Solution Architect Data and Systems Inside IR35

Inside IR35 | Solution Architect (Audit Phase) Duration: Initial 15 days (with scope to extend up to 12 months) Day Rate: £500-£550 (Inside IR35) Location: Fully remote (UK-based contractors only) Sector: Healthcare / Data & Systems AuditWe're looking for an experienced Solution Architect to support a leading UK healthcare client through an architecture and systems audit. This short initial engagement (approx. 15 days) will assess their current technology landscape and set out the governed runway for a Phase 2 delivery programme. There's strong potential for this to evolve into a 12-month engagement focused on remediation and solution delivery.Key Responsibilities
  • Lead architectural discovery across systems, integrations, data flows, and dependencies.
  • Document current-state architecture and define target-state options, balancing trade-offs in security, scalability, and operability.
  • Establish NFR baselines (availability, performance, resilience, observability, RTO/RPO, and cost).
  • Define and document security architecture posture (Entra ID/OIDC, encryption, key management, network zoning, data protection).
  • Produce a high-level design (HLD) with C4 diagrams, threat model (e.g., STRIDE), privacy/data handling assessment, and decision logs (ADRs).
  • Build the “architecture runway” for Phase 2, with principles, patterns, guardrails, and estimated remediation effort.
Deliverables (by end of the audit)
  • HLD with current vs target C4 diagrams.
  • Threat model and NFR catalogue with measurable acceptance criteria.
  • Architectural risk/assumptions/issues log and ADRs.
  • Option analysis with cost/benefit and effort estimates.
  • Phased roadmap, integration inventory, and high-level data lineage.
This role suits a hands-on architect comfortable operating in regulated environments, with strong analytical and documentation skills to guide strategy before build

Job Details

Company
interAct Consulting Limited
Location
London, South East, England, United Kingdom
Hybrid / Remote Options
Employment Type
Contractor
Salary
£500 - £550 per day
Posted