Triumph Group

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Principal Design Engineer - Power Electronics

Principal Design Engineer - Power Electronics

Requisition Number 
US-CT-West Hartford
# of Positions Remaining 
Position Type 
Full time
Experience (Years) 
Posted Date 
Engineering - All
Security Clearance Required? 

More information about this job


Triumph Engine Control Systems is a leading independent aerospace fuel system supplier for the commercial, military, helicopter and business jet markets. Based in West Hartford, CT, Triumph employs approximately 500 employees. The Company’s key products and services include electronic engine controls, fuel metering units and main fuel pumps for both the OE and aftermarket / spares end markets.
Our Power Electronics Design Engineers develop unique solutions that perform actuator controls, motor controls, environmental controls, electro-mechanical sensor interfacing, fuel/fluid regulation, digital communication, and input power conditioning. Additionally, these individuals possess a broad knowledge across many areas of Avionic Systems ranging from EMI, EMC and Lightning compliance, Environmental, Test and Systems Architecture, to name a few.
The Power Electronics Design Engineer will execute all technical aspects of a given program while ensuring that cost, schedule and company objectives are being met. 


  • Collaborate with other cross-functional team leads and engineers to plan and execute projects, ensure that teams have appropriate product and technical specifications, direction, and resources to deliver products effectively by establishing realistic estimates for timelines while ensuring that projects remain on target to meet deadlines.
  • Full life cycle engineering support of Airborne Electronic Hardware (AEH) in accordance with RTCA DO-254. In addition,
  • The candidate will work alongside fellow engineers across multiple disciplines, including Systems, Software, Mechanical & Packaging, Hydro-mechanical, Environmental, Project and Program Management.
  • Perform requirements development, allocation and compliance assessment
  • Generate block diagrams for various design concepts, system and circuit topologies
  • Perform preliminary and detailed analyses or simulations
  • Ensure overall compliance to TECS internal processes (e.g. NPI, Standard Work, Design Reviews)
  • Meet or exceed DFx, Design-To-Cost and Design-To-Weight targets
  • Support internal and external customer meetings
  • Perform Design Assurance and/or Qualification Testing
  • Support the transition of a program from development to production


  • MSEE required with coursework in power electronics, motors and motor drive technology
  • 15+ years of relevant Aerospace-Avionics design experience
  • At least 12 of those years in Power Electronics & Control System design
  • Experience with power electronics modeling and simulation tools (PLEX, SABER, System Vision)
  • Capable of safely working with high power electronics, power sources and test instrumentation.
  • Experience with various motor technologies (BLDC and PMAC).
  • Experience with the use of various analytical and layout tools
  • Generating test procedures
  • Writing technical reports, and working with lab equipment including meters, power supplies, oscilloscopes, logic analyzers and data acquisition systems are all required skills
    • Analysis Tools (Mathcad, MS Excel, Minitab, Matlab)
    • Simulation Tools (LTSpice, SABER, PLEX, System Vision, MathWorks/Simulink)
    • CAD Tools (Mentor Graphics suite: PADS, Hyperlynx, DxDesigner)
    • Documentation Tools (MS Word/PowerPoint, Visio, Adobe, Nuance)
    • Requirements & Configuration Management (Teamcenter, DOORs)
    • H/W Programming Languages (Labview, Visual Basic, eTPU micro-code)
    • FPGA/PLD devices (from Actel, Xilinx, Altera)
    • Knowledge of Test and Manufacturing processes in an aerospace electronics environment.
    • Knowledge of DO-160 and MIL-STD 461 requirements for aerospace electronics.
    • High power AC (3-PH, variable frequency input, 120/208/440VAC) design and development
    • High power DC input motor drive (≤ 25 kW) design and development
    • Active three phase Power Factor Correction design and development
    • High power EMI/EMC filter design and development
    • High power Boost Converter design and development
    • High voltage DC Inverter design and development
    • Texas Instruments TMS320F28335 (motor controller) DSP hardware and C software design and development for variable speed drives incorporating vectored sensor and sensor less motor drive algorithms
  • Experience and knowledge of high power rotating machinery (compressors, fans and pumps).
  • Knowledge and experience with environmental control systems is a plus.
  • Excellent technical, analytical and problem solving skills
  • Excellent communications skills.
  • Be comfortable communicating with internal and external customers
  • Be able to work independently or on cross functional teams and possess good interpersonal/team skills
  • Rectifier and Inverter designs using discrete and COTS IGBT technology.


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