Mainframe Application Architect
Confirmed on the employer's own hiring board on Oct 8, 2026. First seen by Alion on Oct 7, 2026.
Atos is the Atos Group brand dedicated to AI-powered, secure, end-to-end digital services. Atos designs, develops, and operates critical digital environments that drive performance, resilience and sovereignty, helping public and private organizations worldwide retain control over their data and infrastructures, while meeting regulatory requirements.
With more than 54,000 employees serving over 4,500 clients across 54 countries, Atos helps modernize core IT systems, accelerate cloud and data transformation, strengthen cybersecurity, and deliver secure digital workplace environments to support its clients, its employees and society. Atos also provides consulting and advisory services through its Atos Amplify brand.
A trusted partner in operating complex and mission-critical environments, Atos supports organizations across highly regulated and sovereign contexts.
About Atos Group
Atos Group is a global leader in digital transformation with c. 56,000 employees and annual revenue of c. €7.2 billion (at the go-forward perimeter), operating in 54 countries under two brands - Atos for services and Eviden for products and systems. European number one in cybersecurity and a leader in cloud, Atos Group is committed to a secure and decarbonized future and provides tailored AI-powered, end-to-end solutions for all industries. Atos Group is listed on Euronext Paris.
We are looking for Mainframe Application Architect please find the JD below:
Location: Chennai, Bangalore, Mumbai
Type of Hire: Full-Time
Mandatory Skills:
- Strong experience (15+ years) in mainframe application development with proficiency in mainframe technologies such as COBOL, JCL, VSAM, CICS, DB2, IMS, ReXX, EZT etc
- Exposure to hybrid architecture with both mainframe and distributed applications
- Exposure to any performance tuning activities in Mainframe like API integration, monolith code componentization, SMF log analysis, Database fine-tuning etc
- Understanding of software development life cycle (SDLC) methodologies and best practices and working knowledge in DevOps (CI/CD)
- Experience with version control systems and software configuration management tools
- Familiarity with testing methodologies and tools for mainframe applications
- Strong analytical and problem-solving skills with the ability to troubleshoot and debug complex technical issues
- Excellent collaboration and communication skills with the ability to work effectively in a team environment
- Attention to detail and a commitment to delivering high-quality code and solutions
- Ability to work independently and manage multiple tasks and priorities in a dynamic environment
Nice to have:
- Knowledge of any modern programming languages and frameworks such as Java, .NET or Python and their integration with mainframe systems
- Understanding the principles of AI and its application in Mainframe Modernization
- Any exposure to Mainframe Modernization principles and toolsets like Rocket, AWS Transform etc
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.