Senior Engineer - Mechanical (Data Centres)

Title: Senior Engineer - Mechanical (Data Centres) Location: hybrid / Vilnius / Lithuania

About the Job

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.

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

• 5+ years of experience as a Mechanical / HVAC / Plumbing Engineer within the building services sector.
• Degree in Mechanical Engineering, Building Services Engineering, or a related discipline
• Certified Engineer status in Lithuania is a strong advantage.
• Strong understanding of relevant Lithuanian Building Regulations (STR) and European standards (LST EN / ISO). Familiarity with international standards (ASHRAE, CIBSE, LEED/BREEAM) is a plus.
• Proficient in Revit MEP and AutoCAD (working knowledge of HVAC calculation, thermal analysis, or energy modeling software is an advantage).
• Experience across data centres, commercial, industrial, high-tech, healthcare, or life sciences projects is preferred.

Responsibilities

• Lead mechanical services design (HVAC, plumbing, heating, cooling, and fire protection) on projects, managing delivery from concept stage through to construction and client handover.
• Champion MEPCO and Ethos mechanical design standards and drive adoption of innovative technologies, energy-efficient, and sustainable solutions.
• Prepare technical specifications, engineering calculations, system coordination, and detailed tender packages (including reports, analysis, and recommendations).
• Oversee and perform design and installation quality checks in line with project requirements, Lithuanian regulations, and relevant European standards.
• Provide mentorship, coaching, and technical guidance to junior engineers and graduates.
• Participate in design reviews, technical workshops, and site inspections as needed.