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Job Description
Our Mission:
At General Motors, our product teams are redefining mobility. Through a human-centered design process, we create vehicles and experiences that are designed not just to be seen, but to be felt. We're turning today's impossible into tomorrow's standard -from breakthrough hardware and battery systems to intuitive design, intelligent software, and next-generation safety and entertainment features.
Every day, our products move millions of people as we aim to make driving safer, smarter, and more connected, shaping the future of transportation on a global scale.
Job Overview
General Motors is transforming into a software-defined, technology-driven automotive company, with a growing emphasis on in-house hardware and RF system design to enable faster innovation, deeper system integration, and improved product quality.
We are seeking a highly skilled Senior RF Coexistence Engineer to support multi-radio performance execution across GM's next-generation product platforms. In this role, you will focus on coexistence behavior, throughput, latency, and system-level performance across cellular, Wi-Fi, Bluetooth, GNSS, UWB, and emerging wireless technologies.
This is a senior individual contributor role that plays a critical part in GM's in-house design (IHD) strategy, embedding coexistence expertise early in design, validation, and integration cycles while working within agile, cross-functional development teams.
Key Responsibilities
Coexistence Execution & Ownership

• Own coexistence performance execution for assigned systems, features, and vehicle programs
• Develop and implement multi-radio coexistence solutions within defined vehicle and system architectures
• Support early design phases by identifying coexistence risks and opportunities aligned with GM's in-house development roadmap
• Partner with internal design teams to reduce dependency on late-stage supplier fixes

• Analyze and improve:
  
  • Throughput degradation
  • Latency, packet loss, and jitter
  • Radio contention and scheduling inefficiencies
• Evaluate coexistence behavior in real-world, in-vehicle scenarios:
  
  • Simultaneous radio operation (e.g., Wi-Fi + Bluetooth audio + cellular data)
• Support system trade-offs balancing performance, power, cost, and use
• Collaborate closely with internal:
  
  • RF, antenna, PCB, SoC, and firmware teams

• Enable faster iteration cycles by connecting:
  
  • Early simulation
  • Bench and lab validation
  • Vehicle-level testing
• Support agile development models through incremental learning, fast debug, and early risk retirement

Cross-Functional Technical Integration

• Influence system design decisions to improve coexistence performance, including:
  
  • Antenna placement and isolation
  • RF front-end architecture
  • Clocking and aggressor management
• Collaborate with firmware and software teams on:
  
  • Coexistence algorithms
  • Scheduling and arbitration mechanisms
  • Frequency hopping and time-domain coordination
• Act as a technical bridge between hardware realities and protocol-level behavior

Coexistence Testing & Validation

• Develop and execute coexistence validation plans, including:
  
  • OTA and conducted test methods
  • Throughput and sensitivity measurement under concurrent radio operation
• Define and run coexistence test matrices and stress scenarios aligned with vehicle use cases
• Utilize tools such as:
  
  • Wireless test systems (UXM, CMX, MT8000A, CMW500)
  • OTA chambers, spectrum/network analyzers, protocol analyzers, and sniffers

Debug & Root-Cause Analysis

• Lead root-cause investigation of coexistence-related performance issues by:
  
  • Identifying aggressor / victim interactions
  • Analyzing conducted, radiated, and baseband coupling paths
• Debug across multiple layers:
  
  • RF front-end and antenna systems
  • Baseband and firmware behavior
  • System scheduling and software interactions
• Capture learnings to support reuse and continuous improvement within GM's in-house design ecosystem

Design for Coexistence (DfC)

• Apply GM-defined design-for-coexistence frameworks, including:
  
  • PCB layout (grounding, isolation, return paths)
  • Antenna placement and coupling minimization
  • Shielding, filtering, and noise mitigation
  • System-level timing and resource management strategies
• Support early-stage coexistence modeling and simulation in collaboration with system architects

Technical Leadership

• Serve as a go-to coexistence subject-matter expert for assigned programs
• Mentor junior engineers on coexistence fundamentals, testing, and debug techniques
• Contribute to in-house guidelines, documentation, and repeatable technical practices
• Provide technical input into architecture reviews, design decisions
• Be comfortable is dealing with ambiguity, self starter setting objectives aligned with phase of the product development cycle

Required Qualifications

• M.S. in Electrical Engineering or related field (PhD preferred)
• 6-10 years of RF/wireless engineering experience with strong emphasis on coexistence (Coex)
• Strong understanding of:
  
  • Multi-radio interference mechanisms
  • Wireless protocols (Wi-Fi, Bluetooth, LTE/5G) and their interactions
• Hands-on experience with:
  
  • Wireless test equipment (UXM, CMX, MT8000A, CMW500)
  • OTA testing and coexistence validation setups
  • RF simulation tools (CST, HFSS, FEKO)
• Proven system-level debugging and data-driven analysis skills

Preferred Experience

• Automotive wireless systems (infotainment, telematics, connected vehicle platforms)
• Consumer electronics (smartphones, wearables, AR/VR)
• Experience supporting in-house hardware or platform development teams
• Familiarity with firmware-driven coexistence algorithms and protocol analyzers

Compensation: The compensation information is a good faith estimate only. It is based on what a successful applicant might be paid in accordance with applicable state laws. The actual base salary a successful candidate will be offered within this range will vary based on factors relevant to the position, as well as geography of the selected candidate.
• The salary range for this role is 134,700 - 207,600
. The actual base salary a successful candidate will be offered within this range will vary based on factors relevant to the position.
• Bonus Potential: An incentive pay program offers payouts based on company performance, job level, and individual performance.
Benefits:
• Benefits: 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.
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This role is categorized as hybrid. This means the selected candidate is expected to report to a specific location at least 3 times a week {or other frequency dictated by their manager}.The selected candidate will be required to travel <25% for this role.
About GM
Our vision is a world with Zero Crashes, Zero Emissions and Zero Congestion and we embrace the responsibility to lead the change that will make our world better, safer and more equitable for all.
Why Join Us
We believe we all must make a choice every day - individually and collectively - to drive meaningful change through our words, our deeds and our culture. Every day, we want every employee to feel they belong to one General Motors team.
Benefits Overview
From day one, we're looking out for your well-being-at work and at home-so you can focus on realizing your ambitions. Learn how GM supports a rewarding career that rewards you personally by visiting Total Rewards resources.
Non-Discrimination and Equal Employment Opportunities (U.S.)
General Motors is committed to being a workplace that is not only free of unlawful discrimination, but one that genuinely fosters inclusion and belonging. We strongly believe that providing an inclusive workplace creates an environment in which our employees can thrive and develop better products for our customers.
All employment decisions are made on a non-discriminatory basis without regard to sex, race, color, national origin, citizenship status, religion, age, disability, pregnancy or maternity status, sexual orientation, gender identity, status as a veteran or protected veteran, or any other similarly protected status in accordance with federal, state and local laws.
We encourage interested candidates to review the key responsibilities and qualifications for each role and apply for any positions that match their skills and capabilities. Applicants in the recruitment process may be required, where applicable, to successfully complete a role-related assessment(s) and/or a pre-employment screening prior to beginning employment. To learn more, visit How we Hire.
Accommodations
General Motors offers opportunities to all job seekers including individuals with disabilities. If you need a reasonable accommodation to assist with your job search or application for employment, emailus or call us at 1-800-865-7580. In your email, please include a description of the specific accommodation you are requesting as well as the job title and requisition number of the position for which you are applying.