Senior Project Engineer - Mechanical (Data Centres) Data Centres · Dublin ·

Ethos Engineering

Dublin

On-site

EUR 90,000 - 130,000

Full time

14 days+

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Benefits offered by this job

Flexible Fridays

9-day fortnight

Hybrid working

Pension Scheme

Company laptop

Travel expense coverage

Chartership support

Training & mentoring

Job summary

Ethos Engineering is seeking a Senior Project Mechanical Design Engineer in Ireland to lead mechanical building services for data centre projects across the EMEA region. You will manage the full lifecycle from concept to handover, mentor staff, and maintain QA standards while guiding a team toward on-time delivery.

You will balance multiple tasks, oversee client relations, and represent the design team in meetings, delivering tailored building services solutions with strong communication.

Qualifications

Minimum of 10+ years of mechanical design experience.
Hold a professional qualification and demonstrable leadership.
Senior design role delivering data centre projects with client liaison.
Excellent communication skills for meetings and reports.
Ability to lead briefs from project lead and manage timelines.

Responsibilities

Oversee development and workload of team members to optimise productivity.
Guide decision-making with extensive knowledge of discipline areas.
Develop strong client relationships to deliver tailored solutions.
Control project scope by understanding contract terms.
Delegate tasks to maximise value and engagement.
Report progress to Management Team for transparency.
Manage quality control to meet established standards.
Engage in resource management to optimise execution.
Support and mentor junior engineers within the group.

Skills

Project leadership

HVAC design

Building services

Client relationship management

Mentoring

Report writing

Education

Professional qualification

Job description

About the role:

Ethos is looking for a highly skilled Senior Project Mechanical Design Engineer with 10+ years experience. They will need to lead the design of mechanical building services for projects in the data centre sector. As a Senior Project Mechanical Design Engineer, you will oversee projects across the EMEA region, managing the full project lifecycle from initial concept to client handover. You will confidently handle project delivery while building and maintaining strong client relationships. In addition, you will mentor and guide engineering staff, ensuring all team deliverables meet our quality assurance standards before handover. One of your primary deliverables in this role will be the management of several projects and ensuring that all members of the team stay on track with deliverables.

Responsibilities:

Oversee the development and workload of team members to optimise productivity.
Possess extensive knowledge of discipline areas to guide decision-making and problem-solving effectively.
Understand client needs and develop strong client relationships to deliver tailored solutions that meet expectations.
Comprehend contract terms and conditions to control scope creep and maintain project integrity.
Delegate tasks strategically to achieve maximum value and enhance team engagement.
Report progress to the Group Management Team to ensure transparency and alignment with organisational goals.
Manage quality control within projects to ensure deliverables meet established standards.
Engage in resource management to optimise resource allocation and project execution.
Promote a positive message internally and externally to enhance team morale and the company’s reputation.

About you:

This role offers a hybrid remote arrangement in Ireland, requiring attendance at the Dublin office as determined by the team's schedule.
Minimum of 10+ years of mechanical design experience.
Hold a professional qualification.
Role would be as a senior member of the design team, working under the team leadership to deliver leading data centre developments for some of the largest tech firms in Ireland and overseas.
Candidate would need excellent communication skills, representing Ethos as the design team in client meetings.
Ability to lead projects and take briefs from the project lead on large projects, delivering and controlling the required tasks.
Candidate needs to balance multiple tasks, prioritise, and delegate as appropriate to meet project deadlines.
Excellent report writing skills and the ability to explain complex engineering issues in simple and clear language.
Good understanding of HVAC and building controls.
Experience in the design of plumbing and drainage systems is preferred.
Training and professional development of junior and intermediate engineers working as part of the group.
Training and mentorship will be provided to develop the right candidate to progress into a lead role within the Data Centre team.

Why Join Us?

At Ethos, we’re dedicated to fostering an environment that encourages both technical excellence and personal wellbeing.
We offer:

Flexible Fridays and a 9-day fortnight working schedule — enjoy every second Friday off to maintain work–life balance.
A culture that values flexibility, learning, and teamwork, with clear progression pathways and support toward professional accreditation.
Opportunities to work alongside some of the most experienced engineers in the industry, within a forward-thinking, technology-driven consultancy.

Benefits:

Flexible working times / Hybrid Working
20 days of holidays, increasing up to 25 days
Pension Scheme
Your own company laptop
Coverage for working travel out-of-pocket expenses
Travel tax scheme or bike-to-work scheme
Regular training, mentoring, and further college support
Support for Chartership
A professional subscription fee paid by the company
Heavily subsidized social committee activities (5-a-side football, golf society, climbing club, and regular social events)

Company Description:

Ethos is a team of collaborative and creative consultant engineers & professionals, leading data centre and energy infrastructure projects globally.

Our Charter: