
Ethos is a collaborative team of engineers, consultants, and creative thinkers designing and delivering data centre and energy infrastructure across the world's most dynamic markets. As a multidisciplinary consultancy, we combine technical expertise, creativity, and integrated delivery to lead complex, mission-critical projects.
Built on strong relationships, clear leadership, and a can-do mindset, Ethos is entering an exciting phase of growth, expanding our capabilities and taking on increasingly high-impact projects across EMEA and beyond.
Sustainability guides how we design, collaborate, and deliver, creating innovative solutions and lasting value for our clients and communities — making Performance Made Possible.
At Ethos, we’re leading the way in sustainable building services. As part of our continued commitment to innovation and environmental stewardship, we're seeking a passionate and experienced Senior Sustainability Consultant to join our dynamic team.
In this role, you'll take the lead on environmental certifications, with a particular focus on LEED AP, playing a key part in shaping sustainability strategies across a diverse range of projects including commercial, residential, and data centres. You'll collaborate closely with clients, design teams, and internal stakeholders to deliver robust and forward-thinking solutions that align with sustainability best practices and legislative requirements.
This is an exciting opportunity to influence real-world environmental outcomes while contributing to the growth and excellence of our sustainability consultancy services.

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.