Embedded Firmware Engineer
LifeSafer, Inc.
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Benefits offered by this job
Job summary
SCRAM Systems is seeking an experienced Embedded Firmware Engineer to design, develop, and optimize low-level software for advanced embedded systems. Expect bare-metal through RTOS work and close hardware interaction to deliver high-performance, low-power solutions.
The candidate should have strong experience with embedded Linux, Zephyr, device drivers, and hardware/firmware integration. Join a team delivering scalable monitoring solutions and contribute across the firmware stack.
Qualifications
- Bachelor’s or Master’s degree in a relevant field.
- 3+ years of embedded firmware development experience.
- Strong proficiency in C/C++.
- Experience with embedded Linux, Zephyr RTOS, and bare-metal development.
- Experience writing hardware device drivers.
- Understanding of SPI, I2C, UART, CAN, USB, Ethernet.
Responsibilities
- Design, develop, and maintain embedded firmware for microcontrollers and SoCs.
- Develop and debug firmware on bare-metal and RTOS platforms (e.g., Zephyr).
- Work with embedded Linux kernels and user-space applications.
- Implement and optimize hardware drivers (I2C, SPI, UART, GPIO, ADC/DAC, PCIe).
- Design 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.
Skills
Education
Tools
Job description
- Pay Range Includes Base; Commissions; Bonus :No
- Salary : $120k USD Annually - 140k USD Annually
Company Overview:
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 LifeSafer ® L250 Ignition Interlock device, and LifeSafer Intelligence Speed Assistance. We provide an integrated approach to supporting our customers by offering solutionsspecific 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.
Job Summary:
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.
Duties/Responsibilities:
- Design, develop, and maintain embedded firmware for microcontrollers and SoCs
- 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
Skills/Abilities:
- 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
Education and Experience:
- 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
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.
- Retirement Savings:
- 401(k): We offer a 401(k)-retirement savings plan to help you plan for your future financial security.
- 401(k) Matching: SCRAM provides a 100% match for the first 3% contributed and another 50% match for the next 2% contributed, amplifying your savings potential.
- Health and Wellness:
- Health Insurance: We provide comprehensive health insurance coverage to safeguard your health and that of your family.
- Dental Insurance: Our dental insurance plan ensures access to quality dental care for you and your dependents.
- Vision Insurance: Take care of your vision health with our vision insurance coverage.
- Health Savings Account (HSA): Our HSA option allows you to save pre‑tax dollars for medical expenses, providing flexibility and savings opportunities. We strongly valuesaving for your wellness, so the company provides an employer contribution towards your HSA annually.
- Flexible Spending Account (FSA): With our FSA, you can set aside pre‑tax dollars to cover eligible medical expenses not covered by your health insurance plan. You canalso save pre-tax dollars to help cover the cost of child care with our Dependent Care FSA.
- Disability Insurance: We offer company paid short and long term disability insurance to provide financial protection in the event of injury or illness that prevents you from working.
- Life Insurance: Ensure the financial security of your loved ones with our company paid life insurance coverage at 1.5x your annual salary. Want more coverage – supplementallife is also available.
- Work-Life Balance:
- Paid Time Off: We understand the importance of work‑life balance. That's why we provide generous paid time off, allowing you to recharge and enjoy life outside of work.
- Paid Sick Time: Your health matters to us. We offer paid sick time to support you during times of illness.
- Employee Assistance Program (EAP): Our EAP offers free confidential counseling and support services to help you navigate personal or professional challenges.
- Referral Program: We believe in the power of teamwork and collaboration. Our referral program rewards you for referring talented individuals to join our team.
- Tuition Reimbursement Program: We support the professional growth of all employees, but understand that going back to school is expensive. We offer tuitionreimbursement up to the IRS limit annually to help our employees flourish.
At SCRAM, we are committed to empowering our employees to thrive both personally and professionally. Join us and take advantage of our comprehensive benefits package as you embarkon a rewarding career journey with us.
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