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Sr Embedded Systems Engineer (High-Speed Electronics Design)

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Sigma Connectivity, Inc.

Redmond, WA (In Person)

Full-Time

Posted 1 week ago (Updated 1 day ago) • Actively hiring

Expires 7/24/2026

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Job Description

Located in Seattle, WA, we are a global design and product realization firm partnering with leading brands to deliver cutting-edge connected devices and IoT solutions at scale.

We're hiring a Senior Embedded Systems Engineer to own full system design and technical direction (PCB + firmware)-from architecture through bring-up and production.

Join a high-performing engineering team building next-generation products across consumer electronics and digital solutions. This is a hands-on, high-impact role focused on complex, mixed-signal embedded systems, where you'll drive development from concept to launch.

Why This RoleWork on complex real-world embedded systems, hardware, and firmwareOwn full lifecycle development: architecture > prototyping > productionCollaborate with cross-functional global teams (mechanical, manufacturing, firmware)Strong culture of innovation, autonomy, and work-life balanceWhat You'll DoArchitect and design embedded electronic systemsDevelop PCB/FPC designs (multilayer mixed-signal, high-speed)Build analog front-ends, sensor interfaces, and power systemsWrite embedded firmware in C/C++ (ARM, RTOS, Linux)Integrate I2C, SPI, UART, USB, BLELead bring-up, validation, and test automationPartner with manufacturing teams on DFM/DFR optimizationWhat You Bring7+ years in embedded systems and electronics designStrong expertise in PCB design (Altium or Cadence)Deep knowledge of analog, digital, and mixed-signal systemsExperience with HDI, signal/power integrity, and EMI considerationsProven firmware skills in embedded C/C++Hands-on debugging with lab equipment (oscilloscopes, logic analyzers)Nice to HaveExperience with flex/rigid-flex PCB designBackground in high-speed electronics or power systemsPython for automation and data analysisBenefitsCompetitive base salary and overall compensation packageFull benefits: Medical, Dental, Vision401 (K) with generous company matchGenerous Paid time off (PTO)Vacation, sick, and paid holidaysLife Insurance coverageOpportunity to work on cutting-edge technology projects