Heavy Diesel Auto Electrician - Construction

WesTrac; Perth; On-site; AUD 90,000 - 120,000; Full time

Benefits offered by this job

Paid Parental Leave

Novated Leasing

Income Protection Insurance

Fitness Passport

EAP for employees and family

Made for More Awards

Internal Career Development

WesTrac Institute training

Job summary

WesTrac in Perth is seeking a skilled Heavy Diesel Auto Electrician to join the Construction Machines Repairs Workshop at the Perth Branch, reporting to the Workshop Supervisor. You will diagnose, maintain, and repair Caterpillar electrical systems on heavy earthmoving equipment, ensuring OEM specifications and the highest safety and quality standards.

The role requires strong fault-finding skills, teamwork, and a commitment to continuous improvement; roster is 5 days on, 2 days off with 10.5

Qualifications

• Australian-recognised Auto Electrical Trade Certificate.
• Experience diagnosing and repairing heavy earthmoving, mining or construction equipment is desirable.
• Strong fault-finding and diagnostic skills across electrical and electronic systems.
• Proven ability to work well in a team and maintain high workmanship standards.
• Commitment to safety, quality and customer service.

Responsibilities

• Perform auto electrical diagnostics, maintenance, and repairs on Caterpillar construction equipment to OEM specs and safety standards.
• Diagnose faults across wiring harnesses, sensors, control modules, lighting, and networks.
• Carry out servicing, inspections, breakdown repairs and overhauls to maximise reliability.
• Complete electrical testing and commissioning using diagnostic tools and Caterpillar systems.
• Assist with upgrades, modifications and installation of electrical accessories.
• Collaborate with team members to prioritise workloads and meet repair schedules.
• Maintain safety, quality workmanship and adherence to WesTrac policies.

Skills

Fault finding

Diagnostics

Teamwork

Safety focus

Education

Australian-recognised Auto Electrical Trade Certificate

Tools

Caterpillar electrical systems

Job description

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Heavy Diesel Auto Electrician - Construction

Posted Date: 1 Sept 2026

Location: Perth Precinct, WA, AU

About the Opportunity

We are seeking a skilled and motivated Auto Electrician to join our Construction Machines Repairs Workshop at Perth Branch, reporting directly to the Workshop Supervisor. In this role, you will diagnose, maintain, and repair Caterpillar equipment while ensuring all work is completed safely, efficiently, and to the highest quality standards.

About Perth Branch

WesTrac's Perth Branch Construction Machines Repairs Workshop specialises in the maintenance, repair, and overhaul of Caterpillar construction equipment. The team is committed to delivering safe, high-quality repair solutions that maximise machine reliability and customer satisfaction.

Roster: 5 Days On, 2 Days Off 10.5 Hours per Shift (inclusive of a 30-minute unpaid lunch break)

What You'll Do

• Perform a wide range of auto electrical diagnostics, maintenance, and repair tasks on Caterpillar construction and earthmoving equipment, ensuring all work is completed to OEM specifications and safety standards.
• Diagnose and troubleshoot electrical faults across machine systems, including wiring harnesses, sensors, control modules, lighting, and communication networks.
• Carry out scheduled servicing, inspections, breakdown repairs, component replacements, and machine overhauls to maximise equipment reliability and availability.
• Complete electrical testing, fault finding, and commissioning activities using diagnostic tools and Caterpillar systems.
• Assist with machine upgrades, modifications, and the installation of electrical accessories and customer-specified options as required.
• Collaborate effectively with team members, supervisors, and planners to prioritise workloads and meet workshop repair schedules and customer expectations.
• Maintain a strong commitment to safety, quality workmanship, and continuous improvement while adhering to all WesTrac policies and procedures.

Skills & Experience

• Australian-recognised Auto Electrical Trade Certificate.
• Previous experience diagnosing and repairing heavy earthmoving, mining, construction, or mobile equipment is highly desirable.
• Strong fault-finding and diagnostic skills across electrical and electronic machine systems.
• Demonstrated ability to work effectively within a team environment while maintaining a high standard of workmanship.
• Commitment to safety, quality, and customer service excellence.

Our Benefits Include

• Paid Parental Leave & Secondary Carers Leave
• Salary Sacrificing Opportunities
• Novated Leasing
• Income Protection Insurance
• Access to more than 600 retail discounts, including Coles, Petbarn, Virgin, HOYTS and Crown
• Discounts with BUPA
• Fitness Passport providing access to multiple gyms across Australia
• Employee Assistance Program (EAP) for employees and their immediate family
• Personal and Team Recognition through our Made for More Awards
• Internal Career Development Opportunities
• Ongoing Training and Development through the award-winning WesTrac Institute

Recommend & Spend

• Employee Referral Program offering bonuses of up to $5,000 for eligible referrals
• Defence Force Reserves Leave
• Employee Share Purchase Plan opportunities

Our Company & Commitment

With over 4,500 employees, WesTrac is one of the world's largest authorised Cat® equipment dealers, providing customers with a broad range of mining and construction equipment, technology, and support solutions.

At WesTrac, we celebrate diversity and are committed to creating an inclusive workplace where everyone feels safe, respected, and empowered to be their authentic selves. We encourage applications from First Nations peoples, LGBTQIA+ individuals, and people from culturally diverse backgrounds. WesTrac is proud to be a WORK180 Endorsed Employer, recognised for our commitment to diversity, inclusion, and equality.