---
title: 'Associate Project Manager / Project Manager at Sail Biomedicines'
canonical: 'https://feeny.ai/job/associate-project-manager-project-manager-sail-biomedicines-cambridge-mwz44mhbz3pz'
type: 'job'
last_seen: '2026-09-12'
---

# Associate Project Manager / Project Manager at Sail Biomedicines 

- **Company:** Sail Biomedicines 
- **Location:** Cambridge, MA
- **Posted:** 2026-07-10
- **Last confirmed live:** 2026-09-12
- **Apply:** https://job-boards.greenhouse.io/sendabiosciences/jobs/8627622002

## Job description

## About Sail

Sail Biomedicines is pioneering the integrative design and deployment of fully programmable medicines to transform patient care. Sail’s platform combines first-in-class programmable circular RNA technology (Endless RNA™ or eRNA), and an industry-leading platform of programmable nanoparticles, utilizing natural components, to unlock comprehensive programming of medicines for the first time. By leveraging cutting-edge eRNA and nanoparticle deployment technology, Sail is also making unparalleled use of AI techniques to identify and design fully programmable medicines that are potent, targeted, versatile, and tunable. Sail was founded by Flagship Pioneering.

## The Role

The Associate Project Manager / Project Manager will oversee cross-functional programs across research, development, and operational teams. This role will partner closely with scientists, technical experts, and executive leadership to ensure projects are executed efficiently, risks are managed proactively, and key milestones are achieved on schedule.

The ideal candidate combines strong project management expertise with an understanding of the biotechnology industry and the ability to navigate complex, fast-paced environments.

## Responsibilities

- Develop and maintain integrated project plans, timelines, budgets, and resource forecasts.
- Coordinate project activities across functions and external partners.
- Track project progress against key milestones, deliverables, and objectives.
- Develop mitigation strategies and escalation plans.
- Facilitate project team meetings and ensure clear communication of decisions, risks, and action items.
- Foster collaboration and resolve issues that may impact timelines, scope, or quality.
- Drive accountability and alignment across stakeholders to maintain project momentum.
- Support strategic planning and prioritization activities across multiple programs.
- Prepare project updates, dashboards, and executive-level presentations.
- Support portfolio review meetings and governance processes.

## Qualifications

- Bachelor's degree in Life Sciences, Biotechnology, Engineering, or a related field with 5+ years of project management or project coordination experience; or Advanced degree (MS, PhD, or ScD) with 2+ years demonstrated experience contributing to or leading cross-functional project teams.
- Experience managing timelines and deliverables and driving execution toward strategic objectives.
- Ability to manage multiple priorities in a dynamic environment.
- Strong organizational, communication, and stakeholder management skills.
- Experience using project management tools such as Smartsheet, Microsoft Project, or similar platforms.
- Demonstrated ability to build relationships, influence without authority, and drive alignment across diverse stakeholders.

Candidates will be considered for either the Associate Project Manager or Project Manager level based on experience and demonstrated project leadership capabilities.

Salary Range: $105,000-$140,000

Sail Biomedicines is an Equal Opportunity Employer. Sail does not discriminate based on race, religion, color, sex, gender identity, sexual orientation, age, national origin, veteran status, or any other status protected under federal, state, or local law.

## About Sail Biomedicines 

## Company Overview
- **One-liner**: Sail Biomedicines is pioneering a fully programmable RNA medicines platform by combining proprietary circular RNA technology (eRNA) with targeted nanoparticles and generative AI to treat autoimmune, metabolic, infectious, and rare diseases.
- **Entity Type**: Private (backed by Flagship Pioneering, formed in October 2023)
- **Headquarters**: Cambridge, Massachusetts, USA
- **Founded**: October 2023 (formed from the combination of first-in-category technologies within the Flagship Pioneering ecosystem, bringing together more than eight years of combined data)
- **Founders**: The company was formed by Flagship Pioneering; key leadership includes John Mendlein, J.D., Ph.D. (Executive Chairman), Gene Marcantonio, M.D., Ph.D. (Chief Medical Officer), Amy Espeseth (SVP, Platform), and others.

## Core Business
- **Primary industry**: Biotechnology / RNA Therapeutics / Drug Discovery
- **Target customers**: B2B / Biopharma partnerships; ultimate customers are patients with chronic and serious diseases (autoimmune, metabolic, infectious, rare)
- **Mission statement**: "We work at the frontier of programmable medicines. We power our bioplatform and product candidates by harnessing evolution and AI. We operate with purpose and urgency on behalf of people everywhere. We aim to generate life-changing impact for the world."

## Products & Services
- **Sail Platform (Endless RNA™ / eRNA™)**: A novel class of translatable, stable circular RNA. Unlike conventional linear mRNA, eRNA is protected from exonuclease degradation, leading to prolonged protein expression in vivo (days vs. 1-2 days for mRNA). This enables less frequent dosing and opens the door for treating chronic diseases requiring intracellular or transmembrane protein replacement.
- **Targeted Nanoparticles (TNPs)**: A modular, clinically validated lipid nanoparticle core conjugated with disease-specific targeting ligands. These TNPs enable precise, extra-hepatic delivery of eRNA cargo to specific cell types, minimizing off-target exposure. The same core can be rapidly adapted with different ligands.
- **Generative AI & Data Platform**: Proprietary AI algorithms integrated with high-throughput prototyping to design both the RNA sequence and the nanoparticle delivery system in an integrated manner, aiming to program medicines to spec.

## Market Standing
- **Valuation / Funding**: Not publicly disclosed. As a Flagship Pioneering portfolio company, it benefits from substantial, long-term venture funding typical of Flagship’s "venture creation" model. The company was formed in 2023, so it is in an early-stage, pre-revenue R&D phase.
- **Key Metric**: Total funding is not publicly available; the company is privately held and was formed through an internal combination of assets from Flagship’s ecosystem (including Laronde and Senda Biosciences).
- **Notable Investors/Partners**: Flagship Pioneering is the founding and primary backer. The company's leadership includes experienced executives from the Flagship network.
- **Growth Signals**: The company is actively hiring across multiple senior roles (Senior Director of Delivery, Director of Translational Biology, Associate Director of Clinical Supply Chain, Senior Scientist in Data Science), indicating a ramp-up from platform development toward preclinical and early clinical activities.

## Competitive Advantages
- **Most Complete Toolkit**: Sail claims to have the industry's only platform that integrates programmable pharmacology (eRNA) with programmable deployment (TNPs) and AI-driven design, all in one system.
- **Durable eRNA**: The circular RNA technology offers significantly longer protein expression than linear mRNA, a major differentiator for chronic disease applications.
- **Modular Nanoparticle Platform**: The TNP core is clinically validated and can be rapidly re-targeted by swapping ligands without reformulating the core, enabling faster path to IND for multiple indications.
- **AI-Powered Integration**: The company generates proprietary functional data at high throughput to train AI models that design both the RNA and the nanoparticle in an integrated manner, a capability few competitors have.
- **Flagship Ecosystem Backing**: Deep resources, long-term capital, and a history of building category-defining biotechs (Moderna, etc.) provide a strong foundation.

## Strategic Focus
- **Current priorities**: Advancing the eRNA-TNP platform toward the clinic; building out the AI/digital sciences team; expanding the pipeline in autoimmune, metabolic, infectious, and rare diseases; demonstrating in vivo proof-of-concept for extra-hepatic targeting with TNPs.
- **Direction for growth**: Moving from platform R&D to IND-enabling studies and first-in-human trials; establishing partnerships with larger pharma for specific indications; scaling the manufacturing process for eRNA and TNPs.

## Why Work Here
- **Culture**: "We work at the frontier of programmable medicines. We operate with purpose and urgency on behalf of people everywhere." The company emphasizes a culture of excellence, shared dedication, and groundbreaking science.
- **Remote/Hybrid Policy**: Roles are listed in Cambridge, MA, suggesting an on-site or hybrid model at the headquarters (140 First Street, Cambridge, MA 02141).
- **Notable Perks** (from careers page):
    - Generous salary and employee stock option plan
    - Competitive health, dental, and vision benefits
    - Retirement savings program
    - Paid parental, adoption, and caregiver leave
    - Long- and short-term disability and life insurance
    - Employee assistance program
    - Free parking, monthly subway pass, or subsidized commuter rail pass
    - Free lunch every week and a kitchen stocked with healthy snacks
- **Engineering/Science Culture**: The company is building a "bioplatform" that integrates AI, data science, and high-throughput experimentation. This is an ideal environment for scientists and engineers who want to work at the intersection of computational biology, machine learning, and RNA therapeutics. The team includes leaders in AI and digital sciences, pharmacology, and nanoparticle delivery.

## Sources
1. [sail.bio](https://www.sail.bio/)
2. [sail.bio - About Us](https://www.sail.bio/about-us/)
3. [sail.bio - Our Science](https://www.sail.bio/our-science/)
4. [sail.bio - Careers](https://www.sail.bio/careers/)
5. [Greenhouse Job Board](http://job-boards.greenhouse.io/sendabiosciences)

## Other roles at Sail Biomedicines 

- [Scientist I](https://feeny.ai/job/scientist-i-sail-biomedicines-cambridge-e9n5yhd2xeak) — Cambridge, MA
- [Research Associate II, Preclinical Manufacturing](https://feeny.ai/job/research-associate-ii-preclinical-manufacturing-sail-biomedicines-cambridge-49vd1degc0y1) — Cambridge, MA
- [Senior Research Associate, Platform RNA Sciences](https://feeny.ai/job/senior-research-associate-platform-rna-sciences-sail-biomedicines-cambridge-c0n3by59f31b) — Cambridge, MA
- [Senior Research Associate, High-Throughput RNA Production](https://feeny.ai/job/senior-research-associate-high-throughput-rna-production-sail-biomedicines-ytr4fcfv77pt) — Cambridge, MA
- [Scientist, Platform RNA Sciences](https://feeny.ai/job/scientist-platform-rna-sciences-sail-biomedicines-cambridge-x5e3e1ccssb8) — Cambridge, MA
- [Senior Research Associate](https://feeny.ai/job/senior-research-associate-sail-biomedicines-cambridge-11ngttpwsden) — Cambridge, MA
- [Associate Scientist, Formulation, Pilot Lab](https://feeny.ai/job/associate-scientist-formulation-pilot-lab-sail-biomedicines-cambridge-v21s80qjbt2a) — Cambridge, MA
- [Senior Scientist I, Data Science](https://feeny.ai/job/senior-scientist-i-data-science-sail-biomedicines-cambridge-sb4vx0r1ga9s) — Cambridge, MA