Mercury logo

Senior Mechanical Engineer

Mercury
Department:Manufacturing
Type:ON-SITE
Region:Dublin
Location:Dublin, County Dublin, Ireland
Experience:Mid-Senior level
Estimated Salary:€65,000 - €95,000
Skills:
BIMREVITMECHANICAL ENGINEERINGPROJECT MANAGEMENTDESIGN
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Job Description

Posted on: June 25, 2026

Senior Mechanical Engineer, Ballycoolin Business Park, Dublin Apply Now Mercury is the European leader in construction solutions. We build and manage complex engineering & construction projects for the world’s leading corporations. Our solutions help deliver technologies and life changing advancements that connect people, communities, and businesses, giving them the power to achieve incredible things. Our people have the courage to be innovative. Their determination and sharp focus enable us to deliver with certainty, time and time again. We deliver our clients’ visions through leading edge construction solutions across multiple sectors, including Enterprise Data Centres, Advanced Technology & Life Sciences, Hyperscale Data Centres, Fire Protection. At Mercury, it is our duty to encourage and back our people to realise their vision of themselves. We place them at the heart of what we do, providing challenging opportunities to develop within a great team in a supportive environment that allows them to reach their full potential. Scope Of The Role The Senior Mechanical Engineer will be a senior member of the Project Team. You will have notable cross-discipline design and technical experience in addition to the ability to communicate and engage with stakeholders, at all levels as required. This will include managing design packages from initial review, through to assisting with estimation, procurement, planning and handover for execution on site. With the ability to support the end-to-end project deliverables at all stages, the Senior Mechanical Engineer will be integral to the delivery of high valued projects for major data centre clients. You will be highly motivated to succeed in a dynamic, high-pressure, and fast evolving environment. A strong interest and curiosity in all aspects of the construction industry is expected. The role is responsible for both technical engineering knowledge as well as management of project team deliverables. A key part of the role is the need to prioritise, co-ordinate and to successfully deliver compliant building facilities. In addition to working as part of a high-performance team, the Senior Mechanical Engineer will hold responsibility for effectively supporting the Engineering Manager, as well as Engineers within Central Engineering, and Mechanical Managers and Engineers on site, to ensure that relationships are maintained, expectations are met, and Mercury Engineering’s interests are upheld. Team ManagementKey Responsibilities of the Role:

  • Collaborate with engineers, and construction managers to develop comprehensive project plans and ensure delivery on schedule.
  • Collaborate with any other consultants, subcontractors, supervisors, planners, estimators, quantity surveyors and the general workforce involved in the project.
  • Liaise with clients and other 3rd parties as required, such as insurance companies, vendors, etc.
  • Develop comprehensive scope-of-works (SoW), task information deliverables lists (TIDP), and responsibility matrices (R&R/ RACI) for Mechanical disciplines.
  • Raise any design-related risks to planning, commercial and management, and establish a course to minimise their impact.
  • Maintain accurate records of key design activities (e.g. changes, issues) as they arise and escalate to management as appropriate.
  • Assist the Central Engineering and site teams with proactive contributions to construction and team matters.
  • Attend design related meetings and provide continual input for optimisation.
  • Collaborate on new design issues/ changes/ research within the team.
  • Assist with new tenders and PCSA (pre-construction services agreements) deliverables within the Business Unit.

Project Management & Planning

  • Oversee the construction process to ensure adherence to design specifications and schedules.
  • Assist in developing design delivery schedules along with the client, project manager, design team and consultants.
  • Manage the deliverables and approvals processes of design packages to ensure full approval for procurement.
  • Check design programmes on projects are aligned to consultant resource and construction/ procurement requirements.
  • Conduct site visits and report progress and quality of work.
  • Correctly follow information control and flow standards e.g. for RFIs, use of ACC, etc.

Technical Engineering

  • Ensure Mechanical technical compliance on all projects.
  • Ensure knowledge of client and country-specific design standards.
  • Assess and mitigate potential risks and issues as they’re identified in design, or that could have potential impact on construction activities.
  • Review design proposals by others for suitability and constructability.
  • Offer proposals for added value (VE) and off-site manufacturing (OSM).
  • Ensure material choices are aligned to project requirements, budget, and QEHS standards.
  • Prepare comprehensive handover packs to the site team for any packages under your responsibility.
  • Coordinate and manage coordination of Mechanical disciplines and interfaces with CSA and Electrical.
  • Check plans, drawings, and quantities for accuracy of calculations.
  • Manage, monitor, and interpret the contract design documents supplied by the client or architect.

Sustainability

  • Integrate sustainable practices into design and construction processes.
  • Evaluate the environmental impact of projects and propose options for improvements.

Documentation

  • Prepare detailed reports, and documentation for project approval and permits.
  • Maintain accurate records of project progress and changes.
  • Manage key registers throughout the project design period:
  • Procurement schedule.
  • TIDP/ MIDP.
  • RFI log.
  • Deviation tracker.
  • Lessons Learnt log.
  • Issues, interface & scope gap trackers.
  • Design change tracker.
  • Value Engineering Register
  • OSM Register

Other

  • Provide technical guidance and support to construction teams.
  • Review and submit technical submittals.
  • Assist with recruitment activities for the Central Engineering team as deemed suitable.
  • Undertake other engineering tasks or duties as required by the Engineering Manager and/ or Company.
  • The Company reserves the right to vary the scope and nature of the Employee’s normal duties to consider changes in the Company’s work patterns and practices and the requirements of its business.

Essential Criteria For The Role

  • Minimum 7 years post graduate experience in the Industrial, Pharmaceutical, Life Sciences or Data Centre sectors.
  • Demonstration of design, technical and construction knowledge is essential for this role.
  • Experience in leading meetings and coordinating the other team members.
  • Strong working knowledge of design and analysis software such as BIM, Revit.
  • Clean driving licence essential

Mercury is an equal opportunities employer. Apply Now

Originally posted on LinkedIn

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