Startups · AI

Senior Staff Engineer - Platform

Upscale AI · US - Headquarters · On-site

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About Upscale AI

Upscale builds next-generation AI network infrastructure with scalable systems, intelligent automation, and seamless connectivity.

About the role

Platform software Design and Development: Architect and develop Linux BSP, platform drivers, and user-space services for SONiC (x86), FBOSS (x86), and OpenBMC (ARM) platforms—covering kernel/device-tree configuration, bootloader integration, DMTF-based manageability (MCTP, PLDM, Redfish), and peripheral drivers (I2C, SPI, PCIe, GPIO). Design embedded diagnostic firmware in C/C++ for hardware bring-up, manufacturing validation, and health monitoring.

What they're looking for

  • Strong analysis and hands-on troubleshooting on complex HW/SW systems
  • Proven testing and validation of hardware and software for performance and reliability
  • Strong proficiency in C/C++ for embedded and systems-level development, Python and Bash for automation, scripting, and tooling
  • EE background: circuit design and system integration
  • Clear written and verbal communication across disciplines
  • Strong understanding of hardware interfaces and protocols: I2C, SPI, PCIe, UART, GPIO, MDIO, JTAG. Diagnostic tools and methodologies (plus)
More about this role

Upscale, Inc., 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 is where you can produce meaningful work at the frontier—and operate at a high standard.

Position Overview

This is a full-time, on-site role for a Senior Staff Platform Engineer located in Santa Clara, CA. The engineer will own end-to-end platform software development—spanning Board Support Packages (BSP), network operating systems (SONiC, FBOSS), baseboard management controller firmware (OpenBMC), and hardware diagnostic software for both platform-level and ASIC-level validation. The ideal...

Read the full posting on Upscale AI's site ↗

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