Job Description

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Sr. Solution Architect - Mainframe Modernization

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Publication Date: Aug 21, 2025
Ref. No: 536096
Location:
Pune, IN

Who we are.

We are a team of passionate experts with a clear ambition: applying digital technology to

advance what matters

for our clients and society.

Together we create

reliable and responsive digital foundations

for the world's businesses, institutions, and communities.

Learn more on

Advancing what matters

About Atos

Atos is a global leader in digital transformation with c. 78,000 employees and annual revenue of c. EUR 10 billion. European number one in cybersecurity, cloud and high-performance computing, the Group provides tailored end-to-end solutions for all industries in 68 countries. A pioneer in decarbonization services and products, Atos is committed to a secure and decarbonized digital for its clients. Atos is a SE (Societas Europaea) and listed on Euronext Paris.





The purpose of Atos is to help design the future of the information space. Its expertise and services support the development of knowledge, education and research in a multicultural approach and contribute to the development of scientific and technological excellence. Across the world, the Group enables its customers and employees, and members of societies at large to live, work and develop sustainably, in a safe and secure information space.

Sr. Solution Architect - Mainframe Modernization

Location: Bangalore (Whitefield) or Chennai (Siruseri) or Pune (Talawade) or Mumbai (Airoli (West).

Type of Hire:

Full-Time


Proven experience (15+) as a Mainframe Modernization Solution Architect or a similar role Leading architecture and design activities in legacy modernization projects such as IT Re-architecture, Business Re-architecture, Re-hosting, Re-engineering, Re-platforming, Business Rules Extraction etc. Solid understanding of legacy systems and modernization approaches, methodologies and best practices Strong knowledge of modern technologies, platforms and frameworks with the ability to select and recommend appropriate solutions Experience in system integration, data migration and performance optimization in legacy modernization projects Experience on mainframe technologies such as COBOL, Assembler, PL/1, JCL, VSAM, CICS, DB2, RPG, CL, DB2/400, etc. Experience in On-Mainframe modernization Excellent analytical and problem-solving skills with the ability to design and troubleshoot complex system architectures Strong communication and presentation skills with the ability to effectively communicate technical concepts to both technical and non-technical stakeholders Proven ability to work effectively in a team environment, collaborating with cross-functional teams and stakeholders Understanding of software development life cycle (SDLC) methodologies and best practices Familiarity with security and compliance requirements in software systems Working knowledge and understanding of Cloud environment (AWS/Azure/Google) Ability to work independently and manage multiple tasks and priorities in a dynamic environment




Here at Atos, diversity and inclusion are embedded in our DNA. Read more about our commitment to a fair work environment for all.





Atos is a recognized leader in its industry across Environment, Social and Governance (ESG) criteria. Find out more on our CSR commitment.

Choose your future. Choose Atos.

Learn more about us

At Atos, we embrace diversity as the ultimate engine of ingenuity for our clients, and we constantly strive to create a culture where people feel supported and encouraged. Read more about our commitment here.



Whether it is fighting climate change, promoting digital inclusion, or ensuring trust in data management - tech for good sits at the core of our identity. With numerous global recognitions for our ESG practices, we are committed to building a better future for all by harnessing the power of technology. Learn more here