| Full time | Electrical Mechanical Assembler | 04/23/2024 | Pittsburgh | Pennsylvania |
| Full time | Entry-Level Lab Chemist (GC, IC, Gravimetrics) | 04/15/2024 | Palatine | Illinois |
| Full time | Environmental Engineer | 04/01/2024 | Pittsburgh | Pennsylvania |
| Full time | AIR EMISSIONS STACK TEST FIELD TEAM LEADER | 02/27/2024 | Palatine | Illinois |
| Full time | AIR EMISSIONS STACK TEST FIELD TEAM LEADER | 02/27/2024 | Pittsburgh | Pennsylvania |
| Full time | AIR EMISSIONS STACK TEST FIELD TEAM LEADER | 02/14/2024 | Sumner | Washington |
| Full time | FIELD SCIENTIST | 10/05/2023 | Palatine | Illinois |
| Full time | Field Scientist | 12/02/2022 | Pittsburgh | Pennsylvania |
| Full time | Environmental Electrical/Mechanical Traveling Technician | 01/25/2024 | 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 |