SC Cleared Senior Systems Architect - PEGA

Posted 4 hours 7 minutes ago by Square One Resources

£475 Daily
Contract
Not Specified
Other
England, United Kingdom
Job Description

Senior System Architect - Pega

Remote | 6 months | Inside IR35 | Active SC clearance mandatory | Start: 23 November 2026

Engagement Overview

  • Client: Leading UK government organisation
  • Security clearance: Active SC clearance - MANDATORY (no sponsorship available)
  • Location: Remote (UK-based)
  • Start date: 23 November 2026
  • Duration: 6 months (initial term)
  • IR35 status: Inside IR35
  • Day rate: To be confirmed

Candidates without current, active SC clearance cannot be considered.

About the Role

We are looking for a Senior System Architect (SSA) to design and build high-quality Pega solutions for a leading UK government organisation. Working under the Lead System Architect, you will deliver user stories end to end, from configuration and integration through to testing and deployment.

Key Responsibilities

  • Design, configure and build Pega case types, flows, UI, data pages, decisioning rules and integrations.
  • Translate user stories and acceptance criteria into working, guardrail-compliant Pega features.
  • Build and test REST/SOAP integrations with internal and external government systems.
  • Write and maintain unit tests (PegaUnit) and support automated and manual testing.
  • Take part in sprint planning, stand-ups, refinement and playbacks.
  • Support the LSA with technical design, code reviews and estimation.
  • Diagnose and resolve defects and performance issues using Pega tools (Tracer, Clipboard, PAL).
  • Follow branching, rule-set versioning and deployment processes.
  • Mentor junior System Architects where required.
  • Produce clear technical documentation for handover and support.

Essential Skills and Experience

  • Active SC clearance (mandatory).
  • Certified Pega Senior System Architect (CSSA).
  • Solid hands-on development experience on Pega Platform/Pega Infinity in enterprise environments.
  • Strong knowledge of case management, data modelling, UI, activities, data transforms and declarative rules.
  • Experience building and consuming REST and SOAP services in Pega.
  • Experience working in Agile/Pega Express delivery teams.
  • Good communication skills and comfortable working remotely in a distributed team.

Desirable Skills and Experience

  • UK government or public-sector Pega project experience.
  • Experience with Pega Constellation UI.
  • Working towards Certified Pega Lead System Architect (CLSA).
  • Experience with Deployment Manager, CI/CD and DevOps tooling (Jenkins, Git, Azure DevOps).
  • Knowledge of accessibility standards (WCAG 2.2 AA).

If the requirements for this role apply to you please apply now!