Signal Integrity Engineer I

Upscale AI is building the high-performance infrastructure powering the next generation of artificial intelligence.

Backed by over $300M in funding and rapid global adoption, we are scaling systems designed for the world’s most demanding AI workloads.

We focus on first-principles engineering across silicon, systems, and networking—where performance, scale, and execution are critical.

Our team is talent-dense and high-performing.

We value ownership, technical rigor, and speed, and we offer the opportunity to work on foundational problems with immediate, real-world impact.

If you’re looking to do high-impact work, move fast, and help define the infrastructure behind the future of AI—Upscale AI is where you can produce meaningful work at the frontier—and operate at a high standard.

Support SI/PI analysis for high-speed PCB designs from architecture through product validation.

Assist with channel modeling, simulation, and optimization for high-speed interfaces.

Perform signal quality measurements using laboratory equipment.

Support PCB stackup reviews, routing reviews, and design guideline development.

Analyze transmission lines, vias, connectors, cables, and package-to-board interfaces.

Participate in correlation between simulation and laboratory measurements.

Work closely with PCB designers, hardware engineers, package engineers, and silicon teams.

Document simulation results, measurements, and design recommendations.

Assist in root-cause analysis and debugging of signal integrity issues.

BS or MS in Electrical Engineering or related field. 0–3 years of experience in Signal Integrity, PCB Design, Hardware Design, or related areas.

Basic understanding of: - High-speed digital design - Transmission line theory - PCB stackups and routing - S-parameters and eye diagrams - SI and PI fundamentals

Exposure to one or more simulation tools such as: Cadence Clarity Cadence Sigrity Keysight ADS Ansys HFSS

Exposure to laboratory instruments such as: Vector Network Analyzer (VNA) TDR/TDT High-speed Oscilloscopes Strong analytical and problem-solving skills.