Job Description
Surface-based E&I; Technician for a long-life UG mine in North QLD, covering the mill/flotation circuit. FIFO roster, solid rates, path to perm.
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Surface-based E&I; Technician role across the full mill circuit
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8:6/7:7 FIFO roster ex-Brisbane or Townsville
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Mining principal known for developing & upskilling
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The Company & Why Join
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Join a globally recognised underground mining principal with a strong safety-first culture and a genuine track record of developing long-term careers. This role puts you at a well-established, high-producing underground hard rock mine in North QLD with an estimated mine life of 20+ years, processing ore through crushing, grinding and differential flotation to produce zinc and lead concentrates. You'll work within a close-knit fixed plant maintenance crew and have genuine potential to move onto the principal's own books as roles become available.
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About the Role
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You'll be based on surface, working within the mill and fixed plant across the full processing circuit - crushing and grinding (SAG/ball mills), differential flotation, and concentrate thickening and filtration. Duties include:
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Electrical
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Installation, maintenance and fault-finding on motors, switchboards, MCCs, VSDs, transformers and HV/LV reticulation
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HV work on large mill and crusher motors, thickener drives and flotation cell drives
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Preventative maintenance including thermal imaging, insulation testing and switchgear servicing
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Isolation/lockout-tagout around rotating equipment (SAG/ball mills, flotation cells, thickeners)
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Managing dust and hazardous area considerations specific to base metals plants, where corrosive, conductive concentrate dust can build up on electrical equipment
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Standby power and emergency systems maintenance
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Instrumentation
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Calibration of process instrumentation
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Flotation-specific instrumentation - froth depth/level control, air flow to cells, and reagent dosing control for differential lead-zinc separation
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Density and pulp level instrumentation across grinding, flotation and thickening
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Online analysers - particle size and on-stream analysers for real-time grade monitoring
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Concentrate handling instrumentation - belt scales, moisture analysers and load cells for thickening, filtration and load-out
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PLC/SCADA/DCS troubleshooting, working closely with metallurgists to keep flotation bank control loops tuned and reliable
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For those ticketed, there's also scope for 11kV reticulation, substation maintenance and HV switching work.
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Why This Role
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8:6 / 7:7 roster - day and night shift options, FIFO via charter from Brisbane or Townsville
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Open to candidates new to mining - provided you have sufficient industrial E&I; experience
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Attractive rates + Super, depending on experience level (heavy industry through to experienced mill/fixed plant)




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Well-equipped camp with gym, wet mess, sports facilities and a dry mess with a solid standard of meals
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Long-term contract with genuine potential to move onto the principal's own books
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OEM and controls-specific training opportunities to upskill your trade
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Full PPE provided, treated as part of the team from day one
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About You
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Trade qualified Electrician with instrumentation endorsement or demonstrated E&I; experience
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Current driver's licence
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Ability to read and interpret P&IDs;, loop diagrams and control schematics
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Ability to fault-find autonomously across electrical, instrumentation and control systems
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Mining, minerals processing or heavy industrial experience
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Can-do attitude and willingness to learn
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Advantageous -
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PLC/SCADA/DCS platform experience (e.g. Allen-Bradley, Siemens)
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Base metals or flotation plant experience
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Experience with reagent dosing and process control instrumentation
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HV switching tickets
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Experience with VSDs and soft starters
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Personal Qualities
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Ability to work well under pressure, in a team and autonomously
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Comfortable working at heights and in confined spaces around flotation cells, thickeners and tanks
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Proven teamwork and ability to get on well with others
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Excellent attitude toward work, safety as a number one priority
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Reliable, punctual, and physically fit for 12-hour shifts
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Ready to build your E&I; career on a well-established, long-life mining operation?

📌 E&I Technician - Mining (Queensland)
🏢 Marble Group
📍 Queensland