Thermal system engineer - Aerospace

Thermal system engineer - Aerospace

Position:
Thermal Systems Engineer - Aerospace.

Location:

Luzern, Switzerland.

Contract:

Permanent contract, full-time position. Salary:
It will be discussed during the recruiting process, taking into consideration seniority and responsibilities within the activity. AYES is a Switzerland-based Engineering and Technology company headquartered in Baden. Our core business operates across several industrial sectors, including Automotive, Aerospace, Railway, Energy, and Life Sciences. With a strong focus on innovation and engineering excellence, AYES supports clients across Switzerland, Europe, and the United States, delivering advanced R&D and technology solutions.

At AYES, people are at the center of everything we do. We believe that knowledge sharing, collaboration, and talent development are key drivers of sustainable growth and technological progress.

• Perform thermal performance evaluations for aerospace systems and components throughout the product development lifecycle
• Develop and maintain analytical and simulation-based thermal models using MATLAB, Simulink, or equivalent engineering tools
• Assess temperature distributions, cooling requirements, and heat transfer mechanisms under various operating conditions
• Conduct environmental and cabin thermal analyses, including pressure and airflow considerations
• Support the definition and optimization of thermal management strategies and control concepts
• Contribute to system validation activities through testing, correlation, and model refinement
• Participate in safety and reliability assessments related to thermal and environmental control functions
• Ensure compliance with applicable aerospace standards, certification requirements, and engineering best practices
• Collaborate with multidisciplinary engineering teams, including systems, testing, certification, and design departments
• Prepare and present technical analyses, reports, and recommendations to project stakeholders

• University degree in Aerospace Engineering, Mechanical Engineering, or a related technical field
• Minimum 5 years of experience in thermal engineering within the aerospace sector
• Strong background in thermodynamics, heat transfer, and thermal management principles
• Experience developing engineering models and simulations using MATLAB/Simulink or similar software
• Knowledge of aircraft environmental control systems (ECS) and thermal control architectures
• Familiarity with thermal testing, model validation, and engineering analysis methodologies
• Understanding of aircraft development processes and certification activities; experience with CS-23 and/or FAR 23 is considered a strong advantage
• Basic knowledge of aerodynamics and its impact on thermal system performance
• Strong analytical and problem-solving skills
• Excellent communication skills and ability to work effectively within multidisciplinary teams
• Fluent English (mandatory)