Migration Architect (Mainframe to GCP)

Capgemini • Atlanta, GA

9d • 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. This is a senior enterprise architecture and modernization role focused on leading large-scale mainframe-to-Google Cloud Platform (GCP) migrations. The architect acts as both a strategic advisor to senior client stakeholders and a hands-on technical leader responsible for designing, building, migrating, testing, and optimizing modernized cloud solutions.

Requirements

• 12+ years in enterprise application/platform architecture.
• 6+ years of hands-on experience in mainframe modernization or legacy transformation programs.
• Proven experience leading large-scale mainframe-to-cloud migration initiatives.
• Deep expertise in: Mainframe technologies (z/OS, COBOL, PL/I, JCL), CICS, IMS, batch processing DB2 and VSAM Enterprise integration and cloud migration strategies
• Strong knowledge of GCP architecture, security, automation, and modernization patterns.
• Experienced architect who combines mainframe expertise, cloud architecture knowledge, modernization strategy, and hands-on migration execution skills to successfully transform legacy enterprise systems into scalable GCP-based solutions.

Responsibilities

• Lead enterprise mainframe modernization programs and define target-state cloud architectures.
• Design scalable, resilient, and secure hybrid/cloud-native platforms integrating mainframe systems with GCP services.
• Drive application modernization for technologies such as z/OS, COBOL, PL/I, JCL, CICS, IMS, DB2, and VSAM.
• Architect dual-run/parallel testing solutions to validate migrated workloads, ensuring data consistency, transaction parity, and smooth cutover/rollback.
• Design event-driven integration using APIs, messaging, and streaming technologies.
• Build hybrid connectivity between legacy mainframes and cloud-native applications.
• Implement DevOps, CI/CD, automation, monitoring, and platform engineering best practices.
• Design data pipelines using Pub/Sub, BigQuery, Cloud Storage, and GKE for validation, analytics, and telemetry.
• Define GCP landing zones, security architectures, IAM models, networking, governance, HA/DR, and compliance frameworks.

Benefits

• Paid time off based on employee grade (A-F), defined by policy: Vacation: 12-25 days, depending on grade
• Company paid holidays
• Personal Days
• Sick Leave
• Medical, dental, and vision coverage (or provincial healthcare coordination in Canada)
• Retirement savings plans (e.g., 401(k) in the U.S., RRSP in Canada)
• Life and disability insurance
• Employee assistance programs
• Other benefits as provided by local policy and eligibility

What This Job Offers

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