About Us

OH Civil (WA) Pty Ltd is a growing civil construction company based in Perth, Western Australia. We specialise in sewer and water main extensions, subdivisions, earthworks, drainage, road construction and underground services.

We are looking for an experienced, organised and reliable Construction Administrator to assist with the day-to-day administration, payroll, accounts and financial management of our projects.

This is a flexible work-from-home position, ideally suited to someone with previous construction administration experience who can work independently, take ownership of their responsibilities and help keep the business running smoothly.

Key Responsibilities

General Administration & Emails

- Manage and respond to daily emails from clients, engineers, suppliers and subcontractors.

- Follow up outstanding correspondence, quotations, approvals and project requirements.

- Maintain organised project folders, emails and documentation.

- Prepare professional letters, notices and general correspondence.

- Assist with general day-to-day business administration.

Payroll & Xero

- Manage and process weekly or fortnightly employee payroll using Xero.

- Collect, review and process employee timesheets.

- Calculate employee hours, overtime, allowances and leave entitlements.

- Maintain accurate employee payroll records and leave balances.

- Assist with superannuation, Single Touch Payroll reporting and other payroll obligations.

- Liaise with the company accountant regarding payroll and accounts.

Accounts, Invoicing & Progress Claims

- Prepare and submit monthly construction progress claims.

- Prepare and manage invoices through Xero.

- Monitor outstanding invoices, payments and accounts receivable.





- Process and reconcile supplier invoices against purchase orders and delivery records.

- Assist with accounts payable and supplier payment preparation.

- Maintain accurate project cost records and financial documentation.

- Assist with preparing, tracking and following up variations and additional works.

- Follow up outstanding progress claims and payments with clients.

Compliance & General Project Support

- Maintain employee and subcontractor compliance documentation.

- Organise SWMS, insurance certificates, licences and other safety documentation.

- Assist with project checklists, registers and reporting.

- Ensure project administration and documentation remain organised and up to date.

Skills & Experience Required

- Previous experience in construction administration, preferably within the civil construction industry.

- Demonstrated experience using Xero for payroll, invoicing and accounts administration.

- Experience processing employee wages, timesheets, overtime and allowances.

- Experience preparing construction progress claims and managing invoices.

- Valuable understanding of construction contracts, purchase orders and variations.

- Strong Microsoft Outlook, Excel and Word skills.

- Excellent written and verbal communication skills.

- Strong organisational skills and attention to detail.

- Ability to work independently, manage competing priorities and meet deadlines.





- Confidence communicating with clients, suppliers, subcontractors and engineers.

Highly Regarded

- Previous experience working for a civil construction contractor.

- Knowledge of sewer, water, drainage, earthworks, subdivisions or roadworks.

- Experience with construction progress claims, retentions and variations.

- Understanding of Australian construction payroll requirements.

- Experience using Microsoft SharePoint, OneDrive and other project management systems.

- Familiarity with Water Corporation processes and local authority approvals.

- Experience assisting with tender submissions and estimating.

- Based south of the river in Perth, ideally around the Fremantle or Melville area.

What We Offer

- Flexible work-from-home arrangement.

- Part-time hours with the opportunity to transition into full-time employment.

- Competitive remuneration based on experience.

- Opportunity to work directly with the business owner.

- A varied role covering administration, payroll, accounts and project support.

- Opportunity to take on greater responsibility as the business grows.

- A supportive and flexible working environment within a growing civil construction company.

How to Apply

If you are an organised and experienced administrator with a background in construction, payroll and accounts, we would like to hear from you.

Please submit your resume along with a brief cover letter outlining your relevant experience, particularly with Xero, payroll, construction progress claims and general administration.

We are looking for someone who can work independently, take initiative and become a valued part of OH Civil as the business continues to grow.

📌 Civil Construction Project Administration (Fremantle)
🏢 OH Civil
📍 Fremantle