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John Sisk & Son

Builds data centers and infrastructure in Europe

Mechanical Lead

Building Services EngineeringPosted on Nov 5
Full-timeLimerick, IrelandNo salary listed

About the Job

Requirements

  • Strong technical expertise in mechanical systems, including HVAC, utilities, and process installations.
  • Proven leadership experience delivering mechanical works on large, complex construction or engineering projects.
  • Strong understanding of health, safety, and environmental standards in construction and engineering.
  • Familiarity with commissioning, validation, and system turnover in regulated sectors.
  • A degree in Mechanical Engineering, Building Services Engineering, or an equivalent technical qualification.
  • Demonstrated experience leading mechanical delivery on Tier 1 or equivalent projects.
  • Valid Safe Pass and relevant health and safety training, such as CSCS or equivalent.

Responsibilities

  • Lead the mechanical function and oversee delivery of systems including HVAC, utilities, process piping, and specialist systems.
  • Ensure delivery aligns with programme, cost, safety, and quality requirements.
  • Provide technical leadership and guidance to engineers, supervisors, and subcontractors.
  • Develop and implement strategies for execution planning, resource allocation, and performance management.
  • Review and approve design documents, technical submittals, and material selections.
  • Ensure compliance with client specifications, design standards, and applicable regulations, including GMP, ISO, ASHRAE, and CIBSE.
  • Oversee FATs, MEP construction, SATs, commissioning, and system turnover for the mechanical scope.
  • Support validation and handover activities with accurate documentation and traceability.
  • Drive adherence to health, safety, and environmental policies across mechanical activities.
  • Implement and monitor quality assurance and quality control processes.
  • Identify and manage technical and delivery risks, implementing mitigation measures where necessary.
  • Promote continuous improvement, accountability, and safety leadership.
  • Act as the primary point of contact for mechanical delivery with clients, consultants, and regulatory authorities.
  • Coordinate with electrical, process, civil, and architectural teams to ensure project integration.
  • Lead mechanical coordination meetings and report progress, challenges, and opportunities to project leadership.
  • Build strong relationships with internal and external stakeholders to achieve aligned project outcomes.

Desired Qualifications

  • Data centre experience.
  • Building Management System (BMS) experience.
  • Knowledge of Building Information Modeling (BIM) and digital project delivery tools.
  • Commercial awareness, including contract administration and cost management.
  • Chartered Engineer status or working towards professional membership, such as Engineers Ireland, CIBSE, or ASHRAE.
  • A postgraduate qualification in project management or construction management.
  • Specialist training in GMP, cleanroom, or regulatory compliance relevant to life sciences and technology sectors.

About the Company

John Sisk & Son

Builds data centers and infrastructure in Europe

John Sisk & Son builds commercial buildings and infrastructure for clients across Ireland, the UK and mainland Europe, including data centers, laboratories and transport projects. It earns revenue from construction and engineering contracts, covering early planning, construction and interior fit-out as well as ongoing maintenance. Its VisionBuilt business designs, manufactures and installs steel frames offsite, while its specialist rail businesses maintain networks and handle electrification. Sisk also runs an internal design consultancy and carries out building remediation, retrofits and refurbishment. Founded in Cork in 1859, it is headquartered at Citywest in Dublin.

Company size
1,001-5,000
Company stage
Not listed
Total funding
Not listed
Headquarters
Dublin 24, Ireland
Founded
1859

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