Protein Purification Scientist

Job ref: 26N/PPSD Job type: Permanent Quantity of Posts Available: 2 Location: NI – Crumlin

Closing date: Saturday 18 Jul 2026 23:59

Job summary

Protein Purification Scientist (Job Ref: 26N/PPSD)

Randox are a world leader in diagnostics for clinical healthcare, toxicology, and food security. Our expertise and product portfolio have assisted laboratories across the world in improving health and saving lives. We are proud to have been named the Number 1 company in Northern Ireland for the second consecutive year in the Belfast Telegraph Top 100 Companies List for 2024. Our staff are at the heart of everything we do and achieve.

We require highly motivated Protein Purification Scientists to join our growing downstream processing team for the processing of proteins from recombinant and native sources (animal and human derived materials). The scientists will be involved in all aspects of the development, implementation and operation of downstream processing and protein purification from R&D to pilot and process scale.

Location: 61 Largy Road, Crumlin, Co Antrim, BT29 4RR.

Contract Offered: Full-time, Permanent

Working Hours / Shifts: 4×10 hour shifts, 7.30am to 6.10pm Monday to Thursday or Tuesday to Friday.

Right to Work RequirementPlease note that this role requires candidates to have the legal right to work in the UK for a minimum of 12 months from the application date. This is to ensure completion of our 9-month probationary period and for any potential sponsorship decisions to be considered. Unfortunately, we are unable to offer visa sponsorship at the point of hire.

What does this role involve?

Key duties of the role include:

• FPLC purification using multiple chromatography types (Affinity, IEX, SEC etc.)
• Preparation of resins and column for chromatography
• Preparation of buffers for all processes
• Chemical extraction and precipitation of raw materials
• Centrifugation
• Normal flow/depth filtration
• Tangential flow filtration for concentration and diafiltration
• Analytical methods for in process and final product QC
• Routine maintenance and calibration of equipment

Who can apply?

Essential attributes:

• BSc in Biochemistry, Biochemical Engineering or related subject area.
• Ability to work independently within the context of a multidisciplinary research team.
• Possess excellent organisational and communication skills (written and oral).
• Knowledge of purification methods
• Excellent organisational skills.
• Ability to interpret and analyse data.
• Be proficient in the use of Microsoft packages such as Word, Excel, PowerPoint and Outlook.

Desirable:

• Postgraduate qualification in a related field.
• FPLC or other protein purification experience.
• Experience with various analytical methods (e.g., HPLC/UPLC, Capillary Electrophoresis, Mass-Spec, SDS-PAGE).
• Understanding of Protein Chemistry.
• Experience of method development in an industrial setting

How do I apply?

Click Apply on the site of this advertisement. You will then submit your CV to Randox for review. This advert may be open for as long as 30 days, although we may close the advert early, if we receive sufficient applicants.

To be considered for this role you will be redirected to and must complete the application process on our careers page. To start the process, click the Apply button below to Login/Register.

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