Sub-System Lead Engineer

Description

Work Arrangement:

Hybrid: This means the successful candidate is expected to report to their primary location (Milford, MI) three times per week, at minimum, or other frequency dictated by the business.

The Role:

The Sub-System Lead Engineer (SSLE) is an individual contributor with recognized expertise responsible for tasks and work throughout the entire vehicle development lifecycle, including requirements definition, design and implementation, testing, and problem resolution. 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 PHEV "Front End Air Flow" (FEAF) system, which includes thermal management strategies for engine, RESS, and power electronics cooling and supports cabin thermal performance during PSA ON and off‑power/charging events in PHEV applications.

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, ensuring appropriate enable/disable criteria, thresholds, and remedial actions for PHEV-specific operating modes (ICE vs electric vs blended).

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.

Your Skills & Abilities (Required Qualifications):

Bachelor’s degree in engineering (Mechanical, Electrical, Software, Systems, or related fields).

5+ years of professional experience in automotive systems design.

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+ years of professional experience in automotive systems design.

Experience leveraging simulation environments and plant modeling for testing or requirements generation is a plus (e.g., MATLAB/Simulink, D-Space HIL, SIL, 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).

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.

Relocation:

This job may be eligible for relocation benefits.

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