Are you a scientist with a passion for analytical method development and a strong background in biochemistry or molecular biology? Do you enjoy working at the intersection of science, quality, and product development? If so, we have an exciting opportunity for you.

As a Scientist Analytical Development, you will play a key role in developing, improving, validating, and implementing analytical methods that support the development and lifecycle management of our products. You will combine hands-on laboratory work with scientific leadership, project management, and collaboration across multiple departments.

As part of the Analytical Development team, you will contribute directly to the advancement of analytical capabilities that support product quality, regulatory compliance, and innovation.

Your responsibilities will include:

• Developing, optimizing, and implementing analytical methods for new and existing products.
• Leading technology transfer activities from Analytical Development to Quality Control laboratories.
• Acting as a subject matter expert for analytical methods and providing scientific guidance across the organization.
• Performing and overseeing biochemical and immunological assays such as ELISA, SDS-PAGE, protein determination, immunoblotting, potency assays, and chromatography-based techniques.
• Coaching and guiding a small team of laboratory technicians.
• Participating in multidisciplinary project teams and contributing to the development and improvement of products and processes.
• Ensuring analytical methods meet regulatory and GMP requirements.
• Preparing study plans, scientific reports, and project documentation.
• Managing Analytical Development projects and aligning stakeholders across departments including QA, QC, Process Development, and Regulatory Affairs.
• Monitoring scientific and compendial developments to ensure continued compliance and innovation.

You are a scientifically driven professional who combines strong analytical skills with a collaborative mindset.

We are looking for someone with:

• An MSc degree in Biochemistry, Molecular Biology, or a related scientific discipline.
• At least 3 years of relevant experience in pharmaceutical product development.
• Hands-on experience with analytical techniques including ELISA, SDS-PAGE, chromatography, immunoblotting, and protein determination.
• Experience with analytical method development, optimization, and technology transfer to Quality Control.
• Knowledge of GMP and pharmaceutical quality systems.
• Strong scientific writing and reporting skills.
  Excellent communication and stakeholder management capabilities.

You thrive in a dynamic environment and are known for your ability to balance scientific rigor with practical execution.

You are:

• Result-oriented
• Accountable and reliable
• Collaborative and approachable
• Adaptable and eager to learn
• An analytical thinker with strong problem-solving skills
• Technically curious and innovation-driven
• Committed to continuous professional development.

We look forward to hearing from you! We are interested in your CV, but we also want to find out more about your ambitions, your personality and what drives you to apply. So be sure to include a brief cover letter telling us why you are a match for this position. The application process consists of an introduction by the Recruiter, three interviews either via video call or live at our office in Leiden with the Hiring Manager and/or a Department Specialist and the CEO followed by contract negotiations. Depending on the vacancy, an assessment could be part of the process.

HAL Allergy does not accept unsolicited approaches from recruitment agencies and/or search firms (such as, for instance, the sending of resumes) for any job posted on this or a referring website. All recruitment agencies and search firms are required to contact HAL Allergy Recruitment via recruitment@hal-allergy.com to enquire about a potential recruitment or search agreement with HAL Allergy.

HAL Allergy is one of the European top players in the development, production and distribution of allergen immunotherapies for the treatment and prevention of allergic diseases. We focus on the development and manufacturing of modified allergen extracts for the therapeutic and diagnostic purposes of respiratory and food allergies. With all our activities the patient's well-being is always top of mind. At Hall Allergy we foster open discussions, an entrepreneurial spirit and close collaborations within the teams and with our international colleagues summing up to more than 300 highly specialized people across various positions. If you too would like to become a part of an innovative and challenging pharmaceutical manufacturer, then this is your perfect opportunity!

HAL Allergy is headquartered in Leiden, where all disciplines work under one roof, from development to sales. We work in an informal, culturally diverse organization with room for growth and continued personal development. HAL Allergy is located in the middle of the thriving and energetic Leiden Bio Science Park, the largest innovation district of the Netherlands in the field of Life Sciences & Health. The central train station and the ancient city center of Leiden are just a 5 minute bike ride away from our office.