C
Charles River Ireland Ltd

Senior In-vitro Analyst (Virology/Molecular)

86 days to apply
Apply by: 24/09/2026

We are seeking a Senior In-Vitro Bioassay Analyst for our Biosafety & Bioassay Department located in Ballina, Co. Mayo.


This role shall report to the Molecular and Virology Manager and the main duties & responsibilities shall be to assist the Department Manager and/or the Scientist in the following:

• Leading the execution of routine virology and molecular biology assays such as Adventitious viruses assay, viral titration assay (qPCR, TCID50, Fluorescent foci) and absolute titration assay (dPCR).

• Support technical transfer, qualification and validation of new virology or molecular based methods.

• Maintenance and propagation of antibiotic free cell cultures.

• Evaluation of mammalian cells / Generation and maintenance of mammalian cell banks and virus banks. 

• Establishment of Test Method SOPs and validation of methods.


Core duties shall include:

• Maintenance and propagation of antibiotic free cell cultures.

• Competent in microscopic evaluation of mammalian cells (e.g. cell morphology, count and viability)

• Provide technical training to team as required.

• Receipt and processing of test samples in LIMS.

• Update current standard operating procedures.

• Assist in laboratory investigations where necessary. 

• Responsible for reporting progress information to Management.

• Assist in internal, regulatory and client visits/audits and respond to findings.

• Complete understanding off all regulatory guidelines. 

• Liaise with the Quality Department for the generation of all departmental quality documents including audit responses, facility replies and deviation reports.

• Generation of GMP compliant SOPs, Protocols and reports

• Generate risk assessments for laboratory and test items as required.

• Maintain Laboratory Data Integrity and compliance



The following are minimum requirements related to the Senior In-Vitro Bioassay Analyst position. 

• MSc in a relevant science discipline (A minimum of 2 years relevant experience in Scientific Research preferably within a GMP regulated environment (EMEA/FDA) within the Pharmaceutical, Medical Device, CRO Industry).

• Experience of aseptic cell culture techniques mandatory.

• Experience and knowledge in virology/molecular biology highly desirable.

• Experience with TCID50/Fluorescent foci titration assays highly desirable. 

• Knowledge of current EU/ HPRA/ FDA/ICH/USP/EP guidelines 

• Ability to problem solve and work on own initiative.

• Must Exhibit exceptional teamwork skills


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