TTS' Industrial Services Group is looking for a Senior Mechanical Engineer with extensive experience in cleanroom environments and industrial HVAC systems to support a high-profile advanced manufacturing project in the Gulf Coast or Southwest U.S. This role is ideal for a seasoned mechanical engineer with a strong background in cleanroom design, air handling systems, and contamination-controlled environments. The selected candidate will provide technical leadership, support design and engineering activities, troubleshoot field issues, and collaborate with multidisciplinary project teams throughout the project lifecycle. Responsibilities Lead and coordinate mechanical engineering activities for complex industrial and advanced manufacturing facilities. Develop and review HVAC and cleanroom system designs, calculations, specifications, and technical documentation. Support equipment selection, technical bid evaluations, and procurement activities. Perform field investigations, troubleshoot...