About Ethos

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.

About the Job

We are seeking a Senior Mechanical Design Engineer to join our soon-to-be-launched Birmingham office, working closely with our established Dublin team. This is an exciting opportunity to play a key role in the growth of our new UK hub while contributing to major data centre hyperscale projects across the EMEA region.

This position will initially be fully remote. However, once the Birmingham hub is operational, flexible attendance at the office will be required. The role offers a hybrid working model, combining remote flexibility with collaborative, office-based engagement.

As a Senior Mechanical Design Engineer, you will oversee projects across EMEA, managing the full lifecycle from initial concept through to client handover. You will take ownership of project delivery and support the continued development of engineering staff through mentoring and technical guidance.

A strong working knowledge of CIBSE, ASHRAE, BS, IS and EN standards is essential, alongside proficiency in Microsoft Office, Bluebeam, AutoCAD and REVIT.

About You

This role offers a hybrid remote arrangement in Birmingham. This position will initially be fully remote. However, once the Birmingham hub is operational, flexible attendance at the office will be required.
Honours Degree – Chartered an advantage but not essential
Minimum 7+ years experience with Data Centres, Industrial, High Tech, Commercial and/or Healthcare engineering projects
Deep understanding of CIBSE, ASHRAE, BS, IS and EN Standards
Working knowledge of Bluebeam, AutoCad and REVIT
Any other engineering analysis software is an advantage
Proficient in the use of Microsoft Office Suite
Excellent communication, presentation, and organisational skills
Experience leading & coordinating an engineering team in the successful delivery of projects
Inquisitive about emerging technologies and their application in your role

Responsibilities:

Lead mechanical services design on projects from concept stage to completion
Specification and design of mechanical building services systems
Continuous design and installation quality checks and control
Provide fully detailed tender packages / tender reports / analysis / recommendations
Uphold the mechanical design standards within the organisation
Collaborate with the design team and clients to develop project scopes.
Capable of taking the lead on projects with minimal input from management team
Mentor and guide engineering staff.

Why Join Us?

Join collaborative leaders – Work alongside experienced, approachable professionals who
combine technical excellence with calm, supportive leadership.
Make a real impact – Contribute to mission-critical infrastructure projects that support the digital and energy transition across EMEA and beyond.
Grow with us – As a rapidly growing consultancy, we offer opportunities to develop your skills, broaden your experience, and build your career.
Shape a more sustainable future – Sustainability isn't an initiative—it's embedded in every project, every discipline, and every decision we make.

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: