Assistant Scientist – Analytical Research & Development

Company: Rosemont Pharmaceuticals
Apply for the Assistant Scientist – Analytical Research & Development
Location: Leeds
Job Description:

We Are Rosemont

For over 50 years, Rosemont Pharmaceuticals has been a trusted name in the development and manufacture of oral liquid medicines. With a portfolio of over 130 products – including 70 licensed medicines – we’re proud to support healthcare professionals and patients, especially those with swallowing difficulties.

Our purpose is clear: to improve patient outcomes through innovation in liquid formulations. We’re highly respected across the pharmaceutical industry and have played a key role in establishing best practices for dysphagia care.

Our mission is to create a globally connected, people-focused organisation where every individual is empowered to thrive and achieve their best. If you’re passionate about making a meaningful impact to patients across the world and want to be part of a company with a strong heritage and ambitious vision, we’d love to hear from you.

About the Role

As an Assistant Scientist within our Analytical Research & Development function, you will play a key role in supporting the development of innovative oral liquid medicines. Working under supervision and reporting to a Principal Scientist, you’ll develop, validate, and apply analytical methods to ensure the quality, safety, and performance of new drug products.

This is an excellent opportunity for an early-career scientist looking to build strong analytical expertise in a regulated pharmaceutical environment while working as part of a collaborative, multidisciplinary team.

This role requires the successful candidate to be based at our Leeds facility Monday-Friday.

Key Responsibilities

  • Perform stability testing on prototype formulations for new drug product development
  • Develop stability‑indicating analytical methods (with supervision)
  • Validate analytical methods, including preparing protocols and reports
  • Compile analytical methods, specifications, and supporting documentation
  • Interpret data and support initial prototype methodology development
  • Contribute to risk assessments and proactively identify and help resolve potential issues
  • Ensure all analytical work complies with SOPs, quality standards, and regulatory requirements
  • Maintain data integrity and take responsibility for the quality of your own work
  • Stay up to date with scientific developments and apply current best practice
  • Act as a role model for health, safety, and quality compliance

What We’re Looking For

  • Degree in a laboratory‑based science discipline
  • Experience in an analytical or laboratory environment
  • Proven proficiency in HPLC and core laboratory techniques is essential
  • Demonstrated aptitude and interest in analytical method development
  • Strong attention to detail with the ability to meet deadlines
  • Good written and verbal communication skills
  • A collaborative team player with a proactive and curious mindset

Benefits

At Rosemont, we believe great benefits go beyond salary. That’s why our offering is shaped by what our people truly value;

Annual Bonus – Recognising your contribution to Rosemont

Healthcare Cash Plan or Private Medical Cover – Personal cover to support your health and wellbeing

3% Employee / 5% Company Pension Contribution – Helping you plan for the future

26 Days Annual Leave + Bank Holidays

Flexible Working – Including hybrid and flexible working hours available

Posted: April 5th, 2026