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Associate Director, Drug Substance

Amylyx Pharmaceuticals is a clinical-stage biopharmaceutical company focused on developing therapies for high unmet medical needs, including PBH, Wolfram syndrome, PSP, and ALS. The Associate Director, Drug Substance will serve as the technical drug substance owner for a Phase III synthetic peptide (Avexitide) and a pre-clinical antisense oligonucleotide (AMX-0114), partnering closely with external CDMOs to develop, scale up, validate, and support global CMC submissions.

Skills

  • Expertise in oligonucleotide and synthetic peptide process development and scale-up
  • Strong knowledge of cGMP, ICH guidance, and FDA CMC expectations
  • Experience managing CDMO relationships and technology transfers
  • Ability to author regulatory Module 3 and validation documentation
  • Data-driven problem solving, risk assessment, and decision making
  • Clear cross-functional communication and stakeholder influence

Responsibilities

  • Lead drug substance process development from early clinical phases through NDA, ensuring Module 3 supports global filings and registrations
  • Serve as technical SME and process owner for oligonucleotide and peptide drug substance manufacturing
  • Develop scalable, robust manufacturing processes and impurity control strategies with contract manufacturing organizations
  • Evaluate and qualify CDMOs for toxicology and clinical material supply and lead tech transfers
  • Monitor GMP operations, review clinical batch records, trend process data, and support quality events
  • Author Module 3 content for IND/NDA, Master Batch Records, and validation plans/reports
  • Assess regulatory impact of proposed changes and mitigate supply risk
  • Track critical path activities, anticipate risks, and develop contingency and decision plans
  • Collaborate regularly with Regulatory, Quality, Analytical Development, Supply Chain, and External Manufacturing
  • Travel to global manufacturing sites to support operations and validation (up to ~10%)

Education

  • Bachelor’s degree in organic chemistry, chemical engineering, or related field (required)
  • Master’s degree in a relevant field preferred

Benefits

  • Remote work opportunities within the United States with periodic travel to Cambridge, MA
  • Inclusion in company-wide professional development and collaboration with cross-functional CMC teams
  • Equal Opportunity Employer with reasonable accommodations during the selection process
  • Opportunity to contribute to late-stage clinical and registration activities for high-impact therapies
To read the complete job description, please click on the ‘Apply’ button
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Average salary estimate

$175000 / YEARLY (est.)
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$150000K
$200000K

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SENIORITY LEVEL REQUIREMENT
TEAM SIZE
SALARY RANGE
$150,000/yr - $200,000/yr
EMPLOYMENT TYPE
Full-time, remote
DATE POSTED
October 24, 2025
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