Embedded Firmware Engineer: Low‑Power, RTOS & Linux

LifeSafer, Inc.; Greenwood Village (CO); On-site; USD 120,000 - 140,000; Full time

Benefits offered by this job

401(k) matching

Health Insurance

Dental Insurance

Vision Insurance

Health Savings Account (HSA)

Flexible Spending Account (FSA)

Paid Time Off

Life Insurance

Disability Insurance

Tuition Reimbursement

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

Low-power design

Bootloaders & secure firmware

Yocto/Buildroot

Python scripting

BLE/Wi-Fi/Cellular

Cybersecurity basics

Analytical problem solving

Cross-functional collaboration

Attention to detail

Communication skills

Education

Bachelor’s or Master’s degree in a relevant field

Tools

Yocto

Buildroot

Git

Debugging tools

C/C++

CAN

Job description

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.