Senior Software Engineer - Serial Data / Vehicle Architecture

General Motors LLC; United States; Hybrid; USD 120,000 - 170,000; Full time

Job summary

General Motors is seeking a Senior Software Engineer to develop and maintain an agnostic software tool chain for multiple GM vehicle architectures. You will translate complex vehicle scenarios into simulated testing environments and collaborate with Tier 1 suppliers, manufacturing, and integration teams.

The role requires 5–7 years in Python and/or C#, strong CAPL knowledge, and experience with CAN and SOMEIP Ethernet. Hybrid work is expected in Warren/Milford, MI with three days on site.

Qualifications

• 5–7 years hands-on Python and/or C# experience.
• High level experience with Vector / CAPL Scripts.
• Experience building and maintaining software tool chains.
• Strong understanding of serial data, requirements, and vehicle scenarios.
• Ability to translate vehicle scenarios into simulated testing environments.
• Experience supporting multiple vehicle architectures.
• Ability to lead technical solution development, including requirements, analysis, development, and testing.
• Experience with CAN serial data communication.
• Experience with SOMEIP Ethernet communication development.
• Experience with automotive cybersecurity.
• Ability to collaborate with cross-functional teams and external suppliers.
• Experience documenting design specs and testing plans; mentoring.
• Experience with Ethernet protocol debugging using Wireshark.

Responsibilities

• Lead requirements definition, analysis, development, and testing for programs.
• Lead software system design activities and software anomaly correction efforts.
• Perform complex design analysis.
• Promote and support software engineering best practices.
• Serve as a subject matter expert for at least one platform or component.
• Lead continuous improvement initiatives related to software processes.
• Develop and maintain test tools for serial CAN and Ethernet communication.
• Design, develop, and execute performance validation strategies and tests.
• Collaborate with Tier 1 suppliers, manufacturing, and integration teams.
• Develop and maintain technical documentation, including design specifications, test plans, user guides, RCAs.
• Mentor junior engineers and foster continuous learning.
• Stay current on industry best practices and automotive software trends.

Skills

Python

C#

Vector CAPL

Tool chain development

CAN serial data

SOMEIP Ethernet

Cyber security

Cross-functional collaboration

Tools

Wireshark

CANoe

JTAG

Job description

Work Arrangement: Hybrid: This role is categorized as hybrid. This means the successful candidate is expected to report to Warren, MI or Milford, MI, three times per week.

The Role

We are seeking a Senior Software Engineer to develop, validate, deploy, and maintain an agnostic software tool chain that supports multiple GM vehicle architectures and enables Tier 1 suppliers to build software to GM specifications. This role owns the technical direction of the tool chain and requires strong expertise in serial data, requirements, and complex vehicle scenarios, with the ability to translate them into lower-level simulated environments for testing and validation.

What You'll Do

• Lead technical solution development, including requirements definition, functional decomposition, analysis, development, and testing for current, new, and major programs.
• Lead software system design activities and software anomaly correction efforts.
• Perform complex design analysis.
• Promote and support common software engineering best practices across the software community.
• Serve as a subject matter expert for at least one platform or application component and backup support for another.
• Lead and participate in continuous improvement initiatives related to software development processes, methodologies, and tools.
• Develop and maintain test tools for serial data CAN communication and ethernet communication across vehicle architectures.
• Design, develop, and execute performance validation strategies and tests for new and existing software features and systems.
• Collaborate with cross-functional teams, including Tier 1 suppliers, manufacturing, and integration teams to support seamless software integration and deployment.
• Develop and maintain technical documentation, including design specifications, test plans, user guides, and root cause analysis reports.
• Mentor junior engineers and contribute to a culture of continuous learning and technical excellence.
• Stay current on industry best practices, emerging technologies, and automotive software trends.

Your Skills and Abilities (Required Qualifications)

• At least 5-7 years of experience with hands on Python and/or C#.
• High level experience with Vector / CAPL Scripts.
• Strong experience developing and maintaining software tool chains.
• Strong understanding of serial data, requirements, and complex vehicle scenarios.
• Ability to translate complex vehicle scenarios into lower-level simulated environments for testing and validation.
• Experience supporting multiple vehicle architectures.
• Ability to lead technical solution development, including requirements, analysis, development, and testing.
• Experience with serial data CAN communication.
• Experience with SOMEIP ethernet communication development.
• Experience with automotive cyber security.
• Ability to collaborate effectively with cross-functional teams and external suppliers.
• Experience creating technical documentation, including design specifications, user guides, and integrating test plans.
• Ability to provide technical leadership, serve as a subject matter expert, and mentor junior engineers.
• Experience with Ethernet communication protocol debug, utilizes tools such as wireshark.

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.

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.

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.

Additional Information

GM does not provide immigration-related sponsorship for this role. Do not apply for this role if you will need GM immigration sponsorship now or in the future. This includes direct company sponsorship, entry of GM as the immigration employer of record on a government form, and any work authorization requiring a written submission or other immigration support from the company (e.g., H1-B, OPT, STEM OPT, CPT, TN, J-1, etc.). This role may be eligible for relocation benefits.

Accommodations

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