Commissioning Engineer

Guidera O Connor Pty Ltd; Australia; On-site; AUD 120,000 - 150,000; Full time

Benefits offered by this job

Free onsite parking

Daily office lunches provided

Flexible working arrangements

Additional annual leave for service

15 days personal leave

Company-funded wellbeing program

Paid parental leave

Job summary

Guidera O’Connor seeks a Commissioning Engineer to join our team, focusing on preparing commissioning plans and executing projects in water and wastewater. You will coordinate internal and external stakeholders, review design documents, manage subcontractors, and ensure timely, cost-effective commissioning with thorough documentation.

The role requires experience in commissioning infrastructure projects, strong report writing, and a deep understanding of safety and regulatory standards.

Qualifications

• Experience commissioning infrastructure projects in water/wastewater.
• Ability to manage competing priorities and meet deadlines.
• Ability to verify and troubleshoot system functionality and resolve issues.
• Prepare reports, test protocols, and system documentation.
• Coordinate schedules and resources for commissioning.
• Ensure compliance with design specs and standards.
• Strong communication with stakeholders and teams.
• Knowledge of HSEQ obligations and safety regulations.

Responsibilities

• Prepare and approve commissioning plans and quality documentation for designated projects.
• Conduct regular planning and progress meetings with stakeholders.
• Review design documents (P&IDs, Mechanical & Electrical drawings, Control Philosophy, Technical Specifications, HAZOP).
• Liaise between operations, commissioning teams and construction personnel.
• Manage subcontractors for commissioning tasks (E&I, Control System, Vendors).
• Compile commissioning test results, punch lists, and daily reports.
• Ensure handover drawings, manuals, and licenses are ready at handover.
• Finalize and submit the Commissioning Report.

Skills

Commissioning experience

Prior water/wastewater exposure

Priority management

Troubleshooting & diagnostics

Stakeholder communication

HSEQ compliance knowledge

Travel flexibility

Education

Degree or relevant trade

Job description

Guidera O’Connor are seeking a Commissioning Engineer to join our team who is seeking meaningful work in the water and wastewater industry. As the Commissioning Engineer, you will be responsible for preparing commissioning plans and carrying out the commissioning of projects.

About you

You will bring:

• Experience commissioning infrastructure projects, with water and wastewater treatment industry experience highly valued.
• A relevant qualification such as a degree or relevant trade and significant experience in the construction industry.
• An ability to manage competing priorities and meet strict deadlines.
• Manage commissioning costs with budget allocation and forecast cost to complete.
• An ability to verify and troubleshoot system functionality coupled with the diagnosis and resolution of all technical issues.
• An ability to prepare all reports, test protocols, and write system documentation.
• An ability to coordinate all schedules and resources for commissioning.
• Ensuring compliance with design specifications and standards.
• Excellent communication skills with all stakeholders.
• Current knowledge and understanding of all HSEQ obligations with a deep understanding of safety codes and industry regulations.
• An ability to travel inter and intrastate when required.

More specifically you will:

• Prepare and approve commissioning plans and quality documentation for designated projects.
• Conduct regular planning and progress meetings with internal and external stakeholders
• Review relevant design documents including P&IDs, Mechanical & Electrical drawings, Control Philosophy, Technical Specification, HAZOP & Design Basis Reports.
• Liaise between operations, commissioning teams and construction personnelto carry out commissioning in a timely and cost-effective manner.
• Manage subcontractors engaged to perform commissioning tasks (E&I, Control System, Specialist Vendors).
• Manage the collation of commissioning test results, punch list, daily reports and notes into the Commissioning Report.
• Ensure drawings, manuals, records, licenses, statutory documentation, and other documentation are available at handover stage.
• Finalise and submit the Commissioning Report.

Guidera O'Connor is an equal opportunity employer. If you meet most, but not all of the criteria, we'd still love to hear from you.

About Us

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:

• Pumping stations
• Filtration
• Aquifer storage and recovery
• Reuse systems

We work with customers across Australia, including:

• 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, each of which inform our collaborative, innovative, solutions-focused approach.
More than infrastructure, we deliver value, creating the systems that make safe, clean water possible for people and communities across the country, now and into the future.

In return for your skills and experience, we offer a supportive team environment, strong leadership, and meaningful work that contributes to essential infrastructure.

Our benefits include:

• Free onsite parking
• Daily office lunches provided
• Flexible working arrangements
• Additional annual leave for service milestones
• 15 days personal leave
• Company-funded wellbeing program
• Paid parental leave

Diversity & Inclusion

At Guidera O’Connor, we value a diverse, inclusive, and respectful workplace. We strongly encourage applications from people of all backgrounds, regardless of age, gender, culture, or identity.
As part of our commitment to gender equity, we aim to increase the participation of women in the construction industry and encourage applications from women for all roles.
As part of our Reconciliation Action commitment, we also strongly encourage applications from Aboriginal and Torres Strait Islander peoples.