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As a Senior Mechanical Design Engineer on our Electric Propulsion Team, you'll be at the forefront of solving complex challenges that directly impact the performance, safety, and evolution of Archer's cutting-edge electric aviation technology. This role serves as the bridge between electromagnetic theory and physical reality, applying advanced mechanical engineering principles to turn analytical models into robust, high-performance electric motors.
Job Responsibility:
Lead the detailed mechanical design of stator assemblies, ensuring structural integrity and thermal performance requirements are met
Develop comprehensive insulation systems that meet durability requirements for high voltage aviation applications
Design lightweight, robust rotor assemblies, managing high centrifugal forces and dynamic loads
Create and review CAD models, technical drawings, and specifications
Collaborate with the CAE team to perform Finite Element Analysis (FEA) to verify strength and fatigue requirements are met
Participate in development testing to ensure thermal predictions and durability requirements are met
Lead or participate in triaging and resolving critical issues discovered during the design/development cycle
Collaborate closely with the Electromagnetic team to translate their modeled designs into functioning, manufacturable parts
Partner with the Thermal team to support the development and validation of accurate thermal models
Coordinate with the Electric Propulsion design group to drive the mechanical integration of stator and rotor components into the main engine assembly
Partner with Manufacturing Engineering to implement DFM (Design for Manufacturing) feedback and ensure designs can be produced at scale
Work with Quality and Supply Chain teams to ensure components meet rigorous aviation standards
Requirements:
Bachelor’s or Master's Degree in Mechanical Engineering, Aerospace Engineering, or related field
Minimum of 7+ years of experience in the mechanical design of electric machines (motors/generators)
Deep understanding of electric motor construction, including lamination stacks, winding techniques, magnet retention, and insulation materials
Proficiency in 3D CAD modeling (NX preferred) and creation of detailed 2D drawings with GD&T
Strong knowledge of materials and manufacturing processes relevant to electric motors (e.g., VPI, potting, shrink fits, laser welding)
Experience with thermal management and structural analysis of rotating machinery
Familiarity with the physics of electric motor operation, including performance determinants and losses
Proven ability to organize and lead cross-functional technical initiatives
Excellent presentation and communication skills to influence decision-making
Capacity to translate complex technical concepts for diverse audiences
Availability for domestic travel as needed
Demonstrated commitment to safety and quality in engineering practices
Nice to have:
Aerospace development and certification experience (FAA/EASA)
Experience with high-speed rotor dynamics and balancing
Familiarity with FEA software packages (ANSYS, NASTRAN) for structural and thermal analysis
Self-motivated with exceptional attention to detail and ability to manage multiple priorities simultaneously