Hardware Post-Silicon Validation Engineer; Hybrid
Job in
San Jose, Santa Clara County, California, 95112, USA
Listed on 2026-08-28
Listing for:
Cisco
Full Time
position Listed on 2026-08-28
Job specializations:
-
Engineering
Test Engineer, Hardware Engineer, Electronics Engineer, Validation Engineer
Job Description & How to Apply Below
Hardware Post-Silicon Validation Engineer
We are seeking a Hardware Post-Silicon Validation Engineer with experience in lab-intensive hardware validation to test and debug of high-performance networking silicon. This role is heavily focused on hands-on work in silicon validation labs, driving early-silicon bring-up, performing advanced electrical and protocol measurements, and owning end-to-end root-cause analysis of silicon, package, and board-level issues. The position offers technical ownership, cross-functional influence, and exposure to complex networking ASICs and high-speed interfaces.
- Work on early-silicon bring-up activities from first power-on through feature enablement
- Define, execute, and refine detailed hardware validation plans covering functionality characterization, performance, and reliability
- Drive validation readiness, lab infrastructure setup, and test coverage strategy
- Support power-on sequencing, reset strategy validation, clock bring-up, and strap configuration
- Perform in-depth voltage, current, power integrity (PDN), and signal integrity analysis
- Capture, analyze, and interpret waveforms, eye diagrams, jitter, BER, PDN measurements, power supply stability and noise.
- Independently isolate and root-cause silicon, package, board, or signal integrity issues
- Work on validation of Ethernet MAC/PHY and high-speed interfaces such as PCIe and Ser Des
- Responsible for packet-level validation using traffic generators and protocol analyzers
- Validate system-level behavior under real-world networking workloads
- Advanced-level operation of oscilloscopes, logic analyzers, VNAs, protocol analyzers, BERTs, and multimeters
- Develop and maintain lab automation using scripts and frameworks (e.g., Python)
- Plan and execute thermal testing using chambers and chillers across operating ranges
- Bachelor's degree in Electrical Engineering, Computer Engineering, or related field and 4+ years of experience in post-silicon electrical validation, hardware bring-up and lab-based silicon debug, or Master's degree in Electrical Engineering, Computer Engineering, or related field and 2+ years of experience in post-silicon electrical validation, hardware bring-up and lab-based silicon debug, or PhD in Electrical Engineering, Computer Engineering, or related field and 0+ years of experience in post-silicon electrical validation, hardware bring-up and lab-based silicon debug.
- Experience in electronics, digital logic, signal integrity, and power integrity
- Experience in high-speed measurement techniques (eye diagrams, BER, jitter, compliance testing)
- Experience with interfaces such as DDR5, USB 3.x, SGMII, PCIe, USB
2.0, eMMC, SPI, MDIO, I2C, and UART - Experience with Reading and Reviewing schematics and layout files for complex boards
- Experience working independently, lead, plan and execute lab-based debug efforts
- Hands-on experience with silicon bring-up and post-silicon validation labs
- Experience validating Ethernet, PCIe, and Ser Des interfaces
- Scripting skills for lab automation and data analysis (Python preferred)
- Understanding of networking fundamentals and packet-based systems
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