We are seeking an experienced Performance Engineer (PE) with strong expertise in CFD simulation, 1D thermal system modeling, and full‑vehicle performance evaluation. The engineer will support the development of cooling performance for commercial vehicle programs. The ideal candidate is highly skilled in Star‑CCM+ , ANSA , and at least one 1D simulation tool such as Amesim , GT‑Power , or similar, and is capable of balancing numerical simulations with experimental correlation, documentation, and cross‑functional alignment. 40% CFD simulation activities • ~50% reporting, VVP/DVP planning, correlation, project integration CFD Simulation & Numerical Analysis (≈40%) • Perform advanced CFD studies for: engine cooling. • Conduct geometry preparation and high‑quality meshing using ANSA/star-ccm+. • Analyze KPIs, identify performance gaps, propose engineering improvements. Integrate 1D results with CFD outcomes to support system‑level decisions. • Perform sensitivity analyses and scenario assessments. Participate in on‑road testing campaigns for data collection and model validation. • Contribute to climatic chamber tests on roller benches. • Enhance CFD and 1D modeling methodologies, best practices, and automation. • Reporting, Validation Planning & Cross‑Functional Collaboration • Maintain VVP (Virtual Validation Plan) and DVP (Development Validation Plan). • Degree in Mechanical, Automotive, Aerospace Engineering, or related fields. • Strong background in aerodynamics, cooling, HVAC, and thermal management. • Fluent English. • Willingness to travel. Excellent communication and technical writing. • Experience climatic wind tunnel operations. •