Cognizant

Senior AS400 Application Support Engineer

Cognizant$74K — $115K *
Information Technology
5 - 7 years of experience
Job Overview by Ladders

Qualifications

  • Strong experience supporting and maintaining IBM i (AS400) applications in enterprise environments.
  • Hands-on experience with RPGLE, RPG, SYNON, COBOL, CLP, and SQL development and support.
  • Experience troubleshooting production incidents, batch processing failures, and application performance issues.
  • Experience supporting application integrations, data validation, and production support processes.
  • Strong analytical and problem-solving skills with the ability to diagnose and resolve complex technical issues.
  • Experience gathering business requirements and translating them into technical solutions.
  • Excellent communication and stakeholder management skills.
  • Ability to work effectively in a remote environment while collaborating with geographically distributed teams.

Responsibilities

  • Monitor AS400 batch cycles, production jobs, and system performance to proactively identify and resolve issues.
  • Troubleshoot and resolve production incidents, defects, and application issues while meeting established service level agreements.
  • Analyze, develop, maintain, and enhance applications using RPGLE, RPG, SYNON, COBOL, CLP, and SQL.
  • Collaborate with business users to gather requirements and translate them into technical solutions and specifications.
  • Support modernization initiatives by documenting business processes and identifying system gaps.
  • Perform data analysis and reconciliation activities to ensure data accuracy across applications.
  • Review code changes, provide technical guidance, and support testing, deployment, release, and post-production activities.

Benefits

  • Comprehensive health, dental, and vision benefits
  • Life insurance and disability coverage
  • Employee and Family Assistance Program (EFAP)
  • Registered Retirement Savings Plan (RRSP)
  • Paid vacation and personal days
  • Paid statutory holidays
  • Parental and family leave programs
  • Learning and development opportunities, including training and certification programs
  • Employee wellness and mental health programs
  • Associate recognition and rewards programs
Full Job Description
About the role

As a Senior AS400 Application Support Engineer, you will make an impact by ensuring the stability, reliability, and continuous enhancement of business-critical applications running on the IBM i (AS400) platform. You will be a valued member of the Application Support team and collaborate with business stakeholders, development teams, and client partners to support enterprise systems while contributing to modernization and transformation initiatives.

In this role, you will:
  • Monitor AS400 batch cycles, production jobs, and system performance to proactively identify and resolve issues before they impact business operations.
  • Troubleshoot and resolve production incidents, defects, and application issues while meeting established service level agreements.
  • Analyze, develop, maintain, and enhance applications using RPGLE, RPG, SYNON, COBOL, CLP, and SQL.
  • Collaborate with business users to gather requirements and translate them into technical solutions and specifications.
  • Support modernization initiatives by documenting business processes, identifying system gaps, and validating integration processes and data flows.
  • Perform data analysis and reconciliation activities to ensure data accuracy across applications and reporting environments.
  • Review code changes, provide technical guidance, and support testing, deployment, release, and post-production activities.
  • Partner with cross-functional teams to drive operational excellence, continuous improvement, and application reliability.

Work model

We strive to provide flexibility wherever possible. Based on this role's business requirements, this is a remote position open to qualified applicants in Mississauga, Ontario, Canada. 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.

What you need to have to be considered
  • Strong experience supporting and maintaining IBM i (AS400) applications in enterprise environments.
  • Hands-on experience with RPGLE, RPG, SYNON, COBOL, CLP, and SQL development and support.
  • Experience troubleshooting production incidents, batch processing failures, and application performance issues.
  • Experience supporting application integrations, data validation, and production support processes.
  • Strong analytical and problem-solving skills with the ability to diagnose and resolve complex technical issues.
  • Experience gathering business requirements and translating them into technical solutions.
  • Excellent communication and stakeholder management skills.
  • Ability to work effectively in a remote environment while collaborating with geographically distributed teams.

These will help you stand out
  • Experience supporting retail, merchandising, or supply chain applications.
  • Exposure to enterprise application modernization and transformation initiatives.
  • Experience mentoring junior developers or support engineers.
  • Knowledge of enterprise integration patterns and data migration processes.
  • Familiarity with Agile delivery methodologies.
  • Experience working within global delivery and onshore-offshore models.

Applications accepted until October 8 th , 2026.

Salary and Other Compensation

The annual salary for this position is between CAD $74,250 and CAD $115,500, depending on experience, skills, qualifications, and other job-related factors. In addition to base salary, eligible associates may participate in Cognizant's discretionary annual incentive program, subject to the terms of the applicable plan. Pay ranges are reviewed regularly and may vary based on geographic location, market conditions, and business needs.

Benefits

Cognizant offers the following benefits for eligible associates:
  • Comprehensive health, dental, and vision benefits
  • Life insurance and disability coverage
  • Employee and Family Assistance Program (EFAP)
  • Registered Retirement Savings Plan (RRSP)
  • Paid vacation and personal days
  • Paid statutory holidays
  • Parental and family leave programs
  • Learning and development opportunities, including training and certification programs
  • Employee wellness and mental health programs
  • Associate recognition and rewards 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.

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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.

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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.

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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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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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