Mechanical Design Engineer H/F
Confirmed on the employer's own hiring board on Nov 3, 2026. First seen by Alion on Oct 5, 2026. Expliseat scores B on the Alion truth index.
At Expliseat, we are reinventing the way people travel. Since 2012, our patented ultralight aircraft seats have been making planes lighter, reducing fuel consumption, and cutting CO₂ emissions. With over 10,000 seats already flying worldwide, we are the leader in ultralight seats for regional aviation and are now expanding into the medium-haul market.
Our mission? Combine performance, comfort, and a positive environmental impact.
Join a passionate team where innovation, agility, and bold ideas drive every project-and help decarbonize tomorrow’s mobility .
Role Overview
The purpose of the Mechanical Design Engineer is to generate class-leading design solutions for parts, systems and assemblies of our innovative & class-leading aircraft passenger seating. You will have responsibility for component, sub-system and whole seat work packages. Working within a cross-functional project team you will define and develop the engineering solutions for your assigned work packages from concept through certification and into production. In this high-impact role, you will need to consider all aspects of the design including safety, reliability, comfort, environmental, aesthetics, manufacture, assembly as well as maintenance and operation by our airline customers.
Key Responsibilities
Deliver high-quality engineering component and assembly designs, from concept to serial production, on time and to specification.
Generate and maintain 3D models, 2D engineering drawings and BOMs, in accordance with Expliseat standards, along with associated documentation management using CAD tools such as CATIA and SolidWorks.
Collaborate cross-functionally with colleagues in Engineering, FEA, Certification, Purchasing, Quality, Production, and Program Management teams to ensure the successful delivery of development projects.
Optimise your engineering design output to achieve the best balance of key success factors including safety, reliability, comfort, weight, cost, manufacture, and assembly, to ensure a competitive, lightweight, and easily manufacturable product. Propose technical solutions to reduce product weight and improve reliability, while contributing to reducing the environmental footprint.
Participate in functional analysis, FMEA (Failure Mode and Effects Analysis), and the selection of materials and manufacturing processes.
Elevate the passenger experience by maintaining exceptionally rigorous standards for premium Trim & Finish materials, textures, and perceived quality.
Proactively contribute to the continuous improvement of products and processes.
Key Requirements - Essential
Degree qualification in Mechanical Engineering, Product Design or a related field. Applicants with alternative educational backgrounds but significant relevant experience will also be considered.
Minimum 2 years’ postgraduate experience in new product development and/or new product introduction.
Competence in industry-standard CAD software (such as SolidWorks, Catia), and the production of high-quality engineering drawings, geometric dimensioning and tolerancing.
Knowledge and experience of a variety of materials (aluminium, composite, plastics, soft trim) and manufacturing processes (machining, extrusion, injection moulding, thermo-forming).
Attention to detail - a strong eye for detail, and awareness of design for perceived quality.
Curious, rigorous, autonomous, and comfortable working as part of a multidisciplinary team.
Fluent in technical English, both written and spoken.
Key Requirements - Preferred
Awareness of FAA/EASA airworthiness standards for cabin safety and interior equipment (e.g., FAR/CS 25.853, 25.562)
Experience of design and development of mechanical systems for industrial applications, ideally in the aerospace, mobility, or mass-production sectors.
Fluency in both French and English is required.
Why Join Us
Contribute to a more environmentally responsible industry
Join a passionate and agile team, where every idea matters
Grow within an innovative and fast-growing company
All our positions are open to people with disabilities.