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Senior Systems Engineer Jobs in Ontario (NOW HIRING)

Mission Control

Senior Systems Engineer

Ottawa, ON

  • Medical

  • Dental

  • Vision

  • PTO

About the Job Mission Control is seeking a Senior Systems Engineer to lead the expansion of our technology portfolio for robotic space missions, with a focus on planetary rover systems. As part of ...

Weir

Senior Systems Engineer

Ottawa, ON · Hybrid

Senior Systems Engineer Location: Halifax, Gatineau, Ottawa, or Montreal (LaSalle) Work Arrangement: Hybrid About the role Join a high-impact team supporting the development of advanced Information ...

Weir Group

Senior Systems Engineer

Ottawa, ON · Hybrid

Senior Systems Engineer Location: Halifax, Gatineau, Ottawa, or Montreal (LaSalle) Work Arrangement: Hybrid About the role Join a high-impact team supporting the development of advanced Information ...

CARFAX

Senior Systems Engineer

London, ON · Hybrid

Join our winning team as a Senior Systems Engineer We are seeking a skilled Systems Engineer to join our Enterprise Systems Engineering team. The team is highly skilled and collaborative, diverse ...

CARFAX

Senior Systems Engineer

London, ON · Hybrid

CA$97K - CA$130K/yr

Join our winning team as a Senior Systems Engineer We are seeking a skilled Systems Engineer to join our Enterprise Systems Engineering team. The team is highly skilled and collaborative, diverse ...

CARFAX

Senior Systems Engineer

London, ON · Hybrid

CA$97K - CA$130K/yr

Join our winning team as a Senior Systems Engineer We are seeking a skilled Systems Engineer to join our Enterprise Systems Engineering team. The team is highly skilled and collaborative, diverse ...

Telesat

Senior Systems Engineer

Ottawa, ON

As a Systems Engineer in the group this role will focus on requirements analysis and management. Reporting to the manager of Systems Engineering your focus will be on ensuring requirements are ...

General Motors

Senior Systems Engineering

Markham, ON · Hybrid

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

The Role The Senior Systems Engineer will join the Systems Engineering team within the Device Data Capture and Data Engineering organization and help define, integrate, and ensure validation coverage ...

General Motors

Senior Systems Engineering

Oshawa, ON · Hybrid

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

The Role The Senior Systems Engineer will join the Systems Engineering team within the Device Data Capture and Data Engineering organization and help define, integrate, and ensure validation coverage ...

Belden Inc

Sr. Systems Engineer, Ruckus

Cobourg, ON

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

The Systems Engineer is responsible for providing customercentric technical sales support, technical account management, and trusted advisory services. In collaboration with Territory Account ...

Navcanada

Systems Engineer

Ottawa, ON · Hybrid

CA$111K - CA$140K/yr

  • Retirement

Your responsibilities will include planning and conducting studies or medium-scale projects with support from Senior Systems Engineers, as well as contributing to engineering projects. Additionally ...

Clockwork.io

CA$150K - CA$230K/yr

Senior Expectations * Lead design of significant system components * Navigate ambiguity and define technical direction * Mentor engineers and raise team capabilities * 8+ years building systems ...

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Senior Systems Engineer information

What is a senior systems engineer?

A senior systems engineer is an IT (information technology) professional tasked with designing and maintaining network systems and security. Examples include large server or storage systems, computer networks, and mainframes. As a systems engineer, your primary duties are to oversee the daily operations of your facility and lead a team of engineers in designing new systems to replace old ones. You may work for a company that provides engineering services and solutions for other businesses, or you may be part of a large university or other institution's IT department. Skills needed for the career include the ability to work independently, leadership, and analytical problem-solving. A bachelor’s degree in electrical engineering or IT and significant experience in a lower systems engineering position are essential qualifications.

What are the key skills and qualifications needed to thrive as a senior systems engineer, and why are they important?

To thrive as a Senior Systems Engineer, you need expertise in systems architecture, troubleshooting, and network administration, typically supported by a degree in computer science or a related field and several years of relevant experience. Familiarity with virtualization platforms, cloud services (like AWS or Azure), automation tools (such as Ansible or PowerShell), and certifications like CompTIA, Microsoft, or Cisco are often required. Outstanding problem-solving, communication, and project management skills help you lead initiatives and collaborate effectively across teams. These competencies are crucial for ensuring system reliability, scalability, and security in complex IT environments.

What are some common challenges faced by senior systems engineers when integrating new technologies into existing infrastructure?

Senior Systems Engineers often encounter challenges such as ensuring compatibility between legacy systems and new technologies, minimizing downtime during migrations, and addressing unforeseen security vulnerabilities. Effective integration requires thorough planning, cross-team collaboration, and detailed testing to avoid disruptions to business operations. Staying current with emerging technologies and adopting best practices for change management are essential for overcoming these challenges and ensuring smooth implementation.

What is the difference between Senior Systems Engineer vs Systems Administrator?

AspectSenior Systems EngineerSystems Administrator
CertificationsCompTIA Security+, Cisco CCNA, Microsoft certificationsCompTIA A+, Network+, Microsoft certifications
Work EnvironmentDesigning, implementing, and troubleshooting complex systemsManaging daily system operations and user support
Industry UsageIT, technology, enterprise environmentsIT support, small to medium businesses

While both roles involve working with IT systems, Senior Systems Engineers focus on designing and implementing complex infrastructure, whereas Systems Administrators handle routine maintenance and user support. The senior role typically requires more advanced certifications and experience, and often involves strategic planning and system architecture.

More about Senior Systems Engineer jobs

What are the most commonly searched types of Systems Engineer jobs in Ontario?

The most popular types of Systems Engineer jobs in Ontario are:

What are popular job titles related to Senior Systems Engineer jobs in Ontario?

For Senior Systems Engineer jobs in Ontario, the most frequently searched job titles are:

What job categories do people searching Senior Systems Engineer jobs in Ontario look for?

The top searched job categories for Senior Systems Engineer jobs in Ontario are:

What cities in Ontario are hiring for Senior Systems Engineer jobs?

Cities in Ontario with the most Senior Systems Engineer job openings:

What are popular job titles related to Senior Systems Engineer jobs in ON?

For Senior Systems Engineer jobs in ON, the most frequently searched job titles are:

Senior Systems Engineer jobs near you
Infographic showing various Senior Systems Engineer job openings in Ontario as of August 2026, with employment types broken down into 1% As Needed, 78% Full Time, 17% Part Time, 3% Contract, and 1% Nights. Highlights an 88% Physical, 3% Hybrid, and 9% Remote job distribution.

Sr. Systems Engineer

Great White North

South Porcupine, ON

Full-time

Medical, Life, PTO

Re-posted 27 days ago

Job description

Great White North - Designing solutions, leading innovation, and elevating client success.


About the Role

If you're the person everyone turns to for the tough problems - the architect, the troubleshooter, the strategist then this role is built for you. As a Sr. Systems Engineer at Great White North, you'll design and deliver IT solutions that solve real business challenges. You'll lead complex projects, guide the technical team, and serve as the final escalation point for the most advanced support issues.


This is a highimpact role where your expertise shapes client environments, influences internal best practices, and drives innovation across the organization.


What You'll Do

  • Design, budget, and deliver IT infrastructure projects (servers, storage, networking, cloud, and more)
  • Analyze client environments and develop bestpractice solutions tailored to their business needs
  • Act as the final technical escalation for complex support challenges
  • Lead the technical services team in deploying IT standards and best practices
  • Research, evaluate, and recommend new technologies and solutions
  • Manage and deploy servers, storage, cloud environments and network systems
  • Develop accurate time and materials estimates for projects
  • Document all deployed solutions and repeatable processes
  • Collaborate with stakeholders to gather requirements and translate them into technical specifications
  • Analyze business processes and identify opportunities for improvement
  • Conduct system testing, validation, and performance monitoring
  • Provide training and support to endusers and internal teams
  • Ensure systems and processes comply with industry regulations and standards
  • Conduct audits and assessments of new and existing solutions
  • Stay current with emerging technologies, methodologies, and best practices


What You Bring

  • Bachelor's degree in Computer Science, IT, or a related field, OR proven experience as a Sr. Systems Engineer, IT Systems Analyst, or similar senior technical role
  • Mastery of troubleshooting and deep expertise in servers, storage, networking, and infrastructure design
  • Strong understanding of business processes and how technology can improve them
  • Proficiency in system analysis, design methodologies, and documentation
  • Experience with database systems, cloud platforms, and software development concepts
  • Excellent analytical, problemsolving, and communication skills
  • Ability to work independently and collaboratively
  • Strong leadership presence and the ability to guide technical teams
  • Valid Ontario driver's license


Extra GREAT (Nice to Have)

  • Experience in an MSP environment
  • Certifications in systems engineering, cloud, networking, or systems analysis
  • Experience with compliance frameworks, audits, and regulatory requirements
  • Familiarity with PSA/CRM tools
  • Previous experience designing enterpriselevel IT solutions


Why You'll Love Working Here

At Great White North, we believe in empowering our team with the tools, support, and flexibility they need to thrive. You'll enjoy:

  • A collaborative, highperforming team
  • Paid family health benefits after 6 months
  • One additional vacation day for every year of service
  • Performancebased bonus opportunities
  • Flexible work schedules - because life happens
  • Companysponsored team events throughout the year
  • A culture that values innovation, growth, and FUN


If you're ready to lead, innovate, and build solutions that make a real impact, we'd love to meet you.

Apply