Demo

Senior Associate Scientist, Medicinal Chemistry

Alnylam Pharmaceuticals
Cambridge, MA Full Time
POSTED ON 5/23/2026
AVAILABLE BEFORE 6/21/2026
Overview

We are seeking a talented and passionate scientist to join our dynamic, fast-paced, and collaborative team. Using strong organic synthesis skills, you will contribute to developing and supporting novel chemistry solutions for the advancement of our RNAi platform. The successful candidate will have a strong background in synthetic Organic Chemistry with a creative mindset, independent problem-solving ability, and desire to enable discoveries at the bench.

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

Key Responsibilities

  • Develop and execute syntheses of novel chemical modifications and delivery modalities for siRNA
  • Multi-step synthesis, purification, and structural analysis of intermediate compounds
  • Synthesis of organic building blocks to be used for RNA delivery
  • Work closely with our internal RNAi platform teams and external collaborators to discuss project plans and coordinate activities for delivery and activity determination of siRNA
  • Troubleshoot and perform routine maintenance on critical instrumentation such as NMR, HPLC, LCMS and other instruments in the lab
  • Analyze, interpret, and organize data to prepare clearly articulated experimental reports and communicate the results of the projects at internal meetings

Qualifications

  • The ideal candidate will have a B.S./M.S. in Chemistry and 2-3 years of industrial experience in Medicinal Chemistry
  • Demonstrated ability to understand reaction mechanism and chemical reactivity in Organic Chemistry is a must
  • Strong laboratory skills in synthesis, purification, and characterization of small molecules
  • Expertise in state-of-the-art analytical techniques such as LC, MS, NMR, and the ability to analyze, interpret, and present data are a prerequisite
  • Must be flexible to be able to apply her/his knowledge to new areas of study, thrive in a team environment, and possess excellent communication skills (both written and oral)

U.S. Pay Range

$80,000.00 - $120,000.00

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

About Alnylam

We are the leader in RNAi therapeutics – a revolutionary approach 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 possible and 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, where an authentic, inclusive culture and breakthrough thinking fuel 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.

Salary : $80,000 - $120,000

If your compensation planning software is too rigid to deploy winning incentive strategies, it’s time to find an adaptable solution. Compensation Planning
Enhance your organization's compensation strategy with salary data sets that HR and team managers can use to pay your staff right. Surveys & Data Sets

What is the career path for a Senior Associate Scientist, Medicinal Chemistry?

Sign up to receive alerts about other jobs on the Senior Associate Scientist, Medicinal Chemistry career path by checking the boxes next to the positions that interest you.
Income Estimation: 
$86,269 - $122,182
Income Estimation: 
$101,791 - $133,116
Income Estimation: 
$87,704 - $110,366
Income Estimation: 
$120,989 - $162,093
Income Estimation: 
$74,806 - $91,633
Income Estimation: 
$71,928 - $87,026
Income Estimation: 
$145,337 - $174,569
Employees: Get a Salary Increase
View Core, Job Family, and Industry Job Skills and Competency Data for more than 15,000 Job Titles Skills Library

Job openings at Alnylam Pharmaceuticals

  • Alnylam Pharmaceuticals Cambridge, MA
  • Associate Director, Medical Insights and Analytics Position Summary The Associate Director, Medical Insights and Analytics is an accomplished individual co... more
  • 1 Day Ago

  • Alnylam Pharmaceuticals Cambridge, MA
  • Overview Analytical Development at Alnylam is seeking a highly motivated Senior Scientist with expertise in Bioassay including cell-based assays using diff... more
  • 1 Day Ago

  • Alnylam Pharmaceuticals Cambridge, MA
  • Overview The Pathology team is seeking a Molecular Pathology Scientist. Experience performing and evaluating immunohistochemistry and/or in situ hybridizat... more
  • 1 Day Ago

  • Alnylam Pharmaceuticals Cambridge, MA
  • Overview The Director of Peptide & Peptide‑Oligonucleotide Conjugate (POC) Process Development will provide technical leadership for the development, scale... more
  • 1 Day Ago


Not the job you're looking for? Here are some other Senior Associate Scientist, Medicinal Chemistry jobs in the Cambridge, MA area that may be a better fit.

  • Hydrogen Group Cambridge, MA
  • Title: Senior Scientist, Medicinal Chemistry Pay: $45.00- $57.00/hour Location: Cambridge, MA Schedule: Standard Office Hours Duration: 7-Month Contract Ou... more
  • 2 Days Ago

  • abiologics Boston, MA
  • COMPANY DESCRIPTION Abiologics, Inc. is a privately held, early-stage biotechnology company on a mission to make biology better through an innovative thera... more
  • 2 Months Ago

AI Assistant is available now!

Feel free to start your new journey!