ALTEN Mexico, is a leading engineering company that specializes in providing innovative solutions for engineering, technology, and product development projects. We work directly with different industries including Automotive, Energy, Aeronautics, Banking & Insurance, Telecom & Multimedia, and Rail; offering services ranging from project design development to test/validation, programming, implementation, and manufacturing. ALTEN Mexico as a subsidiary of the ALTEN Group. Currently working with international clients, and we are looking for a Thermal Systems Engineer who will contribute to the development of an Iron Air Battery, a large-scale energy storage solution, as a system-level specialist for cold-weather, heater, pump, insulation, and thermal-performance issues. Location: Remote Experience Level: 5+ years English: B2–C1 Key Responsibilities - Assess cold-weather operating and storage requirements, snow/ice effects, and self-draining concepts. - Evaluate heater and pump alternatives, thermal performance, duty cycles, isolation needs, and failure modes. - Coordinate thermal analysis with CFD, mechanical, electrical, materials, and validation teams. - Define thermal verification methods and review empirical test results supplied by the customer or vendor. - Develop recommendations balancing performance, cost, manufacturability,



and revalidation impact. Requirements Must‐Have Qualifications - Bachelor's or advanced degree in Mechanical Engineering or related field. - 5+ years of thermal systems, thermal analysis, HVAC, energy systems, battery systems, or fluid-system engineering experience. - Strong fundamentals in thermal requirements, heat transfer, cold-weather design, freeze protection, heaters, pumps, insulation, and thermal interfaces. Thermodynamics, fluid mechanics, and test correlation. - Steady-state and transient thermal analysis using hand calculations, 1D models, or 3D tools as appropriate. - Experience with heaters, pumps, cold-weather performance, or temperature-controlled products preferred. - English level B2–C1. Soft Skills - Strong communication and cross‐functional collaboration. - Technical leadership and decision‐making capability. - Problem‐solving and analytical thinking. - Time management and ability to operate under tight deadlines. - Detail‐oriented mindset with strong documentation discipline. - Supplier coordination and negotiation skills. - Continuous improvement and robust design focus. Benefits - Competitive salary - Benefits above those required by law - Career growth and development plan - Remote work scheme

📌 Thermal Systems Engineer Sr (Ciudad de México)
🏢 Alten Mexico
📍 Ciudad de México