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

📌 1006 Thermal Systems Engineer Sr (Santiago de Querétaro)
🏢 Alten Mexico
📍 Santiago de Querétaro