Systems Design & Test Engineer 2

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

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.

Where you come in:

• 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.

What makes you successful:

• 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.

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: $82,900.00 - $138,100.00