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Upscale, Inc.

Signal Integrity Engineer I

Santa Clara, California, United States

Location
Santa Clara, California, United States
Work
On-site
Employment
Full-time
Level
Entry level
Function
Engineering
Pay
$117K – $129K a year
Posted
4 months ago

About the role

Why join Upscale, Inc.

Upscale, Inc., is building the high-performance infrastructure powering the next generation of artificial intelligence. Backed by over $500M 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 is where you can produce meaningful work at the frontier—and operate at a high standard.

Position Summary

We are looking for a motivated Junior Signal Integrity Engineer to join our Hardware Engineering team. The candidate will support Signal Integrity (SI) and Power Integrity (PI) analysis for high-speed PCB designs used in networking, AI, data center, and compute platforms. This role offers an excellent opportunity to work alongside experienced SI engineers while developing expertise in high-speed system design, simulation, measurement, and debugging.

Responsibilities

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.

Preferred Qualifications

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.

Excellent communication and teamwork abilities.

Nice to Have

Experience with 56G/112G/224G SerDes systems.

Knowledge of PCIe, Ethernet, UCIe, DDR interfaces

Where you fall within that range depends on your experience, skills, and impact—we benchmark against internal levels to keep things fair and consistent.

Equal Opportunity

Upscale, Inc., is building a team that reflects a wide range of perspectives, backgrounds, and experiences. We’re proud to be an Equal Opportunity Employer and consider all qualified applicants regardless of race, color, religion, national origin, sex, sexual orientation, gender identity, disability, or veteran status.

Accessibility & Accommodations

We’re committed to making our hiring process accessible to everyone. If you need accommodations at any stage, just reach out to us at hiring@upscaleai.com—we’re happy to help. Note: This inbox is only for accommodation requests.

Source

Posted by Upscale, Inc. on their own hiring page, jobs.lever.co. OptiTalent shows it as published, read 07 Nov 2026 02:51 UTC; the original is the reference.

View the original ad ↗

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