Research Scientist

Join Our Mission to Transform Lives Through Science, Innovation and Collaboration
At Reading Scientific Services Ltd (RSSL), we lead the way in scientific analysis, research, consultancy, and training. We provide services to the food, pharmaceutical, and consumer goods industries, as well as our parent company, Mondelez International.
We are not just dedicated to delivering world-class scientific solutions and outstanding customer service, we are recognised for it. We were named Best Performing Professional Services Company of the Year (2025) at the One Nucleus Awards and CRO of the Year at the OBN awards. We were also finalists for multiple recent multiple awards recognising our commitment to skills and rising talent.
In RSSL we are customer focused, science led and results driven. The RSSL Microbiology laboratory performs a wide range of analytical analyses for a variety of food, pharmaceutical and healthcare companies and supports Mondelez research and innovation.
The role at Scientist II is to undertake a practical role with possible supervisory responsibilities within the Microbiology laboratory. Play a key role in ensuring that projects are performed and supervised effectively and accurately within agreed timescales and to appropriate quality standards. This role focuses on routine and investigative analyses of products and method development and validations using techniques detailed in INF-680. Client contact and administrative support for laboratory management. Refer to INF-680 for key performance indicators and focuses for Traditional and Technical career focus.
Provide high quality customer service at all times by ensuring effective organisation of assigned workload, integrity of analytical data generated and timely/accurate provision of results.
Perform a range of routine and investigative analysis using techniques as stated within INF-680 independently and provide interpretation of results generated by as required
Provide training and supervise junior staff in routine activities and methods.
Will be expected to work in different laboratories if the demand is required.
To liaise with clients, business development and line management to ensure effective communication of project proposals and results.
Manage small projects or defined areas of larger projects
Leadership and supervision
Plan own workload and plan routine projects for junior staff
Work to the highest standards of safety and quality by ensuring that appropriate COSHHs, risk assessments and SOPs are understood and followed
To complete assigned quality actions in a timely manner
Assist with the documentation of SOPs for simple equipment and tests and generation of Risk Assessments and COSHH
Ensure training records are accurate.
Knowledge, Skills, Experience and Language Requirements:
Educated to Degree or PhD in a relevant scientific discipline or equivalent relevant experience in a laboratory.
Good understanding of (include specifics) lab equipment
Scientific understanding and ability to independently conduct chemical analysis in relevant area
Flexible and adaptable to meet customer/business requirements
Computer literate in standard MS office applications
English fluency (written and spoken)
This is a Full Time (Permanent role)*
~ Thursday to Monday (including Bank Holidays)

In return for your commitment, drive and enthusiasm, we offer an attractive benefits package within a highly successful international business that offers financial rewards and resources, including:
Performance Related Bonus scheme
Contributory pension (between 8% to 11% employer contribution)
Life assurance
Employee Assistance Programme (EAP)
A flexible benefits programme (Gym discounts, private health insurance, restaurant discounts, etc).
No Relocation support available
Business Unit Summary
Reading Scientific Services Ltd (RSSL) is a cutting-edge contract research organisation (CRO), providing research, analysis and consultancy to the food, consumer goods and life science sectors. Whether we are creating new products, validating medicines or solving investigations, we take pride in being a leader in our field, serving clients from across 70 countries. Enriched by our parent company, Mondelēz International, our team are committed to transforming lives through science, innovation and collaboration.
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RSSL is an equal opportunity employer and all qualified applicants will receive consideration for employment without regard to race, colour, religion, gender, sexual orientation or preference, gender identity, national origin, disability status, protected veteran status, or any other characteristic protected by law.
#Analytical Science
Science & Engineering