Northside Built is a Northern Beaches based construction company specialising in high-end residential custom built homes, renovations and commercial projects. We're a small, hands‑on team that takes pride in delivering quality work and our reputation is built on the standard of every project we complete.

As our business continues to grow, we're looking for an experienced Construction Bookkeeper & Admin Assistant with accounts experience to help manage our day‑to‑day financial and administrative operations, ensuring everything behind the scenes runs efficiently.

This is a hands‑on role covering accounts and financial responsibilities alongside admin and office coordination. You'll own the accounts payable and receivable cycle, financial admin, and the liaising and processing of progress claims for clients through Buildxact, plus reviewing and processing payroll in Xero.

You’ll work closely with the Director and Site Supervisors.

This is a part‑time, casual role of approximately 15 hours a week, for example 3 x 5 hour days, with flexibility on which days best suit.

Key Responsibilities

Accounts

- Preparing progress claims in Buildxact
- Processing payroll and reconciling accounts in Xero
- Keeping on top of invoices and bills-to-pay
- Managing accounts receivable, including following up outstanding client payments
- Tracking business finances,



including profit and loss

Office Admin Support

- Managing our shared inbox and general day‑to‑day admin
- Providing hands‑on support to the Director
- Coordinating diary, correspondence and client communication
- Liaising with Site Supervisors to get the hours and details needed for progress claims
- Liaising with clients, subcontractors and other stakeholders as needed

Looking ahead, there’s scope to take on more of the operational side as you settle in.

What You’ll Bring

- Proven experience using Xero, including invoicing, reconciliation, accounts payable and payroll processing
- Prior experience in a bookkeeping or accounts administration role, construction or trades industry experience highly regarded
- Confident communicator, comfortable following up with the Director, clients and subcontractors to get information on time
- Strong attention to detail and reliability with recurring deadlines, such as progress claims and payroll cycles
- Positive general admin and email management skills
- Ability to work independently and prioritise tasks with minimal supervision
- A proactive mindset, with an interest in growing into a broader role over time

If this sounds like you, we’d love to hear from you.

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📌 Construction Bookkeeper & Admin Assistant (Mona Vale)
🏢 Northside Built
📍 Mona Vale