| Full time | Equipment Maintenance Technician | 08/28/2026 | Pittsburgh | Pennsylvania |
| Full time | Environmental Engineer/Scientist - Industrial Emissions Monitoring and Test Services | 08/28/2026 | Pittsburgh | Pennsylvania |
| Full time | Environmental Engineer/Scientist - Industrial Emissions Monitoring and Test Services | 08/28/2026 | Sumner | Washington |
| Full time | Power Plant Field Services Engineer - In Person | 05/29/2026 | Knoxville/Powell | Tennessee |
| Full time | CNC Programmer/Operator | 02/19/2026 | Palatine | Illinois |
| Full time | Administrative Assistant | 12/30/2025 | Pittsburgh | Pennsylvania |
| Full time | CNC Machinist | 01/24/2025 | Palatine | Illinois |
| Full time | Interested in working at CleanAir? | 06/15/2022 | Palatine | Illinois |
| Full time | Engineering Intern/Co-op | 03/02/2022 | Powell | Tennessee |