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

Core Engineering Strong 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.

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