Cognizant

Lead Mainframe Developer

Cognizant$71K — $112K *
Information Technology
8 - 10 years of experience
Job Overview by Ladders

Qualifications

  • 8+ years of hands-on mainframe development and support experience
  • Strong expertise in COBOL, JCL, DB2, and VSAM on IBM z/OS
  • Proven abilities in analyzing, designing, coding, and testing enterprise applications
  • Experience leading technical teams and independent contribution on complex projects
  • Strong troubleshooting skills for production incidents and operational issues
  • Knowledge of secure development practices and compliance requirements
  • Effective collaboration with onshore and offshore teams in client-facing roles
  • Willingness to participate in rotational support activities if needed

Responsibilities

  • Lead the analysis, design, development, testing, implementation, and support of mainframe applications
  • Collaborate with stakeholders to understand requirements and deliver solutions
  • Develop and maintain applications while ensuring coding and quality standards
  • Coordinate offshore teams, review deliverables, and support production implementations
  • Investigate and resolve production incidents and recommend operational improvements

Benefits

  • Medical, dental, and vision coverage
  • Life and disability insurance
  • Employee assistance program (EAP)
  • Registered retirement savings and savings programs
  • Paid vacation and company holidays
  • Wellbeing and mental health programs
  • Learning and professional development opportunities
  • Employee recognition programs
Full Job Description
About the Role

As a Lead Mainframe Developer you will make an impact by leading the development, support, and modernization of critical mainframe applications supporting enterprise banking operations. You will be a valued member of the delivery team, working closely with client stakeholders, offshore teams, architects, business analysts, and production support teams to ensure the stability, performance, and continuous improvement of mission-critical systems.

In This Role, You Will:
  • Lead the analysis, design, development, testing, implementation, and support of mainframe applications on the IBM z/OS platform.
  • Collaborate with business and technical stakeholders to understand requirements, assess impacts, and deliver effective solutions.
  • Develop and maintain applications using COBOL, DB2, JCL, and VSAM technologies while ensuring adherence to coding and quality standards.
  • Coordinate offshore delivery teams, review deliverables, and drive successful production implementations.
  • Investigate and resolve production incidents, job failures, and application issues while recommending operational improvements and preventive measures.

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 3 days per week in a client or Cognizant office in Toronto, Ontario. Regardless of your working arrangement, we are here to support a healthy work-life balance through 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.

*Please note that this position is not eligible for visa transfer or sponsorship now or at any time in the future*

What You Need to Have to Be Considered
  • 8+ years of hands-on experience in mainframe development and support.
  • Strong expertise in COBOL, JCL, DB2, and VSAM within IBM z/OS environments.
  • Proven experience analyzing, designing, coding, testing, documenting, and supporting enterprise applications.
  • Experience leading technical teams and serving as an independent contributor on complex initiatives.
  • Strong troubleshooting skills with experience resolving production incidents, job failures, and operational issues.
  • Understanding of secure development practices, compliance requirements, and production support processes.
  • Ability to collaborate effectively with onshore and offshore teams in a client-facing environment.
  • Flexibility to participate in rotational support activities when business needs require.

These Will Help You Stand Out
  • Experience with CICS and IBM MQ (MQ Series).
  • Background in banking or financial services environments.
  • Experience supporting large-scale technology transformation initiatives.
  • Ability to influence design decisions with a strong focus on customer experience and operational excellence.
  • Experience driving continuous improvement and implementing best practices across application support and delivery teams.

Applications will be accepted until October 9, 2026

Salary and Other Compensation

The annual salary for this position is between CAD $71,000 - $112,000, depending on experience, qualifications, and other factors permitted by law. Compensation will be determined based on the successful candidate's skills, experience, and location.

Benefits

Cognizant offers the following benefits for employees in Canada, subject to eligibility requirements:
  • Medical, dental, and vision coverage
  • Life and disability insurance
  • Employee assistance program (EAP)
  • Registered retirement savings and savings programs
  • Paid vacation and company holidays
  • Wellbeing and mental health programs
  • Learning and professional development opportunities
  • Employee recognition programs

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.

About Cognizant

TriZetto is Powering Integrated Healthcare Management. With technology solutions touching more than half the U.S. population today, TriZetto is uniquely positioned to drive the convergence of core benefit administration, care management and constituent engagement. TriZetto provides premier information technology solutions that enable payers and other constituents in the healthcare supply chain to improve the coordination of benefits and care for healthcare consumers.

Cognizant Careers

Join the vibrant team at Cognizant, a leading provider of information technology, consulting, and business process services. Cognizant is not just a company; it's a community where innovation, leadership, and diversity are valued and where every team member is encouraged to thrive.

Work You’ll Do

At Cognizant, we are dedicated to helping the world's leading companies build stronger businesses — not just for today but for the future. This commitment to growth and sustainability is what makes Cognizant a unique place to advance your career.

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Whether you're looking for an entry-level position or a more senior role, Cognizant offers a plethora of job opportunities that could be perfect for you. Our hiring process is designed to be transparent and engaging, ensuring that every candidate is able to showcase their skills and potential fully.

Innovative Work

Join a team where innovation is at the core of everything we do. Cognizant’s professionals are not just part of a company; they're part of a groundbreaking environment that combines technology, insights, and leadership to foster innovation across global industries.

Internship Programs

Kickstart your career with Cognizant’s internship programs. These opportunities allow you to gain hands-on experience, develop your professional skills, and network with experts in your field. An internship at Cognizant is a stepping stone to full-time employment and a chance to see how your studies apply in the real world.

Professional Growth and Development

Cognizant is committed to the professional growth of its employees. With access to cutting-edge training, leadership programs, and diversity initiatives, you can build a career that’s equipped for the demands of tomorrow’s business landscape.

Benefits and Culture

Our employees enjoy a range of benefits designed to support their physical, financial, and emotional well-being. Cognizant’s culture is built on a foundation of respect and inclusivity, where everyone’s contribution is valued. Join us and be part of a team that celebrates diversity and is driven to make a positive impact on the world.

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Enhance your career prospects at Cognizant through our robust networking events. Prepare your resume, sharpen your interview skills, and connect with leaders across the industry to unlock new career paths. At Cognizant, we don’t just offer jobs; we offer career journeys. Be part of a team that’s committed to your long-term career growth and professional development. Join Cognizant today and be a part of our success story.
Learn more about Cognizant
Size
340,400 employees
Market Cap
$28.7 billion
Industry
Net Income
$1.3 billion
Founded
1994
5 Year Trend
+6.5%
Revenue
$16.6 billion
NASDAQ

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