CleanAir Engineering is a global leader in independent performance testing and custom engineering solutions, serving clients worldwide from offices in seven cities. For more than 50 years, we have supported complex energy and industrial systems through data-driven insights in thermal and hydraulic performance analysis, sound and emissions testing, precision instrumentation rental, and turnkey equipment manufacturing. Were growingand were looking for curious, driven, Mechanical, Chemical, or Thermal Engineers to join our Performance Group, where engineering meets real-world impact. This role is ideal for engineers seeking hands-on experience, global exposure, and the opportunity to directly impact system performance, efficiency, and sustainability. Youll support performance evaluations of turbines, boilers, and heat rejection systems in power generation, process plants, petrochemical facilities, and campus utility systems, among others. Our engineers are actively involved in field testi...