Administration Assistant – Stewart Civil

Belfast, Christchurch | 30 hours per week (with potential for more)

Stewart Civil is a well-established civil construction company specialising in 3 Waters (stormwater, wastewater and water), earthworks, drainage, pipe bursting, and related civil works across the South Island. We deliver high-quality projects for councils and major clients, with a strong focus on safety, reliability and getting the job done right.

We are looking for a reliable and organised Administration Assistant to join our Belfast, Christchurch team, with a strong focus on invoicing and supporting the day-to-day running of the office.

About the Role

This is a hands-on admin position with a clear emphasis on accurate and timely invoicing. You will support project managers and operations staff in a busy but practical environment.

Typical responsibilities include:

•         Preparing, processing and chasing invoices (a core part of the role)

•         Managing accounts receivable and following up on outstanding payments

•         Data entry, document management and filing (physical and digital)

•         Supporting project administration through Procore (our project management software)

•         Preparing and maintaining spreadsheets and reports in Excel

•         Assisting with purchase orders, timesheets and basic financial admin

•         Coordinating with site teams, suppliers and clients

•         Answering phones and handling enquiries professionally

•         Other admin duties as required

What We’re Looking For

•         Strong computer skills with solid proficiency in Microsoft Excel

•         Experience with (or willingness to learn) Procore construction management software

•         Excellent written and verbal English communication skills

•         A professional phone manner and the ability to deal confidently with clients, suppliers and site staff

•         Highly organised, accurate and detail-oriented (especially important for invoicing)

•         Previous experience with invoicing or accounts is highly regarded

•         A proactive, reliable attitude and the ability to work both independently and as part of a team

•         Previous experience in an administrative role (construction or trades background is an advantage but not essential)

Hours & Location

•         30 hours per week, with the possibility of additional hours as the business grows

•         Based in our Belfast, Christchurch office

•         Flexible start date for the right person

Why Join Stewart Civil?

You’ll be part of a growing, family-founded company that values practical people who take ownership and get results. We offer a straightforward workplace where your contribution is noticed and there is room to increase hours as opportunities arise.

How to Apply

To apply, please submit your CV and a short cover letter outlining your relevant experience (especially with Excel, invoicing, and any project management software) through Seek.

We look forward to hearing from you.