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Senior Research Associate/Associate Scientist, Preclinical Formulation Development

Expedition Medicines is an early-stage, privately held biotechnology company advancing a platform for protein editing to drug previously undruggable targets. The company is seeking a motivated, detail-oriented Senior Research Associate/Associate Scientist to work on preclinical small-molecule formulation development, providing fit-for-purpose formulations, characterization, and support to cross-functional discovery teams.

Skills

  • Hands-on experience preparing preclinical formulations for small molecules
  • Practical use of analytical techniques: HPLC/UPLC, UV-Vis, DSC, XRPD, PLM
  • Experience with solubility, dissolution, particle size and chemical stability testing
  • Data analysis using Excel, Prism or similar software
  • Basic understanding of PK and biopharmaceutics principles
  • Familiarity with GLP/GMP documentation and lab notebook practices
  • Ability to manage multiple parallel tasks and meet timelines
  • Strong written and oral communication and cross-functional collaboration
  • Independent bench work capability and basic equipment troubleshooting
  • Coordination with external labs and service vendors

Responsibilities

  • Prepare stage-appropriate preclinical formulations (solutions, suspensions, emulsions, nanoparticles, SEDDS) for oral and parenteral small-molecule studies at small scale
  • Author protocols and templated memos/reports for internal and external formulation activities
  • Characterize drug substances using HPLC/UPLC, XRPD, DSC, PLM and assess solubility, dissolution, particle size and chemical stability
  • Provide routine lab support including buffer and mobile phase preparation, pH meter calibration, equipment troubleshooting, and vendor coordination
  • Coordinate shipping/receiving of samples with internal and external sites
  • Summarize and present experimental results at team and department meetings
  • Maintain detailed lab notebooks and records in compliance with GLP/GMP guidelines (as applicable)
  • Evaluate novel drug delivery systems (lipid-based, amorphous solid dispersions, spray drying) for poorly soluble compounds
  • Support bridging studies and transition of formulations from discovery to clinical development
  • Design and execute focused experiments to advance cross-functional formulation initiatives

Education

  • B.S. or M.S. in Chemistry, Biochemistry, Chemical Engineering, or related discipline (required)
  • Relevant industry or government lab experience in small-molecule formulation (preferred at higher levels)

Benefits

  • Healthcare coverage
  • Annual incentive program
  • Retirement benefits
  • Broad range of additional company benefits
  • Collaborative, mission-driven research environment
  • Opportunities to work at the interface of discovery and development
To read the complete job description, please click on the ‘Apply’ button

Average salary estimate

$103750 / YEARLY (est.)
min
max
$81000K
$126500K

If an employer mentions a salary or salary range on their job, we display it as an "Employer Estimate". If a job has no salary data, Rise displays an estimate if available.

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FUNDING
SENIORITY LEVEL REQUIREMENT
TEAM SIZE
SALARY RANGE
$81,000/yr - $126,500/yr
EMPLOYMENT TYPE
Full-time, onsite
DATE POSTED
November 3, 2025
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