Electrical Design Engineer (Li-ion Battery Management Systems)

Mid-Continent Instruments and Avionics•Wichita, KS

2d•Onsite

About The Position

As an Electrical Design Engineer, you will design battery management systems (BMS) for lithium-ion aviation batteries, with an emphasis on digital control, and analog and mixed-signal hardware. Experience the entire product lifecycle, from concept and requirements, through design, implementation, testing and certification, and field application. You can expect a variety of opportunities ranging from precision cell voltage, current, and temperature sensing, protection and isolation circuits, cell balancing, lithium battery management, and integration with aircraft power systems.

Requirements

Bachelor’s degree in electrical engineering
Minimum of 5 years of experience designing lithium battery management systems (BMS)
General analog design experience and have created schematics and PCBs containing analog and mixed-signal circuits
Experience designing cell sensing, protection, balancing, and isolation circuits for lithium battery packs
Proficient with Microsoft Office
Strong attention to detail
Organized, focused and results oriented
Problem-solver with critical thinking and prioritizing skills
Excellent verbal, written and interpersonal communication skills

Nice To Haves

Experience designing to environmental and EMI requirements such as RTCA DO-160 or MIL-STD-810/461
Experience with rechargeable lithium battery standards such as RTCA DO-311
Experience with LiFePO4 (lithium iron phosphate) chemistry
Experience with Design for Manufacture and Design for Test (DFM & DFT)

Responsibilities

Design analog and mixed-signal schematics for BMS hardware, including cell voltage/current/temperature sensing, balancing, protection, and isolation, while coordinating with dedicated resources for PCB layout
Support embedded software for BMS microcontrollers, including protection logic and monitoring functions
Prototype, bring up, and validate BMS hardware at cell, module, and pack level
Coordinate with other functional teams, including layout, mechanical, software, and certification engineers
Build and troubleshoot hardware, including soldering, operation of test equipment, and daily work in both office and test lab environments
Design hardware, embedded or PC-software tools to support product verification and manufacturing
Prototype and execute test programs to verify compliance with applicable performance, regulatory, and quality requirements
Create and document designs in required formats, including BOMs, ECOs, and work instructions