Expressions of Interest

2 weeks ago

Newcastle, New South Wales, Australia Thiess Full time $100,000 - $120,000 per year
Expressions of Interest - Heavy Diesel Fitter

Job ID

931565

Job Type

Permanent Full Time

Location

Australia - Muswellbrook, Australia - Newcastle, Australia - Singleton, NSW

Categories

Trade - Heavy Diesel Fitter

Applications close

26 Sep 2025 AUS Eastern Standard Time

Make Your Mark

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

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

Thiess is the place to make things happen.

About The Role

Thiess invites applicants to apply for the Expressions of interest for Heavy Diesel Fitter positions. We have multiple roles across our NSW Projects located in Singleton and Muswellbrook regions following various rosters. We have Roving field service, Workshop and on-site field service options.

We have several different roster options available to suit your lifestyle.

  • 5/4, 5/4, 5/5 Rotating roster
  • Mon-Thurs 12 hour Day shift
  • 5/2, 4/3 Day shift
  • Mon-Fri 10.5 hour Day shift

Various aspects of this role include

Workshop Crew

  • 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.

Rebuild Crew

  • Work in a brand new rebuild workshop facility with an overhead crane.
  • Conducting major rebuilds of the mobile fleet, including; CAT 793 & 789 Trucks, CAT D10 & D11 Dozers, CAT 24M Graders.

Field Crew – Breakdowns

  • Perform the servicing, repair and maintenance of large-scale mobile mining equipment including; Liebherr 9800, 9350, 996 Excavators & semi-autonomous CAT Drills.
  • As well as Terex Drill, CAT Trucks and Dozers and other ancillary equipment as directed in accordance with Thiess servicing, lubrication, and maintenance systems documentation.

Heavy Crew – Excavator & Drill

  • Perform the servicing, repair and maintenance of large-scale mobile mining equipment including Liebherr 9800, 9350, 996 Excavators & CAT 6250, 6310 Autonomous Drills as directed in accordance with Thiess servicing, lubrication, and maintenance systems documentation.
  • Completing planned maintenance shutdown work including but not limited to major component change outs, diagnosis and troubleshooting and reliability strategies.

Roving Field Service

  • Advanced breakdown and failure diagnostics on equipment

  • Machine overhauls and planned component changes

  • Mobilisation of fleets into and between our projects

  • Routine servicing, repair, and maintenance of mobile mining equipment on multiple Thiess and client sites

About You

This position will suit someone who has experience maintaining the following machinery:

  • Caterpillar Haul Trucks

  • Caterpillar Loader

  • Caterpillar tracked and ancillary equipment.

  • Komatsu tracked equipment.

  • Experience maintaining Liebherr Excavators (not essential but highly regarded)

Position requirements

  • Trade Certificate as a Plant Mechanic or equivalent

  • Valid Australian Drivers licence

  • Valid Australian Citizenship or visa

  • Post-trade experience in maintenance, diagnosis, component changeouts, and servicing of heavy earth moving equipment.

  • Self-motivated with a strong work ethic

  • Any of the following will be highly regarded:

  • Experience maintaining Liebherr Excavators

  • Working a heights

  • MDG25

  • High Risk Work Licence - WP, DG, LF etc

What Thiess Can Do For You

  • Permanent full-time positions with various rosters available

    • Overtime available

  • Thiess' commitment to training & development.

  • Salary sacrifice options – Flights & novated leasing

  • Range of corporate discounts including health insurance (Medibank), travel & retail products.

How to Apply

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.

Visit our website to learn more –

  • Expressions of Interest

    2 weeks ago

    Newcastle, New South Wales, Australia Thiess Full time $180,000 - $250,000 per year

    Expressions of Interest - Superintendent, ProductionJob ID931668Job TypePermanent Full TimeLocationAustralia - Muswellbrook, Australia - Newcastle, Australia - Singleton, NSWCategoriesSupervisory / Management, Mining OperationsApplications close31 Oct 2025 AUS Eastern Daylight TimeLead a team of the BestWith a global business, Thiess offers diverse and...

  • Expressions of Interest

    2 weeks ago

    Newcastle, New South Wales, Australia Thiess Full time $120,000 - $180,000 per year

    Lead a team of the bestAt Thiess, we are committed to creating a safe, inclusive, and high-performance culture. Our team at Mount Arthur South plays a key role in delivering safe, efficient, and sustainable mining solutions.About The RoleThiess are seeking Expression of Interests for a Pit Services / Projects Superintendent to lead the delivery of critical...

  • Expression Of Interest

    2 weeks ago

    Newcastle, New South Wales, Australia One Rail Australia Full time $90,000 - $120,000 per year

    We are always on the lookout for passionate, talented Train Drivers to join our team. This Expression of Interest (EOI) is your opportunity to introduce yourself and be considered for future roles as they become available. This is a rolling advertisement. We review EOIs regularly and will reach out when a suitable opportunity arises. Your application will be...

  • Expression Of Interest

    6 days ago

    Newcastle, New South Wales, Australia One Rail Australia Full time $60,000 - $120,000 per year

    We are always on the lookout for passionate, talented Train Drivers to join our team. This Expression of Interest (EOI) is your opportunity to introduce yourself and be considered for future roles as they become available. This is a rolling advertisement. We review EOIs regularly and will reach out when a suitable opportunity arises. Your application will be...

  • Expressions of Interest

    6 days ago

    Newcastle, New South Wales, Australia City of Newcastle, Australia Full time $40,000 - $60,000 per year

    Looking for a Career-ready Placement with a difference?The FutureFit  Internship Program has been developed to provide University students with a placement experience that introduces them to the diversity and potential of a career with the City of Newcastle.  As an intern you will apply your academic knowledge in a real-world setting while developing...

  • Expression of Interest – Marine Construction Professionals

    1 week ago

    Newcastle, New South Wales, Australia M and J Marine Services Full time $90,000 - $120,000 per year

    Expression of Interest – Marine Construction Professionals, Carpenters & SkippersM&J Marine Services | Port Stephens, NSW | Full-time & Casual OpportunitiesAbout UsWe're M&J Marine Services, a family-owned marine and civil construction contractor based in Port Stephens. Since 2018, we've been building NSW's waterfronts — from on-water piling and bridge...

  • Expressions of Interest

    2 weeks ago

    Newcastle, New South Wales, Australia NGM Group Full time $104,000 - $130,878 per year

    Stay tuned for the job ads coming next week:These roles are a great opportunity if you enjoy:*Working on campaigns that make a difference — from community initiatives to sustainability programs.* The flexibility of hybrid working, with our office hub based in Newcastle.*Being part of an organisation that genuinely gives back to the community.

  • Expression of Interest

    6 days ago

    Newcastle, New South Wales, Australia Uniting Full time $104,000 - $130,878 per year

    AtUniting NSW.ACT, we believe every child deserves a great start in life – and that starts withyouWe're inviting passionate, reliable, and values-driven educators to join ourtalent poolacross theNewcastle, Hunter and NSW Central Coast Region.Whether you're an experienced Early Childhood Teacher, Diploma-qualified Educator, Certificate III holder, or an...

  • Expression of Interest

    3 days ago

    Newcastle, New South Wales, Australia integratedliving Australia Limited Full time $90,000 - $120,000 per year

    We're Growing – Join Our Team of Registered NursesAt integratedliving Australia, we're expanding our community and home-based health services across rural, regional, and remote areas. Our mission is simple but powerful: to empower people to live healthy, independent, and active lives.As we grow, we're excited to offer new opportunities for passionate...

  • Store Managers in Training, Expression of Interest

    6 days ago

    Newcastle, New South Wales, Australia Kmart Australia Full time $60,000 - $120,000 per year

    Brighter Futures Start here As Australia's biggest and most loved retailer, we've been brightening up everyday life for families for over 50 years. At our stores, distribution centres, and offices in Australia and New Zealand. All around the globe. Our diverse and inclusive 47,000 strong team come together for a common cause. Giving families easy access to...