Heavy Diesel Mechanic - Workshop (Construction)

Posted Date:  5 Aug 2026
Location: 

Perth Precinct, WA, AU

Join WesTrac's New Machines Construction team at Perth Airport as a Plant Mechanic, working with industry-leading Cat® construction equipment. This workshop-based role offers variety, ongoing technical development and the opportunity to build a long-term career with one of the world's leading Caterpillar dealerships.

Department Overview

Reporting to the Workshop Supervisor, you'll join a supportive and safety-focused team responsible for completing dealer-installed options, customer-requested modifications, diagnostic troubleshooting and warranty repairs on Caterpillar construction equipment. Working within a modern workshop environment, you'll be supported by experienced leaders and have access to ongoing training and development through the award-winning WesTrac Institute.

 

Roster

8 Days On, 6 Days Off | Day Shift Only | 12 Hours Per Day

Enjoy a Perth-based roster that allows you to be home every night while working on some of the industry's leading equipment.

 

What You'll Do

  • Complete dealer-installed options and customer-requested modifications on CAT construction equipment – Skidsteers, Mini Excavators, Graders, Dozers & Loaders.
  • Diagnose and troubleshoot mechanical, hydraulic and electrical faults.
  • Carry out warranty repairs and product improvement programs.
  • Conduct machine testing, calibrations and pre-delivery inspections.
  • Complete service reports and maintain accurate documentation.
  • Ensure all work is completed safely, efficiently and to a high standard.

 

Skills & Experience

  • Australian-recognised Heavy Mobile Plant, Mobile Plant Mechanic or Heavy Vehicle Trade Certificate.
  • 3+ years' post-trade experience working on CAT construction equipment.
  • Experience on BCP machinery range is ideal
  • Strong diagnostic and fault-finding skills.
  • Ability to read and interpret technical manuals, schematics and diagrams.
  • Ability to work autonomously and within a team environment.
  • Strong commitment to safety, quality workmanship and customer service.
  • Alignment with WesTrac's SPARC Values of Safety, Pride, Accountability, Respect and Customer.

 

Growth & Development

With strong performance, opportunities exist to progress into specialist technical positions, Field Service or leadership roles. Ongoing training and development is available through the award-winning WesTrac Institute, helping you build a long-term career with WesTrac.

 

Benefits

  • Paid Parental Leave & Secondary Carers Leave
  • Salary Sacrificing and Novated Leasing
  • Income Protection Insurance
  • Access to hundreds of retail discounts
  • BUPA discounts and Fitness Passport
  • Employee Assistance Program for you and your immediate family
  • Internal career progression opportunities
  • Ongoing training through the WesTrac Institute
  • Recognition through our Made for More program
  • Employee Referral Program incentives
  • Employee Share Purchase Plan
  • Emergency Services Leave and Defence Force Reserves Leave
  • Job security with a strong pipeline of work

 

Our Company & Commitment

With over 4,500 employees, WesTrac is one of the world's largest authorised Cat® equipment dealers, providing leading mining and construction equipment and management solutions.

At WesTrac, we reflect the communities we serve and are committed to creating a workplace where everyone feels safe to be their authentic self. We encourage applications from First Nations peoples, women, LGBTQIA+ individuals and people from culturally diverse backgrounds.

WesTrac is a WORK180 Endorsed Employer for our commitment to diversity, inclusion and equality.

Relocation and visa sponsorship assistance may be available for suitable candidates, subject to eligibility and business requirements.

At WesTrac, our primary focus is our people. As we look to the future, we’re focused on harnessing the best talent and providing them with the support they need to achieve success.

WesTrac is a member of the Diversity Council of Australia and recognises the value of and strongly support the principles of equal employment opportunities in the workplace, and we are committed to achieving a diverse and engaged workforce. We are an equal opportunity employer and encourage applications from female, Aboriginal and Torres Strait Island candidates.

WesTrac is an endorsed employer for women via WORK180 - who have reviewed our policies, processes, and initiatives to certify that we are an organisation that supports diversity, inclusion and equality.