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Crossbow Therapeutics is looking for a

Associate Director, Process Development

Crossbow Therapeutics, Inc., is a biotechnology company determined to improve the lives of people with cancer by unlocking the therapeutic potential of T-cell receptor (TCR)-mimetic antibodies. The company’s T-BoltTM therapies are next-generation, easily assembled immunotherapies directed with high precision at previously unreachable cancer cell targets. Crossbow’s efficient and selective approach is designed to target the entire universe of cancer proteins, dramatically expanding the potential of antibody therapy to address many types of cancer. 

Join us on our bold quest to broaden the benefits of immunotherapy and improve the lives of people living with cancer. For more information, visit us at

About The Opportunity 

This is a full-time position and working remotely with an opportunity to be a part of a scientific lab team. The level of the position will be commensurate with the candidate’s education and industry experience.

Key Responsibilities: 

  • Lead process development activities at CDMOs to ensure cGMP clinical manufacturing processes are developed and executed to meet project timelines, budgets, and quality standards.

  • Monitor the manufacturing of drug substance and drug product.

  • Author module 2.3 and 3 sections of IND filings and ensure compliance with regulatory requirements.

  • Develop and implement analytical strategies for lot release testing and characterization, including mass spec and other related analytical techniques.

  • Collaborate with cross-functional teams to ensure timely completion of project milestones.

  • Provide technical expertise and guidance to junior team members.

  • Flexibility and a willingness to travel to CDMO and work international time zones is essential.

Preferred qualifications and past experience: 

  • Ph.D. in Biochemistry, Chemistry, or related field with a minimum of 5 years of Biologics Process Development experience in a drug development company or Master's degree with a minimum of 10 years of Biologics Process Development experience.

  • Strong knowledge of bi-specific antibody therapeutics drug development, process development, cGMP manufacturing, and regulatory requirements.

  • Experience in authoring Module 2.3 and 3 CTD sections of IND filings is required and familiarity with regulatory standard and guidance documents for all phases of development is preferred..

  • Proven track record of managing CDMOs for drug substance and drug product development and manufacturing.

  • Strong knowledge of analytical techniques for lot release testing and characterization, including mass spec.

  • Excellent communication, organizational, and project management skills.


To apply for this role: Send your resume directly to

Location: This position has a remote structure with required travel as needed. Crossbow Therapeutics is located at 1030 Massachusetts Ave. Suite 210, Cambridge, Massachusetts.

To all agencies: All resumes submitted by search firms/employment agencies at Crossbow via email, the internet, or in any form and/or method will be deemed the sole property of Crossbow Therapeutics and no fee will be paid by Crossbow, unless such search firms/employment agencies were engaged by Crossbow for this position and a valid agreement is in place.

A note about recruitment scams: Please be aware of potential recruitment scams, which can appear like legitimate work opportunities where the scammer pretends to work at Crossbow Therapeutics. To help protect yourself from those types of scams, please know that

  • Crossbow will never ask for money or fees at any point during the interview process - if you are being asked to send money as part of your interaction, do not send money;

  • Crossbow never asks applicants to communicate through Telegram or Skype - if you are being asked to download Telegram or Skype for a job interview, do not download;

  • Crossbow employees will only email you from an official email account.

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