Senior Mainframe Developer - PL/I, DB2, IMS, JCL
Astra North Infoteck Inc.
Senior Mainframe Developer – PL/I, DB2, IMS, JCL
Location: Canada – Remote
Experience Required: 8-10 years
Skills: Digital : Guidewire PolicyCenter | Mainframe DB2 - Application Development | System Z - JCL
Job Summary
We are looking for an experienced Mainframe Developer to support application enhancements, production support, and decommissioning initiatives within a complex enterprise environment. The role requires strong expertise in legacy systems, data management, and operational stability while contributing to modernization and retirement of applications. The ideal candidate will have hands-on experience in PL/I, DB2, IMS, and JCL, along with strong analytical and troubleshooting skills.
Job Requirements
• Design, develop, and implement enhancements to existing mainframe applications based on business requirements.
• Write, maintain, and optimize PL/I programs and JCL for batch and online processing.
• Work with DB2 and IMS databases for data processing, querying, and performance tuning.
• Provide Level 2/3 production and application support, including batch job monitoring, incident resolution, and root cause analysis.
• Ensure smooth execution of batch processes using scheduling tools such as Control-M and support change, incident, and problem management activities using tools like HPSM and JIRA.
• Utilize mainframe development and deployment tools such as ISPW for code management and promotion.
• Analyze legacy applications to identify decommissioning opportunities, including dependency mapping and impact analysis.
• Support data archival, migration, and validation as part of application retirement initiatives.
• Execute decommissioning activities in compliance with regulatory and data retention requirements.
• Collaborate with cross-functional teams and document system changes, processes, and decommissioning activities.
Required Qualifications
• Bachelor’s degree in Computer Science, Information Technology, or a related field.
• 4–7 years of experience in mainframe development and support roles.
• Strong hands-on experience with:
• PL/I
• DB2
• IMS
• JCL
• Experience with tools such as:
• Control-M
• ISPW
• HPSM
• JIRA
• Experience in application enhancements and production support.
• Knowledge of batch processing and job scheduling tools.
• Strong analytical, troubleshooting, and problem-solving skills.
Preferred Skills
• Experience with mainframe application decommissioning or modernization initiatives.
• Familiarity with Guidewire ClaimCenter (added advantage).
• Understanding of insurance domain.
• Exposure to Agile delivery models.
• Experience with data migration and archival strategies.
Key Competencies
• Strong attention to detail and quality focus.
• Excellent communication and collaboration skills.
• Ability to manage multiple priorities and deadlines.
• Proactive problem-solving and critical thinking.
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