Senior Rf Manager Jobs in Michigan (NOW HIRING)

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 softwaredefined, technologydriven automotive company, with a growing emphasis on inhouse 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 multiradio performance execution across GM's nextgeneration product platforms. In this role, you will focus on coexistence behavior, throughput, latency, and systemlevel performance across cellular, WiFi, Bluetooth, GNSS, UWB, and emerging wireless technologies.

This is a senior individual contributor role that plays a critical part in GM's inhouse design (IHD) strategy, embedding coexistence expertise early in design, validation, and integration cycles while working within agile, crossfunctional development teams.

Key Responsibilities

Coexistence Execution & Ownership

• Own coexistence performance execution for assigned systems, features, and vehicle programs

• Develop and implement multiradio coexistence solutions within defined vehicle and system architectures

• Support early design phases by identifying coexistence risks and opportunities aligned with GM's inhouse development roadmap

• Partner with internal design teams to reduce dependency on latestage supplier fixes

• Analyze and improve:

  • Throughput degradation

  • Latency, packet loss, and jitter

  • Radio contention and scheduling inefficiencies

• Evaluate coexistence behavior in realworld, invehicle scenarios:

  • Simultaneous radio operation (e.g., WiFi + Bluetooth audio + cellular data)

• Support system tradeoffs 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

  • Vehiclelevel testing

• Support agile development models through incremental learning, fast debug, and early risk retirement

CrossFunctional Technical Integration

• Influence system design decisions to improve coexistence performance, including:

  • Antenna placement and isolation

  • RF frontend architecture

  • Clocking and aggressor management

• Collaborate with firmware and software teams on:

  • Coexistence algorithms

  • Scheduling and arbitration mechanisms

  • Frequency hopping and timedomain coordination

• Act as a technical bridge between hardware realities and protocollevel 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 & RootCause Analysis

• Lead rootcause investigation of coexistencerelated performance issues by:

  • Identifying aggressor / victim interactions

  • Analyzing conducted, radiated, and baseband coupling paths

• Debug across multiple layers:

  • RF frontend and antenna systems

  • Baseband and firmware behavior

  • System scheduling and software interactions

• Capture learnings to support reuse and continuous improvement within GM's inhouse design ecosystem

Design for Coexistence (DfC)

• Apply GMdefined designforcoexistence frameworks, including:

  • PCB layout (grounding, isolation, return paths)

  • Antenna placement and coupling minimization

  • Shielding, filtering, and noise mitigation

  • Systemlevel timing and resource management strategies

• Support earlystage coexistence modeling and simulation in collaboration with system architects

Technical Leadership

• Serve as a goto coexistence subjectmatter expert for assigned programs

• Mentor junior engineers on coexistence fundamentals, testing, and debug techniques

• Contribute to inhouse 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:

  • Multiradio interference mechanisms

  • Wireless protocols (WiFi, Bluetooth, LTE/5G) and their interactions

• Handson experience with:

  • Wireless test equipment (UXM, CMX, MT8000A, CMW500)

  • OTA testing and coexistence validation setups

  • RF simulation tools (CST, HFSS, FEKO)

• Proven systemlevel debugging and datadriven analysis skills

Preferred Experience

• Automotive wireless systems (infotainment, telematics, connected vehicle platforms)

• Consumer electronics (smartphones, wearables, AR/VR)

• Experience supporting inhouse hardware or platform development teams

• Familiarity with firmwaredriven 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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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.

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