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Costing and invoicing officer

Perth
Warrikal
Posted: 21h ago
Offer description

* Fast paced, hands on role supporting finance, operations & stakeholders
* Great team environment with opportunities to improve processes and add value
* West Perth based role

Warrikal is a dynamic, majority Aboriginal-owned, and operated business that has rapidly emerged as a formidable force in the resources and minerals sector of WA. The company established itself as a leading provider of maintenance, shutdown, and specialised project services, cementing its reputation as a trusted and efficient provider. Warrikal has cultivated a strong team culture that drives outcomes our clients rely on and creates an environment where employees feel valued, engaged, and motivated.

The Role

This key position within the Finance Team provides crucial support to the Financial Controller and wider finance function. You'll work closely with internal and external stakeholders, ensuring high-quality communication with clients while supporting service requirements across the business. The role combines Accounts Receivable, job costing, estimating, invoicing, reconciliation, and project accounting within a fast-paced mining services environment.

This role would suit a Project or Site Administrator who has had strong exposure to invoicing, time capture and billing in a mining or shutdown environment.

Key Responsibilities

* Manage the preparation and submission of job estimates for client works
* Assist in the timesheet review and approval process including preparing any necessary reconciliations
* Prepare timesheet exports and invoicing to the client
* Setup and administer jobs in the system
* Provide overall assistance within the Accounts Receivable function including the follow up of pending client outstanding purchase orders, timesheets and overdue payments
* Prepare job profitability reports analysing actual to budget performance for Operational Managers
* Build trusted relationships with key internal and external stakeholders
* Act as a primary point of contact for stakeholder enquiries, issues and assist in resolving concerns promptly
* Assist in the preparation and processing of monthly journals for allocation of labour, plant and equipment and subcontractor costs where necessary
* Assist in the preparation and review of monthly work in progress balances
* Assist with the preparation of monthly reporting to the Executive Team
* Assist the Finance team with ad-hoc duties as required

About You

* 2–3 years' experience in finance, accounts or project/site administration
* Experience with invoicing, reconciliations and job costing
* Mining Services or shutdowns exposure
* Excellent attention to detail, communication and stakeholder engagement
* Able to work independently in a high‐volume, fast‐moving environment

Why Warrikal

* Learn from experienced professionals dedicated to your success
* Recognition, rewards and ongoing opportunities
* Flexible work arrangements (conditions apply)
* Access to mental health support (EAP)
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Send an application
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