Officer, Administration Job ID 933020 Job Type Maximum Term Location Australia - Muswellbrook, Australia - Newcastle, Australia - Singleton Categories Administration / Support / Secretarial Applications close 13 Oct 2026 AUS Eastern Daylight Time

Make your mark with Thiess

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

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

About The Role

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.

Additionally, you will:

- Extensive diary and email management
- Stakeholder engagement across projects
- Agenda preparation
- Proof reading documents
- Tracking of, and assistance with, projects
- Formatting large documents
- Attend meetings, preparing detailed and accurate minutes
- Prepare and format correspondence
- Coordinate the workflow of documents
- Proactively assist Directors with diary management and scheduling appointments




- Co-ordinate internal and external meetings/training - booking venues, ordering catering, inviting relevant stakeholders, and managing calendar scheduling
- Organise events (site, offsite and community)

About You

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

About Us

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.

Learn more about Our Vision, Purpose & Values .

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.

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 protected, included, and empowered.

Learn more about working at Thiess.

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📌 Officer, Administration (New South Wales)
🏢 PageUp Results
📍 New South Wales