Job Description

Officer, Administration Job ID Job Type Maximum Term Location Australia - Muswellbrook, Australia - Newcastle, Australia - Singleton Categories Administration / Support / Secretarial Applications close 13 Oct 2026 AUS Eastern Daylight Time n

Make your mark with Thiess

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Every day, all around the world, Thiess supports and celebrates our people. We recognise talent, reward transparency, champion diversity and embrace change.

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Join us and hone your skills and develop new ones. Take on big challenges and grow through mentorship, collaboration, and empowerment.

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About The Role

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Thie is a 12-month Maximum Term Contract. In this role you will be responsible for providing quality, timely administrative support to site and actively contribute to a positive teamwork environment while communicating openly and honestly at all times. This role has an option to work Mon-Fri, or work 3-4 days per week.

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Additionally, you will:

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- Extensive diary and email management
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- Stakeholder engagement across projects
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- Agenda preparation
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- Proof reading documents
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- Tracking of, and assistance with, projects
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- Formatting large documents
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- Attend meetings, preparing detailed and accurate minutes
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- Prepare and format correspondence
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- Coordinate the workflow of documents
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- Proactively assist Directors with diary management and scheduling appointments
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- Co-ordinate internal and external meetings/training - booking venues, ordering catering, inviting relevant stakeholders, and managing calendar scheduling
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- Organise events (site, offsite and community)
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About You

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- You will hold a Certificate III in business Administration or equivalent work experience
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- Proficient with Microsoft office
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- You are able to work collaboratively and manage relationships with others
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About Us

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Thiess works with clients in Australia, Asia, and the Americas in the dynamic field of open-cut and underground mining. The pioneering spirit of our founders - the legendary Thiess brothers - is our legacy and has inspired our vision to harness the power of people and technology to drive sustainable change for more than 90 years.
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At Thiess, we're creating a culture of curiosity, knowledge-sharing and continuous learning - supporting our people to contribute to Thiess' success and continued growth in sustainable mining.

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We recognise the value of an inclusive and diverse workplace through our vision: everyone matters always. We're focused on creating an inclusive environment to enable our people to bring their best self to work because they feel safe, included, and empowered.

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Learn more about working at Thiess.

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How to Apply

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This role is an chance to take the next step in your career. With our culture of recognition, development, and a stimulating and satisfying work environment, there is no better time to join Thiess.

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Please click the "apply" button below to apply for this role.

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Thiess follows a Pre-Employment Process for all successful applicants, which includes two employment references, a National Police Check, and a medical assessment. These checks are essential to your application, and your recruiter will support you through the process.

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Should you require assistance applying for this opportunity, please contact us at .

How to apply Applications close 13 Oct 2026 AUS Eastern Daylight Time

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