Tata Consultancy Services (TCS) is an equal opportunity employer, and embraces diversity in race, nationality, ethnicity, gender, age, physical ability, neurodiversity, and sexual orientation, to create a workforce that reflects the societies we operate in. Our continued commitment to Culture and Diversity is reflected in our people stories across our workforce and implemented through equitable workplace policies and processes.
Tata Consultancy Services (BSE: 532540, NSE: TCS) is the technology partner of choice for industry-leading organizations worldwide. Since its inception in 1968, TCS has upheld the highest standards of innovation, engineering excellence and customer service.
It has set an aspiration to become the world's largest AI-led technology services company and is enabling its clients to transform themselves across the full AI stack, from infrastructure to intelligence.
Rooted in the heritage of the Tata Group, TCS is focused on creating long term value for its clients, its investors, its employees, and the community at large. With a highly skilled workforce spread across 56 countries and 194 service delivery centers across the world, the company has been recognized as a top employer in six continents. With the ability to rapidly apply and scale new technologies, the company has built long term partnerships with its clients. Many of these relationships have endured into decades and navigated every technology cycle, from mainframes in the 1970s to artificial intelligence today.
Key Responsibilities
1. Mainframe Rehosting & Modernization
- Lead mainframe rehosting initiatives using:
o Raincode (Mandatory)
o Micro Focus (Mandatory)
o Rehosting (Lift & Shift) strategies
o Replatforming and selective refactoring approaches
- Drive mainframe transformation programs (extremely good to have)
- Develop modernization roadmaps, timelines, and execution plans
2. Hands-On Application Transformation
- Perform deep technical work on legacy systems built with:
o COBOL (Mandatory)
o PL1 (Mandatory)
o Assembler (Mandatory)
o CICS (Mandatory)
o JCL, IMS, DB2, VSAM-based applications
o Code remediation
o Conversion val idation
o Runtime behavior fixes
3. Database Migration & Data Transformation
- Lead DB2 SQL Server migration (Mandatory)
o Data mapping and transformation strategies
o Reconciliation and validation processes
o Data integrity
o Performance optimization
o Minimal downtime during cutover
4. Azure Cloud Enablement
- Design and implement Azure-based solutions:
o Compute (VMs, rehosted workloads)
o Networking (VNETs, hybrid connectivity)
o Storage
o Security (RBAC, Key Vault)
- Enable integration between:
o Rehosted applications
o Modern cloud services and APIs
5. Performance & Optimization
o Performance parity or improvement vs. mainframe
o High availability and disaster recovery
o Batch jobs and scheduling
o Online transaction processing systems
6. Migration Delivery & Execution
o Application teams
o Cloud engineers
o DevOps and QA teams
o Business stakeholders
o Migration planning
o Execution
o Testing and validation
o Cutover and go-live
7. Governance, Risk & Best Practices
o Migration standards and frameworks
o Architecture best practices
o R isks and dependencies
- Implement mitigation strategies across the migration lifecycle
8. Testing & Post-Migration Support
o Functional, integration, and performance testing
o Cutover execution
o Hypercare and stabilization
o Post-migration optimization and tuning
9. Mentorship & Technical Leadership
- Provide hands-on leadership and guidance to engineering teams
o Mainframe modernization techniques
o Rehosting tools and cloud adoption strategies
Required Skills & Qualifications
Mainframe Technologies (Mandatory)
- Strong hands-on experience with:
o COBOL
o PL1
o Assembler
o CICS
o JCL, IMS, DB2, VSAM
o Batch and online processing systems
Rehosting & Modernization (Mandatory)
- Hands-on experience with:
o Raincode (Mandatory)
o Micro Focus (Mandatory)
o Mainframe modernization programs (Extremely good to have)
o Code analysis and remediation
o Application dependency mapping
Database Migration (Mandatory)
o DB2 SQL Server migration
o Data transformation and validation
o Migration best practices
Cloud (Azure)
- Strong experience designing solutions on:
o Mic
