Senior RF Coexistence Engineer

General Motors

Senior RF Engineer analyzing RF interference across GM's vehicle platforms. Collaborating with multiple teams to enhance vehicle connectivity technologies in a hybrid work environment.

Posted 7/9/2026full-timeSunnyvale • California, Missouri • 🇺🇸 United StatesSenior💰 $106,600 - $163,400 per yearWebsite

About the role

Key responsibilities & impact

Evaluate RF desense performance across vehicle systems and subsystems.
Measure and characterize receiver sensitivity degradation caused by internal and external interference sources.
Identify RF performance risks early in the design and integration process.
Support vehicle and subsystem-level RF troubleshooting activities.
Perform conducted and over-the-air (OTA) RF testing.
Execute receiver sensitivity and desense measurements.
Validate RF coexistence performance across technologies including LTE, 5G, Wi-Fi, Bluetooth, and GNSS.
Develop, execute, and document test plans and validation activities.
Analyze test results and provide recommendations to support engineering decisions.
Investigate interference sources within vehicle electronic systems.
Diagnose issues originating from processors, memory devices, power converters, displays, clocking circuits, and communication interfaces.
Utilize lab equipment including: Spectrum analyzers, Network analyzers, Signal generators, Near-field probes.
Conduct root cause investigations and verify corrective actions through regression testing.
Partner with GM hardware engineering teams during product development.
Review PCB layouts and hardware designs for potential RF interference risks.
Support improvements related to grounding, shielding, isolation, and signal integrity.
Recommend and validate mitigation strategies including: Shielding solutions, Filtering and decoupling techniques, Antenna tuning and optimization, Firmware and software-based interference mitigation.
Provide feedback that drives continuous improvement in future vehicle designs.
Work closely with RF, antenna, hardware, PCB layout, mechanical, software, and systems engineering teams.
Collaborate with suppliers and external test partners.
Support compliance and regulatory testing activities, including FCC, CE, and OEM requirements.
Document test procedures, findings, and technical recommendations.
Contribute to lessons learned and RF best practices.
Support the evolution of GM's internal RF validation and design methodologies.

Requirements

What you’ll need

Bachelor's or Master's degree in Electrical Engineering or a related technical discipline.
5+ years of experience in RF engineering, RF validation, or wireless systems development.
Hands-on experience performing RF testing, troubleshooting, or desense analysis.
Strong understanding of RF fundamentals, wireless communication systems, and interference mechanisms.
Experience using RF test equipment, including: Spectrum analyzers, Network analyzers, Signal generators, Near-field probes.
Familiarity with OTA testing and RF performance validation.
Exposure to RF simulation and modeling tools such as: CST Studio Suite, HFSS, FEKO.

Benefits

Comp & perks

GM offers a variety of health and wellbeing benefit programs.
Benefit options include medical, dental, vision, Health Savings Account, Flexible Spending Accounts, retirement savings plan, sickness and accident benefits, life insurance, paid vacation & holidays, tuition assistance programs, employee assistance program, GM vehicle discounts and more.

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

RF ValidationWireless Communication SystemsInterference MechanismsDesense AnalysisTest Plan DevelopmentRoot Cause InvestigationSignal IntegrityGrounding SolutionsFiltering TechniquesAntenna Optimization

Soft Skills

CollaborationProblem-SolvingCommunication