Senior Embedded Engineer - Medical IoT & Secure Firmware

Sigma Connectivity Poland; United States; Remote; USD 120,000 - 160,000; Full time

Job summary

Sigma Connectivity Poland is seeking a Senior Embedded Engineer to join a project building a battery-powered medical measurement device with secure cloud data transmission. The role emphasizes embedded system architecture, firmware integration, connectivity, and lab readiness for testing.

You will own key areas of embedded software, including cybersecurity, Secure Boot, and USB/BLE communication, while enabling continuous measurement synchronization between devices and cloud.

Qualifications

• Experience in embedded systems with RTOS.
• Experience with regulated embedded devices or medical devices is a plus.
• Ability to prepare embedded firmware for laboratory and product testing.

Responsibilities

• Design and evolve embedded software architecture.
• Integrate firmware components and stabilize system.
• Strengthen embedded cybersecurity and Secure Boot.
• Develop firmware upgrade over USB and BLE communication.
• Prepare firmware for lab tests and product readiness.
• Support system-level hardware bring-up and debugging using SWD.

Skills

Embedded architecture

RTOS development

Firmware integration

Cybersecurity

Secure Boot

USB High-Speed

BLE communication

Hardware bring-up

UART/USB

AI-assisted coding

Tools

NXP MCX N Series

Eclipse ThreadX BLE

USB development

SWD debugging

GitHub Copilot

Job description

Sigma Connectivity Poland is seeking a Senior Embedded Engineer to join a project building a battery-powered medical measurement device with secure cloud data transmission. The role emphasizes embedded system architecture, firmware integration, connectivity, and lab readiness for testing.

You will own key areas of embedded software, including cybersecurity, Secure Boot, and USB/BLE communication, while enabling continuous measurement synchronization between devices and cloud.