Pega Lead Architect

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 52,000 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. 54,000 employees and annual revenue of c. €7.2 billion, 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.

Where purpose meets career:

Influence – Play a key role in shaping data strategy and architecture decisions while guiding stakeholders and delivery teams.

Bigger Challenges & Scope – Lead large-scale data transformation programmes with broad business impact across complex enterprise environments.

Role Overview

The Lead System Architect (LSA) will own the overall Pega solution architecture, translate complex business and technical requirements into scalable designs, and provide hands-on technical leadership to Pega development teams. The role requires strong stakeholder engagement and the ability to ensure solutions meet architectural, security, performance, integration, and operational requirements.

Key Responsibilities

• Own the end-to-end architecture and technical design of Pega applications.
• Lead solution design across case management, workflows, data models, integrations, security, and user experience.
• Define application architecture, reusable components, enterprise design patterns, and implementation standards.
• Provide technical leadership to Pega Senior System Architects, System Architects, and development teams.
• Review solution designs and implementation approaches to ensure compliance with Pega guardrails and engineering best practices.
• Lead complex technical design decisions and resolve architecture and performance challenges.
• Design scalable integration patterns using REST APIs, services, connectors, data pages, messaging, and enterprise integration technologies.
• Define appropriate authentication, authorization, access control, and security architecture.
• Ensure solutions meet non-functional requirements including performance, scalability, availability, resilience, security, and maintainability.
• Establish appropriate application monitoring, performance optimisation, and troubleshooting approaches.
• Define DevOps, CI/CD, branching, deployment, and release management approaches for Pega applications.
• Support production readiness, deployment planning, and technical assurance activities.
• Work closely with Business Architects, Product Owners, Enterprise Architects, Security Architects, and Integration Architects.
• Translate business requirements into appropriate Pega architecture and technical solutions.
• Lead technical workshops and communicate architecture decisions clearly to both technical and non-technical stakeholders.
• Mentor Pega engineers and support the development of engineering capability across delivery teams.
• Perform design and code reviews and ensure technical debt is identified and appropriately managed.
• Support estimation, delivery planning, technical risk management, and dependency management.
• Act as the Pega technical authority and escalation point throughout the delivery lifecycle.

Required Skills and Experience

• Extensive hands-on experience designing and delivering enterprise applications using the Pega Platform.
• Strong experience working as a Pega Lead System Architect or Solution Architect on large and complex programmes.
• Deep knowledge of Pega case management, application architecture, data modelling, and integration.
• Strong understanding of Pega application design principles, guardrails, and reusable architecture.
• Strong experience with REST APIs, integration services, connectors, and enterprise integration patterns.
• Experience designing secure Pega solutions including authentication, authorization, and role-based/attribute-based access controls.
• Strong knowledge of Pega performance optimisation, monitoring, and troubleshooting.
• Experience with Pega DevOps, CI/CD pipelines, automated testing, and enterprise deployment approaches.
• Experience delivering solutions within Agile/Scrum environments.
• Ability to lead multiple Pega development teams and provide architecture governance across workstreams.
• Strong stakeholder management, communication, and technical leadership skills.
• Ability to explain complex architecture decisions to senior business and technology stakeholders.

Certification

Mandatory:

Certified Pega Lead System Architect (CPLSA/CLSA).

Desirable Skills

• Experience with Pega Infinity '24/'25 or later.
• Experience with Pega Constellation architecture and DX API.

Essential Criteria – SC Eligibility

To be eligible for SC clearance, you must have lived and worked in the UK continuously for the past 5 years.

Benefits:

Pension Scheme - contributions matched up to 10%

Private medical cover

Income Protection

Life Assurance

25 days paid leave + National Holidays

Flex benefits program

At Atos, we want everyone to feel confident and supported throughout the recruitment process. As a proud signatory of the Armed Forces Covenant, Employers Domestic Abuse Covenant (EDAC) and Care Leaver Covenant, we welcome applications from individuals from all backgrounds and life experiences.

As a Disability Confident Leader, we guarantee an interview to disabled applicants who meet the minimum essential criteria for the role. If you require any reasonable adjustments during the recruitment process, please let us know and we will ensure the appropriate support is in place. Please contact the recruiter managing this vacancy or reach out to our dedicated mailbox: UK-Recruitment-Support@atos.net.

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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.