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Scientist, Investigative Sciences

Alnylam Pharmaceuticals
paid time off
United States, Massachusetts, Cambridge
675 West Kendall Street (Show on map)
Mar 04, 2026
Overview

We are seeking a scientist to join our Investigative Sciences team to help advance our RNAi therapeutics platform by elucidating mechanisms of toxicity and de-risking siRNA ligand candidates through hypothesis-driven, translational investigations. This role will work closely with platform research scientists, DMPK and Bioanalytical Sciences (BA) colleagues to support novel ligand derisking efforts that ensure candidate selection and transition to early development. Candidate would be expected to perform toxicological evaluations of siRNA ligands and elucidate of mechanisms of toxicity utilizing novel in vitro and/or in vivo systems.

This position is onsite and will be primarily located in Cambridge, MA.

Key Responsibilities

  • Design and execute hypothesis-driven mechanistic in vitro and in vivo studies to investigate toxicity findings.
  • Develop and implement cell-based and biochemical assays to assess receptor binding, signaling, endocytosis, and trafficking to support novel ligand candidate derisking and selection.
  • Assess and implement new technologies to support/improve compound toxicity prediction & screening. Preference toward high-throughput or genomics platforms.
  • Collaborate closely with discovery scientists, toxicologists, and pathologists to deconvolute toxicology issues and ensure strategic investigative alignment for candidate selection.
  • Communicate study rationale, results, and recommendations through high-quality reports, presentations, and cross-functional meetings.
  • Maintain high standards of scientific rigor, data integrity

Qualifications

  • Ph.D. degree in Molecular Toxicology, Pharmacology, Immunology, or related field; 1-3 years relevant experience in academia or industry is preferred.
  • Demonstrated knowledge in designing and conducting in vitro or in vivo mechanistic studies
  • Expertise in characterizing receptor-ligand interactions and downstream cell signaling or cellular function readouts is highly desired.
  • Technical proficiency in standard cellular and molecular biology techniques. Experience with high-content imaging and/or flow cytometry is desired.
  • Must be a highly motivated and organized individual with team orientated mentality and enjoy working in fast-paced and collaborative environment.
  • Excellent written and oral communication skills.
  • Experience with in vitro and in vivo translational models for safety assessment preferred.
  • Experience with modalities such as small molecules and biologics preferred.

#LI-JR1

U.S. Pay Range

$107,400.00 - $161,000.00

The pay range reflects the full-time base salary range we expect to pay for this role at the time of posting. Base pay will be determined based on a number of factors including, but not limited to, relevant experience, skills, and education. This role is eligible for an annual short-term incentive award (e.g., bonus or sales incentive) and an annual long-term incentive award (e.g., equity).

Alnylam's robust Total Rewards package is designed to support your overall health and well-being. We offer comprehensive benefits including medical, dental, and vision coverage, life and disability insurance, a lifestyle reimbursement program, flexible spending and health savings accounts and a 401(k)with a generous company match. Eligible employees enjoy paid time off, wellness days, holidays, and two company-wide recharge breaks. We also offer generous family resources and leave. Our commitment to your well-being reflects our belief that caring for our people fuels the impact we create together.

Learn more about these and additional benefits offered by Alnylam by visiting the Benefits section of the Careers website: https://www.alnylam.com/careers

AboutAlnylam

We are the leader in RNAi therapeutics- a revolutionaryapproach with the potential to transform the lives of people with rare and common diseases. Built on Nobel Prize-winning science, Alnylam has delivered the breakthroughs that made RNAi therapeutics possibleand are just at the beginning of what's possible. Our deep pipeline, late-stage programs, and bold vision reflect our core values: fierce innovation, passion for excellence, purposeful urgency, open culture and commitment to people. We're proud to be a globally recognized top employer, wherean authentic, inclusive culture and breakthrough thinkingfuel one another.

At Alnylam, we commit to an inclusive recruitment process and equal employment opportunity. Qualified applicants will receive consideration for employment without regard to their sex, gender or gender identity, sexual orientation, race, color, ethnicity, national origin, ancestry, citizenship, religion, creed, physical or mental disability, pregnancy status or related conditions, genetic information, veteran or military status, marital or familial status, political affiliation, age, or any other factor protected by federal, state, or local law. Alnylam is an E-Verify Employer.

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