Job Description
About Us:
n Resource Services Group (RSGx) is a trusted leader in delivering integrated Mechanical, Electrical & Instrumentation (ME&I;) solutions, supporting major projects across the Oil & Gas, Mining, and Infrastructure sectors both in Australia and internationally. With a strong reputation and growing project portfolio, RSGx continues to play a key role in delivering critical infrastructure and energy developments.
The opportunity:
n We are seeking experienced and motivated
Mechanical Commissioning Technicians
to join our team on a major infrastructure project in Karratha, WA. This is a great opportunity to be part of a high-performing team delivering critical infrastructure one of Australia's most significant and energetic resource regions. The role offers exposure to industry-leading standards, modern test equipment, and the chance to contribute to a project that will play a key role in supporting ongoing operations in the mining sector.
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We require someone with Lube Flushing experience
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Strong exposure to Mechanical commissioning
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Support the mechanical commissioning, testing and handover of fixed-plant equipment.
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Work closely with construction, commissioning, engineering and operations teams throughout the commissioning process.




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Verify mechanical completion and ensure equipment has been installed in accordance with project requirements.
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Assist with pre-commissioning, functional testing, inspections and fault identification.
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Support defect rectification and punch-list close-out activities.
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Ensure equipment is tested, compliant and ready for safe operation and handover to the operations team.
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Qualifications and Requirements:
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Australian-recognised Mechanical Fitter / Fitter & Turner Trade Certificate
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Construction Card (White)
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Working At Heights
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Confined Space Entry
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Australian Working Rights
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Minimum of 5 years' proven experience
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Why RSGx?
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Competitive rates + project incentives
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Weekly pay (no waiting around)
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Career progression & long-term opportunities
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Work with a reputable, well-established contractor
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Ready to Get on Site?
n If you are looking for consistent work, strong rates, and quality projects, this is your opportunity to align yourself with a contractor that delivers. Be part of the next wave of major WA projects with RSGx.
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📌 Commissioning Mechanical Technicians (Karratha)
🏢 RSGx
📍 Karratha