Fitter, Heavy Diesel

**Fitter, Heavy Diesel**:

- Job ID
- 931725
- Job Type
- Permanent Full Time
- Location
- Australia - Muswellbrook
- Categories
- Mining Maintenance
- Applications close
- 17 Nov 2025 AUS Eastern Daylight Time

**Work with a team of the best**

With a global business, we offer diverse and rewarding careers. Thiess are committed to being a company that values a culture where great people can excel and where they are developed and supported to reach their highest potential.

We will achieve these goals by being a safe, productive and people focused operation that exceeds our business and clients' expectations. We are seeking skilled personnel with similar mindsets to join our Team at Mt Arthur South.

**About the role**

In this role, you will:

- Perform the servicing, repair and maintenance of large-scale mobile mining equipment including CAT Trucks, Dozers and Graders, and other ancillary equipment as directed in accordance with Thiess servicing, lubrication, and maintenance systems documentation.
- Be working a 12.5hr shift lifestyle roster consisting of days, nights and weekend work.

With the expectations of:

- Working collaboratively towards delivering high quality solutions and results, whilst also ensuring all safety measures are implemented.
- Source technical information from the relevant available reference manuals, technical bulletins, OME and computer-based systems.

**About you**
- Trade Qualified Plant Mechanic, Certificate III - Automotive Mechanical Technology (Heavy Vehicle Mobile Equipment) or similar.
- Post-trade experience working in the Mining or Heavy Earth Moving Industry
- Experience in general maintenance, breakdowns, component changeouts and servicing of Heavy Earthmoving equipment
- Demonstrated experience with Liebherr and CAT large earthmoving equipment
- Demonstrated ability to work with cross functional teams
- You will also need to always possess a high regard and practice of health and safety

**What Thiess can do for you**
- Permanent full-time positions
- Even time, lifestyle rosters
- Tool Allowance of $1500 p.a.
- Thiess’ commitment to training & development
- Salary sacrifice options - Novated Leasing
- Range of corporate discounts including health insurance, travel & retail products
- Referral bonus program

**About us**

At Thiess, we partner with our clients to deliver excellence in open cut and underground mining in Australia, Asia and the Americas. For more than 85 years, we have operated in diverse commodities, geologies, environments and cultures. Our team uses global insight to optimise solutions and create value for each project, positioning them for optimal efficiency, productivity and cost performance, backed by how we meet our commitments. Thiess is committed to being at the forefront of sustainable mining, leveraging the power of our people and technology to support clients in their journey to more sustainable enterprises.

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

**How to apply**

This role is an opportunity 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.