Systems Design & Test Engineer 2

Dexcom, Inc; San Diego (CA); On-site; USD 83,000 - 138,000; Full time

Benefits offered by this job

Growth opportunities

Career development

Travel opportunities

Benefits program

Job summary

Dexcom, Inc in the United States seeks a highly technical embedded systems engineer to join the hardware team building ultra-low-power wearable CGM devices. You will influence device-level behavior, performance, and power efficiency throughout the full product lifecycle.

You will work on BLE, prototype firmware in C/C++, and automated test frameworks while collaborating with systems, firmware, mobile apps, and QA.

Qualifications

• Strong experience in embedded systems, firmware development, system validation, or prototype evaluation.
• Proficiency in C/C++ with debugging embedded firmware.
• Experience analyzing BLE communications with protocol sniffers, logs, and wireless tools.
• Strong troubleshooting and root-cause analysis across firmware, apps, and communications.
• Experience developing automated test tools and frameworks.

Responsibilities

• Evaluate CGM system performance using prototype firmware, mobile app features, and experimental configurations to characterize behavior.
• Perform BLE communication analysis using protocol sniffers, device logs, and diagnostic tools to identify issues.
• Conduct power-impact analysis using Keysight power analyzers to assess energy consumption.
• Investigate system anomalies and firmware defects, driving root-cause analysis and corrective actions.
• Develop and maintain automated test frameworks and engineering tools across Windows, macOS, and Linux to improve testing efficiency.
• Create test plans, procedures, and technical reports; present findings to teams and leadership.
• Develop prototype firmware features in C/C++, participate in code reviews and architecture discussions.
• Collaborate with systems, firmware, mobile app, quality, and partner teams to define requirements and verify interoperability across devices.

Skills

Embedded systems

C/C++

BLE analysis

Troubleshooting

Automated testing

Cross-functional collaboration

Education

Bachelor's degree in a technical discipline

Tools

BLE protocol sniffers

Keysight Power Analyzers

Windows/macOS/Linux

Test automation tools

Job description

About Dexcom

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.

Role

Meet the team:You will join a highly technical embedded systems and hardware engineering team responsible for building reliable, secure, and ultra-low-power platforms that power next-generation connected wearable devices. The team operates across silicon, real-time embedded systems, algorithms, and connectivity stacks, translating complex system requirements into robust real-world solutions. This role plays a key part in shaping device-level behavior, performance, and power efficiency throughout the full product lifecycle.

Responsibilities

• You evaluate CGM system performance using prototype firmware, mobile application features, and experimental system configurations to characterize overall system behavior and performance.
• You perform BLE communication analysis using protocol sniffers, device logs, and diagnostic tools to identify issues and characterize wireless communication performance.
• You conduct power-impact analysis using Keysight power analyzers and related instrumentation to assess feature-level and system-level energy consumption.
• You investigate system anomalies, prototype feature issues, and production firmware or application defects, driving structured root-cause analysis and corrective actions.
• You develop and maintain automated test frameworks, fixture scripts, and engineering tools across Windows, macOS, and Linux environments to improve testing efficiency and repeatability.
• You create comprehensive test plans, detailed test procedures, and technical reports while presenting findings to engineering teams and leadership stakeholders.
• You develop prototype firmware features in C/C++, participate in code reviews, and contribute to architecture discussions supporting future CGM capabilities.
• You collaborate with systems, firmware, mobile application, quality, and external partner teams to define requirements, support verification activities, and evaluate interoperability across connected devices and applications.

Requirements

• Strong experience in embedded systems, firmware development, system validation, or prototype evaluation.
• Proficiency in C/C++ software development with experience debugging and developing embedded firmware applications.
• Experience analyzing Bluetooth Low Energy (BLE) communications using protocol sniffers, logs, and wireless diagnostic tools.
• Strong troubleshooting and root-cause analysis skills with the ability to investigate complex system-level issues spanning firmware, applications, and communications layers.
• Experience developing automated test tools, scripts, and frameworks using modern software engineering practices.
• Hands-on experience with laboratory instrumentation, power measurement equipment, and system characterization tools.
• Experience writing test plans, verification procedures, requirements documentation, and technical presentations for diverse audiences.
• Ability to work effectively across cross-functional teams and independently drive technical investigations from problem identification through resolution.

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 2-5 years related experience or Master's degree and 0-2 years' equivalent experience.

Important Notes

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.

Equal Opportunity Statement

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.

Additional Information

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].

Meritain, an Aetna Company, creates and publishes the Machine-Readable Files on behalf of Dexcom.

To all Staffing and Recruiting Agencies: Our Careers Site is only for individuals seeking a job at Dexcom. Only authorized staffing and recruiting agencies may use this site or to submit profiles, applications or resumes on specific requisitions. Dexcom does not accept unsolicited resumes or applications from agencies. Please do not forward resumes to the Talent Acquisition team, Dexcom employees or any other company location. Dexcom is not responsible for any fees related to unsolicited resumes/applications.

Salary

Salary:$82,900.00 - $138,100.00#DexcomUS