MAINFRAME TECHNICAL ARCHITECT

About Atos Group

Atos Group is a global leader in digital transformation with c. 63,000 employees and annual revenue of c. €8 billion, operating in 61 countries under two brands — Atos for services and Eviden for products. European number one in cybersecurity, cloud and high performance computing, 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 the brand under which Atos SE (Societas Europaea) operates. Atos SE is listed on Euronext Paris.

The purpose of Atos Group 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.

Technical Architect – Mainframe Services

Job Overview: The Technical Architect is responsible for the end-to-end technical design, integrity, and delivery of Mainframe-based solutions across project and operational lifecycles. This role ensures that all architecture and engineering activities align with defined standards, client requirements, and long-term strategic objectives. The Technical Architect provides deep technical leadership across IBM Mainframe and Storage platforms, guiding engineering teams, validating designs, and ensuring high-quality implementation. This individual plays a critical role in bridging architecture and execution, ensuring solutions are scalable, secure, and operationally supportable.

Day-to-Day Responsibilities:

Technical Leadership

• Owns the technical architecture and design authority across delivery engagements
• Provides hands-on guidance to engineering and operations teams on IBM Mainframe systems, software, Storage Solutions, and tooling
• Ensure adherence to architectural standards, best practices, and governance processes
• Reviews and approve detailed technical designs, implementation plans, and engineering deliverables Solution 

Delivery & Execution

• Translates high-level solution architecture into detailed technical designs and actionable work packages
• Ability to travel/Video to meet with customers and present mainframe solutions and offerings in detail
• Leads technical implementation, integration, and transition into steady-state operations
• Supports troubleshooting and resolution of complex technical issues across infrastructure and applications
• Ensures system performance, scalability, availability, and security requirements are met Collaboration & Stakeholder Engagement
• Works closely with Solution Architects, Project Managers, and Client stakeholders to ensure alignment between design and delivery
• Acts as the primary technical escalation point for delivery teams and customer environments
• Provides technical input into project planning, risk management, and change control processes
• Works closely with IBM, EMC, and Hitachi for data storage and design solutions.
• Operational Excellence
• Drives continuous improvement of system reliability, automation, and operational efficiency
• Defines and enforces standards for monitoring, capacity planning, and disaster recovery
• Supports transition-to-service activities including documentation, runbooks, and knowledge transfer

Core Requirements:

• Minimum of 12–15 years of IT experience with a strong focus on IBM Mainframe technologies
• Extensive hands-on experience with IBM z-Series systems, including z/OS, storage, networking, and system software
• Proven experience in a Technical Architect or Senior Engineering leadership role
• Deep understanding of mainframe infrastructure, system programming, and enterprise IT environments
• Strong problem-solving skills with the ability to diagnose and resolve complex technical issues
• Ability to lead technical teams and influence without direct authority
• Strong communication skills with the ability to translate technical concepts for both technical and non-technical stakeholders

Preferred Skills & Experience:

• Bachelor’s degree in computer science, Engineering, or related field (or equivalent experience)
• Experience with Mainframe modernization, transformation, or migration initiatives
• Experience with automation, DevOps practices, and modern engineering methodologies in a mainframe environment
• Prior experience working with major vendors (IBM, Broadcom, BMC, etc.)
• Experience supporting large-scale enterprise or managed services environments

Key Differentiators:

• Strong balance of architecture knowledge and hands-on technical depth
• Proven ability to drive execution and ensure successful delivery outcomes
• Ability to operate effectively in complex, multi-vendor environments
• Focus on long-term sustainability, operational excellence, and technical innovation

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.