
As a Senior Mechanical Engineer at MEPCO, you will play a pivotal role in delivering high-performance building services (HVAC, plumbing, and fire protection systems) across commercial, healthcare, life sciences, industrial, and data centre sectors.
You will lead projects from concept through construction to handover, support junior engineers, and work collaboratively with multidisciplinary teams to ensure technical excellence and innovative outcomes.
We are looking for someone who remains technically hands-on while taking full ownership of delivery, coordination, quality, and team development.
Salary starts from €3,500 gross/month — but we don't stop there! Bringing higher-level expertise to the table? We are fully open to tailored offers that match your experience.
MEPCO is a leading building services engineering consultancy specializing in high-end mechanical, electrical, and plumbing design. Recently, MEPCO joined Ethos, a global engineering consultancy known for innovation, sustainable design, and digital engineering delivery. Together, we combine top-tier local engineering talent with global reach, delivering complex infrastructure projects across Europe.

Ethos Engineering (2005) deliver high-performance mechanical and electrical (M&E) engineering solutions across Ireland and EMEA. Our expertise spans data centres, commercial, offices, and high-tech environments, with services in design & project management, sustainability, smart buildings, and M&E systems for building services.
At Ethos, our EPIC-F values—Excellence, People, Innovation, Clients, and Financial Strength—drive everything we do. We provide bespoke solutions that not only meet regulatory standards but also deliver long-term value through innovation and sustainability.
Our Design & Project Management service offers full oversight from concept to completion, coordinating all project disciplines including mechanical, electrical, civil, and architectural design. With a focus on scope, time, cost, quality, and risk management, we ensure optimal productivity and value engineering throughout the process, tailored to the client needs.
Our Sustainability Services empower clients to meet stringent environmental standards. From energy modelling and whole-life carbon assessments to net zero carbon roadmaps and ESG frameworks, we help reduce carbon emissions and ensure compliance with global sustainability benchmarks like LEED, BREEAM, and GHG reporting. Focusing on your long-term sustainability goals.
Our Digital/Smart Buildings team transforms spaces into intelligent ecosystems. Focusing on sustainability, user experience, productivity, physical security, and efficiency, we integrate digital technologies like IoT, digital twins, and advanced analytics to optimise building performance. We ensure buildings interact seamlessly with people and systems, delivering exceptional results now and in the future.
Ethos’ expansion across EMEA, has been enabled by our ability to create spaces that bring buildings to life. Our methodology involves designing buildings that not only perform today but ones that contribute to the sustainable, green, and circular economy of tomorrow.