Physical Demands:Ability to work in a variety of circumstances, including but not limited to standing, walking, bending, kneeling, crouching, crawling, climbing ladders, scaffolds, and high-lift equipment; working in ducts, crawl spaces, roofs, basements, above ceilings, and in outside/inside/heat/cold/day/night conditions. As part of the Envelop Group collective of companies, Controlled Environmental Systems (CES) delivers advanced engineering and manufacturing solutions for critical building environments, providing high-quality products and services across sectors such as research, healthcare, and manufacturing; and specializing in critical airflow, air filtration, and HVAC systems.