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Computer System Engineer Jobs in Mississauga, ON

Alstom

System Engineer - Signaling

Toronto, ON

CA$90K - CA$125K/yr

Could you be the full-time System Engineer in Toronto, ON we're looking for? Your future role Take ... Knowledge of Wayside Signaling, Computer-Based Interlocking (CBI) solutions, and Wayside/Trackside ...

Alstom

System Engineer - Signaling

Toronto, ON

CA$90K - CA$125K/yr

Could you be the full-time System Engineer in Toronto, ON we're looking for? Your future role Take ... Knowledge of Wayside Signaling, Computer-Based Interlocking (CBI) solutions, and Wayside/Trackside ...

TMX Group

System Engineer - Virtualization

Toronto, ON · Hybrid

CA$115 - CA$130/hr

The System Engineer (12-month contract) is responsible for the management and support of various ... Post-secondary degree or equivalent practical experience in Computer Science or Engineering, paired ...

OpenTable

System Engineer I

Toronto, ON · On-site

The System Engineer (EPM) will lead projects, provide strategy, insure system reliability and ... BSc degree in Computer Science. * Jamf 400 or equivalent Certifications for Systems Administrators ...

SNC-Lavalin

Systems Integration Engineer

Toronto, ON · Hybrid

CA$80K - CA$111K/yr

Overview The Systems Integration Engineer is responsible for driving interdisciplinary systems ... Bachelor's or Master's degree in Engineering, Computer Science, or a related field. PMI and INCOSE ...

Alstom

System Engineering Group Manager

Toronto, ON · On-site

CA$130K - CA$150K/yr

Bachelor's degree in Engineering, Computer Science, or a related scientific field (Master's degree ... Hands-on experience in Signalling Systems Engineering. * Comprehensive understanding of governance ...

Alstom

System Engineering Group Manager

Toronto, ON

CA$130K - CA$150K/yr

Bachelor's degree in Engineering, Computer Science, or a related scientific field (Master's degree ... Hands-on experience in Signalling Systems Engineering. * Comprehensive understanding of governance ...

GE Vernova

Lead Systems Engineer

Markham, ON · On-site

Nuclear system engineering experience. * Boiling Water Reactor / Small Module Reactor design experience. * Masters Degree in electrical, mechanical, systems, computer science, or other equivalent ...

General Motors

Senior Systems Engineering

Markham, ON · Hybrid

The Role The Senior Systems Engineer will join the Systems Engineering team within the Device Data ... Bachelor's degree in Systems Engineering, Computer Engineering, Electrical Engineering, Software ...

Shotover Systems

Embedded Systems Engineer

Hamilton, ON · On-site

$90K - $120K/yr

Bachelor's or Master's degree in Electrical Engineering, Computer Engineering, Computer Science, or ... System performance optimization and analysis, bode plot generation and analysis * Deep ...

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All JobsComputer System Engineer JobsComputer System Engineer Jobs in Mississauga, ON

Computer System Engineer information

Will AI replace system engineers?

Computer system engineers design, implement, and maintain complex IT systems, and while AI can automate certain tasks like monitoring and troubleshooting, it is unlikely to fully replace the need for human expertise in system architecture, problem-solving, and decision-making. AI tools can enhance efficiency but require skilled engineers to oversee, interpret, and adapt these technologies within organizational contexts.

What is the difference between Computer System Engineer vs Network Engineer?

AspectComputer System EngineerNetwork Engineer
Required CredentialsBachelor's in Computer Science, certifications like CompTIA, Cisco (CCNA)Bachelor's in Computer Science or related, Cisco certifications (CCNA, CCNP)
Work EnvironmentDesigning, implementing, and maintaining computer systems and infrastructureDesigning, deploying, and managing network infrastructure and security
Employer & Industry UsageIT companies, large corporations, government agenciesTelecommunications, IT service providers, large enterprises
Common Search & ComparisonOften compared for system design and infrastructure rolesCompared for network setup and security roles

Computer System Engineers focus on designing and maintaining overall computer systems, including hardware and software integration. Network Engineers specialize in building and managing network infrastructure. Both roles require similar certifications and often work in overlapping industries, but their core responsibilities differ in scope and focus.

What does a computer systems engineer do?

A computer systems engineer designs, develops, and maintains computer systems and networks to ensure they operate efficiently and securely. They analyze system requirements, troubleshoot issues, and implement hardware and software solutions, often using tools like operating systems, programming languages, and network protocols. Strong problem-solving skills and knowledge of cybersecurity are essential in this role.

What engineer makes $500,000 a year?

Highly experienced computer system engineers, especially those in senior leadership roles or working in specialized fields like cybersecurity or cloud architecture, can earn $500,000 or more annually. Such salaries often require advanced certifications, extensive expertise, and leadership responsibilities in large organizations or consulting firms.

What engineers make $300,000 a year?

Senior computer system engineers, especially those with extensive experience, specialized skills, and certifications in areas like cybersecurity, cloud computing, or systems architecture, can earn $300,000 or more annually. High-level roles often involve leadership responsibilities, complex project management, and working in high-demand industries such as technology or finance.
What cities near Mississauga, ON are hiring for Computer System Engineer jobs? Cities near Mississauga, ON with the most Computer System Engineer job openings:
Computer System Engineer jobs near you
Infographic showing various Computer System Engineer job openings in Mississauga, ON as of July 2026, with employment types broken down into 1% As Needed, 82% Full Time, 14% Part Time, and 3% Contract. Highlights an 91% Physical, 4% Hybrid, and 5% Remote job distribution.
System Engineer - Signaling

System Engineer - Signaling

Alstom

Toronto, ON

CA$90K - CA$125K/yr

Full-time

Posted 7 days ago

Alstom rating

7.5

Company rating: 7.5 out of 10

Based on 49 frontline employees who took The Breakroom Quiz

264th of 485 rated machine equipment manufacturers

Job description

Req ID:494076 

At Alstom, we understand transport networks and what moves people. From high-speed trains, metros, monorails, and trams, to turnkey systems, services, infrastructure, signalling and digital mobility, we offer our diverse customers the broadest portfolio in the industry. Every day, more than 80 000 colleagues lead the way to greener and smarter mobility worldwide, connecting cities as we reduce carbon and replace cars.

Could you be the full-time System Engineer in Toronto, ON we’re looking for?


Your future role

Take on a new challenge and apply your technical expertise in a cutting-edge field. You’ll work alongside collaborative and forward-thinking teammates.

You'll play a central role in reducing the carbon footprint of Canada’s busiest public transit system by contributing to the GO Expansion project. Day-to-day, you’ll work closely with teams across the business (such as rolling stock, electrification, civil and track, and operations and maintenance), develop system specifications, and ensure technical consistency across all project subsystems, and much more.

You’ll specifically take care of designing system solutions and formalizing system specifications, but also maintaining traceability of requirements and supporting technical discussions with the customer.

We’ll look to you for:

  • Analyzing input needs (external or internal) and requirements to design optimal system solutions

  • Providing technical interfaces with non-signaling teams

  • Formalizing and maintaining system specifications, application rules, and supporting process descriptions

  • Ensuring traceability throughout formal documentation and requirements

  • Developing interface specifications for external and internal subsystems

  • Coordinating with program team members to implement and revise designs

  • Supporting technical discussions with the customer and consortium teams

  • Applying Alstom standard processes and contributing to continuous improvement efforts


All about you

We value passion and attitude over experience. That’s why we don’t expect you to have every single skill. Instead, we’ve listed some that we think will help you succeed and grow in this role:

  • Bachelor’s Degree in Engineering or a related technical discipline

  • Minimum of 5 years of experience in Systems Engineering or equivalent design experience

  • Experience or understanding of signaling projects as a sub-system or system engineer

  • Knowledge of Wayside Signaling, Computer-Based Interlocking (CBI) solutions, and Wayside/Trackside environments

  • Familiarity with industry standards such as AREMA and CENELEC

  • A Professional Engineer certification (or in progress)

  • Experience with tools like DOORs and ClearQuest

  • Strong analytical, problem-solving, and critical-thinking skills

  • Excellent communication and interpersonal skills

Compensation

The expected compensation for this role is $90,000 – $125,000 CAD per year, plus benefits and eligibility for an annual performance bonus. Final compensation will be based on skills, experience, and internal equity.

Use of Artificial Intelligence in Hiring

We do not use artificial intelligence in the recruiting process for this role.

Interview Process & Candidate Communication

Candidates who participate in an interview for this role will be informed of the hiring decision within 45 days of their final interview date.

This job posting represents an existing vacancy.

You don’t need to be a train enthusiast to thrive with us. We guarantee that when you step onto one of our trains with your friends or family, you’ll be proud. If you’re up for the challenge, we’d love to hear from you!

Important to note

As a global business, we’re an equal-opportunity employer that celebrates diversity across the 63  countries we operate in. We’re committed to creating an inclusive workplace for everyone.

Job Type:​Experienced​

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