STEP UP est une société d'ingénierie experte en pilotage de projets industriels et informatiques (+ 250 collaborateurs sur 11 agences en France), plaçant le potentiel humain comme 1er vecteur d'excellence et de performance en entreprise. Oubliez les sociétés d'ingénierie qui ne valorisent que vos seules compétences, chez STEP UP, nous visons également l'adéquation entre votre personnalité et la culture d'entreprise de nos clients. Cela se traduit pour vous par une différence fondamentale en termes de bien être, d'épanouissement au travail et de succès dans vos missions. Ce que nous vous proposons : - Un cadre de travail épanouissant, stimulant et collaboratif, nous sommes certifiés entreprise où il fait bon vivre ! - Des projets innovants et variés. - La possibilité de se perfectionner continuellement avec des formations internes. - Des perspectives d'évolution de carrière. - Un accompagnement individualisé avec un programme de développement du potentiel humain. - Un programme de cooptation. Et bien sûr, nous prenons en charge 70% de votre mutuelle santé et encourageons financièrement la mobilité douce. Le poste : - Composite Design Engineer - Aircraft Cabin Interior Structures (M/F) Île-de-France (France) Strategic Aerospace Project - Cabin Structures Only (Not Primary Structure) Work Visa Sponsorship Available Are you experienced in designing aircraft cabin structures such as seats, linings, monuments, or partitions'not primary structure? Are you ready to work on high-stakes, innovative aerospace projects in a multicultural environment- If yes, let's talk. What you will do As part of an engineering team focused on aircraft cabin interiors, you'll be involved in composite structural design and integration for complex cabin components. Key Responsibilities: Design and develop composite components for cabin interiors (seating, linings, PSU, monuments, partitions, etc.) Generate detailed 3D models, BoMs, and integration studies using CATIA V5 Ensure design for manufacturability, compliance with aerospace standards (CS25/FAA), and ergonomics Participate in design reviews and support engineering milestones (PDR, CDR, ITCM) Work closely with cross-functional teams: manufacturing, certification, supply chain, and customer interface Develop and implement internal design guidelines and best practices Support composite tooling, prototyping, and production integration Profil recherché : What we expect - Mandatory: Minimum 2 years of professional experience (excluding internships or apprenticeships) in aircraft cabin interior structural design Hands-on experience with composite materials and cabin structure integration Good command of CATIA V5, ENOVIA or SmarTeam is a plus Understanding of LOPA, seating layout, and interior assembly line environment Familiarity with certification constraints (CS25, FAA) and design to cost/mass Soft Skills: Autonomous, problem-solver, and proactive mindset Strong team player with excellent communication Capability to work under tight deadlines in a multicultural team Languages: French (professional level) - required for communication with local teams and workshops English (fluent) - required for documentation and international collaboration Work visa sponsorship is available for highly qualified profiles meeting the technical and language criteria. At STEP UP, we don't just deliver projects - we grow people. Our founder Stéphane CAMPO built STEP UP on a core belief in personal development, embodied in our unique program MindSteps. To streamline the process, please include your salary expectations in your application. Ready to join a high-impact team in one of France's top aerospace programs' Apply now - we're excited to meet you! #WeAreStepUp #StepUpParis #CabinInterior #CompositeEngineer #AircraftCabinDesign #EngineeringJobs #MindSteps #VisaSponsorship #AerospaceJobs #CatiaV5