We''re seeking an experienced Senior Office Administrator with proven procurement management expertise to deliver exceptional office support and drive efficient vendor management in a high-profile international environment. Job Title: Senior Office Administrator Location: Belgravia, London Pay: 19 - 21 per hour Duration: 6-12 months (Maternity Cover) Hours and Work Schedule: Monday - Friday, 8:30am-5:30pm (flexibility often required for business needs) Start Date: April 2026 Role PurposeTo provide best-in-class office and administrative support to a high-profile international office, while ensuring the effective management of procurement activities in line with approved policies and procedures. The role is responsible for overseeing vendor performance, ensuring timely and high-quality delivery of services, and maintaining compliance with procurement guidelines across all departments, requiring a high level of professionalism, discretion, and attention to detail. ResponsibilitiesDeliver exceptional office and administrative support within a fast-paced, high-profile environment.Support the preparation of action trackers, procurement logs, and management actions, ensuring compliance with procurement procedures outlined in the Manual.Report spending on the company credit card and assist with due diligence support for procurement processes.Prepare RFP and NDU documents for the Head of Operations'' approval, ensuring alignment with sustainability goals.Manage supplier performance a