About Us
JOHNEX explosives is a 100% Australian owned explosives manufacturer and distributor backed by staff who collectively offer more than 150 years of experience in product development, mining and blasting services. JOHNEX explosives offers a full range of commercial explosives and accessories to suit all types of underground blasting, quarry, open pit and civil works. Not only has JOHNEX explosives become recognised as Australia's leading innovator in high-tech explosives technology with improved safety and user-friendly cost-effective products, but we have also been building a reputable rapport with our clients as a preferred supplier of explosives expertise through our qualified and dedicated team.
The Role
We are expanding our WA operations and seeking highly experienced, disciplined MPU operators to join our teams across Kalgoorlie and Goldfields sites. These roles are offered FIFO from Perth, with Kalgoorlie‐based residents strongly encouraged to apply. Residential applicants will access the same roster options and may take on overtime if desired.
Rosters:
Primarily 8:6, 7:7 available for Kalgoorlie residential
Shifts:
12-hour shifts
Employment Type:
Permanent full-time
What You'll Bring
Successful applicants must be 18 years or older and meet the following requirements:
Extensive MPU operational experience,



including routine maintenance and repairs.
HR driver's licence required (HC or MC licence highly regarded)
Dangerous Goods Driver's Licence
Minimum 2 years' experience in a similar role
Robust analytical skills with the ability to fault-find on MPU equipment
Willingness to assist blast crews with priming, stemming and tie ups
Current WA Dangerous Goods Security Clearance (DGSC)
A national police clearance issued within the last 3 months
Ability to pass a drug and alcohol screening and a medical fitness-for-work assessment
Immediate availability highly advantageous
Why Join JOHNEX?
At JOHNEX, you'll be part of a small, hands-on operational team where your initiative, organisation and practical thinking make a real impact. You'll work closely with experienced managers, support teams and customers, contributing directly to safe, efficient and reliable operations.
We offer:
A supportive team environment
Genuine role variety
Exposure to a growing Australian explosives business
Opportunities to develop your career within the industry
Our PICT values guide how we work and grow - giving every employee the chance to contribute meaningfully to the future of JOHNEX explosives.
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📌 Mpu Operators - Wa Sites [Kalgoorlie & Goldfields] (Kalgoorlie - Boulder)
🏢 JOHNEX explosives
📍 Kalgoorlie - Boulder