Jobs / United States / Altos Labs INC
Scientist II, In Vivo Translational Sciences
Altos Labs INC · 🇺🇸 San Francisco Bay Area, CA
Sponsorship verdict
Sponsorship possible
One solid signal, not two — worth applying, and worth asking about sponsorship early.
- Employer is on a government sponsor recordThe US Department of Labor certified 10 H-1B/E-3 labor condition applications for this employer between Oct 2025 and Jun 2026 (latest Jun 2026) — the step every H-1B hire needs first. USCIS also records 1 H-1B approvals in FY2023. Source: LCA disclosure data (US Department of Labor (OFLC)).
- The posting doesn’t mention sponsorshipSilence isn’t a refusal — ask the recruiter before investing much time.
- No salary bar for this routeH-1B has no fixed salary bar: the employer must pay at least the prevailing wage for the role and area. Cap-subject employers enter a lottery weighted by wage level. Source: https://www.federalregister.gov/documents/2025/12/29/2025-23853/weighted-selection-process-for-registrants-and-petitioners-seeking-to-file-cap-subject-h-1b, rules effective 2026-02-27.
- What Altos Labs INC paid sponsored hires in similar roles8 certified filings for “Scientist II, Biological Sciences” (Molecular and Cellular Biologists) in CA: $127k–$148k, median $141k. Most were filed at wage level III (75%) — 3 lottery entries, ≈46% projected selection odds for cap-subject employers. Source: US Department of Labor LCA disclosure data (Oct 2025 – Jun 2026).
- Confirmed live todayWhen a source last listed this job as open.
US H-1B: cap-subject employers enter a lottery weighted by wage level — Level I gets 1 entry, Level IV gets 4 (DHS projected selection odds ≈15% at Level I to ≈61% at Level IV). Universities and non-profit research employers are cap-exempt. The $100,000 fee for new petitions from abroad is currently blocked by a court order (appeal pending).
A verdict summarises public evidence; it is not legal advice and never a guarantee — the employer and the immigration authority decide. Sign in to factor in where you can already work.
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Sponsor Radar — Altos Labs INC
The US Department of Labor certified 10 H-1B/E-3 labor condition applications for this employer between Oct 2025 and Jun 2026 (latest Jun 2026) — the step every H-1B hire needs first. USCIS also records 1 H-1B approvals in FY2023. Source: LCA disclosure data (US Department of Labor (OFLC)).
Past sponsorship or register membership never guarantees sponsorship for this vacancy or for you. Full Sponsor Radar for Altos Labs INC →
About the role
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. 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 An exciting opportunity is available for a Scientist to join the In Vivo Translational Sciences team within Drug Discovery and Development Sciences (3DS) at Altos Labs. We are seeking a dedicated and highly skilled Scientist for our In Vivo Pharmacology Operations. In this role you will be responsible for the full lifecycle of in vivo pharmacology studies — from design and protocol development through execution, analysis, and interpretation — to support the progression of our therapeutic programs. This role demands a solid understanding of in vivo research methodologies and the ability to operate in a complex, fast-moving research environment. Responsibilities • Lead the full lifecycle of in vivo pharmacology studies across multiple projects — providing in vivo pharmacology and physiology expertise from study design and model selection through dosing and in-life monitoring, tissue collection and processing, data analysis, interpretation, and reporting of results to program teams • Contribute to selection of pharmacodynamic and target-engagement readouts • Contribute to building translational strategy by leveraging in vivo research for target validation and candidate progression • Develop, characterize, and implement new animal models; including models of fibrosis and other age-related pathologies • Evaluate and implement new technologies, platforms, and best practices for in vivo research to enhance study efficiency and quality • Execute studies in both mice and rats, including conducting survival surgeries to establish rodent models using aseptic technique • Occasionally execute downstream ex vivo analyses • Maintain detailed documentation of all studies in the electronic lab notebook to ensure data integrity and traceability • Collaborate with cross-functional partners across discovery biology, pharmacology and assay sciences, DMPK, and technology development to advance therapeutic programs • Ensure all in vivo work meets IACUC-approved protocols and uphold the highest ethical standards in study conduct • Contribute to a team culture that promotes continuous improvement, ownership, professional growth, and inclusion Who You Are • Ph.D. in biological sciences with a minimum of 3-5 years (Scientist) and 6+ years (Sr. Scientist) of industry experience in a drug discovery and development setting • Extensive expertise with all aspects of in vivo rodent research (various dosing routes, anesthesia, surgical procedures, necropsy, tissue processing, etc.) in both mice and rats • Strong commitment to animal welfare and a 3Rs-centered approach to experimental design • Excellent communication skills for effective collaboration with internal teams and external CRO partners • Exceptional organizational skills, strong attention to detail, and the ability to work independently and collaboratively in a dynamic environment • Demonstrate creative thinking and a proactive, solution-oriented mindset; able to design, trou