Sr. Mainframe Rehosting Specialist - Mainframe Modernization, Raincode & Azure
Astra North Infoteck Inc.
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
• 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.
$55.29 - $79.33 per hour
Senior Mainframe Modernization Consultant Position Description CGI is seeking a Senior Mainframe Infrastructure Modernization Consultant... ...Collaborate with client infrastructure teams, technical specialists, project managers, architects, and operational support teams...MainframeSeniorRemplacement- ...Exciting Sr. Mainframe MFA Consultant, 6 months, contract opportunity. Requirements Identify Roles and responsibility of team Understand how Entra ID is hosted and configured Discover which channel can be used for MFA pushes Apply required IBM ZMFA maintenance...MainframeSeniorContract work
- ...Mainframe Developer – COBOL, JCL, DB2, IMS & Mainframe Modernization Skills Required: • Tech Stack: IBM Mainframe, JCL, COBOL, SQL, DB2, Deep IMS knowledge, Endevor, File-AID, CA-7. • Tools: INSYNC, Jira, Confluence, ServiceNow. • AI Awareness: Should...MainframePermanent employment
$80k - $120k per year
...electrification, more frequent service, shorter journey times and a more modernized system for the Greater Toronto and Hamilton Area. As part... ...ONxpress project, Aecon is looking for a qualified Senior Risk Specialist to join our team. What You’ll Do Here: Lead and...SeniorRemplacementWork at office- Are you a Mainframe expert who thrives in fast-paced, high-impact environments? Do you enjoy... ...looking for a Mainframe Production Support Specialist to lead incident investigation, drive... ...Tech-Forward Mindset: Familiarity with modern AI productivity tools like Copilot and Claude...MainframeImmediate startShift work
- ...reliable 5G network. Come build a rewarding career at Rogers and be a driving force behind our success story! The Senior Logistics Specialist, Transportation is responsible for analyzing transportation and logistics data to enhance operational efficiency, reduce costs, and...SeniorFull timeContract workShift work
$69k - $114k per year
...English is required for this position. As a Senior Specialist, Data Governance Platforms + Controls, you will play... ...this role, you will: Support the design and modernization of data governance controls for modern collaboration and data platforms (e.g. Microsoft 365...SeniorPermanent employmentFlexible hours$69k - $114k per year
...clients, English is required for this position. As a Senior Specialist, Data Governance Policy + Assurance, you will play a key role... .... In this role, you will: Support the design and modernization of enterprise data governance policies, frameworks, standards,...SeniorPermanent employmentFlexible hours- ...and supported to be your best - both personally and professionally. What We Do Reporting to the Manager, Risk Management, the Risk Specialist, Sr conducts ongoing monitoring/oversight, provides regular detailed reporting on the status of risk programs, consult, and provides...SeniorWork at officeRemote work
$67.78 - $81.34 per hour
...RQ11378 - Sr. Systems Testing/QA Specialist 1-year 4 month contract - 381 business days - possible extension ONSITE 5 days -222 Jarvis St... ...track software defects using tools like ALM JIRA Bugzilla and Azure DevOps. Works closely with developers to reproduce and...SeniorFull timeContract work$65k - $75k per year
...operations, and project teams in a dynamic, matrixed environment to solve complex challenges and drive results. The Accounts Payable Specialist reports to the Accounts Payable Manager and supports overall A/P functional performance and service delivery. What You'll Do...SeniorRemplacementWork at officeLocal area3 days per week$88.34 - $106.03 per hour
...RQ11142 - Sr. Cloud Application Specialist 1-year 11-month contract (447 business days) - possible extension... ...recent expertise in Microsoft Azure (App Services, Azure Functions, AKS),... ...Public sector experience working on mainframe/legacy systems Responsibilities...MainframeSeniorDaily paidContract work- ...Job Title: Mainframe Modernization Lead / Senior Technical Lead | IBM Mainframe, COBOL, CICS, DB2,... ...applications. • Identify opportunities for rehosting, replatforming, refactoring, or... ...Git, GitHub, GitHub Copilot, Jenkins, Azure DevOps, and related tooling. • Improve...MainframeSeniorContract workWork at office2 days per week
- Job Responsibility: About Us: Fidelity Clearing Canada (FCC) is the leading independent clearing broker and custodian in the Canadian market. We provide trade execution, clearing, custody and back-office support services to Canadian-based brokerage firms and the Canadian brokerage...SeniorFull timeFlexible hours
$67.78 - $81.34 per hour
...RQ11378 - Sr. Systems Testing/QA Specialist 1-year 4+ month contract - 381 business days - possible extension ONSITE 5 days - 222 Jarvis St... ...software defects using tools like ALM, JIRA, Bugzilla, and Azure DevOps. · Works closely with developers to reproduce and...SeniorContract work- ...Knix, Kt by Knix, and Mntd. Come join us if you are looking for a purpose-driven and authentic career! We’re looking for a Sr. Project Specialist who will be the operations expert for the Creative team overseeing all day-to-day processes and resourcing. This expert will work...SeniorPermanent employmentFull time
$95k - $145k per year
Azure Data Engineering Specialist Position Description CGI is looking for a skilled and collaborative Azure Data Engineering Specialist to help design, build, and scale data solutions across cloud and hybrid environments. If you enjoy working in complex data ecosystems...$55.52 - $59.48 per hour
...RQ11184 - Sr. Application Support Specialist 1-year 3-month contract (322 business days) - possible extension ONSITE 5 days - 56 Wellesley Street... ...the application support scope (e.g., Microsoft Entra ID / Azure AD): security-group membership management, B2B guest...SeniorLong term contractContract work- About Baselane At Baselane, our mission is to empower landlords with tools and insights to help them save time, increase their returns, and grow their investment portfolios. Traditional financial institutions have been a growth limiter for landlords - we are looking to change...SeniorFull time
$67.79 - $81.37 per hour
...RQ11253 - Sr. Systems Testing/QA Specialist 11 months (206 business days) - possible extension ONSITE 5 days - 222 Jarvis St Must Have... ...on experience with various defect tracking tools such as Azure DevOps ~5 10 years of experience with DevOps/Agile/Scrum...Senior$89.31 - $107.17 per hour
...RQ10945 - Sr. Business Intelligence Specialist 10+ month contract - possible extenion of 1+ year ONSITE... ...tools and technologies, such as Azure Synapse # Proven experience producing... ...Project Details: The OPGT Modernization initiative is essential to the ongoing...SeniorContract workWork at office$86.33 - $103.61 per hour
...RQ11176 - Sr. Middleware Specialist 9-month contract (180 business days) - possible extension ONSITE 5 days - 87 Sir William Hearst Ave.... ...Security Level: CRJMC Must-haves: · Monitoring Azure resources for right-sizing to provide financial recommendations...SeniorContract workLocal area- ...Azure Infrastructure Engineer (6–8 Years Experience) Experience Required 6–8 Years Primary Skill ~ Microsoft Azure (Digital... ...Participate in cloud migration initiatives, including: Rehost Replatform Refactor assessments Infrastructure as Code...Contract work
$84k - $175k per year
...using: o Copilot Studio (agents, copilots, orchestration) o Azure OpenAI and Azure AI services • Design end-to-end GenAI... ...Team Leadership • Lead and mentor a team of AI engineers and specialists • Provide oversight across: o Solution design o Code quality...Permanent employmentFlexible hours$85k - $156k per year
...organization. What will your typical day look like? The Manager, Data Modernization & Intelligence will be responsible for the operational execution... ...Copilot and other GenAI tools. They will work closely with the Sr. Manager to translate strategic initiatives into actionable...Permanent employmentRemote workFlexible hours$67.78 - $81.34 per hour
...RQ11232 - Sr. Systems Testing/QA Specialist 1-year contract (248 business days) - possible extension ONSITE 5 days - 5700 Yonge St. Toronto MUST HAVES: ~10+ years of experience in developing test strategies, test plans, test scenarios, test cases and troubleshooting...SeniorContract workInternship$57.18 - $64.71 per hour
Our client, is seeking a deeply experienced, senior-level Mainframe Developer V to support a mission-critical transaction and client-data... ...testing phases. This role demands a strong engineering background in modern mainframe operating systems, relational data structures, and...MainframeSeniorLong term contractContract workWork at officeMonday to friday2 days per week$80k - $130k per year
...services firm and after 45 years were still growing. Join CGI as a Mainframe Production Support Analyst within our Banking Services this role... ...firewall-cmd network troubleshooting) Cloud (Microsoft Azure Services) skills Red Hat OpenShift Container Skills (Docker &...MainframeFull timeWork at officeShift workWeekend work2 days per week- We are seeking a versatile and proactive Mainframe Software Developer to join a premier... ...minor software updates and large-scale modernization initiatives, ensuring high system reliability... ...-scale mainframe architectures, modern integration tooling, and complex financial...MainframeSeniorFull timeContract workWork at officeRemote workFlexible hoursNight shiftWeekend work2 days per week
$58k - $102k per year
...the AI & Data Transformation team, you will operate at the core of modern data and AI ecosystem designing, building, and scaling cloud-... ...transformation, and serving layers across cloud ecosystems such as Azure, AWS, Snowflake, and Databricks. • Modernizing legacy data environments...SeniorPermanent employmentFlexible hours
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Sr. Mainframe Rehosting Specialist - Mainframe Modernization, Raincode & Azure. Be the first to apply!
- spécialiste produit Toronto, ON
- health promotion specialist Toronto, ON
- pension specialist Toronto, ON
- policy specialist Toronto, ON
- customs import specialist Toronto, ON
- drug safety specialist Toronto, ON
- emergency management specialist Toronto, ON
- credit specialist Toronto, ON
- information specialist Toronto, ON
- disability management specialist Toronto, ON