1006 Thermal Systems Engineer Sr

Job description

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