Senior Hardware Design/Sustaining Engineer

Kforce has a client that is seeking a Senior Hardware Design/Sustaining Engineer for a 100% Onsite role in Phoenix, AZ. Overview: 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
• Bachelor's in Electrical, Computer, or similar engineering discipline
• 8-12+ years in high-speed digital and mixed-signal circuit design/debug
• Strong experience with DDR, LVDS, Ethernet, USB, SATA, PCI/PCIe, SFP+
• Solid understanding of embedded architectures (CPU, memory, SERDES, I/O buses)
• Proven debugging skills at board and component level
• Ability to read schematics, layouts, and BOMs
• Experience with JTAG, I2C, SPI tools
• Strong communication and cross-functional collaboration skills
• Applicants selected will be subject to a government security investigation and must meet eligibility requirements for access to classified information

• Experience with UHF RF systems (amplifiers, mixers, filters, impedance matching)
• Background in sustainment, repair, or product recovery environments

• 100% onsite in Phoenix
• Up to 10% travel