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Operating Systems Programmer Jobs in Ontario (NOW HIRING)

... operating systems and software * Contribute to system design models, specifications, diagrams, and charts to provide direction to system programmer and development teams. * Perform server and ...

Senior Systems Specialist

Markham, ON ยท Hybrid

CA$115K - CA$164K/yr

As a Senior Systems Engineer , you will be at the heart of this transformation-leading systems ... Experience in one or more platform domains, such as embedded/real-time operating systems ...

Systems Engineer - Ibex Elevators

Guelph, ON ยท On-site

CA$95K - CA$135K/yr

Ibex leverages patented technology to help building owners and operators improve tenant comfort ... Role Overview Ibex is seeking a Systems Engineer with strong hardware capabilities to take ...

Ibex leverages patented technology to help building owners and operators improve tenant comfort ... Role Overview Ibex is seeking a Systems Engineer with strong hardware capabilities to take ...

Hands-on knowledge of Windows and Linux operating systems in enterprise deployments * Experience ... Collaboration with experienced engineers, architects, product leaders, and sales professionals * A ...

Reporting to the Senior Manager , the Senior System Engineer will provide support of Finastra ... Experience with IBM Datapower, Unix, and Windows operating systems. * Experience with Qualys ...

... Engineering. * Experience in an IT-related position that included maintaining Linux server infrastructure. * Expert level knowledge of Linux operating systems. * Solid knowledge of infrastructure ...

The Cora Group is looking for a Lead Systems Engineer that has a passion for technology, if you are ... operating systems, messaging, and database services, reporting platforms, terminal services, VPN ...

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Operating Systems Programmer information

See Ontario salary details

$14K

$99.7K

$173.5K

How much do operating systems programmer jobs pay per year?

As of Jun 19, 2026, the average yearly pay for operating systems programmer in Ontario is $99,745.00, according to ZipRecruiter salary data. Most workers in this role earn between $74,500.00 and $120,000.00 per year, depending on experience, location, and employer.

What are the key skills and qualifications needed to thrive as an Operating Systems Programmer, and why are they important?

To thrive as an Operating Systems Programmer, you need strong programming skills in languages like C and C++, a solid understanding of computer architecture, and a degree in computer science or a related field. Familiarity with version control systems (e.g., Git), debugging tools, and experience with Unix/Linux or Windows kernel development are typically required. Analytical thinking, attention to detail, and effective problem-solving are critical soft skills for diagnosing and resolving complex system-level issues. These skills ensure the reliability, efficiency, and security of operating systems that form the foundation for all computer applications.

What are some common challenges faced by Operating Systems Programmers in maintaining and updating legacy systems?

Operating Systems Programmers often encounter the challenge of maintaining and updating legacy systems, which can involve working with outdated programming languages, limited documentation, and hardware constraints. Adapting legacy code to integrate with modern technologies while ensuring system stability and security requires both technical expertise and creative problem-solving. Collaboration with hardware engineers and application developers is often necessary to address compatibility issues and deliver seamless updates. Staying up-to-date with industry best practices and emerging OS trends helps programmers anticipate and address these challenges effectively.

What is the difference between Operating Systems Programmer vs Device Driver Developer?

AspectOperating Systems ProgrammerDevice Driver Developer
Required CredentialsBachelor's in Computer Science or related field; programming skills in C/C++Bachelor's in Computer Engineering or related; expertise in hardware interfaces and C/C++
Work EnvironmentDevelops core OS components, often in a system programming environmentCreates and maintains hardware-specific drivers, often within OS or hardware teams
Employer & Industry UsageUsed by OS vendors, tech companies, and embedded systemsUsed by hardware manufacturers, OS vendors, and embedded systems

Both roles require strong programming skills in C/C++, but Operating Systems Programmers focus on core OS development, while Device Driver Developers specialize in hardware interface software. The roles often overlap but differ in scope and focus within the system architecture.

What are Operating Systems Programmers?

Operating Systems Programmers are specialized software engineers who design, develop, maintain, and optimize operating systems such as Windows, Linux, or macOS. Their work involves writing low-level code that manages hardware resources, handles system processes, and provides a platform for application software to run efficiently. They often work with programming languages like C, C++, and assembly, and need a deep understanding of computer architecture and system-level programming. Their role is crucial in ensuring the stability, security, and performance of computers and devices.
What are popular job titles related to Operating Systems Programmer jobs in Ontario? For Operating Systems Programmer jobs in Ontario, the most frequently searched job titles are:
What job categories do people searching Operating Systems Programmer jobs in Ontario look for? The top searched job categories for Operating Systems Programmer jobs in Ontario are:
Infographic showing various Operating Systems Programmer job openings in Ontario as of June 2026, with employment types broken down into 1% As Needed, 65% Full Time, 28% Part Time, and 6% Temporary. Highlights an 96% Physical, 1% Hybrid, and 3% Remote job distribution, with an average salary of $99,745 per year, or $48 per hour.

Mainframe z/OS Systems Programmer

BMO Capital Markets

Toronto, ON โ€ข Hybrid

CA$75K - CA$141K/yr

Other

Medical, Life, Retirement

Posted 3 days ago


Job description

Application Deadline:

08/30/2026

Address:

4100 Gordon Baker Road

Job Family Group:

Technology

As a Mainframe z/OS Systems Programmer, you will be responsible for developing and implementing IT mainframe infrastructure and platform strategies. Your role will involve ensuring the reliability and security of our mainframe systems, supporting disaster recovery procedures, and collaborating with stakeholders to recommend infrastructure solutions. Your expertise in z/OS system skills will be crucial in maintaining and upgrading our mainframe environment. This is a hybrid role and will require a minimum of 2 days in our Scarborough office.

Key Responsibilities:

  • Develop and implement IT mainframe infrastructure and platform strategies to support business needs and growth.

  • Design, build, install, test, maintain, monitor, and upgrade mainframe infrastructure.

  • Manage current and future technical platform hardware, operating systems, security, and system services layers.

  • Ensure reliable and secure computing and communications capabilities to run business software with optimal cost and availability.

  • Support disaster recovery procedures and troubleshoot network and connectivity issues promptly to minimize disruption.

  • Collaborate with stakeholders to recommend infrastructure solutions based on engineering requirements.

  • Build effective relationships with internal and external stakeholders to support strategic initiatives.

  • Conduct independent analysis and assessment to resolve strategic issues.

  • Break down strategic problems, analyze data, and provide insights and recommendations.

  • Ensure infrastructure solutions are scalable, flexible, supportable, fully monitored, and standardized.

  • Identify opportunities to strengthen the technology organization by sharing expertise, mentoring employees, and building communities of practice.

  • Stay abreast of industry trends through professional associations, practice communities, and individual learning.

  • Exercise judgment to identify, diagnose, and solve problems within given rules.

  • Work independently on a range of complex tasks, including unique situations.

  • Additional responsibilities as assigned.

Qualifications:

  • Bachelor's degree in Computer Science, Information Technology, or a related field.

  • Typically, between 5-7 years of relevant experience, or an equivalent combination of education and experience.

  • Comfortable with mainframe tools/components such as TSO, ISPF, NetView, RACF, SMP, and TCP/IP.

  • Working knowledge of mainframe concepts such as LPARs, SYSPLEX, and MVS.

  • Expert knowledge in Unix System Services, RACF, Certificates

  • Possesses a deep understanding and problem-solving ability leveraging logs and dumps

  • Capable of installing, maintaining, and upgrading mainframe software in z/OS using SMP/E

  • Strong verbal and written communication skills.

  • Excellent collaboration and team skills.

  • In-depth analytical and problem-solving skills.

  • Data-driven decision-making abilities.

Nice to Have:

  • Working knowledge of z/OS, Vanguard and Broadcom products, TCP/IP

Salary:

$75,900.00 - $141,900.00

Pay Type:

Salaried

The above represents BMO Financial Group's pay range and type.

Salaries will vary based on factors such as location, skills, experience, education, and qualifications for the role, and may include a commission structure. Salaries for part-time roles will be pro-rated based on number of hours regularly worked. For commission roles, the salary listed above represents BMO Financial Group's expected target for the first year in this position.

BMO Financial Group's total compensation package will vary based on the pay type of the position and may include performance-based incentives, discretionary bonuses, as well as other perks and rewards. BMO also offers health insurance, tuition reimbursement, accident and life insurance, and retirement savings plans. To view more details of our benefits, please visit:https://jobs.bmo.com/global/en/Total-Rewards

About Us

At BMO we are driven by a shared Purpose: Boldly Grow the Good in business and life. It calls on us to create lasting, positive change for our customers, our communities and our people. By working together, innovating and pushing boundaries, we transform lives and businesses, and power economic growth around the world.

As a member of the BMO team you are valued, respected and heard, and you have more ways to grow and make an impact. We strive to help you make an impact from day one - for yourself and our customers. We'll support you with the tools and resources you need to reach new milestones, as you help our customers reach theirs. From in-depth training and coaching, to manager support and network-building opportunities, we'll help you gain valuable experience, and broaden your skillset.

To find out more visit us at https://jobs.bmo.com/ca/en.

BMO is committed to an inclusive, equitable and accessible workplace. By learning from each other's differences, we gain strength through our people and our perspectives. Accommodations are available on request for candidates taking part in all aspects of the selection process. To request accommodation, please contact your recruiter.

Note to Recruiters: BMO does not accept unsolicited resumes from any source other than directly from a candidate. Any unsolicited resumes sent to BMO, directly or indirectly, will be considered BMO property. BMO will not pay a fee for any placement resulting from the receipt of an unsolicited resume. A recruiting agency must first have a valid, written and fully executed agency agreement contract for service to submit resumes.