Administrator Site

About the Role

We are now seeking an experienced Site Administrator who thrives in fast-paced, complex environments and wants their work to directly support large-scale mining success.

As a Site Administrator, you will be the operational heartbeat of the site — ensuring seamless coordination, accurate reporting and efficient administrative support that keeps our teams moving safely and productively. This position is offered on a 5:2 DIDO roster and is a residential opportunity based in Kalgoorlie, allowing you to enjoy a consistent work-life balance while remaining connected to a close-knit local community.

What will your day-to-day look like?

• Coordinating with teams, clients and stakeholders across site.


• Keeping office operations efficient, compliant and organised.


• Managing production data, payroll and employee records.


• Coordinating travel and accommodation for personnel, maintaining rosters, processing site documentation and ensuring timely communication with employees, clients and internal teams.


• Handling general office duties, purchase orders, reporting and onboarding of new starters, while upholding best-practice standards and maintaining key systems such as MINREP.


• Building effective working relationships across teams while delivering strong administrative support to ensure smooth site operations and achievement of departmental goals.

Our ideal candidate background includes

• Minimum 3 years' Site Administration experience within the mining industry.


• Previous site-based administration experience in a mining environment.


• Strong skills in Microsoft Excel, Word and Outlook.


• SAP or similar ERP system experience (desirable).


• Excellent communication, organisational and time management skills.


• High attention to detail and the ability to work autonomously.


• Full Australian work rights.


• Ability to reside in or relocate to Kalgoorlie.

What can we offer you?

• Competitive salary package with superannuation.


• 5:2 DIDO roster – residential Kalgoorlie position.


• Long-term career opportunities with a global mining organisation.


• Significant training and professional development opportunities.


• Employee discounts across health, technology, travel, entertainment, retail and more.


• Work within a collaborative, values-driven team environment.


• Opportunities for career progression across the broader Perenti Group, both nationally and internationally.

About Barminco

Barminco, part of the Perenti Group, is a global leader in high-speed development and underground hard rock mining services. With more than 35 years of experience and a team of 7,000 people across Australia, North America and Africa, we deliver safe, innovative and efficient solutions for our clients every day.

When you join Barminco, you'll work with cutting-edge equipment, proven systems and a team that values safety, respect and growth. We offer exciting career pathways, global opportunities and the chance to make an impact in a world-class mining environment.

Recruitment Process

We're committed to creating an inclusive workplace where diverse perspectives and experiences drive success. We welcome applications from all backgrounds and encourage you to apply if you're passionate about contributing to our team.

Successful candidates will need to meet ourpre-employment requirements, including a medical assessment, drug and alcohol screening, and a valid National Police Clearance. Proof of working rights in Australia is also required.

How to Apply

Click on the Apply button to start your journey and join the Barminco team today.

Find out more about Barminco on our website: www.barminco.com.au