Migration Architect (Mainframe to GCP)

Capgemini; Atlanta (GA); Hybrid; USD 88,544 - 207,401; Full time

Benefits offered by this job

Paid time off

Health insurance

Retirement plans

Life and disability insurance

Employee assistance programs

Job summary

Capgemini is seeking a Migration Architect to lead large-scale mainframe-to-GCP migrations in a hybrid setup across multiple U.S. locations, including Atlanta. You’ll define target-state architectures, design secure cloud platforms, and drive modernization leveraging z/OS, COBOL, and DB2. The role combines strategic advisory with hands-on execution.

You will guide data pipelines, CI/CD, and DevOps practices, ensuring data parity, seamless cutovers, and robust security in GCP environments.

Qualifications

• 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 transform legacy 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.

Skills

Mainframe modernization

Cloud architecture

GCP

Hybrid cloud

CI/CD

DevOps

Security architecture

Data pipelines

APIs & messaging

z/OS

COBOL

JCL

VSAM

GKE

BigQuery

Pub/Sub

Tools

GKE

BigQuery

Pub/Sub

Cloud Storage

Job description

Migration Architect (Mainframe to GCP)

Choosing Capgemini means choosing a company where you will be empowered to shape your career in the way you’d like, where you’ll be supported and inspired by a collaborative community of colleagues around the world, and where you’ll be able to reimagine what’s possible. Join us and help the world’s leading organizations unlock the value of technology and build a more sustainable, more inclusive world.

Location

This is a hybrid role based across multiple locations – Dallas, Atlanta, Nashville, Chicago, New Jersey

About the job you’re considering

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

• 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.
• 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.

Your skills and experience

• 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.

Compensation

The base compensation range for this role in the posted location is $88,544 – $207,401.

Capgemini provides compensation range information in accordance with applicable national, state, provincial, and local pay transparency laws. The base compensation range listed for this position reflects the minimum and maximum target compensation Capgemini, in good faith, believes it may pay for the role at the time of this posting. This range may be subject to change as permitted by law. The actual compensation offered to any candidate may fall outside of the posted range and will be determined based on multiple factors legally permitted in the applicable jurisdiction.

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.

Equal Opportunity Employer

Capgemini is an Equal Opportunity Employer encouraging inclusion in the workplace. Capgemini also participates in the Partnership Accreditation in Indigenous Relations (PAIR) program which supports meaningful engagement with Indigenous communities across Canada by promoting fairness, accessibility, inclusion and respect. We value the rich cultural heritage and contributions of Indigenous Peoples and actively work to create a welcoming and respectful environment. All qualified applicants will receive consideration for employment without regard to race, national origin, gender identity/expression, age, religion, disability, sexual orientation, genetics, veteran status, marital status or any other characteristic protected by law.

This is a general description of the duties, responsibilities and qualifications required for this position. Physical, mental, sensory or environmental demands may be referenced in an attempt to communicate the manner in which this position traditionally is performed. Whenever necessary to provide individuals with disabilities an equal employment opportunity, Capgemini will consider reasonable accommodations that might involve varying job requirements and/or changing the way this job is performed, provided that such accommodation does not pose an undue hardship. Capgemini is committed to providing reasonable accommodation during our recruitment process. If you need assistance or accommodation, please reach out to your recruiting contact.

Capgemini may capture your image (video or screenshot) during the interview process and that image may be used for verification, including during the hiring and onboarding process.

Rights of Applicants (U.S.)

Click the following link for more information on your rights as an Applicant in the United States: https://www.cleanair.org/ucol