About the Job:
As a Senior Mechanical Engineer, you will lead the delivery of mechanical building services/ MEP design for energy, industrial and commercial projects within a multidisciplinary building services consultancy environment. The role focuses on the design of base-build and building services systems for complex and regulated facilities, rather than process or manufacturing equipment design.
You will manage the full project lifecycle from concept through to client handover, build strong client relationships, and mentor engineering staff to ensure all deliverables meet the required technical and quality standards.
This is a hybrid role based in Ireland, with attendance at the Dublin office aligned to team and project requirements.
Experience & Qualifications
Honours Degree in Mechanical Engineering / Building Services or a related discipline
7+ years’ experience in mechanical building services/MEP Design, ideally within a consultancy setting
Project experience across energy, industrial and/or commercial sectors
Experience working alongside process engineers, with responsibility for base-build and building services systems, not process equipment design
Chartered Engineer status is an advantage but not essential
Must be based in Ireland but visa for travel within Europe on occasion.
Key Responsibilities
Lead mechanical building services design on energy, industrial and commercial projects from concept stage through to completion
Represent Ethos at Client and Design Team Meetings
Deliver mechanical services solutions for buildings, including manufacturing, food and beverage, pharmaceutical, medical devices, life sciences, laboratories and commercial developments
Design and specify HVAC, ventilation, heating, cooling, utilities and life safety systems in line with consultancy-led building services best practice
Develop mechanical services designs for ATEX-classified environments, cleanrooms and laboratories, coordinating closely with safety and compliance requirements
Coordinate mechanical building services designs with architectural, structural, electrical, process and client stakeholders
Carry out continuous design and installation quality checks to ensure compliance with project specifications and applicable standards
Prepare fully detailed mechanical building services tender packages, technical reports, analyses and recommendations
Support construction stages through technical queries, site visits and coordination with contractors and vendors
Take technical ownership of projects, operating with minimal input from senior management
Mentor, guide and review the work of junior and intermediate engineers, ensuring QA standards are met prior to issue
Technical Skills
Strong experience in mechanical building services / MEP systems design within a consultancy environment
Proven expertise delivering HVAC and building services systems for industrial buildings
Working knowledge of ATEX directives and mechanical design considerations in hazardous environments
In-depth understanding of CIBSE, ASHRAE, BS, IS and EN standards
Proficient in Navisworks, Bluebeam and the Microsoft Office Suite
Familiarity with consultancy QA processes, design coordination and technical governance
Soft Skills & Team Fit
Excellent communication and client-facing skills
Proven ability to lead projects and coordinate multidisciplinary design teams
Highly organised with strong time management skills
Proactive, collaborative and inquisitive, with an interest in emerging technologies and best practice
Comfortable mentoring engineers and contributing to a positive consultancy culture
Why Join us?
At Ethos, we’re dedicated to fostering an environment that encourages both technical excellence and personal wellbeing. As a Mechanical Engineer, you’ll be part of a highly skilled, collaborative team that leverages innovation and simulation to shape more sustainable and efficient designs across diverse projects.
We offer:
Flexible Fridays and a 9-day fortnight working schedule — enjoy every second Friday off to maintain work–life balance.
A state-of-the-art office in Charlemont, Dublin 2, designed to promote collaboration, innovation, and wellbeing.
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
20 Days holidays up to 25 days
Pension Scheme
Working travel out-of-pocket expenses
Travel tax scheme or bike-to-work scheme
Regular training/mentoring / further college support
Support for Chartership
Subsidised Health Insurance Allowance
A Professional Subscription Fee paid by the company
Paid Statutory Leaves
Healthcare check-ups and flu vaccinations
Gym / Fitness membership
Bonus referral scheme
Heavily subsidised social committee (5 a side, 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:
We believe in strong human relationships
We believe clear leadership lights the path
We believe sustainability is non-negotiable
We believe a can-do mindset can move mountains
We believe in a relentless focus on delivery
Our Tagline:
Performance Made Possible
