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EY DE_Mainframe Architect_Modernization - UC GDSF02 
India, Karnataka, Bengaluru 
469055370

09.12.2025

Your Key Responsibilities

  • Designing/ maintaining mainframe applications, involvement in mainframe modernization activities.
  • Participate in application assessment, discovery, roadmap development and application modernization
  • Working in Agile methodology.
  • Work with vendor teams from IT, Ops & Business.
  • Analyse business requirements; write functional and minor development specifications.
  • Code solutions that meet the business requirements in a timely and accurate manner.
  • Follow and improve existing coding standards and best practices.
  • Must have significant experience developing applications under an onshore-offshore model.
  • Capability to approach problems as challenges and deal with them positively and constructively.

Primary Skills / Must have

Technical skills:

  • Must demonstrate strong technical and business leadership skills.
  • Strong Cobol, CICS, JCL, VSAM, DB2 experience.
  • Experience in Version Controller Tools like ENDEVOR, CHANGEMAN, ISPW, GIT; Scheduling Tools: CA7, Control-M, OPC.
  • Experience in Zos Connect, integration using RESTful APIs, and mainframe development tools like IDz.
  • Experience in MQ and DB2 stored procedure.
  • Experience in creating/consuming data in relational database environments (preferably DB2, SQL).
  • Experience in mainframe modernization (e.g., migrating to Azure, AWS, or hybrid systems), R-Lanes such as Rewrite, Rehost or Refactor.
  • Experience in Data Migration from Mainframe to Cloud/On-prem solutions
  • Experience in designing/ maintaining mainframe applications.
  • Working experience in one or more of the following technologies – Cloud (Azure/AWS/GCP), Java, Python
  • Strong analytical skills, ability to interpret business requirements and produce functional and technicaldesign documents.

Professional skills:

  • Detail oriented, ability to turn deliverables around quickly with high degree of accuracy.
  • Good time management skills – ability to prioritize and multi-task, handling multiple efforts at once.
  • Strong written and oral communications skills are a must.
  • Strong desire to understand and learn domain.

Secondary Skills / Desired skills

  • Experience in PL/I, IMS.
  • Knowledge/experience in developing and using Generative AI solutions.
  • Knowledge of microservices architecture or API integration with mainframe.
  • Familiarity with cloud-based DevOps tools (Jenkins, GitHub Actions, Azure DevOps).
  • Languages like Python, Java, .Net, C, C++.
  • Knowledge of Native stored procedures.
  • Experience in the financial/banking industry.

Preferred Qualifications:

  • :8-14 years of hands-on experience in the solutioning and delivery of applications hosted in Mainframes. Experience in modern technologies like Cloud, Java, Python, GenAI.
  • Certifications:Azure Developer/DevOps Associate or Azure AI Engineer Associate
  • Agile Methodologies: Familiarity with Agile development practices and methodologies.
  • Problem-Solving: Strong analytical skills with the ability to troubleshoot and resolve complex issues.


Bachelor’s degree in Computer Science Engineering, Information Technology, or a related field, or equivalent practical experience

What we offer

EY Global Delivery Services (GDS) is a dynamic and truly global delivery network. We work across six locations – Argentina, China, India, the Philippines, Poland and the UK – and with teams from all EY service lines, geographies and sectors, playing a vital role in the delivery of the EY growth strategy. From accountants to coders to advisory consultants, we offer a wide variety of fulfilling career opportunities that span all business disciplines. In GDS, you will collaborate with EY teams on exciting projects and work with well-known brands from across the globe. We’ll introduce you to an ever-expanding ecosystem of people, learning, skills and insights that will stay with you throughout your career.

  • Continuous learning: You’ll develop the mindset and skills to navigate whatever comes next.
  • Success as defined by you : We’ll provide the tools and flexibility, so you can make a meaningful impact, your way.
  • Transformative leadership : We’ll give you the insights, coaching and confidence to be the leader the world needs.
  • Diverse and inclusive culture: You’ll be embraced for who you are and empowered to use your voice to help others find theirs.