# 1006 Thermal Systems Engineer Sr

> ALTEN MÉXICO · Santiago de Querétaro, Mexico (Remote) · Full-time · Posted 2026-09-17

**Workplace:** remote

**Department:** Engineering MDC

## 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**

## Apply

[Apply at ALTEN MÉXICO](https://apply.workable.com/alten-mexico-1/j/0176B728BA/apply)

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