Workshop & Field Service Diesel Fitter

3 hours ago


Narrabri New South Wales, Australia WTC Group Aust Pty Ltd Full time $78,000 - $104,000 per year

About Us

WTC is a proudly family-owned civil construction company, operating across Northwest and Mid-Western NSW since 2013. We've built a strong reputation for delivering personalised, high-quality services with a hands-on approach.

At WTC, our people are our priority. We foster a supportive, team-oriented culture where you can grow your skills, work with modern equipment, and enjoy a rewarding career. From diagnostics to emergency breakdown support, we specialise in:

  • Heavy equipment repairs & maintenance
  • Mechanical & electrical diagnostics
  • Mobile hose replacement
  • Field service & breakdown response

About the Role

We are currently seeking an experienced and motivated Heavy Diesel Mechanic to join our team based in Narrabri. This is a full-time role offering a mix of workshop and field service work, supporting a modern fleet across multiple project sites.

Why Join WTC?

  • Competitive hourly rate: $60–$70/hour
  • Flexible roster options

  • Company vehicle supplied

  • Accommodation supplied where required

  • Salary packaging available via our partnership with Maxxia

  • Supportive, family-owned company with strong team culture

  • Opportunities to develop your skills and advance your career

  • Work with modern, well-maintained equipment

Key Responsibilities:

  • Diagnose and repair diesel engines, transmissions, and hydraulic systems
  • Conduct scheduled servicing and preventative maintenance
  • Perform field service work and emergency breakdown support on-site
  • Rebuild components and conduct mechanical inspections
  • Maintain accurate records using electronic job and maintenance systems
  • Manage parts and consumables
  • Liaise with supervisors and clients to schedule work and ensure timelines are met
  • Maintain safety standards, tools, and workspaces

What We're Looking For

Essential:

  • Certificate III in Heavy Commercial Vehicle Mechanical Technology
  • Proven experience with heavy diesel equipment, plant or fleet maintenance
  • Strong mechanical and diagnostic skills
  • Ability to work both independently and as part of a team
  • Current Class C driver's licence (HR licence preferred)
  • Willingness to travel to worksites as required
  • Excellent communication and time management skills

Desirable (Advantageous):

  • Civil construction or mining industry experience
  • High-Risk Work Licences (EWP, dogging, etc.)
  • Relevant RII qualifications (e.g., RIIEX, RIIWHS)
  • Experience using CMMS or digital maintenance systems

Ready to Apply?

Join a team that values professionalism, safety, and innovation. Apply now and take the next step in your diesel fitting career with WTC.

WTC is partnered with Maxxia to support salary packaging options for our employees, for more information visit:

WTC are an Equal Opportunity employer, committed to valuing and promoting diversity and inclusivity across the company. Women, minority groups and Aboriginal and Torres Strait Islander people are strongly encouraged to apply.



  • Marsden Park, New South Wales, Australia Private Advertiser Full time $90,000 - $120,000 per year

    Diesel Fitter – Workshop & Field ServiceLocation: Marsden Park/On-Site Across SydneyEmployment Type: Full-timeAre you a skilled and hands-on fitter looking for a role that offers variety and the potential to secure a permanent position? Join our team at Marsden Park, where you'll combine your workshop expertise with field service duties to keep our fleet...

  • Heavy Diesel Fitter

    2 weeks ago


    Gunnedah, New South Wales, , Australia Emeco Group Full time $165,000 per year

    Join the Heavy Hitters – We're Hiring a Heavy Diesel Fitter Ready to take your career up a gear? Emeco is on the hunt for a top-tier Heavy Diesel Fitter to keep our fleet of heavy earthmoving equipment running strong across the Gunnedah and NSW region.What's in It for You?Earn upwards of $165K+ per yearCompany Field Service Vehicle - Tamworth/Gunnedah &...


  • Edinburgh, South Australia HeavyIron Group Pty Ltd Full time $60,000 - $90,000 per year

    HeavyIron Fleet and Field Services is a family-owned South Australian company providing trusted mechanical support to the transport and construction industries.From our Edinburgh North workshop to on-site breakdowns across SA, we pride ourselves on quality workmanship, safety, and getting the job done right the first time.We're looking for a skilled and...

  • Workshop Fitter

    6 days ago


    Kooragang, New South Wales, Australia HMS Group Full time

    About UsHMS Equipment is a leading Australian provider of equipment, maintenance, and engineering services. We pride ourselves on quality workmanship, safety, and innovation across all projects.About the RoleWe are seeking a skilled and reliable Workshop Fitter to join our dynamic team. In this role, you will be responsible for assembling, repairing, and...

  • Fitter

    2 weeks ago


    Sydney, New South Wales , Australia Sofraco Full time $60,000 - $90,000 per year

    Mechanical FitterThe role will be primarily based at Garden Island Defence Precinct and our Alexandria Workshop, with works also carried in the Sydney region. There may be the occasional requirement to travel to remote or offshore destinations for testing and service work for short durations, which will be remunerated on top of your hourly rate.The...

  • Fitter Machinist

    2 weeks ago


    Kings Park, New South Wales, Australia Penske Australia Full time $90,000 - $120,000 per year

    Fitter Machinist Due to an internal promotion, we have an exciting opportunity for a Fitter Machinist to join our Remanufacturing East team at Kings Park. This permanent, full-time role involves hands-on machining work in our machine shop, workshop and field environments . You'll play a crucial role in ensuring our high-quality standards are met across our...


  • Eastern Creek, New South Wales, Australia Downer EDI Limited Full time

    Heavy Vehicle & Plant Mechanics - Eastern Creek | Competitive Pay, Night Shifts, Travel & Career Growth. Join Downer's expert team todayAt Downer we plan, create and sustain. Downer is the leading provider of integrated services in Australia and New Zealand. Through trusted relationships and world leading insight we work closely with our customers to design,...


  • Mudgee, New South Wales, Australia Coalroc Contractors Full time $100,000 - $120,000 per year

    About the role We're seeking an experienced Workshop Mechanical Fitter to join our team at Coalroc Contractors' in Mudgee at Glencores Ulan West mine NSW. This is a full-time position Monday through Thursday that will play a vital role in maintaining and repairing our heavy machinery and equipment used in our mining operations.What you'll be doingDiagnose,...


  • Chipping Norton, New South Wales, Australia Penske Australia Full time

    Field Service Technician - Off Highway Your New Opportunity: Due to an increasing workload, a fantastic full time, permanent role has come up for a Diesel Technician to join our Off Highway Field Service Team. You'll be based from Chipping Norton as a Field Service Technician, with a focus on power generation, marine, rail and industrial No two days will...

  • Diesel Mechanic

    2 weeks ago


    Wetherill Park, New South Wales, Australia Definitive Contracting Full time $60,000 - $120,000 per year

    About usDefinitive Contracting is an Australian start-up, specialising in full field service, breakdowns and in-field repairs for all earth-moving plant equipment. The Director has more than 25 years experience working with a wide range of plant equipment and brands including Komatsu, Cat, Hitachi, Volvo, Kubota and Hyundai. We have exceeded our business...