Working at iTeos

Early & Late stage CMC DS Lead - GOSSELIES, (BELGIUM)



iTeos Therapeutics is a publicly-held (NASDAQ: ITOS), clinical-stage biopharmaceutical company dedicated to extending and improving the lives of cancer patients by designing and developing next generation immunotherapies. 
Based in Gosselies, Belgium and Cambridge, MA, iTeos Therapeutics was founded out of the Ludwig Institute for Cancer Research (LICR) and the de Duve Institute (UCLouvain) in 2011. 
In March 2020, the Company completed a $125 million Series B2 financing, and in July 2020, we completed our IPO raising over $230million of gross proceeds. In June 2021, iTeos entered into a transformative $2.145 billion co-development and co-commercialization agreement with GSK for EOS-448, iTeos’s anti-TIGITmonoclonal antibody. As a well-capitalized biotech company iTeos is positioned to continue to develop our clinical pipeline and maintain our investments in our discovery research team to leverage our fantastic science to improve the lives of cancer patients.

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iTeos Therapeutics is now a world-class actor in the sector. To carry on its growth and reinforce its team, iTeos Therapeutics is looking for an Early & Late stage CMC DS Lead.

ROLE:  Early & Late stage CMC DS Lead

iTeos Therapeutics is actively looking for a creative, resourceful, organized and responsible Early & Late stage CMC DS Lead to coordinate the operational activities for NCE development, for  one or more therapeutic development projects. This position will report to the Global Head of CMC and will work closely with one or more CMC Project Managers, Project Leaders, Project Managers and Project Team members across all the functions involved in the projects including Medicinal Chemistry, Regulatory, Clinical/Clin Ops, Translational Medicine and Preclinical. The successful candidate will be a proactive and collaborative CMC DS Lead with experience working from early to late stage clinical development environment. 


  • Work closely with the Global Head of CMC to set ambitious goals for the dedicated projects.
  • Be the CMC Subject Matter Expert on the development of New Chemical entities according to regulations and standards
  • Work closely with the Research Team, in particular with Medicinal Chemistry, for a smooth transition of NCE from Research to Clinical stage development in CMC.
  • Participate in the identification and selection of Contract and Development Manufacturing Organizations (CDMOs) and subcontractors from the RFI to the final choice:
    • Ensure preparation of RFPs and analysis of responses received
    • Participate in subcontractor qualification visits and audits
  • Manage Contract and Development Manufacturing Organizations (CDMOs) for API synthesis route development and optimization, non GMP and cGMP manufacture and scale up in support of ongoing clinical programs, in collaboration with the CMC Project Manager
  • Participate to solid state development (characterization, salt screening, polymorphism, crystallisation)
  • Participate in the development of analytical methods, specifications, CoAs, stability plans and validation of analytical methods based on development phases.
  • Manage DS supply chain and logistics in support of clinical studies.
  • Manage drug substance inventories at subcontractors to ensure availability at key project milestones
  • In coordination with Quality Assurance, implement stage appropriate protocols to ensure that all CDMOs are using systems and processes in compliance with all relevant regulatory standards.
  • Execute plans for the validation and registration of API as required by cGMP, ICH and FDA regulations.
  • Write and review documents for INDs / IMPD/ regulatory section submissions for DS sections
  • Review or edit cGMP batch records, CMC regulatory and Quality documents.
  • Ensure activities are completed on time and/or impact of any delay on the project is communicated promptly to Global Head of CMC and CMC Project Manager to ensure that corrective actions are put in place.
  • Work with CMC Project Manager to identify the risks linked to the project and ensure mitigation actions are put in place.
  • Support Global Head of CMC and CMC Project Manager during the budget process.


  • Scientific or technical training or advanced degree (such as Master Degree, Pharm.D., or Ph.D.) is required.
  • 8+ years of technical/operational experience in CMC within the biopharmaceutical industry.
  • Substantial experience working with international Contract Research and Manufacturing Organizations (CROs and CMOs) for the production of DS 
  • Experience working in a cross-functional environment, contributing to cross-functional teams.
  • Thorough understanding of the drug development process from preclinical steps through IND/CTA submission.
  • Committed and detail-oriented, you have a strong sense of time management and a good ability to adapt to changes in priorities. 
  • Open-minded with excellent interpersonal and communication skills.
  • Fluency in English, both written and oral.


  • A stimulating position within a high-potential innovative biotech company
  • The opportunity to work in a science-driven, dynamic, respectful and professional environment
  • A challenging scientific and business growth in which you get to bring your knowledge and skills
  • A permanent contract with an attractive salary package in line with the position responsibilities and your experience


Please send your CV together with an adapted cover letter to the following address : Please, mention the reference CMC-DS-L in the mail object. Your application and related information will remain strictly confidential.

For our recruitments in Belgium, we closely collaborate with a Recruitment & Selection company, PaHRtners. Your application will be automatically forwarded to them. We, together with PaHRtners, will keep all your data confidential (GDPR compliant approach).

Interested ?

Send your CV together with an adapted cover letter to the following address :
Please mention the reference CMC-DS-L in the mail object.
Your application and related information will remain strictly confidential.