Technical Architect (Investment Systems)Location: London / Sheffield (Hybrid 2 days in office)Domain: Investment Technology (PMS, IBOR, ABOR)Contract: 6-12 months contract The OpportunityWe are seeking a seasoned Technical Architect to lead the architecture of complex investment systems at a mission-driven financial institution. This key role involves owning the front-to-back architectural integrity of the investment platform, ensuring seamless integration across Portfolio Management (PMS), Investment Book of Record (IBOR), and Accounting Book of Record (ABOR). Responsibilities include defining the technical roadmap, influencing strategy, and ensuring scalable, resilient systems for long-term growth.Systems EvolutionDesign and oversee integrated PMS, IBOR, and ABOR architecture.Lead system transitions, integrations, and modernization.Investment Lifecycle ArchitectureArchitect solutions for complex events: capital calls, distributions, multi-tier funds, and valuation.Ensure architectural alignment across private equity and debt lifecycles.Service Design LeadershipLead Service Design workshops; translate requirements into scalable technical blueprints.Champion long-term architectural integrity.Architectural Output and GovernanceProduce high-quality architectural artefacts (HLDs, LLDs, integration patterns) aligned with enterprise standards.Ensure traceability from business requirements to implementation.Data and Reporting ExcellenceDesign and optimize back-end data models for r