> Markdown version of [/jobs/ext/3946938-lead-system-architect](https://www.wearedevelopers.com/jobs/ext/3946938-lead-system-architect). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Lead System Architect - **Company:** Intuition IT Solutions Ltd - **Location:** UK (Remote available) - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Agile Methodology, Applications Architecture, Computing Platforms, Confluence, JIRA, Authentication Protocols, Code Review, Databases, Continuous Integration, Relational Databases, Database Queries, Software Design Patterns, DevOps, JSON, PostgreSQL, Microsoft SQL Server, OAuth, Oracle (Applications), Performance Tuning, Scrum Methodology, Software Architecture, Security Assertion Markup Language (SAML), SAS (Software), Simple Object Access Protocol (SOAP), SQL Server Analysis Services, Systems Architecture, Systems Integration, User-Centered Design, Web Services, Extensible Markup Language (XML), Pega, Technical Debt, Scalability Testing, Deployment Automation, Performance Monitor, Apache Kafka, Restful APIs, Microservices - **Published:** October 27, 2026 - **Apply:** https://www.careerboard.com/gb/en/find-jobs-in-United-Kingdom/-10673E43A750A714AB/ ## About the Role * Certifications: Certified Pega Lead System Architect (CLSA) is mandatory. * Experience: 8+ years of hands-on experience designing and implementing Pega enterprise solutions, with a minimum of 2-3 years leading enterprise architectural decisions as an LSA. * Pega Platform Expertise: Deep mastery of the Pega Infinity platform architecture, Enterprise Class Structure (ECS), Case Management, Data Pages, Security Models, and Performance tools (PAL, Tracer, DB Trace). * Integrations & Databases: Strong experience in web services (REST/SOAP), JSON/XML, authentication protocols (OAuth, SAML), and relational databases (PostgreSQL, Oracle, SQL Server). * Agile/Scrum: Proven track record in delivery within Agile/Scrum environments using tools like Jira, Confluence, and Pega Agile Studio. * Eligibility: Must be based in the UK with existing Right to Work in the UK (Security Clearance eligibility is a plus). ## Description We are looking for an experienced and highly technical Pega Lead System Architect (CLSA) to drive end-to-end design, architecture, and technical governance for enterprise-level Pega implementations across our UK client engagements. In this role, you will act as the principal technical authority, responsible for architecting scalable, high-performing Pega solutions, enforcing strict Pega guardrails, and guiding cross-functional agile delivery teams to ensure successful project execution., * Architecture & Solution Design: Lead the technical design, application architecture, and integration patterns for complex, large-scale Pega applications using Pega Platform (v8.x/Infinity) and specialized strategic applications. * Technical Governance: Enforce Pega guardrails, best practices, reuse strategies, and design patterns across the solution life cycle to minimize custom code and technical debt. * Integration Strategy: Architect secure integrations between Pega and enterprise systems using REST, SOAP, Kafka, database interfaces, and microservices architectures. * Client & Stakeholder Advisory: Serve as the primary technical advisor to business stakeholders, product owners, and enterprise architects, translating business vision into robust technical roadmaps. * Team Leadership & Mentorship: Provide technical leadership and guidance to Senior System Architects (SSAs), System Architects (SAs), and DevOps engineers through code reviews and design sessions. * Performance & Optimization: Conduct system performance tuning, memory analysis, database query optimization, and scalability testing across non-production and production environments. * DevOps & CI/CD: Drive automated deployment pipelines, continuous integration, and modern deployment practices leveraging Deployment Manager or enterprise CI/CD tools.