Flagship Pioneering, Inc.

Senior Research Associate, LNP Production

Flagship Pioneering, Inc. · Cambridge, MA USA

Posted 21 days ago · $81,000 - $107,300

or apply directly on Flagship Pioneering, Inc.'s site. We never take the application ourselves.

Is this posting real?

This role has been open
21 days
Flagship Pioneering, Inc.'s roles stay open a median of 45 days
Reposted
No
Salary listed
Yes
89% of Flagship Pioneering, Inc.'s roles list one
Ghost-job risk at Flagship Pioneering, Inc.
high
50 stale, 1 reposted of 100 open
Hiring momentum
144 roles opened in the last 90 days
↑ up vs. the prior 90 days
Last confirmed on the employer's board
2026-09-17

Measured from postings appearing on and disappearing from Flagship Pioneering, Inc.'s own greenhouse board since 2026-08-03. Full hiring picture for Flagship Pioneering, Inc..

About this role

The Senior Research Associate, LNP Production at Mirai Bio will focus on the design, production, characterization, and optimization of lipid nanoparticle (LNP) formulations for nucleic acid therapeutics. This hands-on role involves executing LNP production across various scales, troubleshooting challenges, and collaborating with cross-functional teams to advance preclinical research and genetic medicine development.

Our read on this posting4.0out of 5
benefits
2/5
freshness
4/5
career value
4/5
role clarity
5/5
pay transparency
5/5

Scored from the posting itself — how clearly the role is described, how much it says about pay and benefits, and how recently it was listed. Not a judgement of Flagship Pioneering, Inc. as an employer.

What you need

  • BS or MS in chemical engineering, biochemical engineering, pharmaceutical sciences, chemistry, biology, or a related scientific discipline
  • BS + 5 years of relevant industry or research experience or MS + 3 years of relevant industry or research experience
  • Hands-on experience with lipid nanoparticle formulation and production, particularly for nucleic acid cargos such as mRNA, siRNA, or other genetic medicines
  • Experience with a range of LNP processing techniques and equipment across multiple scales, including mixers, pumping systems, TFF, and related unit operations
  • Familiarity with common analytical techniques used to characterize LNPs, including measurements of particle size, polydispersity, encapsulation efficiency, and other relevant physicochemical attributes
  • Demonstrated ability to independently execute experiments, troubleshoot technical challenges, interpret data, and drive projects forward

What you get

  • Healthcare coverage
  • Annual incentive program
  • Retirement benefits
  • Broad range of other benefits

Worth weighing

  • Salary range is provided but may vary based on qualifications and experience
  • Role involves hands-on work which may not suit all candidates
  • Fast-paced environment may require strong adaptability and prioritization skills

Summarised from Flagship Pioneering, Inc.'s posting. Read the full original.

Listed by Flagship Pioneering, Inc. on their greenhouse job board, last confirmed open on 2026-09-17. PitchMeAI is not the employer.

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