Sr. Mechanical Design Engineer, Powertrain Integration

Rise above. Are you ready to take human possibility to a new dimension with us?Supernal is an Advanced Air Mobility (AAM) company that’s developing an electric vertical take-off and landing (eVTOL) vehicle and the ground-to-air ecosystem to support the emerging industry.

By creating a sustainable, integrated, and human-centered ecosystem, we are committed to taking a thoughtful and responsible approach to entering the AAM market with a product that meets the high level of safety and reliability in today’s air transportation system.The future of mobility starts with people. We believe in creative thinking and collaboration to help build a better mobility experience for everyone, improving people’s ability to move – whether for work or play. Join our dynamic team as we strive to be a part of something greater where potential powers tomorrow

Supernal provides an inviting open-space workplace designed to foster collaboration, which aligns with one of our core values. This position is required to work on-site 5 days a week.What we do:The Battery Pack Team is responsible for designing and prototyping high-voltage and high-power battery systems in electrified aircraft.

The electronics packaging engineer for battery pack design is critical to the Energy Storage System (ESS) development process, including conceptual designs, components selection, prototype builds, and launch designs for volume manufacture.The Sr. Mechanical Design Engineer, Battery Electronics Packaging, will design the mechanical aspects of electrical components and their packaging. The Electric Vertical Take-Off and Landing (EVTOL contains high-voltage printed circuit boards, flex circuits, cable harnesses, laminated bus bars, and sense circuits. The main responsibility of this role will be to plan and ensure the protection of these electronic components in the Supernal battery pack designs.What you can do:Drive mechanical design of electrical components, interconnects, and electromechanical subsystem designs from conceptual and requirements development through production

Select, prove, and implement the application of existing technologies to internal product development and develop new technologies to improve product metrics; for electromechanical components, this may include interconnects (solder bonds, welds, ribbon bonds, connectors, terminal lugs, spring fingers, etc.) and packaging interfaces (PCBA layup, flex layup, layout, vias, bolted mounts, heat stakes, over molding, snap fits, thermal interface materials, heat sink interfaces, harness insulation, shielding, strain relief, and cable management, etc)Provide technical expertise and mentorship to the team in electronics packaging and mechanical design of electronic components, such as wire harnesses, flexible printed circuit boards, connectors, laminated bus bars, and voltage, current, and temperature sense technologies

Define specifications pertaining to electronic components (dimensional and dielectric, functional, performance, reliability, survivability, component manufacturing, and interface manufacturing

Perform fundamental prototyping, testing, and analysis tasks and provide assistance for advanced analysis and validation testing

Identify the root cause of issues in prototype, validation, and production stages and help in finding solutions for them

Communicate work progress to department leadership through written and live updates, representing both individual and team efforts

Collaborate with teams at Supernal sites and meet with suppliers for technology development, process validation, and issue resolution

Build relationships with critical multi-functional teams in electrical design, testing, safety, abuse, manufacturing, systems, certification, and airframes

Partner with PMO organization to implement build plan

Up to 10% of domestic and international travel

Other duties as assigned

What you can contribute:Bachelor’s degree in mechanical engineering or relevant engineering field required; Dual degrees in mechanical and electrical engineering preferred

Minimum of five (5) years of experience in electromechanical component and subsystem design (an equivalent combination of education and experience may be considered)Experience designing electronic components: wire harnesses, connectors, flex printed circuit boards, laminated bus bars, voltage, current, and temperature sense circuits

Experience designing for volume assembly, including manual and automated processes

Ability to package electronics to achieve mass, thermal performance, sealing requirements, electrical grounding behavior, mechanical durability

Knowledge of mechanical design fundamentals, electronic component materials, metallurgy, plating, interconnects, composites, harnesses, connectors, construction, thermal interface materials, dielectric materials, sealing methods

Ability to translate product requirements into system and subsystem requirements

Ability to translate subsystem requirements to part requirements and develop test plans to validate requirement achievement

Proficiency in CATIA or similar 3D modeling system and at least one battery system modeling/simulation tool suite

Excellent verbal and written communication skills

Proactive delivery of communication and follow upExcellent organizational skills and attention to detail

Must have the ability to independently prioritize and accomplish work within time constraints

Proficiency with Excel VLOOKUP, pivot tables, MS Office SuiteYou may also be able to contribute:Experience in battery component design preferred

Experience in aerospace preferred

Experience in Altium or equivalent electronic design system preferred

Base pay offered may vary depending on skills, experience, job-related knowledge and location. This position is also eligible for a bonus as part of total compensation.The pay range for this position is: $180,100—$218,300 USDClick HERE or visit: to view our benefits

Any offer of employment is conditioned upon the successful completion of a background check. We are an equal opportunity employer and value diversity at our company.

We do not discriminate on the basis of race, religion, color, national origin, citizenship, sex, gender, gender expression, sexual orientation, age, marital status, veteran status, disability status or any other category or class protected under applicable federal, state or local law. Individuals with disabilities may request a reasonable accommodation to participate in the job application or interview process, to perform essential job functions, and to receive other benefits and privileges of employment. Please contact us to request accommodation at: ta-supportsupernal.aeroThis position may include access to certain technology and/or software source code subject to U.S. export controls laws and regulations. If an export authorization from an applicable US regulatory agency is required in connection with your employment, your employment is contingent upon Supernal’s receipt of such regulatory authorization(s) and your continued compliance with all conditions and limitations pursuant to such authorization(s).