At Guidera O'Connor, you'll work on some of Western Australia's most significant water and wastewater infrastructure projects, delivering essential assets that support communities for generations. Whether you're based in metropolitan Perth or enjoy working across regional WA, you'll be part of a respected team known for delivering complex projects safely, collaboratively and to a high standard.
We're seeking experienced Mechanical Trades to join our growing construction delivery teams. We offer long-term opportunities, a strong safety culture, competitive remuneration, and the chance to work with experienced professionals on technically challenging projects.
In this role, you'll undertake mechanical installation activities across recent construction and upgrade projects. You'll work closely with supervisors, engineers and subcontractors to deliver quality outcomes while maintaining our commitment to safety, environmental stewardship and client satisfaction.
Why Join Guidera O'Connor?
Work on large-scale water infrastructure projects that support communities across Australia
Competitive, travel allowances and RDOs
Opportunities across Perth and regional WA
Safety-focused and supportive team culture
Strong pipeline of ongoing work and career development opportunities
Be part of a company committed to innovation, sustainability, and delivering meaningful infrastructure
About the Role
At Guidera O'Connor, you'll work on some of Western Australia's most significant water and wastewater infrastructure projects, delivering essential assets that support communities for generations. Whether you're based in metropolitan Perth or enjoy working across regional WA, you'll be part of a respected team known for delivering complex projects safely, collaboratively and to a high standard.
We're seeking experienced Mechanical Trades to join our growing construction delivery teams. We offer long-term opportunities, a strong safety culture, competitive remuneration,



and the chance to work with experienced professionals on technically challenging projects.
In this role, you'll undertake mechanical installation activities across recent construction and upgrade projects. You'll work closely with supervisors, engineers and subcontractors to deliver quality outcomes while maintaining our commitment to safety, environmental stewardship and client satisfaction.
Why Join Guidera O'Connor?
Work on large-scale water infrastructure projects that support communities across Australia
Competitive, travel allowances and RDOs
Opportunities across Perth and regional WA
Safety-focused and supportive team culture
Strong pipeline of ongoing work and career development opportunities
Be part of a company committed to innovation, sustainability, and delivering meaningful infrastructure
You Will Bring
Minimum 5+ years' experience in a similar mechanical trade role
Certificate III or higher qualification in a Mechanical trade
White Card (General Construction Industry Training Card)
Current driver's licence
Flexibility to work rosters and travel intrastate
Experience within the water, wastewater, utilities, mining, or industrial construction sectors will be highly regarded
About Guidera O'Connor
From desalination plants providing clean water to Australian communities, to treatment facilities that return wastewater safely to the environment, Guidera O'Connor designs and delivers tailored solutions that make a real difference to people's lives.
Guidera O'Connor designs, constructs, and commissions:
Water treatment plants
Pumping stations




Chemical dosing systems
Filtration systems
Odour control systems
Desalination plants
Aquifer storage and recovery systems
Water reuse systems
We work with customers across Australia, including:
Water authorities
Local government
Mining and resources companies
Private asset owners
Head contractors
Engineering organisations
Our business is founded on five guiding principles: Care, Integrity, Passion, Respect, and Future, which inform our collaborative, innovative, and solutions-focused approach. More than infrastructure, we deliver value by creating the systems that make safe, clean water possible for people and communities across the country, now and into the future.
Our Benefits
Guidera O'Connor offers a generous range of benefits to our employees, including:
Additional annual leave for service milestones and 15 days personal leave each year
Excellent employee referral bonus
Company-funded wellbeing program supporting your health and wellbeing goals
Paid parental leave and cultural leave
Option to purchase additional leave
Our Commitment to Diversity, Inclusion and Belonging
At Guidera O'Connor, we respect and value a diverse, inclusive, and welcoming workplace. We strongly encourage applications from people of all genders, ages, cultures, and backgrounds.
We are committed to reconciliation and strongly encourage applications from Aboriginal and Torres Strait Islander peoples for all positions.
We are also committed to making meaningful progress toward gender equity within the engineering and construction industry and strongly encourage applications from women for all positions.
Join Us
Please note that applications will only be accepted from candidates with full Australian working rights.
A pre-employment medical assessment, including a drug and alcohol screen, will be required for all positions.
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📌 Tradespersons (Darwin)
🏢 Guidera O'Connor
📍 Darwin