Signal Integrity Engineer 1
Upscale AI
Signal Integrity Engineer 1
Upscale AI
High-performance AI networking hardware and software
Salary Range: 117000 to 129000 (Currency: USD) (Pay period: per-year-salary)
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.
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 [email protected]—we’re happy to help. Note: This inbox is only for accommodation requests.
High-performance AI networking hardware and software
Upscale AI builds a full-stack, high-performance AI networking platform to scale up GPU compute. It designs purpose-built silicon chips and a software orchestration layer that connects thousands of GPUs into a single, unified compute engine. The system is optimized for the heavy data movement and bursty traffic of large language model training and inference, enabling fast, scalable AI workloads. Unlike traditional, vendor-driven networking stacks, Upscale AI offers open-standard networking powered by silicon and software, and participates in consortia like UEC and SONiC to ensure interoperability across different hardware environments. Its customers include global hyperscalers, AI-first enterprises, and sovereign cloud providers who need large-scale, interoperable AI clusters without lock-in. The company’s goal is to democratize AI infrastructure by delivering high-performance, open-standard solutions that let organizations build and operate massive AI clusters more efficiently.
Explore more opportunities at Upscale AI