Role Overview

- Lead and execute large-scale mainframe modernization and rehosting initiatives.
- Drive end-to-end transformation activities from assessment through migration and post-migration optimization.
- Provide hands-on technical expertise across mainframe technologies, rehosting platforms, and Azure cloud modernization.

Key Responsibilities

Mainframe Rehosting & Modernization
- Lead mainframe rehosting initiatives using:
- Raincode
- Micro Focus
- Define and execute:
- Rehosting (Lift & Shift) strategies
- Replatforming approaches
- Selective refactoring strategies
- Drive mainframe transformation programs.
- Develop modernization roadmaps, timelines, and execution plans.

Hands-On Application Transformation
- Perform technical transformation activities on legacy systems built with:
- COBOL
- PL/I
- Assembler
- CICS
- Analyze and modernize applications based on:
- JCL
- IMS
- DB2
- VSAM
- Execute:
- Code remediation
- Conversion validation
- Runtime behavior fixes
- Support Eztrieve-based applications as needed.

Database Migration & Data Transformation
- Lead DB2 to SQL Server migration activities.
- Define:
- Data mapping strategies
- Data transformation approaches
- Reconciliation processes
- Validation processes
- Ensure:
- Data integrity
- Performance optimization
- Minimal downtime during cutover

Azure Cloud Enablement

- Design and implement Azure-based solutions including:
- Compute (VMs and rehosted workloads)
- Networking (VNETs and hybrid connectivity)
- Storage
- Security controls (RBAC, Key Vault)
- Enable integration between:
- Rehosted applications
- Modern cloud services
- APIs

Performance Optimization

- Ensure post-migration:
- Performance parity or improvement compared to mainframe systems
- High availability
- Disaster recovery readiness
- Optimize:
- Batch processing
- Scheduling
- Online transaction processing systems

Migration Delivery & Execution
- Collaborate with:
- Application teams
- Cloud engineers
- DevOps teams
- QA teams




- Business stakeholders
- Lead:
- Migration planning
- Execution activities
- Testing and validation
- Cutover and go-live activities

Governance, Risk & Best Practices
- Define and enforce:
- Migration standards
- Migration frameworks
- Architecture best practices
- Identify:
- Risks
- Dependencies
- Implement mitigation strategies throughout the migration lifecycle.

Testing & Post-Migration Support
- Drive:
- Functional testing
- Integration testing
- Performance testing
- Support:
- Cutover execution
- Hypercare activities
- Stabilization
- Conduct post-migration optimization and tuning.

Mentorship & Technical Leadership
- Provide hands-on leadership and guidance to engineering teams.
- Mentor developers on:
- Mainframe modernization techniques
- Rehosting tools
- Cloud adoption strategies

Required Skills & Qualifications

Mainframe Technologies

- Strong hands-on experience with:
- COBOL
- PL/I
- Assembler
- CICS
- Strong knowledge of:
- JCL
- IMS
- DB2
- VSAM
- Experience with batch and online processing systems.

Rehosting & Modernization
- Hands-on experience with:
- Raincode
- Micro Focus
- Proven experience with mainframe modernization programs.
- Expertise in:
- Code analysis
- Code remediation
- Application dependency mapping

Database Migration

- Strong experience with DB2 to SQL Server migration.
- Deep understanding of:
- Data transformation
- Data validation
- Migration best practices

Azure Cloud

- Strong experience designing solutions on Microsoft Azure.
- Knowledge of:
- Hybrid cloud architectures
- Infrastructure design
- Cloud security

Core Engineering

- Solid hands-on development and troubleshooting experience.
- Ability to:
- Debug complex legacy systems
- Resolve migration issues
- Optimize application performance

Nice to Have

- Eztrieve experience.
- DevOps tools:
- Azure DevOps
- Jenkins
- Git
- Exposure to:
- Containerization
- Microservices architectures
- Experience in:
- BFSI
- Insurance
- Enterprise systems
- 10+ years of mainframe modernization and rehosting experience.

📌 Sr. Mainframe Rehosting Specialist – Mainframe Modernization, Raincode & Azure (Toronto)
🏢 Astra-North Infoteck Inc. ~ Conquering today’s challenges, achieving tomorrow’s vision!
📍 Toronto