Capstone Civil Group is a collaborative, reliable and commercially focused civil construction and remediation contractor specialising in civil engineering, hazardous material remediation, project management and contractor solutions.

As a proudly Indigenous-owned business, we are committed to delivering high-quality outcomes, building strong client relationships and creating infrastructure that stands the test of time.

Due to continued growth across our Defence, Government and commercial projects, we are seeking an organised and proactive Office & Accounts Administrator to join our Canberra team on a part-time basis.

About the Role

As This is a varied, hands-on role supporting the effective day-to-day operation of our Canberra office. You will provide administration and accounts support across the business while helping our senior leadership and project teams stay organised and connected.

You will be a key point of contact for employees, clients, subcontractors, suppliers and visitors. The role would suit someone who enjoys variety, takes pride in keeping things running smoothly and is comfortable working independently in a busy construction environment.

The position is office-based in Canberra, with the working days and hours to be agreed with the successful applicant.

Key Responsibilities

Support the delivery of our projects

Provide general office administration and reception support

Manage incoming calls, correspondence, mail and visitor enquiries

Check invoices, purchase orders, receipts and supplier statements

Maintain filing systems, company records, registers and databases

Order stationery,



consumables and other office supplies

Coordinate meeting rooms, appointments, travel and accommodation

Prepare correspondence, reports, meeting agendas and minutes

Maintain company databases

Provide administrative support to senior leaders and project teams

Assist with employee onboarding, training records, leave, licences and compliance documentation

Support company events and other general business activities as required

Maintain accurate records in Xero including coding of invoices and matching POs and invoices

Plant/vehicle administration – registrations, servicing, repairs, fuel/toll accounts, registers etc

About You

To be successful in this role, you will ideally possess:

Previous experience in office administration, accounts administration or a similar business support role

Experience processing invoices and supporting accounts payable and receivable functions

Strong organisational skills and the ability to manage competing priorities

Excellent attention to detail and a high level of accuracy

Confident written and verbal communication skills

Strong Microsoft Office skills, including Word, Excel and Outlook

A professional, approachable and service-focused manner

The ability to work independently, use initiative and follow tasks through to completion

Sound judgement when handling confidential or commercially sensitive information

Experience in construction, civil works, engineering or a project-based environment would be highly regarded

Experience with Xero would be highly regarded

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📌 Office & Accounts Administrator (Canberra)
🏢 Capstone Civil Group
📍 Canberra