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P Chappel Associates Inc

Senior Electrical Engineer – Analog/Digital

P Chappel Associates Inc, Phoenix, Arizona, United States

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Senior Electrical Engineer – Analog/Digital Qualifications B.S. in Electrical Engineering required; M.S. preferred. 7–10 years of experience in analog and digital circuit design, including A/D conversion, processors/microcontrollers, I/O and communications. Strong background in power electronics, including MOSFET, IGBT, SiC, and GaN devices. Experience with DC/DC converters and compliance with MIL-STD-1275/704, DO-160, and MIL-STD-461. Expertise in thermal, electrical stress, worst-case, tolerance, aging, FMEA, EMI, and radiation (SEU, TID) analyses. Proficient in PWB layout for high-power, high-voltage, and EMI-compliant designs. Knowledge of communication protocols: CAN, RS-232/422/485, SPI, JTAG, PCI/PCIe, and 1G/10G Ethernet. Experience with motor control, control theory, Z-domain analysis, Clark and Park transforms, and sensor interfaces (LVDT, resolvers, encoders). Proficiency with CAD and simulation tools such as LT-Spice, P-Spice, OrCAD, Allegro, and MATLAB/Simulink. Responsibilities Provide technical leadership across the full product lifecycle, from requirements and architecture through qualification, production, and sustainment. Perform innovative analog and digital hardware design, analysis, simulation, and verification for harsh-environment applications. Develop clear requirements, design documentation, and present designs at technical reviews. Optimize complex design tradeoffs involving performance, cost, schedule, and risk. Support manufacturing, suppliers, and legacy products through hands-on troubleshooting and analysis. Mentor engineers, contribute to proposals and cost estimates, and support technical hiring decisions.