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Role Description

We’re looking for cellular experts who agree that wireless communication can be perfectly reliable – no matter where our cars go. Our vehicle communication team is hiring a software engineer to design and develop cellular software in our Linux-based networking system. Join us to develop the best connectivity experience found in any car.

GM is developing a breakthrough new system for vehicle software and communications, and you'll be at the heart of it. We design our own hardware, so you'll work closely with hardware teams to meet the tough power, signal, and reliability requirements of vehicles. You'll also work closely with our application and cloud teams to ensure end-to-end reliability and performance.

Qualifications

• BS/MS/PhD in computer science or electrical engineering (or equivalent experience)
• 5+ years software development experience
• Deep drive to make cellular work perfectly, on any carrier, modem, and in any signal conditions

Requirements

• Knowledge of Linux/POSIX systems and system software fundamentals across the whole stack - from drivers through applications
• Experience shipping software at the junction of the cellular stack and the operating system
• Experience with modem control interface layers, such as Qualcomm’s TelSDK or QMI, or the Android RIL
• Ability to integrate cellular data into an operating system, through routing, firewalls, tethering, VPNs, and handoffs between WiFi and cellular
• Experience in triaging and debugging end-to-end issues in a team, and performing and analyzing packet captures
• Enjoy debugging difficult latency and connection issues that span framework, modem control, radio, kernel, and carrier
• Proficiency in C, C++, and Java

Preferred Qualifications

• Experience collaborating with radio and operating system vendors to debug issues
• Experience with IMS-adjacent system integration (VoLTE/VoWiFi behaviors, emergency calling flows, QoS policy plumbing) focusing on OS services and reliability
• Familiarity with 4G/5G device behavior from an OS perspective (network selection policies, roaming behavior, dual-SIM/DSDS state management, recovery strategies)
• Experience with eSIM/eUICC userland flows (activation/provisioning UX, profile management, secure storage, lifecycle and error recovery) and carrier-driven edge cases
• Strong automation background for cellular reliability: lab harnesses, simulated networks, test plans aligned with certification suites, and telemetry-driven regression detection
• Working knowledge of modem control-plane interfaces end-to-end: high-level vendor control APIs/SDK patterns and their underlying transports (e.g., QMI/MBIM/AT-style concepts)
• Ability to collaborate with hardware engineers to debug antenna, power and operating system issues

Compensation

The salary range for this role is 190,000 and 290,000. 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

• Variety of health and wellbeing benefit programs
• Medical, dental, vision options
• 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

Company Description

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.