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Mechanical Design/Project Engineer

Pfizer

Ireland - Dublin - Grange Castle permanent

Posted: February 27, 2026

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Quick Summary

Mechanical Design/Project Engineer with Project Management experience required. Experienced in managing mechanical, utilities & HVAC projects.

Job Description

The Role:

 

An excellent opportunity has become available for a Mechanical Design/Project Engineer with relevant Project Management experience to join the Grange Castle (GC) Projects Team. This is an exciting time to join the GC Team due to continued investment in the facility and new product introductions.

 

The ideal candidate would be someone from a design background with experience managing mechanical, utilities & HVAC projects.

 

Some Role Responsibilities

 

• Provide Mechanical Design expertise to the GC Projects Team.

• Provide the Pfizer HVAC and Mechanical design input

• Interface with the equipment vendors from a mechanical perspective

• Manage HVAC commissioning, up to and incl. room certification

• Liaise with Site HVAC SME

• Review vendor documents

• Review and approve all piping specs

• Provide mechanical discipline support to construction & commissioning

• Support the Pfizer team input into the model review process

• Provide the piping and HVAC layout input to the model

• Generate Mechanical Scope of Works (SOW) for the GC Projects Team.

• Feed into funding requests for Capital Purchase Acquisitions (CPA).

• Manage Requests For Information (RFI) pertaining to Mechanical projects.

• Generate Mechanical/HVAC User Required Specifications (URS) for Utilities & Process Equipment.

• Lead 30%, 60% 90% Design Review & Issue For Construction (IFC) Meetings.

• Attend regular project meetings

• Provide Field Design Verification during the project cycle.

• Attend Factory Acceptance Testing (FAT) and Site Acceptance Tests (SAT)

• Ensure best document management practices are applied to all project documentation.

• Generate Project Handover Packs to include all design and safety documentation.

• Provide Mechanical support to the Commissioning, Qualification, Validation (QCV) Team.

• Ensuring project compliance with the relevant Codes

• Review & Manage MSRA, Work Permits, LOTO, BIPP requests related to Mechanical Projects

 

Qualifications

Must-Have

• Degree or Master Level Qualification in Mechanical Engineering or Equivalent.

• Minimumof 3-5 years of relevant Mechanical Design work experience

• Minimum of 3-5 years of relevant Project Management work experience

• Expertise in the design of piping and HVAC, waste systems, refrigeration’s, water systems.

• Proficient using Microsoft Office (Excel, Word, Visio)

• Relevant project or design work experience in a GMP or regulated environment is a distinct advantage

• Strong Team Player with ability to develop relationships and work closely with a number of cross functional disciplines, both within and outside of the function and Organization.

• Excellent Communication and Presentation Skills with the ability to formulate thoughts in a clear and concise manner to provide clarity and path forward on any issues.

• Self-starter with demonstrated efficient work methods, analytical & problem solving skills and ability to handle multiple tasks and conflicting priorities in a fast paced environment

• Strong Customer & Safety Focus.

• Excellent verbal and written communication skills

• Working knowledge of Design package, Navisworks, Pipeflow (Hydraulic calculations) or similar.

 

Nice-to-Have

• Project Management Qualification (PMI, PRINCE)

• PSDP & PSCS Qualifications

Work Location Assignment: Hybrid

Additional Information 

• In order to be considered for this position in Ireland you need to be legally eligible to work in Ireland. 

• Please note there is no relocation support available for this position 

​ 

How to apply 

• Make a difference today, all suitable candidates should apply with CV below.  We are looking forward to hearing from you! 

Purpose  

Breakthroughs that change patients' lives... At Pfizer we are a patient centric company, guided by our four values: courage, joy, equity and excellence. Our breakthrough culture lends itself to our dedication to transforming millions of lives. 

Digital Transformation Strategy

One bold way we are achieving our purpose is through our company wide digital transformation strategy. We are leading the way in adopting new data, modelling and automated solutions to further digitize and accelerate drug discovery and development with the aim of enhancing health outcomes and the patient experience. 

Equal Employment Opportunity

We believe that a diverse and inclusive workforce is crucial to building a successful business. As an employer, Pfizer is committed to celebrating this, in all its forms – allowing for us to be as diverse as the patients and communities we serve. Together, we continue to build a culture that encourages, supports and empowers our employees. 

Disability Inclusion

Our mission is unleashing the power of all our people and we are proud to be a disability inclusive employer, ensuring equal employment opportunities for all candidates. We encourage you to put your best self forward with the knowledge and trust that we will make any reasonable adjustments to support your application and future career. Your journey with Pfizer starts here!

Engineering

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