Business Architect (BPSS Cleared) - 6 months - Leiston, Suffolk - Inside IR35

Business Architect (BPSS Cleared) - 6 months - Leiston, Suffolk - Inside IR35 We are seeking a Business Architect (BPSS minimum clearance) to join a leading UK critical national infrastructure organisation on a 6-month hybrid contract based in Leiston, Suffolk (3 days on-site, with travel to site required). The successful candidate will support the Business Architecture Lead in defining, planning, and delivering Business Architecture projects for the Customer Digital & IT team, designing effective and efficient business operating models and ensuring proposed changes are strategically aligned and deliver measurable benefits. Responsibilities: Lead early-stage project definition, develop project mandates, and prepare investment cases Maintain broad understanding across Business Architecture disciplines to ensure integrated solutions Operate within governance structures, ensuring compliance with industry standards and licence obligations Coordinate site connectivity initiatives, acting as primary interface between site operations, Digital & IT, suppliers, and delivery teams Support mobilisation of connectivity services into new buildings and operational areas Ensure governance, assurance, and approval activities are completed Coordinate supplier activities, tracking commitments and escalating delivery risks What You Will Ideally Bring: Experience in business architecture disciplines: process management, business analysis, management information, or IT system development Experience delivering solutions that remove duplication and improve operational efficiency Experience coordinating complex infrastructure, facilities, telecommunications, or connectivity projects, including large site mobilisation programmes Familiarity with ONR licence conditions and cyber/nuclear security requirements Experience with formal project management approaches (PRINCE2, EDF Project Way) and procurement (RFI, ITT) Proven experience developing inve