Sr. Firmware Engineer (Embedded Developer)

Dormakaba Group is seeking a Senior Firmware Engineer (Embedded Developer) to join on-site in Indianapolis, Indiana. The role focuses on designing, developing, and maintaining embedded firmware for electronic locks and access-management systems, while guiding technical execution across firmware architecture, device drivers, protocols, reliability, and automated testing and CI in collaboration with hardware, software, manufacturing, and QA teams.

Responsibilities

• Own firmware architecture and implementation across multiple releases, including HAL and device drivers, peripheral integrations, and device interfaces and protocols such as UART, I2C, and SPI, with RFID/BLE support where applicable.
• Develop and maintain firmware using modern embedded platforms and RTOS environments, emphasizing Zephyr RTOS, and optimize for low-power operation and performance on constrained devices.
• Build and maintain an embedded test framework (unit, integration, and hardware-in-the-loop as applicable) and CI/CD pipelines for automated builds, tests, static checks, artifacts, and repeatable releases. Collaborate with hardware, QA, and manufacturing on bring-up, validation, and production test hooks, and address sustaining and field issues through thorough root-cause analysis, while mentoring teammates through design reviews and best practices.
• Support product launches and lifecycle management, including customer-site visits, root-cause analysis, issue validation and replication, and the development and release of fixes.

Requirements

• Bachelor’s degree in engineering, computer science, or a related technical discipline.
• 10+ years of embedded firmware development experience with strong C programming skills.
• Experience with ARM Cortex-M class microcontrollers and at least one RTOS.
• Familiarity with serial communication protocols such as I2C, UART, and SPI.
• Strong embedded debugging and root-cause analysis capabilities spanning hardware and firmware.

Technologies

• Zephyr RTOS, FreeRTOS, STM32 ecosystem
• Linux application-level development
• Jenkins, Bitbucket, Bitbucket Pipelines
• Over-the-Air (OTA) update mechanisms, bootloader design
• RFID, BLE; ARM Cortex-M, UART, I2C, SPI

Benefits

• Medical, dental, vision, life and disability insurance
• Medical wellness programs
• Vacation and personal time off
• Parental leave
• 401(k) matching
• Tuition reimbursement and Learn and Grow program
• LinkedIn Learning courses and Employee Assistance Programs
• Voluntary legal insurance and referral reward bonuses
• Corporate discounts for shopping, travel and more

Hiring Salary Range

Base Salary: $120,000 – $135,000 per year. Final compensation will be determined by education, experience, knowledge, skills, abilities, internal equity, and market data.

What We Prefer

• Experience with Jenkins pipelines and Bitbucket workflows, including Bitbucket Pipelines and Bitbucket-hosted Git
• Familiarity with STM32 ecosystem, FreeRTOS and/or Zephyr
• Bootloader design and OTA update mechanisms
• RFID/BLE experience with an understanding of crypto and security concepts
• Experience with Linux development at the application level