Senior Mechanical Engineer

Dornan Group; Donnycarney; On-site; EUR 75,000 - 110,000; Full time

Benefits offered by this job

Women@ Dornan mentorship and advocacy

Dornan Strava Club

Be Yourself at Dornan

Job summary

Dornan Engineering Group is seeking a Senior Mechanical Engineer to join our data centre division in Dublin. You will report to the engineering lead on site and lead mechanical packages through design, procurement, installation, testing and commissioning in collaboration with clients, consultants and sub-contractors.

We value extensive construction-sector experience in large-scale projects, strong building services knowledge (HVAC, pipework, plant) and a proactive safety culture.

Qualifications

• Degree in Mechanical Engineering, Building Services Engineering, or related discipline.
• Experience delivering mechanical packages on major construction projects, ideally Data Centre or technically complex environments.
• Strong understanding of mechanical design, commissioning processes, and QA requirements.
• Ability to review technical drawings, specifications, and contractor submittals.
• Knowledge of industry standards/regulations for Data Centre and Building Services projects.
• Membership of Engineers Ireland, CIBSE, IMechE or pursuing Chartered status is advantageous.

Responsibilities

• Report to the engineering lead on site and coordinate mechanical packages.
• Lead design, procurement, installation, testing, and commissioning activities.
• Coordinate with clients, consultants, subcontractors and multidisciplinary teams.
• Mentor and develop junior engineers to support high‑performance project delivery.
• Promote health, safety and environmental standards on site.

Skills

Mechanical engineering

Project coordination

Stakeholder management

Mentoring juniors

Education

Degree in Mechanical Engineering

Tools

CAD (Computer-Aided Design)

Job description

Job Title

Dornan Engineering Group is aleading international engineering contractor delivering high-value projects across Europe, UK & Ireland. Based in Dublin, this is an excitingopportunity to join our growing data centre division as a senior mechanical engineer, reporting into our engineering lead on site.

Your Experience

• Extensive experience in mechanical engineering within the construction industry, preferably on large-scale Data Centre, Pharmaceutical, Industrial, or Mission Critical projects.
• Strong understanding of mechanical building services systems including HVAC, chilled water, heating, ventilation, pipework, and associated plant.
• Proven ability to coordinate design, procurement, installation, testing, and commissioning activities through all phases of project delivery.
• Experience working within fast-paced project environments while managing competing priorities and maintaining programme targets.
• Sound commercial awareness with an understanding of project budgets, change management, and cost control.
• Strong knowledge of Health, Safety, Quality, and Environmental standards, with a commitment to promoting a positive safety culture.
• Excellent communication and stakeholder management skills, with experience coordinating across clients, consultants, subcontractors, and multidisciplinary project teams.
• Demonstrated ability to mentor and develop junior engineers, supporting team growth and high-performance project delivery.

Your Qualifications

• Degree in Mechanical Engineering, Building Services Engineering, or a related engineering discipline.
• Previous experience delivering mechanical packages on major construction projects, ideally within the Data Centre sector or other technically complex environments.
• Strong understanding of mechanical design principles, commissioning processes, and quality assurance requirements.
• Proficiency in reviewing technical drawings, specifications, and contractor submittals.
• Knowledge of industry standards, regulations, and best practices relevant to Data Centre and Building Services projects.
• Membership of a recognised professional institution such as Engineers Ireland, CIBSE, IMechE, or working towards Chartered Engineer status would be advantageous.

#LI - IM1

Women @ Dornan: Our W@D Network through mentorship,development, and advocacy empowers women and promotes a more forward thinking construction industry.

Dornan Strava Club: employees can take part in fitness challenges, build connections across the business, and contribute to monthly charitable giving initiatives.

Be Yourself: We want everyone at Dornan tofeel welcome, valued, and supported. By embracing different backgrounds, experiences, and perspectives, we create an environment where people can be themselves, grow their careers, and thrive.