Sr. Administrative Assistant

Are you highly organized, detail‑oriented, and energized by helping a team run smoothly every day? Do you enjoy coordinating information, managing calendars and documentation, and being the “go‑to” person who keeps things on track? This could be a great fit for you

This is a hybrid role based in Mexico City, with the flexibility to work both virtually and from our local office, in line with Aon’s Smart Working policy.

Aon is in the business of better decisions
At Aon, we shape decisions for the better to protect and enrich the lives of people around the world.
As an organization, we are united through trust as one inclusive and diverse team, and we are passionate about helping our colleagues and clients succeed.

How the day will look like
As an Sr. Administrative Assistant, you will play a key role in supporting the daily operations of our team and ensuring that administrative tasks are handled efficiently and accurately.
You will:
• Coordinate agendas, meetings and conference calls, including booking rooms,



sending invitations and preparing basic materials or summaries.
• Support document management: create, format and update files, presentations and reports in Word, Excel and PowerPoint, ensuring accuracy and proper version control.
• Assist with tracking information in spreadsheets and simple databases (e.g., contact lists, action logs, status trackers), helping the team keep information up to date.
• Manage incoming communications (emails, calls, requests), redirecting them to the appropriate person and following up where needed.
• Provide logistical support for team activities (e.g., training sessions, visits, events), handling basic coordination tasks.

What makes this opportunity different?
This role gives you:
• Exposure to a general, professional services environment, where you will interact with colleagues from different areas and levels.
• The chance to develop strong administrative and organizational skills that can serve

📌 Senior Administrative Assistant (Ciudad de México)
🏢 Aon
📍 Ciudad de México