Embedded Software Engineer

Embedded Software Engineer

Contract (1 Year + Possible extension or FTE)

Indianapolis, IN (Onsite)

Pay Rate- $68.97- 72.94 an hour on W2

Job Description

The Embedded Software Engineer will design, develop, debug, and maintain embedded firmware for hardware-based systems, working closely with hardware engineering teams to ensure seamless integration, reliability, and performance.

Key Technical Requirements (Mandatory)

• Strong hands-on experience with Embedded C.
• Experience with bare-metal and RTOS-based firmware development.
• ARM Cortex-M microcontrollers and interrupt-driven architectures.
• Hands-on experience with DMA, timers, watchdogs, GPIO, UART, SPI, and I2C.
• Bootloader development and firmware update mechanisms.
• Debugging using J-Link, SWD, and GDB.
• Low-power firmware design and optimization.

Wireless Protocol Expertise (Strongly Preferred)

• Experience with Z-Wave, proprietary sub-GHz protocols, and mesh networking.
• Low-power wireless sensor networks and RF coexistence.
• Wireless OTA firmware updates.
• Familiarity with Z-Wave 700/800 series, SmartStart, and S2 security.

Security Skills (Preferred)

• Secure boot, firmware signing, and key provisioning.
• Encrypted OTA updates and secure pairing/authentication.
• Replay protection and secure credential storage.

Development Tools & Additional Skills (Good to Have)

• Silicon Labs Simplicity Studio and Gecko SDK.
• Silicon Labs wireless stack APIs.
• Zniffer packet analysis and PTI packet tracing.
• Modular firmware architecture, state-machine design, and event-driven systems.
• Hardware abstraction layers (HAL).
• Git workflows, firmware CI/CD, and automated testing.
• Strong technical documentation practices.

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