Embedded Software Engineer

Russell Tobin; Indianapolis (IN); On-site; USD 95,000 - 100,000; Full time

Benefits offered by this job

Healthcare coverage

401(k) retirement savings

Life & disability insurance

Employee discounts

Job summary

Russell Tobin is seeking an Embedded Software Engineer for an onsite, 1-year contract in Indianapolis, IN. The role focuses on designing, developing, debugging, and maintaining embedded firmware for hardware-based systems, closely coordinating with hardware engineering teams to ensure performance and reliability.

Requirements include hands-on Embedded C, bare-metal/RTOS development, ARM Cortex-M microcontrollers, and strong debugging skills. Knowledge of Z-Wave or wireless protocols is a plus.

Qualifications

• Experience with embedded firmware in C for hardware systems.
• Hands-on with bare-metal and RTOS-based development.
• Experience on ARM Cortex-M microcontrollers.
• Familiar with DMA, timers, UART, SPI, I2C, GPIO and related peripherals.
• Bootloader development and firmware update mechanisms.
• Proficient in debugging with J-Link, SWD and GDB.
• Focus on low-power firmware design and optimization.

Responsibilities

• Design, develop, debug and maintain embedded firmware for hardware-based systems.
• Collaborate with hardware engineering teams to ensure seamless integration, reliability, and performance.

Skills

Embedded C

Bare-metal/RTOS

ARM Cortex-M

DMA & peripherals

Bootloader development

Debugging with J-Link

Low-power firmware

Tools

Silicon Labs Simplicity Studio

Gecko SDK

Zniffer packet analysis

PTI packet tracing

Job description

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.

#RTA

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