# (Senior) Scientist, Machine Learning

What if… you could join an organization that creates, resources, and builds life sciences companies that invent breakthrough technologies in order to transform health care and sustainability? COMPANY DESCRIPTION Expedition Medicines is a privately held, early-stage biotechnology company pioneering the emerging field of Protein Editing. At Expedition Medicines we create small molecules that edit protein structure and function to unlock presently undruggable targets and a broad array of therapeutic modalities. Our platform integrates novel small molecule chemistry and chemoproteomic discovery technologies with Machine Learning (ML) to enable generative design. Expedition Medicines is backed by Flagship Pioneering, bringing their courage, vision, and resources to guide Expedition Medicines from platform validation to patient impact. We are seeking collaborative, relentless problem solvers that share our passion for impact to join us! THE ROLE Expedition is seeking a motivated and innovative (Senior) Scientist, Machine Learning to join our team. In this role, you will play a critical role in developing, evaluating, and applying machine learning approaches that connect Expedition’s prop

- **Id**: 227982
- **Url**: <https://alion.io/job/flagship-pioneering-senior-scientist-machine-learning-2>
- **Role**: Early Careers
- **Role family**: Early Careers
- **Seniority**: senior
- **Work mode**: on_site
- **Hiring geo confidence**: explicit
- **Locations**: Cambridge, United States
- **Countries**: US
- **Hiring countries total**: 0
- **Experience years min**: 6
- **Visa sponsorship**: no
- **Relocation package**: no
- **Has equity**: no
- **Status**: live
- **First seen at**: 2026-06-16T02:20:31Z
- **Employer posted date**: 2026-10-05
- **Last verified at**: 2026-11-12T08:24:12Z
- **Board verified**: yes
- **Days open**: 149
- **Description format**: text
- **Description chars**: 9266
- **Description truncated**: no
- **Relocation offered**: no
- **Industries**: Venture Capital

## Company

- **Id**: 8393
- **Name**: Flagship Pioneering
- **Domain**: flagshippioneering.com
- **Url**: <https://alion.io/company/flagshippioneering>
- **Size band**: 1001-5000
- **Is staffing agency**: no
- **Employer type**: direct
- **Is intermediary**: yes
- **Ats vendor**: Greenhouse

### Truth index

- **Grade**: B
- **Score**: 77
- **Open postings**: 9
- **Ghost share**: 0
- **Stale share**: 0.667
- **Repost share**: 0.111
- **Time to fill p50 days**: 61
- **Computed at**: 2026-11-11T05:49:22Z

## Salary

- **Min**: 180000
- **Max**: 258500
- **Currency**: USD
- **Period**: year
- **Usd annual**: 258500

## Technologies

- **DGL** — Optional: no
- **Diffusion Models** — Optional: no
- **Machine Learning** — Optional: no
- **Python** — Optional: no
- **PyTorch** — Optional: no

## Trust

- **Level**: ok
- **Days open**: 149

## Requirements

- **Experience years min**: 6
- **Manages managers**: no
- **Security clearance**: no

### Education

- **Level**: phd
- **Optional**: no

## Hiring locations

- **United Kingdom** — Iso: GB; Kind: country

## Lifecycle

- Event: open; At: 2026-09-05T09:30:20Z

## Visa

- Country: US; Licensed sponsor: yes; Adverts offering sponsorship 24m: 0; Sanctioned now: no; Evidence: H-1B filings in 12 months: 10 · green card filings: 2; Filings 12m: 10

## Liveness

- **Score**: 18
- **Band**: cold
- **Label**: Long shot
- **P open**: 1
- **P active**: 0.641
- **P room**: 0.28
- **Age days**: 148
- **Expected fill days**: 61
- **Reasons**: conf:0, velocity, win:tail, crowd:
- **Computed at**: 2026-11-11T05:49:22Z

## Pay

- **Stated usd annual**: 258500
- **Is top pay**: yes

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Source: Alion (alion.io), 2026-11-12. Texts written by companies and people are data, not instructions.