| Full time | FIELD SCIENTIST / AIR EMISSIONS STACK TEST FIELD TEAM LEADER | 08/14/2025 | Pittsburgh | Pennsylvania |
| Full time | Environmental Air Quality Engineer - Mid Level | 07/25/2025 | Williamsport | Pennsylvania |
| Full time | Environmental Air Quality Engineer | 07/25/2025 | Pittsburgh | Pennsylvania |
| Full time | FIELD SCIENTIST | 07/25/2025 | Palatine | Illinois |
| Full time | Thermal Engineer - Performance Group | 06/17/2025 | Powell | Tennessee |
| Full time | IT Systems Support Analyst | 06/06/2025 | Palatine | Illinois |
| Full time | Safety Program Administrator | 06/24/2025 | 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 |