Migration Architect - Mainframe to GCP

Capgemini • Seattle, WA

3d • Hybrid

About The Position

The Capgemini team offers extensive career opportunities and provides mentoring and coaching for teammates. This role is an experienced professional with a strong background in software development. Your role Senior technical and strategic role responsible for leading large-scale mainframe modernization and cloud migration initiatives on Google Cloud Platform (GCP). Requires deep expertise in both legacy mainframe technologies and modern cloud architectures.

Requirements

• 12+ years in enterprise application/platform architecture
• 6+ years in mainframe modernization or legacy transformation
• Proven experience leading enterprise-scale mainframe-to-cloud migration programs
• GCP architecture and services
• Cloud migration strategies (re-host, re-platform, re-factor)
• Event-driven and hybrid architectures
• Security, IAM, compliance, and governance
• DevOps, CI/CD, and automation
• Deep expertise in mainframe systems, GCP, cloud migration, and automation, capable of leading end-to-end modernization programs—from strategy and design to production deployment and stabilization—while effectively managing senior stakeholders.

Responsibilities

• Lead enterprise-scale mainframe modernization and migration programs to GCP
• Advise executive stakeholders (VPs, steering committees) on cloud transformation strategies and roadmaps
• Assess and modernize legacy systems built on: COBOL, PL/I CICS, IMS DB2, VSAM JCL, batch workloads
• Design migration strategies: Re-host (Lift & Shift) Re-platform Re-factor
• Architect GCP Dual Run solutions for parallel testing, validation, and risk-free cutovers
• Design event-driven integrations using: Pub/Sub APIs BigQuery Cloud Storage GKE
• Develop end-to-end GCP architecture including: Applications Data Networking Security Governance Disaster Recovery
• Define data migration strategies, including: Change Data Capture (CDC) Reconciliation and rollback Performance optimization
• Drive automation, DevOps, CI/CD, and Agentic AI adoption
• Support production cutovers, troubleshooting, and post-migration stabilization

Benefits

• Paid time off based on employee grade (A-F), depending on grade
• Company paid holidays
• Personal Days
• Sick Leave
• Medical, dental, and vision coverage
• Retirement savings plans (e.g., 401(k) in the U.S., RRSP in Canada)
• Life and disability insurance
• Employee assistance programs

What This Job Offers

• Job Type: Full-time
• Career Level: Senior
• Education Level: No Education Listed