Our Client is seeking a Senior Hardware Design/Sustaining Engineer .An engineering technology company in Phoenix is seeking a Senior Hardware Design Engineer. This is a direct-hire role with high visibility to the hiring manager. This role focuses on debug, analysis, and recovery of complex communication system boards, including high-speed digital, mixed-signal, and UHF RF designs. The engineer will drive root cause analysis at system and component level, support board recovery, and help extend product lifecycle.

Key Responsibilities:

• Troubleshoot complex boards with FPGAs, CPLDs, MCUs, DSPs, CPUs, DDR, SATA, eMMC
• Analyze mixed-signal, analog, RF, and power circuits (SMPS, LDOs, filters, amplifiers, oscillators)
• Diagnose UHF RF and embedded communication systems
• Use lab tools (oscilloscopes, spectrum analyzers, RF meters, JTAG/I2C, custom test setups) to isolate failures
• Partner with engineering, manufacturing, and test teams on debug, validation, and recovery
• Develop documentation and support test strategy and lifecycle sustainment
• Assist with EOL component replacement and provide technical guidance on improvements
• This position involves a lot of sustaining with some redesign of already existing systems