High Speed IO Validation Engineer
South Korean AI semiconductor and infrastructure company building inference accelerators, servers, racks, and software for production-scale AI deployment.
Funding history
Investors
About Rebellions
Rebellions develops purpose-built AI inference hardware and an accompanying software stack. Its current offerings include the Rebel100 accelerator and deployable RebelServer, RebelRack, and RebelPOD systems, designed for energy-efficient data-center inference.
Skills
Candidate Availability
Required and preferred rules are kept separate and reflect the wording in the original posting.
About the Role
You will bring up, characterize, and validate high-speed interfaces and clocking networks. You will conduct compliance testing, perform laboratory measurements and margin analysis, debug I/O failures with cross-functional partners, and document test results and validation status.
Requirements
- BS/MS in Electrical Engineering or equivalent practical experience
- 5+ years of hands-on experience in high-speed I/O validation, electrical characterization, and system debug
- Experience validating multi-Gbps SerDes and HBM or DDR interfaces
- Expert proficiency with oscilloscopes and vector network analyzers or time-domain reflectometers
- Knowledge of physical-layer architecture, CTLE, DFE, FFE, PCIe, CXL, and Ethernet
- Understanding of firmware and driver architecture and hardware-system interactions
Responsibilities
- Lead bring-up, electrical characterization, and functional validation of high-speed interfaces
- Conduct compliance and interoperability testing for industry-standard interfaces
- Perform lab measurements for jitter, eye-diagram, link-margin, and system-level margin analysis
- Debug complex I/O issues, identify root causes, and drive resolutions
- Create test plans, validation reports, and technical documentation
Hiring Process
Resume screening > online interview > onsite interview > culture-fit interview > compensation discussion > final offer