--- title: 'Scientist / Senior Scientist, Membrane Biochemistry at Altos Labs' canonical: 'https://feeny.ai/job/scientist-senior-scientist-membrane-biochemistry-altos-labs-san-francisco-bay-2as6grjx00j9' type: 'job' last_seen: '2026-10-15' --- # Scientist / Senior Scientist, Membrane Biochemistry at Altos Labs - **Company:** Altos Labs - **Location:** San Francisco Bay Area, CA - **Posted:** 2026-09-09 - **Last confirmed live:** 2026-10-15 - **Apply:** https://job-boards.greenhouse.io/altoslabs/jobs/6177367004 ## Job description ## Our Mission Our mission is to restore cell health and resilience through cell rejuvenation to reverse disease, injury, and the disabilities that can occur throughout life. For more information, see our website at [altoslabs.com.](https://altoslabs.com/) Our Value Our Single Altos Value: Everyone Owns Achieving Our Inspiring Mission. Diversity at Altos 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. ## What You Will Contribute To Altos As an individual contributor and Scientist in Discovery Science, you will advance Altos' scientific programs on brain aging and neurodegeneration using lipid and protein biochemistry approaches. The ideal candidate is an expert in membrane and lipid biology with experience purifying and structurally characterizing transmembrane or peripheral membrane-binding proteins. You will design and implement workflows that include construct design, expression and purification from mammalian recombinant sources, chromatography purification, membrane reconstitution, and vitrification for electron microscopy. You will also carry out biochemical activity assays and characterize biophysical properties of purified proteins, including hydrodynamic radius, binding kinetics, protein stability, and oligomerization. Experience with mass spectrometry, NMR, or X-ray crystallography of lipid-protein interactions is also of interest but not required. This position is in the Frost group at Altos Labs' Bay Area campus. ## Responsibilities - Design expression constructs and perform recombinant cell culture for membrane protein and membrane-associated protein purification and characterization. - Evaluate the purity, stability, and physical properties of purified proteins. - Develop new protein activity assays and establish SOPs. - Coordinate with CROs for material generation and analysis. ## Who You Are ## Minimum qualifications - PhD in a related field, such as Biochemistry, Chemistry, Biophysics, or Structural Biology - Demonstrable understanding of biochemistry, including the use of electron microscopy for structural biochemistry. - Excellent communication skills and proven ability to collaborate within a dynamic team. - Demonstrated experience with quantitative binding biophysics (BLI, SPR, or ITC), including kinetic and affinity analysis. - Experience with methods for assessing purity, mass, or stability (mass photometry, SEC-MALS, DLS, analytical SEC, or DSF/thermal stability). - Experience reconstituting membrane or lipid-associated proteins into liposomes or nanodiscs. - Experience with Cryo-EM sample preparation and data analysis workflows. - High level of rigor and precision in experimental design, data recording, and documentation in an ELN. - A proactive, problem-solving attitude with the ability to independently troubleshoot, manage multiple priorities, and deliver under timelines. ## Preferred qualifications - Experience with AI-assisted protein design pipelines. - Immunoassay development (ECL/MSD, ELISA). - Bioconjugation or synthetic chemistry for lipid, glycan, or fluorophore probes. The salary range for Redwood City, CA - Scientist I, Scientific Technologies: $136,300 - $174,700 - Scientist II, Scientific Technologies: $156,800 - $201,000 - Senior Scientist I, Scientific Technologies: $172,400 - $221,000 Exact compensation may vary based on skills, experience, and location. ## #LI-NN1 For UK applicants, before submitting your application: - Please click here to read the Altos Labs EU and UK Applicant Privacy Notice ([bit.ly/eu_uk_privacy_notice](https://bit.ly/eu_uk_privacy_notice)) - This Privacy Notice is not a contract, express or implied and it does not set terms or conditions of employment. ## Equal Opportunity Employment We value collaboration and scientific excellence. We believe that a culture of belonging are 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. 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. Learn more about a common job scam at https://www.linkedin.com/pulse/how-spot-avoid-online-job-scams-biron-clark/ ## About Altos Labs ## Company Overview - **One-liner**: Altos Labs is a biotechnology company pioneering cellular rejuvenation programming to reverse disease, injury, and disabilities by restoring cell health and resilience. - **Entity Type**: Private (believed to be well-funded by high-profile investors including Jeff Bezos and Yuri Milner; no public funding rounds listed) - **Headquarters**: San Francisco Bay Area, CA, USA (also major sites in San Diego, CA and Cambridge, UK) - **Founded**: 2021 (publicly launched in January 2022) - **Founders**: Hal Barron (CEO), Hans Bishop (President), Rick Klausner (Chief Scientific Advisor) ## Core Business - **Primary industry**: Biotechnology / Longevity & Cell Rejuvenation / Drug Discovery - **Target customers**: B2B/Institutional (partners, academic collaborators); ultimate end-users are patients with age-related diseases - **Mission statement**: “To restore cell health and resilience through cell rejuvenation to reverse disease, injury and the disabilities that can occur throughout life.” ## Products & Services Currently in the research and preclinical/early clinical stage. No marketed products yet. Major initiatives include: - **[Cell Rejuvenation Programming Platform]**: Proprietary technology based on partial cellular reprogramming (building on Yamanaka factors and Belmonte lab discoveries) to reset epigenetic age and restore cell function. - **[Institute of Computation]**: Developing multi-scale generative AI models to decode the “language of cell health” and accelerate discovery of rejuvenation-based therapies. - **[Institute of Medicine]**: Translational arm focused on converting fundamental biology into potential breakthrough medicines for age-related diseases. - **[Discovery Engine]**: Integrated platform combining experimental biology, high-quality internal data generation, and computational modeling to identify novel targets and therapies. ## Market Standing - **Valuation/Market Cap**: Not publicly disclosed; widely reported to have raised over **$3 billion** in initial financing (one of the largest biotech startup financings ever). Investors include Jeff Bezos, Yuri Milner, and others. - **Key Metric**: **$3+ billion total funding** (reported launch round) - **Notable Investors/Partners**: Jeff Bezos (via Bezos Expeditions), Yuri Milner (via DST Global), and other undisclosed high-net-worth individuals; partnerships with leading academic institutions including the Salk Institute and Cambridge University. - **Growth Signals**: Rapidly scaling headcount (26 open roles listed on Greenhouse as of mid-2026); expansion of computational and AI teams; launched Institute of Computation; appointed Joan Mannick (M.D.) as Chief Medical Officer in 2025 to lead early clinical development. ## Competitive Advantages - **Massive capital base**: Over $3 billion in funding provides long runway for high-risk, long-horizon science. - **World-class scientific leadership**: CEO Hal Barron (ex-GSK, ex-Roche), President Hans Bishop (ex-Juno Therapeutics), Chief Scientific Advisor Rick Klausner, and founding scientist Juan Carlos Izpisua Belmonte (pioneer of partial reprogramming). - **“Academic freedom meets industry focus” model**: Combines the freedom of academic inquiry with the discipline and resources of a biotech company. - **AI-first approach**: Dedicated Institute of Computation with a focus on generative AI and foundational models for biology, differentiating from traditional drug discovery. - **Multi-site global footprint**: Operations spanning US (Bay Area, San Diego) and UK (Cambridge) attract top talent from both sides of the Atlantic. ## Strategic Focus - **Near-term**: Advancing first therapeutic programs into clinical trials; building out the Institute of Computation and AI models; scaling drug discovery and development capabilities. - **Long-term**: Transform medicine by developing therapies that address the root cause of disease—cellular aging—rather than just symptoms. ## Why Work Here - **Mission-driven culture**: Focus on a single, ambitious goal—reversing disease through cell rejuvenation—unites the organization. - **Unique work model**: Blends academic freedom (pursue deep questions, publish, collaborate openly) with industry urgency (focus on medicines, milestones, patient impact). - **Computational focus**: Heavy investment in AI/ML (machine learning scientists, AI engineers, computational biology) makes it appealing for those interested in the intersection of tech and biology. - **Work environment**: Collaborative, interdisciplinary, and global; values diverse perspectives. Described as “a unique and inspiring place to work” with “many ways to contribute to our mission.” - **Currently hiring across multiple disciplines**: Discovery Science, Drug Development, Computation, Technology, and Operations—with roles in San Francisco Bay Area, San Diego, and Cambridge, UK. - **Perks/culture highlights**: Not explicitly detailed on careers page, but the emphasis on “freedom to collaborate broadly” and “big questions” suggests a high-autonomy, high-trust environment. ### Company Website & Careers 1. [altoslabs.com](https://www.altoslabs.com/) – Official company site (overview, science, about, careers) 2. [altoslabs.com/careers](https://www.altoslabs.com/careers) – Careers page (mission, culture, job listings) 3. [altoslabs.com/about](https://www.altoslabs.com/about) – About page (leadership, institutes, model) 4. [altoslabs.com/science](https://www.altoslabs.com/science) – Science page (founding science, partial reprogramming) ### Job Board 5. [job-boards.greenhouse.io/altoslabs](http://job-boards.greenhouse.io/altoslabs) – Greenhouse job board (26 open positions as of mid-2026) ## Other roles at Altos Labs - [Manager / Senior Manager Genomics Hub](https://feeny.ai/job/manager-senior-manager-genomics-hub-altos-labs-cambridge-2c83teqhdrg9) — Cambridge, MA - [Senior Knowledge Engineer, Ontology and Data Standards (Contract)](https://feeny.ai/job/senior-knowledge-engineer-ontology-and-data-standards-contract-altos-labs-san-0gj7kggw8sq9) — San Francisco Bay Area, CA - [Senior Patent Counsel / Director, Intellectual Property](https://feeny.ai/job/senior-patent-counsel-director-intellectual-property-altos-labs-san-diego-rqa72w59efpg) — San Diego, CA - [Deputy General Counsel and Vice President, Intellectual Property](https://feeny.ai/job/deputy-general-counsel-and-vice-president-intellectual-property-altos-labs-san-rfncypwagg9c) — San Francisco Bay Area, CA - [Director / Senior Director, Lab-in-the-Loop](https://feeny.ai/job/director-senior-director-lab-in-the-loop-altos-labs-san-francisco-bay-area-x0r6dn63de1j) — San Francisco Bay Area, CA / San Diego, CA - [Senior Manager/Manager, CRO and KOL Alliances (Contract to Hire)](https://feeny.ai/job/senior-manager-manager-cro-and-kol-alliances-contract-to-hire-altos-labs-san-vw71whqxekvc) — San Diego, CA - [Scientist / Sr. Scientist In Vivo Translational Sciences](https://feeny.ai/job/scientist-sr-scientist-in-vivo-translational-sciences-altos-labs-san-francisco-89z998pb5r1a) — San Francisco Bay Area, CA - [Scientist, Neurodegeneration](https://feeny.ai/job/scientist-neurodegeneration-altos-labs-san-francisco-bay-area-ptan9vfe9dfh) — San Francisco Bay Area, CA - [Senior Research Associate, Drug Discovery](https://feeny.ai/job/senior-research-associate-drug-discovery-altos-labs-san-francisco-bay-area-es0k39mddn6n) — San Francisco Bay Area, CA - [Director / Senior Director, Machine Learning for Biology](https://feeny.ai/job/director-senior-director-machine-learning-for-biology-altos-labs-san-diego-tav9vfz1h2qf) — San Diego, CA / San Francisco Bay Area, CA