In-Demand Mining subcontractor Jobs in Western Australia

Operations Workshop Supervisor
McCoskers —Perth WA
- Full-time
- Maintenance
- Construction experience
- Communication skills
Quick Apply
13d
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Wabtec —Perth WA
- Full-time
- Engineering
- Microsoft Office
- No degree
- Employee assistance program
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10d
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- Construction experience
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Civmec —Henderson WA
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Macro Metals —West Perth WA
- Full-time
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Operations Workshop Supervisor

McCoskers -
Perth WA

Quick Apply

Job Details

Full-time
13 days ago

Qualifications

Maintenance
Driver Licence
Construction experience
White Card
Communication skills

Full Job Description

We're looking for a hands-on and highly organised Operations Workshop Supervisor to serve as the critical link between Operations and the McCosker's Plant Department and third party plant suppliers at the project site. This is a unique, site-based role that sits within the Operations Department and ensures mobile plant is available, operational, and ready to support the project.

Reporting to the Project Manager, you'll work closely with the McCosker Plant Department, third party plant suppliers, site leadership and workshop teams to coordinate maintenance activity, manage plant availability, manage operations supplied consumables and ensure compliance of the onsite maintenance activities with McCosker and client processes and procedures.

This is an opportunity to work with McCosker on a construction project at the Mardie Salt Project on a 2 week on 1 week off roster pattern. Travel and accommodation is provided.

This position will:

Act as the primary coordination point between the Plant Department and the Operations team at site, ensuring clear, timely communication flows in both directions
Coordinate with the site workshop teams on plant availability and reliability at the project site, maintenance schedule, equipment status, and prioritising reactive work to minimise downtime
Work closely with the plant suppliers (both internal and external) and site workshop teams on planned maintenance, procurement, and mobilisation of resources to site
Maintain oversight of all mobile plant and equipment on site, tracking service schedules and reporting, and compliance requirements
Identify and solve problems quickly, anticipating plant demands, addressing delays, and finding practical solutions that keep the project moving
Build and maintain strong working relationships with project supervisors, plant personnel, and subcontractors to align maintenance activity with operational priorities
Ensure all workshop activity on site meets McCosker's safety, environmental, and quality standards, and that documentation is accurate and up to date
Champion a positive safety culture, actively monitoring site safety practices and driving continuous improvement

Experience and Skills

Trade qualification in mechanical, diesel fitting or equivalent engineering discipline
Current Queensland Open Driver Licence and White Card required
Demonstrated experience in workshop maintenance and plant coordination in the civil construction industry on mine sites
Strong background in maintenance scheduling, personnel supervision, and plant operations
Experience working across departmental boundaries, able to build trust and communicate effectively with both operations and workshop teams
Skilled problem-solver who can respond quickly and confidently to shifting priorities and plant demands
High level of organisation with the ability to manage multiple workstreams, track outstanding work, and follow through
Strong communicator with the confidence to influence outcomes and build effective relationships across all levels

About McCosker

McCosker are experts in the civil construction industry, delivering a diverse range of services across the mining, construction, building, gas, and industrial sectors. Headquartered in Gladstone, Queensland, we are equipped to service projects throughout Australia.

At McCosker, we are a group of empowered individuals working collectively to achieve outstanding results. We support each other, uphold our integrity, and are committed to attracting and developing outstanding leaders. We recognise that our most important asset is our people — and we invest in them accordingly.

You can learn more about McCosker Contracting at www.mccoskers.com.au

Only successful applicants will be contacted.

Quick Apply

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mining subcontractor jobs in western australia

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