Mainframe Modernization Architect
Listed on 2026-06-14
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IT/Tech
Cloud Computing, Systems Engineer, IT Consultant, IT Project Manager
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Job DescriptionSenior Legacy Modernization (Mainframe) lead
Location:
Chicago, IL, Atlanta, GA, Dallas, TX, New York, NY, Brigewater, NJ, Nashville, TN.
Job Type: Full Time
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.
AboutThe Job You’re Considering
Capgemini is seeking Senior Legacy Modernization (Mainframe) leader who is a highly experienced technical leader responsible for designing and overseeing the process of updating and improving an organization’s existing applications to align with modern technologies, typically involving cloud migration, infrastructure upgrades, and code refactoring, while ensuring the solutions meet business needs and are strategically aligned with the company’s goals.
Your role- Experienced in Assessment and Strategy Development by evaluating mainframe application landscape, identifying legacy systems, and analyzing their technical debt.
- Defining a comprehensive application modernization strategy for mainframe and iseries technology stack including target architecture, migration approach, and technology roadmap.
- Experienced in defining the design and architecture for migrating / modernizing cloud-native architectures for legacy applications, considering scalability, performance, and security.
- Selecting appropriate modernization techniques mastering the R-factors like re-platforming, refactoring, or replacing applications based on business needs.
- Creating detailed technical blueprints for migration and modernization projects.
- Implementation and Oversight by Leading cross-functional teams through the application modernization process, including development, testing, and deployment.
- Monitoring progress, identifying risks, and making necessary adjustments to the modernization plan.
- Collaborating with stakeholders, partners to ensure alignment between business requirements and technical solutions.
- Ability to analyze complex systems and develop a strategic vision for application modernization.
- Provide Technical Leadership to guide teams through technical challenges and ensuring quality standards are met.
- Define and provide strategy for OCM and new operating model for the modernized estate and enable new service definition
- 16+ years of experience with minimum of 10+ years of experience leading IT related “Cloud ” projects of various size/scope.
- Bachelor’s degree in Business, Computer Engineering, or related field (advanced degree preferred).
- 5+ years of experience building solutions and products on cloud computing infrastructure (Azure, AWS, Google Cloud Platform and non hyperscaler products like Codeium, etc.) to modernize mainframe infrastructure and applications
- 15+ years in Application Development and Modernization with Hyperscalers like Azure , AWS , Google Cloud Platform
- Proven record of accomplishment of solutioning and delivering large scale legacy application modernization and transformation deals with mainframe and/or iSeries platforms
- Deep understanding of various cloud platforms (AWS, Azure, Google Cloud Platform) and nice to have experience in non hyperscalar enterprise cloud frameworks and their capabilities for application modernization.
- Proficiency in modern programming languages, frameworks, and design patterns relevant to cloud-native development.
- Knowledge of containerization technologies (Docker, Kubernetes, Micro Focus, Raincode, mLogica) for improved scalability and deployment
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