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Analytical Development Mass Spectrometry Analyst

Demo S.A.

Athens, Attiki, Greece permanent

Posted: March 6, 2026

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Quick Summary

We are seeking a highly skilled Analytical Development Mass Spectrometry Analyst to join our team at our Biotechnology Center in Athens, Greece.

Job Description

At DEMO SA, one of the world’s largest pharmaceutical manufacturers in injectable facilities, our new Biotechnology Center in Athens, Ag. Stefanos is now fully operational.

Biotechnology is transforming healthcare, and DEMO is at the forefront with cutting-edge research and innovation. As we continue to grow, we are looking for a high-caliber Analytical Development Mass Spectrometry Analyst to join our team.

Main duties and responsibilities:

• Working with a team of scientists to conduct mass spectrometry experiments in support of biosimilar development programs.
• Perform the routine sample analysis to support the process development and optimization.
• Develop and qualify mass spectrometry methods for the characterization and quantification of biosimilar products, including peptide mapping, intact mass analysis, glycan analysis, and peptide sequencing.
• Excute the protocols and workflows to address specific analytical challenges related to biosimilar development, such as comparability studies, forced degradation studies, and stability testing.
• Stay current with developments in mass spectrometry technology and industry best practices, incorporating new methodologies and techniques as appropriate.
• Contribute to regulatory submissions by preparing technical documents, assay validation reports, and other supporting documentation in compliance with regulatory guidelines.
• Perform method qualification, optimization, and troubleshooting to ensure robustness, accuracy, and precision of analytical assays.
• Interpret mass spectrometry data and collaborate with bioanalytical and biophysical scientists to elucidate structural and functional attributes of biosimilar molecules.


Requirements:
Experience, skills and qualifications required:

• B.Sc. or M.S. in Analytical Chemistry, Biochemistry, or related field with 1+ years of industry experience in mass spectrometry, preferably in a biopharmaceutical or biosimilar development setting.
• Knowhow in mass spectrometry techniques, including LC-MS, LC-MS/MS, and MALDI-TOF and data analysis software (e.g., MassLynx, Proteome Discoverer and etc…), with a focus on protein characterization and analysis.
• Strong problem-solving abilities and attention to detail.
• Understanding of protein chemistry, biophysical characterization techniques.
• Excellent communication skills.
• Experience in quality systems – GMP, GLP or Good Development Practices will be an advantage.
• Critical thinking & problem solving
• Resilience and ability to work independently,
• Good communication and team player,
• Fast learner,


Benefits:
The Company offers competitive remuneration, continuous learning and development opportunities, and a friendly and challenging working environment.

All applications will be considered as strictly confidential.

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