Regeneron logo

Principal Facilities Engineer

Regeneron
Department:Manufacturing
Type:ON-SITE
Region:Limerick
Location:Limerick, County Limerick, Ireland
Experience:Mid-Senior level
Estimated Salary:€70,000 - €95,000
Skills:
FACILITIES ENGINEERINGUTILITIES SYSTEMSHVACCGMPPROJECT MANAGEMENTTROUBLESHOOTINGP&IDEQUIPMENT COMMISSIONINGVALIDATIONENGINEERING DESIGN
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Job Description

Posted on: January 18, 2026

Within this role you will be responsible for providing engineering support, troubleshooting, subject matter expertise to the Facilities Operations, Utilities and HVAC teams. You will be designing, specifying and commissioning new and renovated biopharmaceutical utilities and HVAC equipment, managing small to mid sizes projects relating to utilities and HVAC equipment & services. As aPrincipalFacilities Engineer, a typical day might include, but is not limited to, the following:

  • Designing and specifying cGMP clean/grey utilities, & HVAC equipment, piping, ducting and/or controls
  • Managing small-to-mid sized projects related to utilities and HVAC equipment and services
  • Conducting troubleshooting for complex issues with plant equipment issues and associated systems, identifying and recommending corrective actions
  • Assisting in the design review, site acceptance and installation of equipment
  • Supporting the QA validation department by preparing design documents and assisting in protocol execution
  • Assisting in investigations of utility systems, and control system anomalies as well as safety incidents
  • Implementing corrective/preventative actions for existing equipment and maintenance processes
  • Preparing engineering evaluations and test plans for and executing modification change control documentation
  • Interpreting P&IDs, equipment/system layouts, wiring diagrams and specifications in planning and performing maintenance and repairs
  • Supervising mechanical, electrical, and automation contractors
  • Maintaining a clean and safe working environment by enforcing procedures, policies, and regulations
  • Maintaining company reputation by enforcing compliance with all relevant laws, policies and regulations

This Role Might Be For You If

  • You possess logical troubleshooting and problem-solving skills
  • You have good written, verbal and interpersonal communication skills and the ability to effectively interact cross functionally
  • You have strong analytical and organisational skills

To be considered for this opportunity you must hold a level 8 within an engineering discipline or equivalent with 3+ years of experience in engineering preferred. For the Principal Engineer you must have 8+ years relevant industry experience. Direct experience with Utilities systems (clean / grey) or HVAC is preferred. #REGNIRLTO #IREADV #JOBSIEST Does this sound like you? Apply now to take your first step towards living the Regeneron Way! We have an inclusive culture that provides comprehensive benefits, which vary by location. In the U.S., benefits may include health and wellness programs (including medical, dental, vision, life, and disability insurance), fitness centers, 401(k) company match, family support benefits, equity awards, annual bonuses, paid time off, and paid leaves (e.g., military and parental leave) for eligible employees at all levels! For additional information about Regeneron benefits in the US, please visit https://careers.regeneron.com/en/working-at-regeneron/total-rewards/. For other countries’ specific benefits, please speak to your recruiter. Please be advised that at Regeneron, we believe we are most successful and work best when we are together. For that reason, many of Regeneron’s roles are required to be performed on-site. Please speak with your recruiter and hiring manager for more information about Regeneron’s on-site policy and expectations for your role and your location. Regeneron is an equal opportunity employer and all qualified applicants will receive consideration for employment without regard to race, color, religion or belief (or lack thereof), sex, nationality, national or ethnic origin, civil status, age, citizenship status, membership of the Traveler community, sexual orientation, disability, genetic information, familial status, marital or registered civil partnership status, pregnancy or parental status, gender identity, gender reassignment, military or veteran status, or any other protected characteristic in accordance with applicable laws and regulations. The Company will also provide reasonable accommodation to the known disabilities or chronic illnesses of an otherwise qualified applicant for employment, unless the accommodation would impose undue hardship on the operation of the Company's business. For roles in which the hired candidate will be working in the U.S., the salary ranges provided are shown in accordance with U.S. law and apply to U.S.-based positions. For roles which will be based in Japan and/or Canada, the salary ranges are shown in accordance with the applicable local law and currency. If you are outside the U.S, Japan or Canada, please speak with your recruiter about salaries and benefits in your location. Please note that certain background checks will form part of the recruitment process. Background checks will be conducted in accordance with the law of the country where the position is based, including the type of background checks conducted. The purpose of carrying out such checks is for Regeneron to verify certain information regarding a candidate prior to the commencement of employment such as identity, right to work, educational qualifications etc.

Originally posted on LinkedIn

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