Role: Senior Administrative Assistant (with CEO Support) Industry: Financial Service Organisation Location: City of London Working Pattern: 4 days office-based, 1 day working from home Salary: Up to £38,000 p.a A highly regarded investment organisation based in the City of London is seeking a proactive and highly organised Senior Administrative Assistant to support its CEO and wider team. This is a varied and responsible role, offering a unique blend of executive support, membership coordination, and office administration within a professional and collaborative environment. This position is ideal for someone who enjoys working at pace, thrives on organisation, and is confident managing multiple priorities while maintaining a high level of accuracy and professionalism. This is a broad and dynamic position with three core areas of responsibility: C EO Administrative Support Providing dedicated support to the CEO, including complex diary management and scheduling Coordinating meetings, events, and travel arrangements Supporting the organisation of CEO-led events (e.g. member breakfasts, lunches, and dinners) Preparing materials, briefing packs, and documentation as required Membership & Onboarding Managing the membership inbox and responding to enquiries, ensuring excellent stakeholder engagement Coordinating member onboarding processes and maintaining accurate records Updating website and CRM systems, ensuring data accuracy Managing mailing lists and supporting member communications Assisting with membership renewals and ongoing relationship management Office Administration Supporting the smooth day-to-day running of the office Acting as a first point of contact for visitors and external stakeholders Managing office supplies, equipment, and supplier relationships Assisting with office coordination, including a potential move to a serviced office About You You’ll be an experienced and adaptable administrative professional who is confident supporting senior stakeholders and enjoys a varied role. Previous experience in a Senior Administrative Assistant, Team Assistant, or Executive Assistant role, with strong organisational skills and the ability to manage competing priorities. You are proactive, adaptable, and solutions-focused, with a strong sense of ownership and the ability to thrive in a varied, fast-paced environment. Benefits Annual bonus of up to 10% of salary (discretionary) 28 days holiday up to 3 additional discretionary days Private healthcare Life insurance This is an excellent opportunity to join a respected investment organisation in a role that offers real variety, responsibility, and exposure to senior leadership. REF: OE172803 Tiger is B Corp Certified. We are part of a global movement of businesses committed to improving social and environmental conditions around the world.