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Cobol Mainframe Developer Jobs in Ontario (NOW HIRING)

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Cobol Mainframe Developer information

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$20

$44

$68

How much do cobol mainframe developer jobs pay per hour?

As of Sep 3, 2026, the average hourly pay for cobol mainframe developer in Ontario is $44.75, according to ZipRecruiter salary data. Most workers in this role earn between $36.06 and $52.16 per hour, depending on experience, location, and employer.

What does a COBOL mainframe developer do?

As a COBOL mainframe developer, your primary responsibilities include designing new computer programs using the COBOL programming language. Your duties are to design, develop, and configure code for new programs, test these programs to make sure they function on the intended operating system, and implement adjustments needed. Once that process is complete, you launch the program for public or private use and provide support and upgrades to the user. You should have extensive knowledge and experience working with software development, and if you are working in IT for a company, you should be able to troubleshoot their current mainframe. Teaching others about what you have developed and making sure they understand how to use it are also your responsibility.

What does a COBOL mainframe developer do?

A COBOL Mainframe Developer is responsible for designing, developing, testing, and maintaining applications that run on mainframe computers using the COBOL programming language. These developers often work with legacy systems in industries like banking, insurance, and government, ensuring that critical business processes continue to function smoothly. Their tasks may include writing new code, updating existing programs, debugging, and integrating mainframe applications with modern technologies. COBOL Mainframe Developers also collaborate with business analysts and other IT professionals to meet organizational needs and regulatory requirements.

What are the key skills and qualifications needed to thrive as a COBOL mainframe developer, and why are they important?

To thrive as a COBOL Mainframe Developer, you need strong proficiency in COBOL programming, mainframe systems (such as IBM z/OS), and a background in computer science or a related field. Familiarity with tools like JCL, DB2, CICS, and source control systems, along with relevant certifications, is highly beneficial. Attention to detail, problem-solving abilities, and effective communication are crucial soft skills for diagnosing issues and collaborating with cross-functional teams. These competencies ensure reliability, accuracy, and efficiency in maintaining and modernizing critical legacy systems.

What are some typical challenges faced by COBOL mainframe developers when maintaining legacy systems?

Cobol Mainframe Developers often encounter challenges with outdated documentation, making it difficult to understand and modify legacy code. Integrating new technologies or adapting legacy systems to modern infrastructure can also be complex, requiring careful planning and testing. Additionally, communicating with business users to gather requirements and ensure system changes meet current needs is essential, as is collaborating with other IT professionals to manage dependencies and minimize downtime. Staying proactive about learning modernization tools and approaches can help address these challenges.

What are popular job titles related to Cobol Mainframe Developer jobs in Ontario?

For Cobol Mainframe Developer jobs in Ontario, the most frequently searched job titles are:

What job categories do people searching Cobol Mainframe Developer jobs in Ontario look for?

The top searched job categories for Cobol Mainframe Developer jobs in Ontario are:

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Infographic showing various Cobol Mainframe Developer job openings in Ontario as of August 2026, with employment types broken down into 38% Full Time, and 62% Contract. Highlights an 85% In-person, and 15% Remote job distribution, with an average salary of $93,080 per year, or $44.8 per hour.

Lead C/C++ Developer (Voltage SecureData)

Open Text Corporation

Mississauga, ON • On-site

CA$118K - CA$168K/yr

Temporary

PTO

This job post has expired 1 day ago. Applications are no longer accepted.


Job description

Hiring Manager: Wenjie Yao

Talent Acquisition Advisor: Krunal Patel

Job Code Level: DSP4

Refer Your Friends!

AI-First. Future-Driven. Human-Centered.

At OpenText, AI is at the heart of everything we do-powering innovation, transforming work, and empowering digital knowledge workers. We are hiring talent AI can't replace to help us shape the future of information management. Join us.


Job: Lead Software Developer

Team: Voltage SecureData
Location: Richmond Hill / Mississauga / Ottawa / Waterloo, ON, Canada (office-based)

About Our Product

OpenText Voltage SecureData is a leading data-centric encryption platform protecting sensitive information across cloud, on-premises, and mainframe environments.

We are expanding our Voltage SecureData development team and looking for a hands-on Lead Software Developer to build and enhance secure, scalable cryptographic libraries, SDKs, and platform integrations used by organizations worldwide. You will work across software development, cybersecurity, cryptography, and cross-platform development to solve complex technical challenges and deliver enterprise-grade security solutions.

This position requires employees to be based near and work from one of OpenText's Canadian office locations. Specific work arrangements will align with current OpenText workplace policies.

Your Impact:

As a member of the Voltage SecureData development g team, you will:

Design, develop, and maintain security-critical software components using C/C++, Java, and C#/.NET.
Build and enhance cryptographic libraries, SDKs, APIs, and cross-platform integrations.
Develop portable solutions across Linux, Windows, macOS, UNIX, IBM z/OS, and HPE NonStop environments.
Lead technical design discussions, code reviews, architecture decisions, and development best practices.
Improve software quality through automation, testing, CI/CD pipelines, and modern development practices.
Troubleshoot complex client and platform issues and deliver scalable solutions.
Mentor developers and collaborate with QA, product, and development teams to deliver secure, reliable software.

What you need to succeed:

7+ years of professional software development experience with strong expertise in C/C++.
Strong systems programming experience across Linux, Windows, or UNIX-based platforms.
Experience building portable, cross-platform enterprise software.
Solid understanding of applied cryptography, including encryption, TLS/SSL, certificates, key management, and authentication.
Experience with API design, native integrations, SDK development, and CI/CD tools such as CMake, GitLab CI, or Jenkins.
Experience leading technical discussions, mentoring developers, and driving development improvements.
Excellent written and verbal communication skills in English.
Must be able to work from one of OpenText's Canadian office locations and collaborate effectively with distributed global teams.

Preferred Qualifications:
Experience with PKCS#11, HSM integrations, or security platforms (nCipher, Atalla, Thales Luna).
Knowledge of FIPS 140, post-quantum cryptography, PCI-DSS, EMV, or ISO 8583 standards.
Experience with IBM z/OS, HPE NonStop, COBOL/native interfaces, or other enterprise platforms.

Hands-on experience with Java, and C#/.NET development.
Experience with AI-assisted development tools in production development environments.

One last thing:

OpenText is more than just a corporation, it's a global community where trust is foundational, the bar is raised, and outcomes are owned.

Join us on our mission to drive positive change through privacy, technology, and collaboration. At OpenText, we don't just have a culture; we have character. Choose us because you want to be part of a company that embraces innovation and empowers its employees to make a difference.

#LI-KP2


OpenText's commitment to diversity and inclusion surpasses legal requirements, evident in our Equal Employment Opportunity Statement of Policy which promotes a respectful and empowering environment for employees of all backgrounds, culture, national origin, race, color, gender, gender identification, sexual orientation, family status, age, veteran status, disability, religion, or other basis protected by applicable laws.

If you need assistance and/or a reasonable accommodation due to a disability during the application or recruiting process, please submit a ticket at Ask HR. Our proactive approach fosters collaboration, innovation, and personal growth, enriching OpenText's vibrant workplace.

Compensation: At OpenText, we offer a thoughtfully designed benefits package that supports your physical, emotional, and financial wellbeing. As you move through the hiring process, we're happy to provide more details about our compensation programs, including variable and commission compensation opportunities for eligible roles, vacation entitlement, and paid time off.

Salary Range: $118,000.00 - $168,000.00; Depending on the candidate's education, experience, skills, geographical location, and alignment with internal equity and external market, actual salary may vary and be higher or lower than the range posted.

AI Usage Disclosure: As part of our commitment to transparency, we use artificial intelligence (AI) tools to assist in various stages of our recruitment process, including resume screening, candidate matching, interview scheduling, and communications. These tools are designed to improve efficiency, reduce bias, and enhance candidate experience. All decisions regarding hiring are made by qualified human professionals, and we continuously monitor our AI systems to ensure fairness and compliance with applicable regulations.

Employment Type: TEMPORARY