Electrical Wiring Design Engineer, Powertrain

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Job description

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 Electrical Wiring Design Engineer, Powertrain will lead the design and test of Powertrain propulsion system wiring. The Powertrain team is responsible for designing, integrating, qualifying, and certifying energy storage systems, high voltage distribution, electric motors, and power electronics. This role will work closely with Battery Technology, Airframe, Assembly & Integration, Vehicle Management Systems, Flight Controls, System Safety teams, and suppliers.

What you can do:

• Collaborate with the Powertrain and other Air Vehicle teams to develop electrical system requirements
• Translate requirements into system distribution architecture, layout, and design, including bonding and grounding
• Design and size cable bundles, wire harnesses, and wire routing to industry standards
• Select aerospace connectors and EMI cable shielding to ensure safety and system separation requirements are met
• Design to industry standards and using wiring design toolboxes within CATIA
• Develop 2D wiring schematics and 3D installation drawings
• Perform voltage drop analysis, thermal performance, and electrical loads analysis
• Work with the flight tech team to define efficiencies calculations and weight management
• Collaborate with suppliers to ensure successful program execution and compliance with requirements
• Participate in multi-functional working groups to identify optimal routing of power distribution cables.
• Hands-on abilities with harness build, validation, and troubleshooting

What you can contribute:

• Bachelor's degree in Electrical Engineering or Mechanical Engineering required; Master's degree preferred
• Minimum three (3) years of experience in engineering (an equivalent combination of education and experience may be considered)
• Experience with the full life cycle of aircraft electrical harness design, qualification, production, and product support
• Experience with vehicle checkout and testing
• Knowledge of Electrical Wiring Aerospace Standards
• Knowledge of Aircraft EMI / EMC design and testing
• Familiarity with FAA part 23/25/27/28 or other certification experience
• Knowledge of high-power, 800 VDC aviation distribution systems
• Ability to identify and communicate risks and drive issues to closure
• Experience in the EV automotive or electric aviation industry
• Familiarity with wiring and cable bundle thermal management installation considerations
• Experience designing electrical wiring for high-power, 600+ VDC distribution systems
• Experience working with regulatory agencies
• Experience working on vertical lift aircraft
• Familiarity with RTCA DO-160 and SAE AS50881
• 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 Excel VLOOKUP, pivot tables, MS Office Suite

You may also be able to contribute:

• Knowledge of the practical application of DO-160 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:
$108,923 - $126,127 USD

Click 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:

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).

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