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Office Administrator

2 weeks ago


Sydney, New South Wales, Australia Atomic Business Advisers Full time $60,000 - $80,000 per year

Office Administrator / Receptionist

Atomic Business Advisers – Earlwood, Sydney

Full-time | In-office role | Immediate start preferred

Who we are

Atomic Business Advisers is a forward-thinking advisory firm based in Earlwood with a legacy that stretches back to 1962. We are a values-driven team that advises business owners and high-income earners who are serious about wealth creation and long-term growth. We are proud of our client relationships that span decades, and we are just getting started.

We are entering a high-growth phase and are now looking for a standout Office Administrator / Receptionist to join our team.

About the role

This is not a standard front desk role. You will be the first point of contact for clients and a key player in ensuring our internal operations run smoothly. We want someone who sees this as their domain — who is proactive, switched-on, and ready to take charge.

This is a great opportunity for someone who wants to build a long-term home in a growing, modern, and high-integrity workplace.

Key responsibilities


• Greet clients and visitors in a warm, professional manner — both in person and over the phone

• Manage reception duties, including incoming calls, messages, and meeting room coordination

• Make tea/coffee for client meetings and ensure the office space is kept tidy and welcoming

• Manage calendars, coordinate meetings and appointments for multiple accountants

• Monitor the general email inbox and forward/respond as needed

• Process incoming and outgoing mail and courier deliveries

• Maintain office supplies and liaise with suppliers when needed

• Provide general administrative support to our team of accountants

• Update internal systems (e.g. client database, meeting records)

• Liaise with clients to request documentation or follow up outstanding information


• Collation of electronic client document


• Invoicing.

Who we are looking for

• Someone who is proactive and takes responsibility for their area — not just waiting to be told what to do

• A strong communicator who is comfortable engaging with clients at all levels

• Organised, efficient, and great at juggling multiple tasks at once

• Tech-savvy and willing to learn (we are a paperless, cloud-based office)

• Positive, can-do attitude with a high level of initiative

• A team player who wants to be part of a great culture, and contribute to it

• Previous experience in a similar admin/reception role in professional services preferred, but not essential


• Experience using Xero accounting software an advantage.

Why join Atomic?

• A stable business with a 60+ year history and exciting growth plans ahead

• Friendly, high-performing team in modern offices in Earlwood

• Long-term career role with room to grow into expanded responsibilities

• Genuine work-life balance and respect for personal time

• A team and culture you will be proud to be part of

How to apply

Please submit your resume along with a cover letter telling us a bit about yourself and why you think you'd be a great fit for this role. You must provide a cover letter to be considered.

Please note: Only Australian citizens and permanent residents will be considered for this role.

Given the responsibilities of this position, working from home isn't an option.