The Position As part of our ongoing growth, we are looking for a Mechanical Engineer to join our teams and work on client projects located in Belgium. As a Mechanical Engineer, your main responsibilities will include: Creating detailed 3D models and engineering drawings using CAD software (e.g., SolidWorks, CATIA, Creo) Performing structural and thermal analysis to ensure the integrity and performance of payload components under various space conditions Collaborating with systems engineers to ensure seamless integration Conducting and overseeing environmental testing (vibration, thermal, vacuum, etc.) to validate design performance Your Profile Mechanical Engineering degree Minimum 1 year of experience in a similar position Proficiency in CAD tools such as CATIA V5, SolidWorks, or similar software Language(s): Fluent in French and English (spoken and written, minimum B2 level) Quality-focused, team-oriented, and resilient Strong analytical thinking to address engineering deviations Working Conditions Permanent contract with an attractive salary package Company car with fuel card Representation fees Meal vouchers Mobile phone subscription Group insurance & healthcare insurance Possibility of remote work 20 legal vacation days 12 compensatory days What we offer Access to exciting projects in key sectors: Transport, Energy, Automotive, Telecom, Finance A diverse client base: Collaborations with both large corporations and smaller dynamic companies across Belgium A real career development plan: Continuous training, coaching, daily knowledge sharing An innovative and collaborative environment About ALTEN ALTEN is a world leader in engineering and technology consulting, with over 57,000 employees in more than 30 countries. We support major companies in their innovation, R&D, and digital transformation projects across sectors such as automotive, aerospace, energy, finance, life sciences, and telecommunications. Present in Belgium for over 25 years, ALTEN Belgium operates from its offices in Brussels and Antwerp. Today, with a team of 700 consultants, ALTEN Belgium offers a wide range of expertise across Engineering, Life Sciences, and IT fields. From Automotive to Railway, and Medtech to Agrifood, our experts deploy their knowledge to provide innovative solutions in a dynamic and forward-thinking environment. Ready for a new challenge? Apply now and take part in innovative and impactful projects at ALTEN Belgium!