Product Architect – Motor Controller

Location: Indiana

About H55

H55isa leader inelectricpropulsion for aviation and thetechnologicalspin-off of Solar Impulse, the firstelectricaircrafttoflyaroundthe world.
We design and certify

Electric Propulsion Units(EPU), Energy Storage Systems(ESS), and High-Voltage (HV) componentsthatenable clean,safe, and efficient flight.

Supported by global investors, H55isexpandingitsengineeringcapabilities, production footprint, and North American operations.

Position Summary

The Product Architect (PA) for theMotor

Controller (MC) operateswithinH
55’sDesign

Organization(EASA Part-21J DOA) andisthetechnicalauthorityfor the complete

MCproductlife cycle—from architecturedefinitiontoindustrialization,testing, and certification.
The MCispart of aredundantdual-channel

EPU architecture (CH1/CH2) designedtoensureresilienceagainst

OCI (One-Channel-Inoperative) events andavoid

LOPC-E (Lossof Power Control –Electrical) ataircraftlevel.

The PA reports to theChief

Engineer(CE) andworkscloselywith

PMO,Supply Chain, Production, Test, and Compliance/Airworthiness teams.

Key Responsibilities Technical Leadership (TL) & Architecture Ownership

• Define, own, and maintain theMC product architecture, including HW, SW, control strategies, HV interfaces, safety mechanisms, and dual-channel topology.

• Makehigh-leveldesignchoices(HLD) ensuringcompliancewithH
  55processes, certification norms(CS-23, ARP
  4754A, ARP
  4761, DO-160), andtechnologystandards.

• Guide engineering teams(Power Electronics, Controls, FPGA/SW, Test) through the
  
  V-Cycle:requirements→ design →integration→ V&V → qualification.

Stakeholder Collaboration (X-FUNC)

• Collaborate with
  
  CEs, System Engineering,Hardware Engineering, Software Engineering,Mechanical Engineering Procurement ,Industrialization, manufacturingmangement, Production, and Qualitytoensurefull itemreadinessacrossdesign,procurement,assembly, and testing.

• Support Make/Buy analysis, supplier technical evaluation, andDfM/DfA/DfTactivities.

Program & Schedule Accountability (PM Interface)

• Ensurescheduleadherencefor all MCdevelopmentphasesincludingprototyping,testing, qualification, and certification.

• Provide inputs,risks,priorities, and technical
  
  KPIstoPMO,enabling efficient planning andresourceallocation.

Risk, Safety & Certification Alignment

• Classify and monitor
  
  Item-Level Risks (ILR) and lead mitigation plans.

• Ensure
  
  MC compliance with
  
  Safety
  
  Assessments(FTA, FMEA, FHA) and support certificationdeliverablesunderARP
  4754A/ARP
  4761.

Reviews, Rituals & Reporting

• Organize and lead
  
  Technical
  
  Reviews(PDR, CDR, TRR, QTP, QTR) andrecurringteamtouchpoints.

• Ensure proper configuration & change management (CM) through PRs/CRs, baselines, and traceability (Code Beamer, DOORS,Polarion, or equivalent).

Lifecycle Support (Ownership)

• Contribute fromearly design → prototypes → industrialization → production → testing → qualification → certification, including activities on experimentalaircraftwhenrequired.

• Support factory readiness, equipment qualification, and production ramp-up.

Required Qualifications

• Master’s or Bachelor’s in Electrical Engineering, Power Electronics, Controls, Mechatronics, Aerospace Engineering, or equivalent.

• 7+yearsexperiencein product development of power electronics, MCs, drives, inverters, or HV systems.

• Background inHV architecture (300–1000 VDC),motor control (FOC,redundancy management), protection mechanisms, and real-timeembeddedsystems.

• Experience inhighly regulated industries(Aerospace preferred; Automotive/EV/Defense acceptable,medical,...).

• Strong understanding of requirements engineering, system architecture, integration, V&V,DfM/DfA/DfT.

Preferred Technical Skills

• EASAPart-21J, DOA processes,certification and compliance.

• Knowledge of
  
  CS-23/CS-25,ASTM F3230,ARP
  4754A,ARP
  4761,DO-160,safety assessments.

• Experiencewithredundantarchitectures, fail-operational systems, andsafety-critical
  
  MC design.

• Familiarity with
  
  IGBT/MOSFET/SiC-based inverters, thermal management, EMI/EMC mitigation.

• Test planning (HIL, SIL,dyno), qualification testing, engineering reporting.

Soft Skills

• Strong communication, stakeholder management, and decision-making.

• Abilityto translatecomplextechnicalconceptsintoactionableplans.

• Organized,structured, and proactive inriskmitigation and prioritization.

• Team-orientedwiththeabilityt…