Job Responsibility: Location: Toronto, Canada Thales people architect solutions that support 85 million mainline and suburban passenger journeys, worldwide, every day. Our Rail Signalling and Communication systems are used on metro lines across major cities, and 72,000 kms of route, 52,000 trains per day in 16 countries are controlled by our Traffic Management Systems. Together We deployed the first-ever nationwide ticketing system which processes over 50 million ticketing transactions in 100 cities daily. Thales provides world-leading Communications-Based Train Control (CBTC) and interlocking for mass rail transit applications globally. The Centre of Competence for Urban Rail Signalling is located right before you at mid-town Toronto. As the largest office in Canada, we house a department for every step of the Software Development Lifecycle (SDLC)! This includes Software, Hardware, Systems Design, Verification & Validation, Operations, etc. The supporting corporate shared services teams in Finance, Human Resources and IT is also located at the office. Our office space was designed to provide a sustainable, healthy workplace that expresses TRSS's brand while increasing collaboration. Features include Greenguard furniture, EnergyStar appliances, low-emitting adhesives, sealants, and sliding glass doors on internal offices provide daylight and views to the outside. Come join the big Transport family, here in Toronto! We are looking for a System Design Specialist to join our team in Toronto. You will perform System design, analysis to specify communication based train control systems; Develop and define system design features to meet Customer requirements; Analyze and evaluate designs to verify compliance with system technical requirements and develop and define Subsystems requirements. The successful candidate will be accountable for performing the design work correctly, within cost and schedule limits, as defined in approved work packages. The work is typically defined by the Work Package Manager, then reviewed, modified and agreed with and approved by the Systems Architect and/or Manager.



The System Engineer typically works with a team of engineers to define what will be designed, how it will perform and how it will be determined that it is working correctly. Key Requirements:

- Converts Customer (internal and/or external) requirements into conceptual designs and prepares associated documentation by performing operational analyses, simulations and technical trade-off studies evaluating alternative design configurations and functional features
- Similarly creates new concepts or modifies existing concepts to fulfil customer requirements
- Prepares system, subsystem, and interface requirement specifications by analyzing, decomposing modelling and refining customer requirements and typical train control domain requirements
- Prepares Operational Concept Document
- Performs technical/engineering tasks to define system design, subsystem requirements, application databases for software subsystems
- Analysis and simulations are performed as necessary to identify design feasibility & driving requirements
- Prepares and supports bids and proposals, including customer requirements compliance assessment, gap analysis, architecture design, simulation, trade-off of key features, estimation, etc.
- Presents technical design and reports to customers and/or other engineering/management groups in clear, complete, concise and non-ambiguous terms
- Defines or proposes updates of processes and standards covering the work and its products based on the knowledge of systems engineering and/or his technical specialty
- Operational design limits are evaluated and defined; performance analyses and simulations are developed & performed to support the above
- Interface and build strong working relationships with Software,



Hardware and IVVQ groups to ensure timely analysis and resolution of in-house and field test issue
- Leading technical discussions, technical solution presentation to internal and external stakeholders
- Mentors contractors and other systems specialists, by defining their work, coaching them on how and what to prepare, monitoring their progress and directing them on priorities
- Supports work package estimates and descriptions based on the knowledge of the work and project requirements
- Supports the Identification and implement process improvement initiatives
- Promote a safety culture where product safety is paramount
- Ensure that safety is built into the design by early identification and resolution of safety related defects

Skills and Experience:
- Bachelor's degree in Computer Science, Engineering or a closely related field
- Minimum of 3 years relevant experience in development of software-based System applications
- Strong application (automated train control systems) domain knowledge
- Knowledge of systems engineering principles and practices
- Excellent technical writing and communication skills
- Fluent oral and written communication skills in English
- Rail Signaling knowledge

Preferred Skills and Experience:
- Knowledge of modern software engineering practices, methods and tools
- Knowledge of systems development life cycle
- Good marketing and presentation skills
- Ability to sell/defend product to customers with differing levels of knowledge about automated systems
- Strong planning and organizational skills.
- Experience with using DOORS, Melody advance, etc.
- Professional Engineer's Licence (P. Eng.)

Thales is an equal chance employer which values diversity and inclusivity in the workplace. Thales is committed to providing accommodations in all parts of the interview process. Applicants selected for an interview who require accommodation are asked to advise accordingly upon the invitation for an interview. We will work with you to meet your needs. All accommodation information provided will be treated as confidential and used only for the purpose of providing an accessible candidate experience.

📌 System Design Specialist (Toronto)
🏢 Thales
📍 Toronto