Senior Mainframe Developer Job Ottawa area,Ontario Canada,Software Development

Lead the design, development, testing, implementation, and maintenance of applications using COBOL, CICS, JCL, VSAM, IDMS and SORT utilities

Own and drive end-to-end delivery of projects, enhancements, defects, and production fixes, ensuring quality, timeliness, and business alignment

Analyze business requirements and translate them into scalable, maintainable, and reliable technical solutions

Prepare technical design documents, impact assessments, implementation plans, data flow analysis, and interface specifications

Collaborate with business stakeholders to understand requirements, identify risks, and propose practical and strategic solutions

Mentor and guide junior and intermediate developers, conduct code reviews, and promote engineering standards and best practices

Act as a trusted technical resource for application knowledge, design guidance, code quality, troubleshooting, and delivery risk management

Lead troubleshooting, root-cause analysis, and resolution of complex production issues, ensuring minimal business impact

Lead or contribute to modernization and integration initiatives, including impact assessment, interface design, data flow analysis, API or middleware integration, and safe migration strategies

Participate in and support release planning, deployment, post-production validation, and operational readiness activities

Participate in an on-call support rotation, including occasional weekends or off-hours

Ensure adherence to development standards, documentation, security, audit, and compliance requirements

Collaborate effectively with global teams, including onshore, offshore, business, QA, infrastructure, architecture, support, and cross-functional partners

Proactively identify risks, dependencies, technical debt, and opportunities to improve system stability, delivery effectiveness, and team capability

Required Qualifications
Bachelor's Degree holder with 8+ years of hands-on Mainframe application development experience

Strong hands-on expertise in:

COBOLCICSJCLVSAMIDMS/DB2

SORT utilities

Excellent understanding of designing and developing applications in Mainframe technologies

Strong experience supporting both batch and online mainframe applications

Strong solutioning mindset with ability to design and implement technical solutions

Demonstrated ownership mindset with the ability to work through ambiguity, proactively identify risks, and drive issues to closure

Ability to quickly learn complex legacy applications, business processes, data flows, and integration points

Willing to provide application support as needed and on rotation

Ability to collaborate with multiple business teams and solve complex issues

Strong analytical and problem-solving abilities

Excellent communication, collaboration, and stakeholder-management skills

Experience with enterprise systems integration

Knowledge of security best practices and compliance requirements

Ability to work independently and as part of a distributed team

Strong team orientation with the ability and willingness to mentor team members and raise overall team capability

Preferred Qualifications

Exposure to RPG

Experience with Lotus Notes application development or support

Understanding of API development, integration, or modernization strategies

Experience with MQ, middleware, file-transfer patterns, or enterprise integration approaches

Familiarity with Agile/Scrum methodologies

Experience working inorder management, fulfillment, supply chain, finance, or other high-volume transactional systems

Strong experience in production support and incident management

Experience with tools such as TSO/ISPF, File-AID, Xpediter, Endevor, Changeman, Control-M, CA7, or similar mainframe development and scheduling tools

Experience working with globally distributed teams,…