Mousa Hemdan currently serves as a Qs Mechanical Engineer at BEC Arabia since October 2023. Previously, Mousa worked at ECS - Energy and Contracting Solutions from July 2020 to October 2023, where the roles included Mechanical Construction Manager for the Baheya Hospital Project and Senior Site Mechanical Engineer for the Shifaa Orman Hospital Project. Responsibilities involved supervising and implementing mechanical installations, ensuring compliance with contract documents, and coordinating with site engineers and subcontractors. Earlier experience includes serving as a Site Engineer at Encorp International E&C, overseeing HVAC and firefighting system installations, and as a Production Engineer at the Egyptian Company for Air Systems, where Mousa managed production processes and documentation. An engineering internship at Egyptian International Motor provided foundational knowledge in diesel and hydraulic systems maintenance.