Mechanical Plumber/ Pressure Welder - In Field Service
O'Brien Energy is an Australian-owned company delivering process heat and energy solutions to industrial and commercial clients nationwide.
We specialise in boilers, steam systems, combustion and industrial energy solutions — helping industry improve efficiency and reduce emissions.
About Us
O'Brien Energy is an Australian-owned company delivering process heat and energy solutions to industrial and commercial clients nationwide.
We specialise in boilers, steam systems, combustion and industrial energy solutions — helping industry improve efficiency and reduce emissions.
Our Values
Our values are at the heart of how we work at O'Brien.
They guide how we treat each other, how we make decisions and how we work together to achieve the best outcomes for our customers and the business
Be a Good Human
Play as one Team
Make the Complex Simple
Enjoy the Journey
Think Like an Owner
The Chance
O'Brien Boiler Services is seeking an experiencedMechanical Plumber/Welderto join our growing VIC service team.
This is a hands-on, field-based role working on industrial boilers, steam systems, combustion equipment and process heat systems across a wide range of industrial and commercial sites throughout Victoria.
If you're a mechanically minded tradesperson looking to step into more technical and varied industrial equipment work — beyond repetitive workshop or maintenance environments — this role offers excellent long‐term career development and exposure to specialised systems.
What's on Offer
$45–$60 per hour (based on experience)
Opportunity to participate in our KPI incentive program




Company vehicle provided
Overtime and on‐call allowances
Phone and uniform provided
Ongoing training and technical development
Access for you and your immediate family to our EAP service
Exposure to specialised industrial equipment
Secure, full‐time role with a national company
Key Responsibilities
Service, maintenance and repair of industrial boilers and steam systems
Mechanical fault finding and diagnostics on plant and equipment
Commissioning and start‐up of industrial equipment
Installation and maintenance of mechanical systems and associated components
Servicing gas trains, burners and combustion equipment
Supporting plant upgrades, shutdowns and efficiency improvements
Maintaining strong client relationships while working on‐site
Preparing service reports and maintaining accurate documentation
About You
Mechanical Trade Qualification (Fitter & Turner, Mechanical Fitter or similar)
Industrial maintenance or field service experience
Strong troubleshooting and fault‐finding skills
Current manual driver's licence
White Card
Desirable
Type B Gas Licence or willingness to obtain
Experience with boilers, steam or combustion systems
Steel Welding experience
Background in manufacturing, food processing, packaging, or industrial process environments
Experience working autonomously in field service roles
Additional Information
Regular travel across VIC required
Occasional overnight stays
Participation in on‐call roster
If you enjoy problem-solving, working across diverse industrial sites and building strong customer relationships, we'd love to hear from you.
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📌 Mechanical Plumber/ Pressure Welder - In Field Service (Victoria)
🏢 O'Brien Boiler Services
📍 Victoria