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. We're growing—and we're looking for a technically skilled and highly organized Metrology Supervisor to lead calibration and equipment logistics operations supporting our Performance Group. Based in Knoxville, Tennessee, this hands‐on role oversees calibration activities, laboratory and warehouse workflows, instrumentation troubleshooting, and project equipment coordination, supporting field testing in multiple projects across the U.S. and around the world. Why You'll Love This Job Meaningful impact supporting critical testing and engineering projects worldw...