Sr. Electrical / Mechanical Engineer, Powertrain Packaging - Supernal

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 Powertrain System is responsible for designing, prototyping and integrating the high-voltage components and cables, and high-voltage systems in electrified aircrafts. The Sr. Electrical / Mechanical Engineer, Powertrain Packaging is critical to the powertrain system development, including conceptual designs, packaging of electrical components and HV cables, prototype electrical components, and launch designs for volume manufacture.  

• Drive electrical and mechanical design of electrical components, interconnects, and electromechanical subsystem designs from conceptual and requirements development through production


• Package high-voltage electrical cables in an aircraft environment


• Select, prove, and implement the application of existing technologies to internal product development and develop new technologies to improve product metrics; for electromechanical components & high voltage cables, this may include interconnects (connectors, cables, terminal lugs, spring fingers, etc.) and packaging interfaces (harness insulation, shielding, strain relief, and cable routing, etc.)


• Provide technical expertise and mentorship to the team in electronics packaging and electrical mechanical design of electronic components, such as wire harnesses, flexible printed circuit boards, connectors, bus bars, and advanced 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 aid with advanced analysis and validation testing


• Identify the root cause of issues in prototype, validation, and production stages and find solutions


• 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


• Work with our supplier(s) on releasing components, resolving issues, and ensuring production


• Partner with PMO organization to implement build plan


• Up to 10% of domestic and international travel


• Other duties as assigned 

• Bachelor’s degree in mechanical engineering or relevant engineering field required; Degrees in both mechanical and electrical engineering preferred


• Minimum of five (5) years of experience in mechanical packaging, electrical component, harnesses, and subsystem mechanical design (an equivalent combination of education and experience may be considered)


• Experience designing electronic components: wire harnesses, cable, BUS Bar, connectors, flex printed circuit boards, shielding, twisting, etc.


• 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 up


• Excellent organizational skills and attention to detail


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


• Proficiency with MS Office Suite 

• Experience in HV system & HV battery component design preferred 


• Experience in Simens Capital SW and aerospace 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 USD

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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:

This 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).