QC Analytical Scientist Bioassay

🔒 Confidential Employer
Posted 7 May 2026
LOCATION
Deeside
TYPE
Full-time
LEVEL
Mid-Senior level
CATEGORY
Science & Research
This employer holds a UK Home Office sponsor license — sponsorship for this specific role is at the employer’s discretion

SKILLS

Cell Culture ELISA Cell-based Bioassays cGMP Aseptic Techniques Quality Control Data Analysis Microsoft Office

FULL DESCRIPTION

QC Analytical Scientist Bioassay

[Employer hidden — view at passion-project.co.uk] Solutions is seeking a QC Analytical Scientist Bioassay to develop and qualify cell-based methods for antibodies and ADCs. The role involves conducting routine QC testing of raw materials, intermediates, finished products, and stability samples. Based in Deeside, North Wales, the position reports to the Team Lead (Bioassay) and requires expertise in cell culture, ELISA, and cell-based bioassays within a cGMP environment.

Responsibilities

  • Developing and qualifying cell-based potency and ELISA/immunology-based assays for antibodies and ADCs.
  • Performing and reporting of Quality Control testing on raw materials, intermediates, finished products and stability samples in cell-based potency assays, cytotoxicity testing and immunological assays such as ELISA, following customer, company and regulatory/industry requirements.
  • Performing analytical testing using techniques including: Routine Cell Culture, Cell banking, MTS assay, ADCC assay, CDC assay, other cytotoxicity assays, ELISA.
  • Laboratory maintenance, housekeeping, self-inspections and stock control.
  • Data trending and performing quality investigations.
  • Documenting laboratory results in accordance with cGMP and company procedures.
  • Maintaining and improving knowledge of analytical techniques and procedures.
  • Contributing to team building, training and problem-solving initiatives.
  • Liaising with functional groups to progress projects and plans.
  • Preparing and executing laboratory protocols and reports.
  • Qualifying reagents, reference material, analytical techniques and equipment.
  • Ensuring compliance with health and safety guidelines (COSHH, biological safety, Health and Safety at Work Act 1974).
  • Embodying company values: be reliable, be caring, be transparent, be willing.

Key Skills and Competencies

  • BSc or equivalent in a relevant biological subject area.
  • Previous experience in a cell biology laboratory and regulated environment (cGMP, UKAS/ISO 9001).
  • Technical experience in aseptic techniques and cell culture is essential.
  • Technical experience in cell-based bioassays (MTT, ADCC, CDC) and ELISA is preferred.
  • Experience in Bioburden, Endotoxin and Environmental Monitoring is an advantage.
  • Good awareness of cGMP and regulatory requirements (USP, Ph. Eur., ICH guidelines).
  • Excellent communication, interpersonal and organisational skills, attention to detail, team and individual work ability.
  • Competent with IT systems, especially Microsoft Office (Outlook, PowerPoint, Word, Excel).

You will receive

Competitive salary, pension scheme, private healthcare, retail discounts through reward gateway, cycle to work, 26 days annual leave and bank holidays, death in service coverage, on-site health and wellbeing support, 24/7 employee assistance programme, training and career development. This role is a shift role supporting our 24/7 operation.

Why consider Sterling?

[Employer hidden — sign up to reveal] Solutions is a global CDMO with over 50 years' experience in developing and manufacturing APIs, complemented by ADC research and development bioconjugation services. We are a fast-growing, dynamic business with facilities in the UK and Ireland, employing talented people dedicated to bringing new medicines to market. Our culture sets us apart; we aim to deliver an exceptional experience to customers and employees. [Employer hidden — sign up to reveal] Solutions is an equal opportunities employer. Deadline for applications: 10 May 2026. .

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