Embedded Firmware Engineer

• Pay Range Includes Base;
  Commissions;
  Bonus :No
• Salary : $120k USD Annually - 140k USD Annually

SCRAM Systems is a leading provider of alcohol and location monitoring hardware, software, and mobile apps, including the SCRAM Continuous Alcohol Monitoring ® (SCRAM CAM ® ) bracelet, the Life Safer ® L250 Ignition Interlock device, and Life Safer Intelligence Speed Assistance. We provide an integrated approach to supporting our customers by offering solutions specific to court and agency needs in the community corrections industry throughout all phases of client management.

As a company, we are committed to continuing our tradition of re‑engineering operations to streamline processes, enhance productivity, and improve client outcomes through constant innovation. Our purpose is to change lives, reunite families, and make our communities safer through advanced technology and world‑class service.

We are seeking a highly skilled Embedded Firmware Engineer to design, develop, and optimize low‑level software for advanced embedded systems. This role involves working across the full firmware stack—from bare‑metal development to RTOS‑based wireless systems—while interfacing closely with hardware to deliver high‑performance, low‑power solutions. The ideal candidate has strong experience in embedded Linux, Zephyr, device drivers, and hardware/firmware integration.

• Design, develop, and maintain embedded firmware for microcontrollers and So Cs
• Develop and debug firmware on bare‑metal and RTOS platforms (e.g., Zephyr)
• Work with embedded Linux systems, including kernel configuration and user‑space applications
• Implement and optimize hardware drivers (I2C, SPI, UART, GPIO, ADC/DAC, PCIe, etc.)
• Develop and validate hardware/firmware interfaces and bring‑up new hardware platforms
• Design and implement low‑power management strategies
• Collaborate with hardware, systems, and software teams
• Perform board bring‑up, debugging, and system validation
• Troubleshoot system‑level issues
• Contribute to architecture decisions and documentation

• Experience with low‑power embedded system design preferred
• Familiarity with bootloaders, secure firmware development, and over‑the‑air (OTA) update processes preferred
• Experience with embedded Linux build systems such as Yocto and/or Buildroot preferred
• Proficiency in Python or other scripting languages for automation and development support preferred
• Knowledge of wireless communication technologies, including BLE, Wi‑Fi, and Cellular connectivity preferred
• Understanding of applicable safety and cybersecurity standards preferred
• Demonstrated strong analytical and problem‑solving skills
• Ability to collaborate effectively within cross‑functional teams
• High level of attention to detail and commitment to quality
• Self‑motivated with the ability to manage priorities independently
• Strong verbal and written communication skills

• Bachelor’s or Master’s degree in relevant field
• 3+ years of experience in embedded firmware development
• Strong proficiency in C/C++
• Experience with embedded Linux, Zephyr RTOS, and bare‑metal development
• Experience writing hardware device drivers
• Understanding of microcontroller and processor architectures
• Familiarity with SPI, I2C, UART, CAN, USB, Ethernet
• Experience with Git and debugging tools
• Experience in design and optimizing of low‑level C/C++ embedded software for GNSS/GPS tracking systems

• Retirement Savings: 401(k) retirement savings plan with 100% match for the first 3% and a 50% match for the next 2%
• Health and Wellness: Comprehensive health insurance coverage, dental insurance, vision insurance, Health Savings Account (HSA) with employer contributions, Flexible Spending Account (FSA)
• Disability Insurance: Company‑paid short and long term disability insurance
• Life Insurance: Company paid life insurance at 1.5x annual salary with additional coverage options
• Work‑Life Balance: Paid time off, paid sick time, Employee Assistance Program (EAP)
• Referral Program: Rewards for referring talent
• Tuition Reimbursement Program: Up to IRS limit annually

All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or veteran status.