Senior Control Systems Engineer Jobs in Toronto, ON

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AECOM Mississauga is currently seeking a highly motivated Senior ETCS Engineer to join our Signals Canada team.

This is a newly created role.

Main Tasks and Responsibilities

• Develop detailed designs, analysis, and implementation of ETCS Level 1 and Level 2 , including onboard, wayside, central control components, with strong knowledge of LRT S&TCS systems, project environment, and client and operator needs.
• Analyzing project requirements at the ETCS subsystem level to provide complete and effective solutions.
• Actively participating in the design phase of the ETCS engineering cycle, including requirements specification and design.
• Preparing specific technical documentation, ensuring compliance with project requirements and applicable regulations.
• Creating and reviewing interface specifications between ETCS, other subsystems, and rolling stock. Support the development and review of signaling design documents, including system architectures, interlocking principles, and control center integration.
• Perform interface analysis and integration with CBTC, conventional signaling, and other rail systems.
• Provide strong expertise in ATC system including knowledge of the wayside, track, and onboard equipment.
• Produce system design deliverables such as block diagrams, riser diagrams, network diagrams, equipment layouts, cable schedules, bill of materials, and others.
• Generate design reports for all phases of system design.
• Author test procedures and reports in support of design verification and validation during the project life cycle.
• Produce Issued for Construction drawing and document packages.
• Work closely with senior engineers, clients, and project stakeholders to ensure S&TCS meet operational and safety requirements
• Support and participate in the implementation phase of projects, such as installation, Testing & Commissioning, Cutover, Record Drawings and final reports.
• Support procurement efforts by authoring technical requirements and specifications, performing vendor bid evaluations and supporting vendor selection.
• Work with Systems vendors until final delivery.
• Interface with other technical disciplines such as Communication Systems, Power Supply & Distribution, Electrical, Mechanical, Structural, Architectural, Trackwork, Civil and others; including coordination and design of S&TCS interfaces, both physical and functional.
• Support project efforts related to System Engineering and Assurance as an S&TCS subject-matter expert including Safety Assurance, RAM, Requirements Management, V&V, T&C, Interface Management, O&M, Cybersecurity, EMI/EMC, and others.
• Assist in safety and reliability assessments, ensuring compliance with CENELEC standards (EN 50126, EN 50128, EN 50129) and relevant rail safety regulations.
• Participate in system interface coordination and creation of Interface Control Documents (ICDs).
• Perform technical review of other team members’ designs.
• Stay up to date with industry advancements, best practices, and regulatory requirements related to ETCS and train control systems.

Minimum Requirements:

• Bachelor Degree + 8 years of experience in railway S&TCS, with a focus on ETCS Level 2.
• Professional Engineer designation, or the ability to obtain or apply towards professional designation.

Preferred Qualifications:

• Ideally 12+ years experience in railway S&TCS, with a focus on ETCS Level 1 and Level 2
• Experience with ATC systems
• Experience with Communications-Based Train Control (CBTC), Automatic Train Operation (ATO), and Automatic Train Protection (ATP), Positive Train Control (PTC), and level crossings.
• Accustomed to operating within a multi-disciplinary project structure with responsibility for S&TCS design.
• Relevant industry certifications in ETCS, signaling, or train control systems are an asset.
• Hands-on experience with ETCS testing, verification, and validation is an asset
• Experience leading technical work and being client facing.
• Team player with excellent communication and interpersonal skills.
• Self-motivated and able to work with limited direct supervision.
• Able to multitask due to concurrent projects.
• Open to traveling for work.

• Sponsorship for Canadian employment authorization is not available for this position

At AECOM, we are committed to maintaining a secure and trustworthy recruitment process and take any fraudulent hiring activity seriously. To support this commitment, all newly hired employees are required to attend an in-person Day 1 onboarding at an AECOM office location as a condition of employment.

About AECOM 

AECOM is proud to offer comprehensive benefits to meet the diverse needs of our employees. Depending on your employment status, AECOM benefits may include medical, dental, vision, life, AD&D, disability benefits, paid time off, leaves of absences, voluntary benefits, perks, flexible work options, well-being resources, employee assistance program, business travel insurance, service recognition awards, retirement savings plan, and employee stock purchase plan. 

AECOM is the global infrastructure leader, committed to delivering a better world. As a trusted professional services firm powered by deep technical abilities, we solve our clients’ complex challenges in water, environment, energy, transportation and buildings. Our teams partner with public- and private-sector clients to create innovative, sustainable and resilient solutions throughout the project lifecycle – from advisory, planning, design and engineering to program and construction management. AECOM is a Fortune 500 firm that had revenue of $16.1 billion in fiscal year 2025. Learn more at aecom.com. 

What makes AECOM a great place to work 

You will be part of a global team that champions your growth and career ambitions. Work on groundbreaking projects - both in your local community and on a global scale - that are transforming our industry and shaping the future. With cutting-edge technology and a network of experts, you’ll have the resources to make a real impact. Our award-winning training and development programs are designed to expand your technical expertise and leadership skills, helping you build the career you’ve always envisioned. Here, you’ll find a welcoming workplace built on respect, collaboration and community - where you have the freedom to grow in a world of opportunity. 

As an Equal Opportunity Employer, we believe in your potential and are here to help you achieve it. All your information will be kept confidential according to EEO guidelines. Artificial intelligence will be used to support the screening, assessment, and selection of applicants for this role. Final hiring decisions are made by the hiring team.