Embedded Systems Test Engineer (BLE & Power, Wearables)

Dexcom Inc.; San Diego (CA); On-site; USD 82,900 - 138,100; Full time

Benefits offered by this job

Comprehensive benefits program

Global growth opportunities

Tuition reimbursement

Job summary

Dexcom Inc. in San Diego, CA is seeking an embedded systems engineer to advance CGM technology. You will develop firmware in C/C++, analyze BLE performance, and drive power measurements across prototype and production configurations.

You will collaborate across systems, firmware, mobile apps, quality, and external partners to verify interoperability and ensure robust device behavior throughout the product lifecycle.

Qualifications

• Typically requires a Bachelor’s degree in a technical discipline and 2–5 years of related experience, or a Master’s degree with 0–2 years’ equivalent experience.
• Strong background in embedded firmware development and system validation.
• Experience analyzing BLE communications with sniffers, logs, and diagnostic tools.

Responsibilities

• Evaluate CGM system performance using prototype firmware and experimental configurations.
• Perform BLE analysis and diagnose wireless communication issues.
• Conduct power-impact analysis with lab instrumentation to assess energy use.
• Investigate system anomalies and drive root-cause analysis and corrective actions.
• Develop and maintain automated test frameworks and engineering tools across Windows, macOS, and Linux.
• Create comprehensive test plans, procedures, and technical reports for stakeholders.
• Develop prototype firmware features in C/C++ and participate in code reviews.

Skills

Embedded systems

C/C++ development

BLE analysis

Troubleshooting

Automated test tools

Power measurement

Cross-functional collaboration

Education

Bachelor's degree in a technical discipline

Master's degree (optional)

Tools

BLE protocol sniffers

Power analyzers

Windows/macOS/Linux tooling

Firmware debugging tools

Job description

Dexcom Inc. in San Diego, CA is seeking an embedded systems engineer to advance CGM technology. You will develop firmware in C/C++, analyze BLE performance, and drive power measurements across prototype and production configurations.

You will collaborate across systems, firmware, mobile apps, quality, and external partners to verify interoperability and ensure robust device behavior throughout the product lifecycle.