Principal Firmware Architect

1 DexCom Inc; California (MO); Hybrid; USD 172,000 - 287,000; Full time

Benefits offered by this job

Comprehensive benefits program

Growth opportunities

Tuition reimbursement

Flex/remote work options

Job summary

Dexcom seeks a Principal Firmware Engineer to design and oversee embedded/firmware software architectures for iCGM products, balancing performance, reliability, and security with hardware constraints.

You will lead design decisions, collaborate with hardware teams, mentor engineers, and ensure compliance with FDA standards while delivering scalable, secure solutions worldwide. Travel 5-15% is expected; remote work with potential hybrid options is available.

Qualifications

• Bachelor’s degree in a technical discipline with 15+ years related experience, or a Master’s with 10+ years, or a PhD with 7+ years.
• Experience in embedded firmware design, testing, and debugging.
• Strong communication and leadership for mentoring teams.

Responsibilities

• Design, implement, and document embedded/firmware architectures.
• Collaborate with hardware teams for driver development and memory optimization.
• Lead and mentor engineering teams; conduct code reviews and set standards.
• Perform system-level performance analysis for reliability, security, and scalability.

Skills

Embedded systems

C/C++

RTOS

ARM Cortex

Driver development

System architecture

Education

Bachelor’s degree in a technical discipline

Master’s degree

PhD

Job description

The Company Dexcom Corporation (NASDAQ DXCM) is a pioneer and global leader in continuous glucose monitoring (CGM). Dexcom began as a small company with a big dream: To forever change how diabetes is managed. To unlock information and insights that drive better health outcomes. Here we are 25 years later, having pioneered an industry. And we're just getting started. We are broadening our vision beyond diabetes to empower people to take control of health. That means personalized, actionable insights aimed at solving important health challenges. To continue what we've started: Improving human health. We are driven by thousands of ambitious, passionate people worldwide who are willing to fight like warriors to earn the trust of our customers by listening, serving with integrity, thinking big, and being dependable. We've already changed millions of lives and we're ready to change millions more. Our future ambition is to become a leading consumer health technology company while continuing to develop solutions for serious health conditions. We'll get there by constantly reinventing unique biosensing-technology experiences. Though we've come a long way from our small company days, our dreams are bigger than ever. The opportunity to improve health on a global scale stands before us.

Meet the team:

The Principal Firmware Engineer will design, define, and oversee the high-level technical architecture of embedded/firmware software systems for the iCGM products, balancing performance, reliability, and security with hardware constraints. Will lead technical design decisions, define module interfaces, mentor engineering teams, and collaborate on system integration.

Where you come in:

• System Design & Architecture: Design, implement, and document technical specifications for embedded/firmware software architectures, tracing from requirements to manufacturing.
• Hardware Integration: Collaborate closely with hardware teams to ensure efficient software-hardware integration, including driver development, battery management, and memory optimization.
• Technical Leadership: Lead and mentor engineering teams and individuals, providing technical guidance, code reviews, and establishing coding standards.
• Performance Optimization: Conduct system-level performance analysis, troubleshooting, and optimization for reliability, security, and scalability.

Must have good communication skills (verbal & presentations) to present technical positions to different audiences (Engineers to Executives).

• Regulatory Compliance: Ensure software meets FDA standards, safety regulations, and security requirements.

What makes you successful:

• Substantial experience in embedded systems design, development, and debugging, with expertise in C/C++ and real-time operating systems (RTOS).
• A Deep understanding of microprocessor/microcontroller architecture (ARM Cortex, etc.), low-level peripheral drivers, and communication protocols (e.g., I2C, SPI, UART, BLE).
• A Strong proficiency in software architectural design patterns, modularity, and reusability.

What you’ll get:

• A front row seat to life changing CGM technology.
• Learn about our brave #dexcomwarriors community.
• A full and comprehensive benefits program.
• Growth opportunities on a global scale.
• Access to career development through in-house learning programs and/or qualified tuition reimbursement.
• An exciting and innovative, industry-leading organization committed to our employees, customers, and the communities we serve.

Travel Required

5-15%

Experience and Education Requirements

Typically requires a Bachelor’s degree in a technical discipline, and a minimum of 15+ years related experience or a Master’s degree and 10+ years equivalent industry experience or a PhD and 7+ years of experience.

Remote Workplace

Your location will be a home office; you are not required to live within commuting distance of your assigned Dexcom site (typically 75 miles/120km). If you reside within commuting distance of a Dexcom site (typically 75 miles/120km) a hybrid working environment may be available. Ask about our Flex workplace option.

Please note: The information contained herein is not intended to be an all-inclusive list of the duties and responsibilities of the job, nor are they intended to be an all-inclusive list of the skills and abilities required to do the job. Management may, at its discretion, assign or reassign duties and responsibilities to this job at any time. The duties and responsibilities in this job description may be subject to change at any time due to reasonable accommodation or other reasons. Reasonable accommodations may be made to enable individuals with disabilities to perform essential functions.

An Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, age, national origin, or protected veteran status and will not be discriminated against on the basis of disability.

Dexcom’s AAP may be viewed upon request by contacting Talent Acquisition at [e-mail].

If you are an individual with a disability and would like to request a reasonable accommodation as part of the employment selection process, please contact Dexcom Talent Acquisition at [e-mail].

Salary: $172,400.00 - $287,300.00 #DexcomUS

Since 1999, Dexcom has simplified and revolutionized diabetes management, positively impacting millions worldwide. At Dexcom, we're more than just a medical device company; we're a collective of visionary thinkers, trailblazers, and problem solvers. Our mission transcends the ordinary. We aim to revolutionize healthcare, one groundbreaking technology at a time.