About the role

This is a highly trusted and varied Senior Executive Assistant position supporting the Principal of a private family office across a diverse range of business, personal and operational interests. You will play a key role in keeping the Principal's skilled and personal commitments running seamlessly, while working closely with senior stakeholders, service providers and external advisers. The role provides an opportunity to take responsibility for and manage people, as well as become involved in HR-related matters in conjunction with external Employment Lawyers.

Key responsibilities

- Anticipate the Principal's needs and proactively identify solutions before issues arise

- Provide high-level, day-to-day executive, administrative and diary support to the Principal across multiple business interests and personal commitments

- Arrange and coordinate domestic and international travel, accommodation, itineraries and logistics, including travelling alongside the Principal when required

- Act as a trusted and professional point of contact between the Principal and internal and external stakeholders

- Handle highly confidential, sensitive and private information with absolute discretion and professionalism

- Assist with the coordination and administration of the Principal's assets and personal logistics, including liaising with service providers, contractors and advisers

- Provide hands-on support for meetings, business commitments, private functions and events

- Track follow-ups, actions, tasks and deadlines across business and personal matters, ensuring nothing falls through the cracks





- Assist with the coordination and management of staff, with the opportunity to take on broader people-management responsibilities

About You

- 3–5 years’ experience as an Executive Assistant in a corporate, executive, private office or similar environment

- Highly organised, proactive and detail-oriented, with the ability to manage competing priorities

- Exceptional discretion and experience handling confidential and sensitive information

- Qualified, mature and confident when dealing with senior executives, advisers, lawyers and external stakeholders

- Strong communication and interpersonal skills

- Confident managing people and coordinating teams

- Exposure to HR matters and comfortable working alongside Employment Lawyers and external advisers

- Adaptable, solutions-focused and willing to go the extra mile

- Willing and able to work flexibly across global hours and time zones, including outside standard business hours when required.

- This role requires the ability to respond to Principal-related contact outside standard hours where genuinely necessary — particularly during the Principal's international travel.

The successful candidate will benefit from:

- Clear long-term progression opportunities.

- Increased responsibility and autonomy as trust is established.

- Exposure to high-level business operations and senior executive support.

- Opportunities to develop people-management and HR experience.

- Exposure to legal, employment and professional advisory matters.

- The opportunity to become a trusted and integral member of the Principal’s wider support team.

📌 Senior Executive Assistant - Family Office (Sydney)
🏢 TrustGrid
📍 Sydney