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Mainframe Rehosting Architect

Company:
Tata Consultancy Service Limited
Location:
Edison, NJ, 08818
Posted:
December 21, 2025
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Description:

Must Have Technical/Functional Skills

Mainframe Expertise: COBOL, JCL, VSAM, DB2, IMS, CICS.

Cloud Expertise: GCP architecture, preferably with certifications.

Modernization Tools: Raincode, AWS Mainframe Modernization.

DevOps & IaC: Terraform, CloudFormation, Jenkins.

Security & Compliance: IAM, VPC design, governance frameworks.

Soft Skills: Strong communication, stakeholder management, and leadership.

12+ years in IT, with at least 23 years as architect in mainframe modernization projects

Roles & Responsibilities

Assessment & Strategy

Conduct discovery and assessment of existing mainframe workloads (COBOL, JCL, DB2, VSAM, IMS, CICS).

Define modernization strategies: Rehost, Replatform, Refactor, Retire, Replace.

Develop migration roadmaps, risk mitigation, and rollback plans.

Architecture & Design

Design target-state architecture for rehosted applications on cloud or distributed platforms.

Ensure compliance with security, performance, high availability, and disaster recovery requirements.

Create detailed blueprints for migration patterns and integration with modern systems.

Data Migration

Design ETL processes for migrating mainframe data Datacom to SQL Server.

Ensure data integrity and minimal downtime during migration.

Salary Range-$100,000-$140,000 a year

#LI-KR3

TCS Employee Benefits Summary: Discretionary Annual Incentive. Comprehensive Medical Coverage: Medical & Health, Dental & Vision, Disability Planning & Insurance, Pet Insurance Plans. Family Support: Maternal & Parental Leaves. Insurance Options: Auto & Home Insurance, Identity Theft Protection. Convenience & Professional Growth: Commuter Benefits & Certification & Training Reimbursement. Time Off: Vacation, Time Off, Sick Leave & Holidays. Legal & Financial Assistance: Legal Assistance, 401K Plan, Performance Bonus, College Fund, Student Loan Refinancing.

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