Senior Firmware Engineer

Job overview

The Senior Firmware Engineer role is onsite in Taunton, MA, with compensation of $64–$74 per hour. A Department of Defense Secret clearance is required at hire, and U.S. citizenship is mandatory. System One provides outsourced services and workforce solutions across North America. The engineer develops and validates embedded firmware for complex systems, translating requirements into reliable low-level software. The work supports product and systems teams through firmware design, optimization, and testing in collaboration with hardware engineers and architects.

What you'll do

• Design and implement bare-metal firmware in C for ARM Cortex-M and other microcontrollers
• develop drivers and low-level interfaces for SPI, I2C, UART, GPIO, ADC, PWM, and timer modules
• optimize performance, power use, and memory
• collaborate with hardware engineers, systems architects, and product teams
• and validate firmware using oscilloscopes, logic analyzers, debuggers, and embedded testing frameworks.

What we're looking for

Skills & competencies

senior firmware engineer

taunton ma

system one

embedded firmware

bare-metal c

arm cortex-m

microcontrollers

secret clearance required

u.s. citizenship required

$64–$74/hr

onsite

contract 2+ years

Work arrangement

• Weekend coverage required

Benefits & perks

• Eligible employees may have medical, dental, vision, spending accounts, life insurance, voluntary plans, and 401(k) participation.

Why this role

Secret clearance required at hire; U.S. citizenship required; the posting cites experience with autonomous undersea systems or similar complex projects.

About the employer

System One is hiring for this role. Industry: Engineering Services. Sector: 54.