Remote Senior Mainframe Test Lead: z/VSE to z/OS

NTT Data Americas, Inc.; McKinney (TX); Remote; USD 83,000 - 98,000; Full time

Benefits offered by this job

Remote work

Contract role

Job summary

NTT DATA's client is seeking a Senior Mainframe Test Lead to drive end-to-end testing strategy, planning, governance, and execution for a large-scale z/VSE to z/OS migration. This role requires enterprise-wide test architecture experience and deep mainframe expertise, with executive-level governance responsibilities.

The candidate will lead cross-functional teams, establish risk-based testing methodologies, and ensure successful migration readiness.

Qualifications

• Must show evidence of enterprise-wide test architecture with Mainframe background
• Experience driving testing for large-scale mainframe modernization or platform migration
• 10+ years of experience in Test Architecture, Test Management, or Quality Engineering

Responsibilities

• Test Strategy & Governance: Define and own the migration testing strategy, framework, and roadmap.
• Establish testing standards, quality gates, entry/exit criteria, and governance processes.
• Develop risk-based testing methodology aligned to migration waves and cutover milestones.
• Provide executive reporting on testing progress, quality metrics, risks, and release readiness.
• Risk-Based Testing & Change Impact Assessment: Lead impact assessments and establish a risk-ranking model (High/Medium/Low).
• Test Planning & Design: Develop comprehensive testing plans across System, SIT, End-to-End, Regression, Data Validation, Performance, UAT, and Cutover tests.
• Mainframe & Migration Validation: Define coverage for COBOL, CICS, JCL, VSAM/DB2/IMS, interfaces, security, schedulers, and infra.
• Federated Test Leadership: Coordinate testing across Mainframe, Applications, Infrastructure, Security, Database, and SMEs.

Job description

NTT DATA's client is seeking a Senior Mainframe Test Lead to drive end-to-end testing strategy, planning, governance, and execution for a large-scale z/VSE to z/OS migration. This role requires enterprise-wide test architecture experience and deep mainframe expertise, with executive-level governance responsibilities.

The candidate will lead cross-functional teams, establish risk-based testing methodologies, and ensure successful migration readiness.