Principal Mechanical Engineer

AESG is seeking an accomplished Principal Mechanical Engineer with deep expertise in mission‑critical facility design to join our growing Mission Critical department.

Reporting directly to the Head of Mission Critical, this senior role offers significant career progression opportunities and the chance to lead diverse data center projects across the EMEA region, spanning full design delivery, technical advisory services, and contractor support during construction phases.

The ideal candidate will combine technical excellence in mechanical systems design with proven client management skills, business development acumen, and the political savvy to navigate complex stakeholder environments.

This is a leadership role for someone ready to take the next step in their career while maintaining hands‑on involvement across the full project lifecycle—from early‑stage advisory through design development to construction oversight and commissioning support.