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Senior Specialist, QC Microbiology

Bristol Myers Squibb
Cruiserath, Ireland, Irelandfull_timeVerifiedPosted 23 Jan 2026

About the role

Working with Us
Challenging. Meaningful. Life-changing. Those aren’t words that are usually associated with a job. But working at Bristol Myers Squibb is anything but usual. Here, uniquely interesting work happens every day, in every department. From optimizing a production line to the latest breakthroughs in cell therapy, this is work that transforms the lives of patients, and the careers of those who do it. You’ll get the chance to grow and thrive through opportunities uncommon in scale and scope, alongside high-achieving teams. Take your career farther than you thought possible.

Bristol Myers Squibb recognizes the importance of balance and flexibility in our work environment. We offer a wide variety of competitive benefits, services and programs that provide our employees with the resources to pursue their goals, both at work and in their personal lives. Read more: careers.bms.com/working-with-us.

The Role 

BMS Cruiserath Biologics is seeking to recruit a QC Senior Microbiology Analyst within the QC Microbiology Laboratory. Reporting to the QC Microbiology Manger, the QC Senior Microbiology Analyst will be responsible for supporting site activities related to Product Testing and Environmental/Utility Monitoring, performing testing of samples and laboratory duties in accordance with cGMP regulations. 

Responsibilities will include (but not limited to): 

  • Performing Sterility testing on Drug Product samples 
  • Performing Bacterial Endotoxin Testing on Drug Product, Drug Substance, Raw Material and Utility samples within required hold times. 
  • Performing Bioburden testing on Drug Substance, Raw Materials and Utility samples within required hold times.  
  • Performing Growth Promotion testing of media lots entering the laboratory. 
  • Carrying out identifications of Microorganisms isolated post testing activities. 
  • Carrying out In-Process testing of critical lot related samples to support Manufacturing activities. 
  • Carrying out the Minute Mouse Virus by PCR for in-process samples. 
  • Performing compendial verification, method transfer/validation, and routine testing of in-process, drug substance and drug product samples in accordance with applicable procedures and cGMP requirements. 
  • Supporting investigation/ deviation/ CAPA tasks.
  • May lead projects and continuous improvement efforts.
  • Completing all laboratory documentation in a timely and accurate manner. 
  • Compliance with Standard Operating Procedures and Registered Specifications. 
  • Assisting in authoring and reviewing documentation, including SOPs. 
  • Providing support to other departments to ensure qualification and production schedules are adhered to. 
  • Reviewing Batch paperwork, and reconciliation of analysis performed in the laboratory. 
  • Ensuring that any alert/action limit excursions are investigated according to site procedures. 
  • Ensuring a high standard of housekeeping and safety is maintained in the laboratory. 
  • Performing any other activities as indicated by the Microbiology Manager. 

Qualifications and Experience required: 

  • The ideal candidate should hold a minimum of a Level 8 degree in Microbiology or related discipline. 
  • At least 2/3 years’ experience in a pharmaceutical / healthcare laboratory or related technical function. 
  • A strong background in Microbiology and aseptic manufacturing is desirable but not essential. 
  • The successful candidate must demonstrate excellent written and verbal communication skills. 
  • The ability to work in a team based collaborative environment is essential. 
  • Sterility experience is desirable but not essential. 

Note: This candidate may be required to work a 12/7 shift pattern. 

Why you should apply: 

  • You will help patients in their fight against serious diseases  
  • You will be part of a company that encourages excellence and innovation, respects diversity, develops leaders and values its employees.  
  • You’ll get a competitive salary and a great benefits package including an annual bonus, pension contribution, family medical allowance, 27 days of annual leave, life assurance and on-site gym. 

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Company

Bristol Myers Squibb

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