Executive Administrative Assistant

Do you excel in supporting senior leadership at the highest level, acting as a trusted partner and first point of contact within a high-performing executive office? Are you energised by complex, fast-paced environments where judgement, discretion and precision are key— this could be the role for you.

Aon is seeking an Executive Administrative Assistant to support a senior leader. Serving as a brand ambassador and operational anchor, this role provides executive support to the Chief Financial Officer, requiring a highly organised and proactive individual with the capacity to operate across senior leadership. The successful candidate will be expected to support cross-functional priorities and have the capability to manage the needs of up to two leaders. This position is UK, London based and a hybrid role, offering the flexibility to work both virtually and from our London office on a weekly basis.

Responsibilities include, but are not limited to:

• Supporting executive leadership through effective calendar management, travel coordination (including T&E processes), and technology logistics.
• Maintaining strong strategic partnerships.
• Facilitating prioritisation and decision‑making.
• Managing executive communications.
• Executing all tasks with precision and discretion.

What will the day look like?

• Executive Interface: Navigate interactions with senior leaders across the enterprise with grace and discretion.
• High‑Performance Culture: Thrive in a high‑intensity, fast‑paced environment with exacting standards.
• Calendar Stewardship: Own and protect the executive’s calendar—prioritise strategic time while balancing stakeholder needs.
• Calendar Optimisation: Distinguish between urgent, important, and flexible requests to maximise impact.
• Strategic Wellness: Proactively build space for deep thinking, reflection, and recovery.
• Travel Execution: Deliver near‑perfect travel coordination, including premium lodging and seamless transitions.
• Daily Logistics: Anticipate and handle needs—technology, documents, and meeting readiness.
• Time Efficiency: Operate with self‑sufficiency and ensure every interaction with the executive is high value.
• Precision: Demonstrate a high degree of accuracy in all tasks—details matter.
• Governance: Maintain accurate records, contact lists, and process documentation.
• Flexibility: Ability to constantly prioritise and re‑prioritise.
• Multi‑tasking: Comfortable being involved in many moving workstreams and requests.
• Communication: Clear and concise communicator (all mediums), serve as key liaison.
• Intuition: Understand unspoken needs and act before being asked.
• Partnership: Act as a key resource for the team, work hand‑in‑hand to streamline workflows and align with broader strategy, independently seek out answers to questions, take initiative, leverage network of resources to tackle problems.
• Strategic Support: Assist with special projects, process improvements, prepare materials, and track action items.

Skills and experience that will lead to success:

• Technical/Functional: Proficiency in Microsoft Outlook, Teams, Excel, and PowerPoint; exceptional written and verbal communication skills; experience supporting Senior Executives within a large matrixed organisation; proven track record to handle complex calendars and logistics; high discretion with confidential information.
• Leadership: Calm under pressure, with a proactive mindset; highly developed interpersonal skills and emotional intelligence; ability to influence without authority; professional polish and executive presence.
• Experience: Extensive experience in executive support roles; experience in financial services or corporate environments preferred; Bachelor’s degree or equivalent experience.