Signal Integrity Engineer I

Job overview

The Signal Integrity Engineer I role is onsite in Washington, DC, and pays $117,000–$129,000 per year. Upscale, Inc. is building high-performance infrastructure for demanding artificial intelligence workloads. The engineer supports signal and power integrity analysis for high-speed printed circuit board designs used in networking, AI, data center, and compute platforms. The role contributes simulation, measurement, debugging, and design recommendations alongside hardware, PCB, package, and silicon teams.

What you'll do

• Support SI/PI analysis for high-speed PCB designs
• assist with channel modeling, simulation, and optimization
• perform signal-quality measurements
• support stackup and routing reviews
• analyze transmission lines, vias, connectors, cables, and package-to-board interfaces
• compare simulations with lab measurements
• document results and recommendations
• assist with root-cause analysis and debugging.

What we're looking for

Skills & competencies

signal integrity engineer i

electrical engineering

signal integrity

power integrity

high-speed pcb

ai infrastructure

washington dc

upscale inc.

$117k–$129k

channel modeling

lab measurements

Work arrangement

• Weekend coverage required

Why this role

The posting describes a junior-level opportunity for candidates with 0–3 years of relevant experience and a preferred BS or MS in electrical engineering or a related field. Exposure to simulation tools and laboratory instruments is preferred; experience with 56G/112G/224G SerDes and PCIe, Ethernet, UCIe, or DDR is a plus.

About the employer

Upscale, Inc. is hiring for this role. Industry: Engineering Services. Sector: 54.