SC Cleared Senior Systems Architect - PEGA

Project overview

Senior System Architect - Pega

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

Engagement Overview

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

Essential Skills and Experience

Desirable Skills and Experience

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

• 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
• 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.
• 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.
• 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).

Project details

• Start: 23 November 2026
• Duration: 24 weeks
• Location: England, UK, GB