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Mainframe Developer With Cobol Jobs in Ontario (NOW HIRING)

Mainframe experience: * COBOL, JCL, IMS DB/DC environment, IMS Databases, DB2, MQ, Endevor, CA7 ... Experience in integration with distributed technologies * Knowledge on Application Ownership, AI ...

Contributes to the overall success of Client Management & Engagement Engineering ensuring specific ... Collaborate with Delivery Lead to plan milestones, successfully execute software delivery, and ...

Oversee and guide the integration of legacy mainframe applications with cloud platforms products in ... Experience in technologies e.g., PLI, Cobol, IMS, DB2, CICS, API, Java, Python, DevOPs/SRE and test ...

... COBOL, mainframe, transactional systems) and modern technologies (microservices, REST APIs, cloud ... with ability to inspire engineers, QE and other relevant stakeholders with ownership mindset ...

About the role We are looking for an Associate Software Engineer to join a collaborative ... Experience with mainframe modernization, application decomposition, re-platforming, API enablement ...

About the role We are looking for an Associate Software Engineer to join a collaborative ... Experience with mainframe modernization, application decomposition, re-platforming, API enablement ...

Showing results 21-40

Mainframe Developer With Cobol information

What is a mainframe developer with COBOL?

Mainframe Developers with COBOL are IT professionals who specialize in developing, maintaining, and supporting applications that run on mainframe computers using the COBOL programming language. They work with legacy systems, often in industries like banking, insurance, or government, where mainframes are still prevalent due to their reliability and processing power. Their responsibilities include coding, debugging, testing, and optimizing COBOL programs, as well as integrating mainframe applications with newer technologies. Mainframe Developers also ensure the performance and security of mission-critical systems that handle large volumes of data.

What are the key skills and qualifications needed to thrive as a mainframe developer with COBOL?

To thrive as a Mainframe Developer with COBOL, you need expertise in COBOL programming, mainframe systems (such as IBM z/OS), JCL, and database management, typically supported by a degree in computer science or a related field. Familiarity with tools like TSO/ISPF, DB2, CICS, and source control systems is commonly required, and certifications in mainframe technologies can be advantageous. Strong problem-solving, attention to detail, and effective communication skills help you manage complex legacy systems and collaborate with cross-functional teams. These skills and qualifications are vital for maintaining, enhancing, and supporting critical business applications that rely on mainframe environments.

What are some common challenges faced by mainframe developers working with COBOL, and how can they be overcome?

Mainframe Developers working with COBOL often encounter challenges such as maintaining legacy code, integrating mainframe systems with modern technologies, and adapting to evolving business requirements. Legacy systems may lack proper documentation, making it crucial to develop strong debugging and reverse-engineering skills. Collaborating closely with business analysts and other IT teams helps ensure a clear understanding of requirements and smoother integration projects. Staying up-to-date with mainframe modernization tools and participating in knowledge-sharing sessions within your team can also help overcome these challenges and support career growth.

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

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

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

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

What cities in Ontario are hiring for Mainframe Developer With Cobol jobs?

Cities in Ontario with the most Mainframe Developer With Cobol job openings:

Infographic showing various Mainframe Developer With Cobol job openings in Ontario as of August 2026, with employment types broken down into 79% Full Time, 3% Part Time, and 18% Contract. Highlights an 81% Physical, 4% Hybrid, and 15% Remote job distribution.

Apps Sup Tech Lead Analyst (Mainframe) - Vice President

Mississauga, ON • On-site

Citi
Banking and Credit Intermediation • 5 - 10K employees

CA$120K - CA$170K/yr

Full-time

This job post has expired today. Applications are no longer accepted.


Citibank rating

8.4

Company rating: 8.4 out of 10

Based on 179 frontline employees who took The Breakroom Quiz

39th of 176 rated banks


Job description

The Apps Sup Tech Lead Analyst is a strategic professional who stays abreast of developments within own field and contributes to directional strategy by considering their application in own job and the business. Recognized technical authority for an area within the business. This is an individual contributor role.

Requires basic commercial awareness. There are typically multiple people within the business that provide the same level of subject matter expertise. Developed communication and diplomacy skills are required in order to guide, influence and convince others, in particular colleagues in other areas and occasional external customers.

Significant impact on the area through complex deliverables. Provides advice and counsel related to the technology or operations of the business. Work impacts an entire area, which eventually affects the overall performance and effectiveness of the sub-function/job family.

We are seeking a seasoned Application Support Technical Lead Analyst at the Vice President level for our Custody Settlements functions. Responsibilities: Drive production support readiness for key client onboarding and related migration activities , providing post onboarding support for ensuring client deliverable are met per SLAs. Collaborate with technology partners, infrastructure partners, Operational stakeholders during pre and post migration phases.

Enabling observability for client deliverables leveraging on existing infrastructure GCO/Open telemetry. Proactively identify and remediate stability risks, and analyze incident trends to drive long-term problem management solutions. Enforce ITIL best practices, enhance monitoring and procedural guidelines, and work to continuously improve operational scores across the application stack.

Perform incident ticket resolution to support BAU user queries and system incident ticket resolution. The Apps Support Tech Lead Analyst is responsible to partner with multiple technology teams to ensure appropriate integration of functions to meet goals; identify and define necessary system enhancements; analyze existing system logic, identify problems; and recommend and implements solutions. Provides expertise in area and an advanced level of understanding of the principles of apps support.

Formulates and defines systems scope and objectives for complex, high impact application enhancements and problem resolution through in-depth analysis and evaluation of complex business processes, systems and industry standards; documents requirements. Partners with multiple technology areas and management teams to ensure appropriate integration of functions to meet goals. Works closely with Product Owners, Business Analysts and Systems Analysts to determine and document Systems impacts and support requirements Identifies risks, vulnerabilities and security issues; communicates impact; proposes risk mitigation options.

Acts as advisor or coach to new or lower level analysts; allocates work. Provides in-depth analysis with interpretive thinking to define problems and develop innovative solutions. Persuades and influences others through strong and comprehensive communication and diplomacy skills Performs other duties and functions as assigned Appropriately assess risk when business decisions are made, demonstrating particular consideration for the firm's reputation and safeguarding Citigroup, its clients and assets, by driving compliance with applicable laws, rules and regulations, adhering to Policy, applying sound ethical judgment regarding personal behavior, conduct and business practices, and escalating, managing and reporting control issues with transparency.

Recommended Qualifications: 6 plus years of experience Practical problem solving and strategic thinking skills Demonstrated leadership, interpersonal skills and relationship building skills Service oriented attitude Knowledge of Securities Custody business is preferred Ability to work in a fast-paced environment Good interpersonal and communication skills Familiarity with Site Reliability Engineering (SRE) principles. Technical Qualifications: Mainframe Expertise: Deep knowledge of z/OS environments and proficiency in the following: Languages: COBOL, JCL Databases: DB2, VSAM Transaction Processing: CICS Debugging & Diagnostics: OMEGAMON, STROBE, INTERTEST, Xpediter. File Management: File-AID.

Source Control: Changeman Strong understanding of IBM MQ Series and file transfer protocols like Connect:Direct (NDM). Scheduling: Experience with enterprise scheduling tools such as OPC, Autosys, Control-M, or CA-7 Education: Bachelor's/University degree, Master's degree preferred or equivalent experience ------------------------------------------------------ Job Family Group: Technology ------------------------------------------------------ Job Family: Applications Support ------------------------------------------------------ Time Type: Full time ------------------------------------------------------ Primary Location Full Time Salary Range: $120,800.00 - $170,800.00 ------------------------------------------------------ Most Relevant Skills Please see the requirements listed above. ------------------------------------------------------ Other Relevant Skills For complementary skills, please see above and/or contact the recruiter

------------------------------------------------------ Automated Processing and AI We use automated processing, including artificial intelligence, for our legitimate business interests (or our reasonable and appropriate business purposes) to identify and align the candidate's skills and abilities with a specific job opening. Additionally, if you so choose, or consent, we can match your skills and abilities to other suitable roles at Citi. Importantly, all our hiring processes and decisions, including determining your suitability for a role, are conducted, checked, and decided by individuals.

Our automated processing and AI do not involve relying on automatic or autonomous decision-making. Please refer to any Jurisdictional Considerations, with specific provisions for your country (where relevant) for further details. ------------------------------------------------------ This job opening is for an existing job vacancy.

------------------------------------------------------ Citi is an equal opportunity employer, and qualified candidates will receive consideration without regard to their race, color, religion, sex, sexual orientation, gender identity, national origin, disability, status as a protected veteran, or any other characteristic protected by law. If you are a person with a disability and need a reasonable accommodation to use our search tools and/or apply for a career opportunity review Accessibility at Citi. View Citi's EEO Policy Statement and the Know Your Rights poster.


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About Citigroup Inc

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We live in an increasingly complex world. Companies these days are either born global or are going global at record speed. Business and geopolitics are forging an entirely new dynamic and consumers now expect financial services to be a seamless part of their digital lives. Citi is a bank that’s uniquely positioned for this moment. Through our vast global network and our on-the-ground expertise, we can connect the dots, anticipate change and empathize the needs of our clients and customers in ways that other banks simply cannot. Citi's mission is to serve as a trusted partner to our clients by responsibly providing financial services that enable growth and economic progress. We have set expectations for how we must act to bring our mission to life. These expectations are at the heart of our Leadership Principles – we take ownership, we deliver with pride and we succeed together.

Industry

Banking and credit intermediation

Company size

5,001 - 10,000 Employees

Headquarters location

New York City, NY, US