We are seeking an experienced Mainframe Developer to design, develop, maintain, and enhance enterprise-scale mainframe applications. The ideal candidate will possess strong expertise in COBOL, CICS, JCL, DB2, IMS, and related mainframe technologies, with a proven ability to support critical business systems, troubleshoot production issues, and deliver high-quality software solutions.
In this role, you will:
· Design, develop, and implement mainframe applications and system enhancements.
· Develop and maintain programs using COBOL, CICS, JCL, DB2, IMS DB/DC, and VSAM.
· Work with XML, SAS applications, and TIBCO integrations to support enterprise data processing needs.
· Analyse business requirements and translate them into technical solutions.
· Perform coding, unit testing, debugging, and system integration activities.
· Support production systems by troubleshooting issues and resolving defects promptly.
Work model
We believe hybrid work is the way forward as we strive to provide flexibility wherever possible. Based on this role’s business requirements, this is a hybrid position requiring 2 days a week in a client or Cognizant office in Toronto, ON. Regardless of your working arrangement, we are here to support a healthy work-life balance though our various wellbeing programs.
The working arrangements for this role are accurate as of the date of posting. This may change based on the project you’re engaged in, as well as business and client requirements. Rest assured; we will always be clear about role expectations.
What you need to have to be considered
· Strong experience with COBOL, CICS, JCL, and DB2 development.
· Hands-on expertise in IMS DB/DC, VSAM, TSO, and Host/Mainframe environments.
· Experience designing and developing complex mainframe applications.
· Proficiency working with XML and enterprise data integration solutions.
· Knowledge of SAS and SAS-based applications within a mainframe ecosystem.
· Experience with Mainframe Automation Testing tools and methodologies.
· Familiarity with TIBCO integration technologies and middleware platforms.
These will help you stand out
· Experience working in Agile and DevOps environments.
· Knowledge of application modernisation and legacy system migration initiatives.
We're excited to meet people who share our mission and can make an impact in a variety of ways. Don't hesitate to apply, even if you only meet the minimum requirements listed. Think about your transferable experiences and unique skills that make you stand out as someone who can bring new and exciting things to this role.
Total compensation - We regularly assess market data to ensure we offer a competitive compensation package for our associates. The base salary for this position ranges between CAD 71100– CAD 112000 per year. Where the successful candidate may fall within the range depends on relevant education, work and/or management experience and other business-related and job-necessary qualifications. This position is also eligible for Cognizant’s discretionary annual performance-based bonus, as well as benefits that support your physical, mental and financial wellbeing.
About Cognizant
Cognizant (Nasdaq: CTSH) is an AI Builder and technology services provider, bridging the gap between AI investment and enterprise value by building full-stack AI solutions for our clients. Our deep industry, process and engineering expertise enables us to build an organization’s unique context into technology systems that amplify human potential, drive tangible outcomes and keep global enterprises ahead in a fast-changing world. See how at cognizant.ai or @cognizant.
Things to know before you apply
- Work authorization: Cognizant will only consider applicants for this position who are legally authorized to work in Canada without requiring employer sponsorship, now or at any time in the future.
- Accommodations: If you have a disability that requires reasonable accommodation to search for a job opening or submit an application, please email [email protected] with your request and contact information.
- AI in hiring: We use artificial intelligence (AI) tools to help us screen and assess applications more efficiently. Our team performs additional human review and ultimately decides who moves forward in our hiring process.
- Open position: Unless otherwise stated, this job posting is for an open position on our team.
- Language proficiency: We ask that all candidates have basic English proficiency for company-wide communications purposes. For roles based in Quebec, professional English proficiency is required, as you’ll deliver services to and collaborate with stakeholders outside the province who may not speak French.
- Inclusion: Cognizant is an equal opportunity employer. Your application and candidacy will not be considered based on race, color, sex, religion, creed, sexual orientation, gender identity, national origin, disability, genetic information, pregnancy, veteran status or any other characteristic protected by federal, provincial or local laws.











