Senior Regulatory CMC Consultant - ADC / Drug Substance

Senior Regulatory CMC Consultant – ADC Linker-Payload Drug Substance

6-Month Contract (Renewable) Remote – Europe

Opportunity

An exciting opportunity has arisen for an experienced Senior Regulatory CMC Consultant to support a late-stage oncology programme focused on Antibody Drug Conjugates (ADCs). This is a high-impact consultancy position where you will lead the global regulatory strategy for the linker-payload drug substance component of an innovative ADC programme as it progresses towards major regulatory submissions.

Working within a collaborative Regulatory CMC environment, you will play a critical role in ensuring that the drug substance regulatory package is submission-ready for both European and US health authorities.

This is a fully remote position within Europe offered initially as a 6-month contract with strong likelihood of extension.

Key Responsibilities

* Lead Regulatory CMC strategy for the ADC linker-payload drug substance

* Provide strategic guidance for global regulatory submissions, including FDA and EMA marketing applications

* Drive development and review of Module 3 drug substance documentation

* Ensure compliance with current ICH, FDA and EMA regulatory expectations

* Support health authority interactions and responses to regulatory questions

* Collaborate extensively with CMC, Analytical Development, Process Development, Quality and Manufacturing teams

* Contribute to regulatory risk assessments and mitigation strategies

* Provide expert advice on drug substance control strategies, specifications, characterisation and stability packages

* Support programme teams through critical development and submission milestones

Candidate Profile

Essential Experience

* Approximately 10 years or more of Regulatory CMC experience

* Strong background in drug substance development

* Proven experience leading CMC drug substance aspects of global regulatory submissions

* Deep understanding of Module 3 Quality documentation

* Excellent working knowledge of ICH, FDA and EMA regulatory requirements

* Experience supporting late-stage development or registration programmes

Highly Desirable

* Antibody Drug Conjugate (ADC) experience

* Linker-payload development experience

* Highly potent API (HPAPI) experience

* Bioconjugate or complex biologics experience

* Experience supporting Marketing Authorisation Applications (MAA), BLAs or equivalent global filings

EU Rate - €500-€600 p/day

Regulatory, CMC, ADC, drug, substance, submission, antibody, conjugate, BLA, MAA, marketing, authorisation, FDA, EMA, module