Role Description The Senior Subject Matter Expert - Railway Vehicles (Mechanical) will support railway vehicle procurement and rebuild projects, including those involving locomotives, multiple units, light rail vehicles, street cars, and rail cars. A strong technical background in complex rail and transit vehicle procurement projects is required. This role involves the technical review of documentation for all phases of rolling stock procurement and integration, from specification development through commissioning and regulatory compliance, with a focus on mechanical systems. This role requires a strong understanding of rail vehicle systems, their design, and integration of sub-systems into the vehicle. As a member of a multi-disciplinary team, the person in this role will work closely with other subject matter experts, management consultants, railway vehicle manufacturers, regulators, and transit agency representatives to deliver innovative rail solutions. The person in this position will work independently, as part of a team, and may be required to manage the day-to-day activities of team members and subcontractors. Tasks & Responsibilities - Support project management and technical teams, ensuring accuracy, consistency, and the timely delivery of project documentation to the specified quality level. - Maintain working relationships with key project participants including car builders, regulators, operators, and State agencies. - Participate in rail vehicle design reviews, testing activities, and manufacturing inspection activities to ensure that the design is fit for purpose, meets contractual and regulatory requirements, and is safe and maintainable over the life cycle. - Support client relations, marketing activities, scope development, and contract negotiations. - Support project lifecycle activities: planning, budgeting, scheduling, and contract administration. - As part of a multi-disciplinary engineering team, provide mechanical expertise to ensure compliance with Federal Railroad Administration (FRA) regulations and alternative propulsion concurrence. - Provide subject matter expertise in design review, testing, commissioning, and readiness of mechanical systems for revenue service for projects involving new and rebuilt rolling stock. - Provide subject matter expertise supporting system safety and system integration. - Provide quality assurance services, including audits and inspections of mechanical systems such as carbodies and trucks at manufacturing facilities and on customer premises. - Draft, edit, and review technical specifications, maintenance manuals, and compliance documentation. Qualifications - Degree in engineering or related field. An engineering license is an asset. - 10 or more years of experience providing mechanical subject expertise in railway vehicle procurement projects, with strong knowledge of project phases and interdependencies. Experience with zero-emission rail vehicle procurement is an asset. - Experience with railway vehicle rebuild projects, especially mechanical aspects such as carbody, trucks, and structural elements. - Experience working with passenger railway operators and railway vehicle owners, including State transportation departments, rail commissions/authorities, and transportation authorities. - Strong knowledge of relevant rail vehicle standards and recommended practices applicable to the North American market, including APTA, ASTM, AAR, EN, ISO, etc. - Excellent communication and stakeholder management skills. Requirements - Annual gross salary between $180,000 - $218,000 + bonus (CAD) for full-time employment, depending on professional qualifications and experience. Benefits - Medical Insurance: Multiple options - Low to High Deductible plans. - Dental & Vision. - Health Savings & Flexible Spending Accounts. - Life & AD&D Insurance, Short-term, and Long-term Disability: Company-paid. - Employee Assistance Program (EAP) for employees and their household members. - Commuter Benefits: Use tax-free money to pay for eligible transit and parking expenses (Train, subway, bus, ferry, parking). - Parental Paid Leave. - Supplemental Coverage: Optional accident, critical illness, and hospital indemnity plans with wellness benefits. - Retirement Savings (401k): Pre-tax or Roth contributions with company match. - Vacation & Holidays: Competitive time off plus 11 paid company holidays.

• Architect and implement engine enhancements to meet performance and functionality requirements • Identify rendering limitations in Unreal Engine and design solutions that support our visual identity and fidelity goals • Establish GPU frame budgets in collaboration with the technical art department • Partner with art teams to create tools and technologies that bring dynamism to our worlds • Improve and maintain shared engine technology across the company to support multiple projects and teams • Debug and resolve engine and game issues, ensuring stability and performance • Optimize memory usage, GPU and CPU workloads, and rendering performance across platforms • Mentor programmers and provide technical guidance to the team

• Maintaining and optimizing existing rendering systems. • Developing new rendering solutions for large-scale problems. • Working closely with art teams to provide performant and effective solutions. • Bringing our characters and worlds to life with your rendering knowledge. • Optimizing performance & memory utilization.

• Lead a distributed team of 5–8 Forward Deployed Engineers. • Serve as the technical and strategic escalation point for FDEs. • Facilitate daily stand-ups, weekly planning sessions, and regular 1:1s. • Define quality standards for FDE operations. • Manage critical technical escalations. • Hands-on implementation of new AI agent use cases. • Lead the implementation of Lili Analyze use cases. • Diagnose and resolve complex issues. • Ensure correct integration of APIs, webhooks, and systems. • Coordinate maintenance windows and releases. • Support FDEs in client interactions. • Identify opportunities for expansion. • Support contract renewals. • Define client-specific KPIs. • Translate feedback into actionable requirements. • Collaborate with product and engineering teams. • Coordinate with external vendors. • Maintain up-to-date operational documentation.