Senior Administrative & Executive Assistant – Global Ops

Aon plc; Ciudad de México; On-site; MXN 420,000 - 540,000; Full time

Job summary

Aon plc is seeking an experienced Senior Administrative Support in Mexico City. The role supports multiple Business Leaders with high-level administrative and operational tasks, managing complex calendars, travel, and confidential information with discretion.

You will coordinate meetings (in-person and virtual), draft communications, and ensure materials are prepared for leadership, while maintaining professional interactions with internal and external stakeholders.

Qualifications

• Bachelor’s degree or equivalent experience.
• Fluent English (verbal and written) at least C1 level.
• 3–4 years of prior administrative or office experience in a professional, client-oriented environment.
• Proficiency with Microsoft Office (Outlook, Word, Excel, PowerPoint) and virtual collaboration tools (Teams, Zoom).
• Strong organizational and time-management skills, with the ability to manage multiple priorities and deadlines.
• Excellent interpersonal and communication skills, with the ability to interact with stakeholders at all levels.

Responsibilities

• Serve as a primary point of contact for Business Leaders with clients, third parties, internal colleagues, and direct reports.
• Proactively manage multiple complex calendars across multiple time zones, including scheduling and prioritizing meetings.
• Monitor and manage email inboxes, including drafting, reviewing, and prioritizing correspondence.
• Plan, coordinate, and support internal and external meetings (in-person and virtual) with logistics.
• Coordinate domestic and international travel, including flights, hotels, and itineraries.
• Prepare and review expense reports and reimbursements per policy; track approvals and discrepancies.
• Produce, format, and proofread professional documents in line with brand standards.
• Maintain distribution lists, organizational charts, and contact databases.

Skills

Advanced English

Time-management

Interpersonal skills

Written and verbal communication

Education

Bachelor’s degree or equivalent experience

Tools

Microsoft Office

Teams

Zoom

Job description

Aon plc is seeking an experienced Senior Administrative Support in Mexico City. The role supports multiple Business Leaders with high-level administrative and operational tasks, managing complex calendars, travel, and confidential information with discretion.

You will coordinate meetings (in-person and virtual), draft communications, and ensure materials are prepared for leadership, while maintaining professional interactions with internal and external stakeholders.