This role serves as a technical focal for engine-level PTMS, leading system trade studies, requirements definition, and verification activities while working closely with OEM and airframers, Integrated Product Teams (IPTs), CDS Accessories, and industrial partners to deliver compliant, robust, and producible PTMS solutions. Lead integration and performance assessment of engine heat management subsystems, including ACCA / ICCA / buffer architectures, Customer, start, inlet, and fan bleeds, Anti-ice systems, Engine and aircraft heat exchangers.