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Principal Scientist – Analytical Development

Hemab Therapeutics
Cambridge, MA Full Time
POSTED ON 1/28/2026 CLOSED ON 2/26/2026

What are the responsibilities and job description for the Principal Scientist – Analytical Development position at Hemab Therapeutics?

About Hemab

Hemab is a clinical-stage biotech company on a mission to develop innovative treatments for neglected bleeding and thrombotic disorders. With sites in Copenhagen and Boston, we combine high-impact science with a collaborative culture as we progress toward commercialization.


Position Summary

We are seeking a Principal Scientist to fill a specialist role in Analytical Development with strong experience in the analysis of biologics to support late-stage activities, including method validations/Quality Control activities to support commercial readiness, setting and justifying specifications, process and product characterization, and preparing CMC sections in regulatory submissions (BLAs/MAAs). You will play a key role in driving analytical development strategies and managing analytical activities at multiple CROs/CDMOs.

This position spans both early- and late-stage development, ensuring smooth progression from clinical manufacturing to commercial readiness.


Key Responsibilities

Early-Stage Analytical Development

  • Support early-stage biologics programs by applying phase-appropriate strategies for analytical development.
  • Collaborate with Drug Substance, Drug Product, Research, Quality, and Regulatory teams to align on required analytical support.
  • Provide technical input to CDMOs on method development and validation, setting and justifying specifications, early-stage product characterization, reference standard establishment, stability protocols, risk assessments, etc.
  • Author and/or review CMC sections of Phase 1/2 regulatory submissions.


Late-Stage Analytical Development

  • Manage analytical method transfer, optimization, and validation efforts with external partners to support commercial readiness.
  • Ensure an appropriate, mechanism of action-based potency assay is in place to support Phase 3 readiness (experience with non-cell-based potency assays is a plus).
  • Provide analytical support and guidance for process characterization activities, including the determination of Critical Quality Attributes, and ensure methods are appropriately validated for testing In-Process Controls.
  • Provide technical input to CDMOs on method validations, setting and justifying specifications, comparability assessments, late-stage product characterization, reference standard establishment, stability protocols, risk assessments, etc.
  • Prepare CMC sections for regulatory submissions (BLAs/MAAs) with emphasis on analytical sections; if necessary, represent the company as the analytical expert in interactions with regulatory authorities, including preparation of requests and responses.


Continuous Improvement

  • Monitor regulatory trends and integrate new analytical approaches.
  • Lead and manage the work of analytical CROs/CDMOs, material suppliers, consultants, vendors, and collaborators to support analytical activities.
  • Identify and execute opportunities to improve efficiency and reduce costs.
  • Share best practices and advise colleagues on data interpretation.


Qualifications

Education & Experience

  • Bachelor’s degree in a relevant subject (e.g. analytical chemistry, protein chemistry, chemistry, biochemistry, biotechnology, etc.) at a minimum, with a Master’s degree or Ph.D. preferred.
  • 7 years of industry experience in the analysis of biologics, especially at late-stage, and a strong history of collaboration with CDMOs.


Technical Expertise

  • Proven experience providing analytical support to biologics programs, especially antibodies, from first-in-human through commercialization.
  • Practical knowledge of phase-appropriate analytical method development and validations, product characterization, and comparability assessments
  • Direct experience with regulatory submissions such as BLAs/MAAs, ideally across multiple programs, especially to support late-stage biologics programs.
  • Solid understanding of ICH guidelines and pharmacopeias for stability and method validation expectations.
  • Experience with mechanism of action-based potency assays is a plus.
  • Experience establishing reference standards is a plus.


Skills & Competencies

  • Strong project management and organizational abilities.
  • Excellent communication and technical writing skills for regulatory documentation.
  • Collaborative mindset and ability to work effectively with external partners.
  • Flexible, proactive, and comfortable operating in a fast-paced biotech environment at a company spread out across multiple time zones.


Working Conditions

  • Travel: ~15 days per year (flexible)
  • Reports to: Rane Harrison, Director of Analytical Development, CMC
  • Team: CMC and Manufacturing

Salary.com Estimation for Principal Scientist – Analytical Development in Cambridge, MA
$144,446 to $181,393
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