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Pega Lead System Architect LSA
Job Summary
Advertiser
Salary / Rate
Posted
Randstad Digital
£80,000
17th February 2026
Location
Start Date
South East
Type
Job Sector
permanent
IT, Telecoms & Digital
Adword Job Title: Pega Lead System Architect (LSA) Location: Remote Job type: Permanent Salary: Open to the market rates Job Description Experience: 10-14 years overall; 3 years as LSA; 2 Pega CS end-to-end implementations Role Summary: Design Authority. Owns architecture, quality, performance, security, and DevOps; leads CoE standards and AI enablement. Key Responsibilities Own solution blueprint: case taxonomy, microjourneys, interaction flows, CSR Desktop, Knowledge, and Digital Messaging. Define non-functional requirements (scale, resiliency) and node strategy: Queue Processors vs. Job Schedulers, background processing, caching. Integration architecture: REST/JSON, SOAP (if needed), OAuth2/SAML, eventing (Kafka/JMS), idempotency, pagination, circuit breaker and retry patterns. Data design: enterprise data model, data pages (scope, refresh), reference data strategy, data obfuscation and masking for PII. UX strategy: Constellation (preferred) / Cosmos; accessibility (WCAG),…
