Job Description

Vacancy Status

**Yes -**This posting is for an existing vacancy within the organization and is open to new applications. (Backfill)

AI Disclosure

As part of the application process, Artificial Intelligence will be used in the hiring process for this role

**Onsite -**This role is categorized as onsite. This means the successful candidate is expected to report to the St. Catharine's Propulsion site on a full-time basis.

Job Summary

TheGSC Office Manageris responsible for leading the Global Supply Chain office function at St. Catharines GPS. This role ensures safe, compliant, and efficient material flow to production, oversees inventory integrity and premium transportation, manages supplier schedules and related systems, and leads the GSC office team. The GSC Office Manager acts as the key interface between plant operations, central GSC, logistics providers, and suppliers to support safe, on-time, and cost-effective production.

Key Responsibilities

Safety, Compliance & Environment

• Ensure completion and reinforcement of all requiredhealth & safety,dangerous goods, andemergency responsetraining for self and GSC office team (e.g., DOT/TDG, plant H&S policies, ergonomics, PPE, safety observation tours, ESCP/SIR/SOP).
• Maintain compliance withDangerous Goods shippingrequirements for cells, modules, and packs, including documentation, certification, audits, and training renewals.
• Lead or support workplace organization (5S/WPO) and environmental requirements for the GSC office and docks (waste segregation, recycling tracking, spill prevention).
• Ensure adherence toILM,CSA, and corporate policy requirements for records, document control, and data security.

Quality, Problem Solving & Process Control

• Ensure GMS / GMAS process compliance, including standardized work (STS/TIS/JES/SOS), BIQ elements, BPD, and problem-solving processes (SPPS, PPS/SPPS, PTR/EWO/SPCR/BTAB as applicable).
• Own or supportSPPSissuance and follow-up for packaging, labeling, shipping, EDI, and other supply chain non-conformances; audit open SPPS and drive supplier corrective actions.
• Lead or support investigations and corrective actions for operational issues (e.g., shortages, mis-shipments, inventory discrepancies, schedule errors, premium freight events).

Cost, Inventory & Premium Transportation

• Own or co-owninventory accuracy and reconciliation, including daily/weekly discrepancy investigation, high precision counts, quarterly counts, adjustments, and coordination with Finance.
• Develop and explaininventory value forecasts, obsolescence plans, and year-end inventory budgets; support corporate and sector reviews.
• Approve and trackpremium freight, accessorial charges, detention/TONU and related KPIs; participate in transportation KPI calls and logistics performance reviews.
• Oversee recycling, scrap, and excess/obsolete material management processes in alignment with cost and environmental targets.

Responsiveness, Scheduling & Systems

• Lead or coordinatesupplier scheduling and EDIactivities in MGO/MGO-C (and related tools), including updating supplier schedules (MS8P1100), adjusting YTD plan CUM, and aligning 40-week and daily plans to the latest operating plan.
• Managecustomer orderactivities in MGO-C, including adding orders, correcting rejects, running global jobs, and ensuring shipping requirements are supported.
• Provide plant-level leadership on materialOp Plan, production plan, and responsiveness metrics (Impacts/BTP/MRA/OBS), ensuring supply supports build schedules and minimizing disruptions.
• Serve as local owner forkey GSC systems(e.g., MGO/MGO-C, Flexnet, GEPICS, container portals, EPS, SPPS, ITOM reports), including access control, troubleshooting, and coordination with SMEs and central teams.

Governance, Meetings & Cross-Functional Interface

• Represent GSC office in key plant and sector forums (e.g., GSC office/team meetings, GSC Manager calls, transportation KPI calls, BPD reviews, SLT/basketweave, site scheduling and staff meetings).
• Prepare and maintain GSC performancedashboards and scorecards(cost, responsiveness, inventory, premium freight, safety) using Power BI and other tools; drive follow-up on gaps and countermeasures.
• Ensure standardized work (STS/TIS) for GSC office roles is current, signed, stored, and audited; lead periodic review and improvement of tasks and time allocations.

Qualifications

Education & Experience

• Successful completion of a Bachelor’s degree inBusiness, Supply Chain, Operations Management, Engineering, or related field; or equivalent combination of education and relevant experience.
• Demonstrated experience inmaterials management / supply chainwithin an automotive or high-volume manufacturing environment, ideally including office manager, scheduler, PFEP, or logistics responsibilities.
• Proven experience leading teams and driving performance across safety, quality, cost, and responsiveness metrics.

Technical Skills

• Strong working knowledge ofGSC systems and tools, such as MGO/MGO-C, Flexnet, GEPICS, EPS, SPPS, ITOM reporting, and related GM portals.
• Proficiency withMicrosoft Office(Excel, Power BI, Outlook, Teams, Word) for analysis, reporting, and communication.
• Familiarity withGMS/GMAS, BIQ, BPD, PFMEA/MFMEA, and standardized work systems (STS/TIS/JES/SOS).
• Knowledge ofDangerous Goods/TDG, export compliance, and transportation/logistics processes is an asset.

Leadership & Behavioral Competencies

• Strongproblem-solving, analytical, and decision-makingskills with the ability to manage complex trade-offs across safety, cost, and schedule.

• Demonstratedpeople leadershipcapabilities: coaching, feedback, conflict resolution, and developing talent.

• Ability to build effective relationships and influence acrossproduction, engineering, quality, finance, logistics providers, suppliers, and union partners.

• High level oforganizational skills, attention to detail, and ability to manage multiple priorities in a fast-paced environment.

Compensation

The salary range for this role is $97,800.00 to $146,600.00. The actual base salary a successful candidate will be offered within this range will vary based on factors relevant to the position.

Benefits:

The goal of the General Motors of Canada total rewards program is to support the health and well-being of you and your family. Our comprehensive compensation plan currently includes the following benefits, in addition to many others:

• Paid time off including vacation days, holidays, and supplemental benefits for pregnancy, parental and adoption leave.
• Healthcare, dental and vision benefits including health care spending account and wellness incentive.
• Life insurance plans to cover you and your family.
• Company and matching contributions to a Defined Contribution Pension plan to help you save for retirement.
• GM Vehicle Purchase Plan for you, your family, and friends.

THIS JOB IS NOT ELIGIBLE FOR RELOCATIONS BENEFITS. ANY RELOCATION COSTS WOULD BE THE RESPONSIBILITY OF THE SELECTED CANDIDATE.

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.

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

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.

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, visitHow we Hire.

Accommodations

General Motors offers opportunities to all job seekers including individuals with disabilities. If you need a reasonable accommodation to assist with your job search or application for employment,emailus or call us at 1-800-865-7580. 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.