offpeak

Ethos

Senior Project Engineer - Mechanical (Data Centres)

Vilnius, Lithuania (city only)

On-site

First seen by offpeak October 22, 2026

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About the Job

As a Senior Project Mechanical Design Engineer, you will lead the design of mechanical building services within the data centre sector, managing projects across EMEA from concept through to client handover. You will take ownership of multiple projects, ensuring programme, budget and quality objectives are achieved.

You will build and maintain strong client relationships and act as a key point of coordination across multidisciplinary teams. In addition, you will mentor and support engineering staff, ensuring all deliverables align with our quality assurance standards and that project teams remain on track to meet deadlines.

About MEPCO & Ethos

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.

About You

Responsibilities: