Sub System Lead Engineer - Thermal

Job Description

Work Arrangement:

The Role:

The Sub-System Lead Engineer (SSLE) is responsible for leading the development, definition, and documentation of requirements for applicable sub-systems or Agile Release Train (ART) solutions. The role involves close collaboration with cross-functional teams, ensuring technical specifications are well-defined, system behavior is clearly documented, and compliance with requirements is maintained throughout the development lifecycle. As a technical domain expert and single point of contact, the SSLE provides guidance on system design, troubleshooting, and optimization and owns the development and delivery of solutions, driving cross team and group efforts.

 This SSLE role focuses on controls of the "BEVHeat" system, which involves thermal management strategies for cabin and powertrain heating/cooling in electric vehicles.

What You'll Do:

• Create and maintain Behavior Technical Specifications (BTS) with a focus on Behavior-Driven Development (BDD) principles, ensuring customer impact is well understood.

• Leads Triad Meetings with key stakeholders to ensure effective communication, quick decision-making, and continuous improvement throughout the development process.

• Provides technical Leadership and mentorship for thermal control Systems

• Maintain Interface Requirements in DOORS and collaborate with Feature System Architects (FSAs) to ensure requirement structure and intent align with program objectives.

Model-Based Systems Engineering (MBSE) & System Diagrams

• Develop system block diagrams per MBSE principles in IBM Rhapsody

• Generate Block Definition Diagrams (mandatory for CICD) and other supporting diagrams (i.e.: Use-Case Diagrams, Activity Diagrams,)

Risk Management & FMEA Activities:

• Create and maintain Solution FMEAs, and Subsystem FMEAs, and AFMEA (Algorithm) in the area of responsibility.

• Support DFMEA & PFMEA development by collaborating with software and hardware teams to address failure modes.

• Ensure awareness of hardware failures (Sev 9, 10) within the in the SSLEs area of responsibility.

Support Requirements & Test Activities:

• Work with Controls and Software Engineers to ensure designs and implementations comply with requirements.

• Manage sub-system/solution requirements using Features/Stories in Jira.

• Support the development of Testable Functionality Roll-Out Plan (TFRP) and ensure test scenarios align with BTS requirements.

• Assist with test scenario creation and confirmation.

• Support root cause analysis and integrate resolutions into updated or new requirements.

Compliance & Safety Requirements:

• Assist in developing On-Board Diagnostics (OBD) regulatory requirements.

• Support the development and roll-down of safety requirements from systems/systems safety teams.

• Define and maintain calibration requirements as part of BTS/SDD.

Agile & Cross-Functional Collaboration:

• Participate as a key stakeholder in Agile development process, including:

  • Scrum meetings (Iteration Planning, Iteration Review, Daily Stand-ups, Program Increment Ceremonies).

• Engage with cross-functional teams, including Product Teams, FSAs, other SSLEs, and System Engineers, to align requirements, strategies, and solutions.

Additional Job Description

Your Skills & Abilities (Required Qualifications):

• Bachelor's degree in Engineering (Mechanical, Electrical, Software, Systems, or related fields).

• 5+ years of professional experience in automotive thermal systems design, analysis with 2+ years of experience in BEV thermal system control engineering.

• Strong analytical and problem-solving skills, including the ability to make independent, high-impact decisions.

• Experience with Requirements Engineering in automotive, aerospace, or related industries.

• Knowledge of Behavior-Driven Development (BDD) and MBSE principles.

• Familiarity with Jira for managing software-related requirements.

• Ability to facilitate cross-functional collaboration and lead discussions with stakeholders.

• Experience with Agile methodologies and SAFe practices.

• Strong documentation and communication skills to support a distributed, cross-functional team environment.

What Will Give You A Competitive Edge (Preferred Qualifications):

• Master’s degree, or PhD in Engineering (Mechanical, Electrical, Software, Systems, or related fields).

• 8+ year's experience with building thermal system simulation environments and plant modeling for testing or requirements generation (Matlab/Simulink, CarSim, D-Space, ETAS, Star-CCM+etc.).

• 2+ years of embedded software development experience

• Knowledge of serial data communication, diagnostics (RIDs/DIDs), and User services.

• Hands-on experience with IBM Rhapsody and system modeling techniques

• Proficiency in DOORS/DNG for requirement management.

• Familiarity with ISO 26262 (Functional Safety).

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 aspire to be the most inclusive company in the world. 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. Our Work Appropriately philosophy supports our foundation of inclusion and provides employees the flexibility to work where they can have the greatest impact on achieving our goals, dependent on role needs. Every day, we want every employee, no matter their background, ethnicity, preferences, or location, to feel they belong to one General Motors team.

Benefits Overview

The goal of the General Motors total rewards program is to support the health and well-being of you and your family. Our comprehensive compensation plan incudes, the following benefits, in addition to many others:
• Paid time off including vacation days, holidays, and parental leave for mothers, fathers and adoptive parents;
• Healthcare (including a triple tax advantaged health savings account and wellness incentive), dental, vision and life insurance plans to cover you and your family;
• Company and matching contributions to 401K savings plan to help you save for retirement;
• Global recognition program for peers and leaders to recognize and be recognized for results and behaviors that reflect our company values; 
• Tuition assistance and student loan refinancing;
• Discount on GM vehicles for you, your family and friends.

Diversity Information

General Motors is committed to being a workplace that is not only free of discrimination, but one that genuinely fosters inclusion and belonging. We strongly believe that workforce diversity creates an environment in which our employees can thrive and develop better products for our customers.   We understand and embrace the variety through which people gain experiences whether through professional, personal, educational, or volunteer opportunities. GM is proud to be an equal opportunity employer.

Equal Employment Opportunity Statements

GM is an equal opportunity employer and complies with all applicable federal, state, and local fair employment practices laws. GM is committed to providing a work environment free from unlawful discrimination and advancing equal employment opportunities for all qualified individuals. As part of this commitment, all practices and decisions relating to terms and conditions of employment, including, but not limited to, recruiting, hiring, training, promotion, discipline, compensation, benefits, and termination of employment are made without regard to an individual's protected characteristics. For purposes of this policy, “protected characteristics" include an individual's actual or perceived race, color, creed, religion, national origin, ancestry, citizenship status, age, sex or gender (including pregnancy, childbirth, lactation and related medical conditions), gender identity or gender expression, sexual orientation, weight, height, marital status, military service and veteran status, physical or mental disability, protected medical condition as defined by applicable state or local law, genetic information, or any other characteristic protected by applicable federal, state or local laws and ordinances.  If you need a reasonable accommodation to assist with your job search or application for employment, email us at Careers.Accommodations@GM.com or call us at 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.​