Senior Business Analyst (Integration Projects) Client: IBM Consulting End Client: Nationwide Building Society Type: Contract (Inside IR35) Location: Hybrid, with travel to Swindon and London at least once per week Duration: 3 month rolling contract Rate: £550 per day (Inside IR35) Clearance: BPSS Eligable Role Overview IBM is seeking an experienced Senior Business Analyst to support a major integration programme for Nationwide. This role will play a key part in leading requirements gathering, defining functional designs, and ensuring alignment across multiple business and technical work streams within a complex integration landscape. The successful candidate will be responsible for working closely with a broad range of stakeholders, identifying and documenting business requirements, and translating these into clear functional specifications. Given the number of interconnected systems and integration points involved, strong stakeholder engagement and coordination skills are essential. Key Responsibilities Lead business analysis activities across complex integration projects. Facilitate requirements gathering workshops with business and technical stakeholders. Elicit, analyse, challenge, and document business and functional requirements. Produce high-quality functional design documentation and process models. Act as the liaison between business users, architecture, development, testing, and delivery teams. Manage stakeholder expectations across multiple teams and work ..... full job details .....