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Atos

Lead Architect, Pega

Atos

. Own the end-to-end architecture and technical design of Pega applications .

Posted 10/8/2026full-timeLondon • United KingdomSeniorWebsite

Core Competencies

Role fit
Core Competencies

Use this summary to align your resume positioning with the role.

Demonstrates extensive expertise in Pega application architecture, design, and integration, with a strong focus on performance optimization, security, and compliance with Pega guardrails. Proven ability to lead technical teams, mentor engineers, and communicate effectively with stakeholders across various levels.

Highest-signal resume keywords
Pega Application ArchitecturePega Lead System Architect CertificationREST API IntegrationPega DevOps and CI/CDStakeholder Management

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills
Pega PlatformCase ManagementData ModellingIntegration ServicesPerformance OptimizationSecurity ArchitectureAgile/ScrumTechnical LeadershipArchitecture GovernanceTroubleshooting
Soft Skills
CommunicationMentoringStakeholder ManagementLeadership
Tools & Technologies
Pega Infinity '24/'25Pega Constellation ArchitectureDX API
Certifications & Qualifications
Certified Pega Lead System Architect (CPLSA/CLSA)
Industry Keywords
Enterprise ApplicationsIntegration PatternsAccess ControlApplication MonitoringDeployment Management

About the role

Key responsibilities & impact
  • 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 for 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 authentication, authorization, access control, and security architecture
  • Ensure solutions meet performance, scalability, availability, resilience, security, and maintainability requirements
  • Establish 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
  • Collaborate with Business Architects, Product Owners, Enterprise Architects, Security Architects, and Integration Architects
  • Translate business requirements into Pega architecture and technical solutions
  • Lead technical workshops and communicate architecture decisions to technical and non-technical stakeholders
  • Mentor Pega engineers and develop engineering capability across delivery teams
  • Perform design and code reviews and manage technical debt
  • Support estimation, delivery planning, technical risk management, and dependency management
  • Act as the Pega technical authority and escalation point throughout the delivery lifecycle

Requirements

What you’ll need
  • 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
  • Mandatory Certified Pega Lead System Architect (CPLSA/CLSA) certification
  • Experience with Pega Infinity '24/'25 or later is desirable
  • Experience with Pega Constellation architecture and DX API is desirable
  • To be eligible for SC clearance, must have lived and worked in the UK continuously for the past 5 years

Benefits

Comp & perks
  • Pension Scheme - contributions matched up to 10%
  • Private medical cover
  • Income Protection
  • Life Assurance
  • 25 days paid leave + National Holidays
  • Flex benefits program