Mechanical Design Engineer

OPUS Aerospace is a start-up founded in 2020, positioned at the crossroads of space and defense, based in Brétigny-sur-Orge on the former Air Base 217, developing sounding rockets for very high altitude up to the edge of space, dedicated to dual-use applications.

Through Mésange, its supersonic sounding rocket, the company addresses defense applications such as simulating aerial threats, qualifying detection and interception systems, and training armed forces, as well as civilian missions such as microgravity experiments, upper atmosphere research, and qualifying space technologies in a real environment.

As it prepares for Mésange’s first flight, OPUS Aerospace is building a sovereign, disruptive capability brick by brick.

Design mechanical components for the company’s launcher and related ground systems on CAD software

Carry out thermal, structural, and tolerance analyses using analytical calculations and finite element methods

Define and justify structural design and process choices; establish and maintain the associated study and summary reports

Define manufacturing and inspection processes; monitor production with subcontractors and partners to ensure compliance throughout the development cycle

Contribute to setting up and running test campaigns, whether in-house or with partners

Draft and update the associated technical and configuration documentation

Graduate of an engineering school or holder of a master’s degree in mechanical engineering, aerospace, structures, or an equivalent discipline

At least 3 years of experience in an aerospace, defense, or other demanding industrial environment

Proficiency in a 3D CAD software package (SolidWorks, CATIA V5, or equivalent) and skills in structural analysis by finite elements (ANSYS, Altair, or equivalent)

Knowledge of manufacturing processes (machining, welding, metal 3D printing, composites) and applicable aerospace standards (ECSS, MIL-SPEC, or equivalent)

Working within an international team, technical proficiency in English is essential; knowledge of another language would be a plus

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