We value collaboration and scientific excellence. We believe that a culture of belonging is foundational to scientific innovation and inquiry. 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.

Thank you for your interest in Altos Labs where we strive for a culture of scientific excellence, learning, and belonging.

Note: Altos Labs will not ask you to download a messaging app for an interview or outlay your own money to get started as an employee. If this sounds like your interaction with people claiming to be with Altos, it is not legitimate and has nothing to do with Altos.