Principal Scientist, Drug Substance Process Development & Manufacturing (mAB development focus)

The Role: We are seeking a Principal Scientist, DS Process Development & Manufacturing, to join our growing Drug Substance group at Generate:Biomedicines. This role will support monoclonal antibody (mAb) drug substance development with a strong MS&T focus, bridging process development, scale-up, tech transfer, and GMP manufacturing execution. The position offers broad exposure across upstream and downstream operations, CDMO management, and quality systems. Here's how you will contribute: * Support Drug Substance process development and manufacturing activities (e.g., upstream expression, purification, UF/DF, viral clearance) * Design and execute scale-up, process characterization, and PPQ-enabling studies * Own tech transfer and support GMP campaigns at CDMO (person-in-plant support as needed) * Review and/or author GMP documentation including batch records, change controls, deviations and CAPAs * Provide technical leadership for GMP manufacturing, including troubleshooting and data-driven decision making * Partner cross-functionally across CMC, QA, Regulatory, and Supply Chain to drive program execution

• Drive continuous process improvement and process robustness initiatives
• Leverage AI-driven tools for knowledge management and data analysis to enable

efficient and scalable CMC workflows The Ideal Candidate will have: * PhD or MS in Chemical Engineering, Biochemistry, or related field with relevant industry experience in biologics manufacturing * 5–8 years of industry experience in Drug Substance process development and/or GMP manufacturing in a biotech/pharma setting

• Strong attention to detail with the ability to analyze complex technical data
• Excellent communication and strong technical writing skills
• Experience working with CDMOs, supporting tech transfer, and regulatory

submissions * Hands-on experience with GMP documentation (eg: executed Batch Records) and quality systems (deviations, change control, CAPA) * Demonstrated ability to lead complex technical programs and collaborate effectively in cross-functional teams. * Familiarity of regulatory issues pertaining to the manufacture of biologics, process validation, QbD principles and industry trends Nice to Have (Optional)

• Experience supporting BLA/IND submissions.
• Exposure to accelerated development environments for early to late-stage

program transitions Location: This role is based out of Somerville, MA with flexibility for hybrid work (1-2 days a week in the office). Why Join Us? This is an opportunity to contribute to the development of innovative biologics at a company transforming medicine through Generative Biology™. At Generate Biomedicines, you’ll work closely with cross-functional teams and external partners to support the delivery of high-quality Drug Substance for clinical programs. You’ll gain or broaden your exposure to late-stage CMC activities, collaborate with leading CDMOs, and play a key role in ensuring robust documentation and data integrity for products that matter to patients. About Generate Biomedicines We are a clinical-stage generative biology company pioneering the AI revolution in drug design and development. We are advancing a new approach to drug creation—one grounded in the ability to design proteins with defined biological intent. By integrating machine learning with large-scale experimentation, this approach aims to reduce the uncertainty, time, and cost associated with developing protein-based medicines. Founded in 2018, we are advancing a growing pipeline of clinical and preclinical programs across multiple disease areas and protein modalities. By unifying computational design and clinical development within a single operating model, we translate this approach into clinical-stage programs and are leading a shift from traditional drug discovery toward systematic drug generation. At Generate:Biomedicines, we collaborate across disciplines in new ways to invent and innovate. We bring diverse perspectives to a shared goal of delivering better medicines to patients in need, faster, guided by our values and leadership behaviors. Generate:Biomedicines is committed to equal employment opportunity regardless of race, color, ancestry, religion, sex, national origin, sexual orientation, age, citizenship, marital status, disability, gender identity or Veteran status. Recruitment & Staffing Agencies: Generate:Biomedicines does not accept unsolicited resumes from any source other than candidates. The submission of unsolicited resumes by recruitment or staffing agencies to Generate:Biomedicines or its employees is strictly prohibited unless contacted directly by the Company’s internal Talent Acquisition team. Any resume submitted by an agency in the absence of a signed agreement will automatically become the property of Generate:Biomedicines and the Company will not owe any referral or other fees with respect thereto.

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Compensation: The base salary range provided reflects our current estimate of what we anticipate paying for this position. Your actual base salary will be based on several factors, including job-related skills, experience, internal equity, relevant education or training, and market dynamics. In addition, you will be eligible for an annual bonus, equity compensation, and a competitive benefits package. Per Year Salary Range

$160,000—$224,000 USD