Commercial Administrator - Fixed Term

• Opportunity to learn more about commercial acumen and commercial negotiation
• Six-month fixed-term opportunity with potential to become permanent
• Petone-based with easy access to rail, coast and local amenities

This is a fulltime fixed term position for 6 months

The remuneration midpoint for this role is $78,770.36 (including KiwiSaver) depending on skills and experience

The opportunity

We're looking for a highly organised and proactive Commercial Administrator to be the glue that keeps our Commercial Team running smoothly. This is a varied role where you'll coordinate multiple priorities, support contract administration activities, maintain accurate records, prepare reports and documentation, and help ensure commercial processes are well managed and audit-ready.

You'll play a key role in supporting the team and stakeholders, enabling the commercial function to operate efficiently and effectively across a range of projects and activities.

About you

To be successful in this role you will bring:

• Experience in an administrative, coordination or process-driven role
• A minimum qualification of NCEA Level 3 or equivalent
• Experience using document-management systems and maintaining accurate business records
• The ability to manage and prioritise multiple tasks in a time-sensitive environment
• A high degree of computer literacy, particularly Microsoft Word, Excel, Outlook, Teams and SharePoint
• Strong stakeholder service and relationship management skills

Benefits

At Tiaki Wai, our purpose extends beyond delivering great water services for the region; we foster a thriving community, support a diverse workforce, and offer supportive development opportunities. We genuinely care about your safety and wellbeing.

Our benefits include:

• Flexible working arrangements including up to 2 days working from home
• Comprehensive wellbeing programme, including one paid wellbeing day annually
• Formal and informal professional development opportunities

For a full list of our employee benefits click here.

About us

Tiaki Wai is a council-owned organisation responsible for managing the delivery of drinking water, wastewater, and stormwater services across Hutt Valley, Porirua, and Wellington.

We manage public-owned extensive water infrastructure and oversee the delivery of safe and reliable services for our communities. We focus on long-term investment, asset management, maintenance, and delivering major infrastructure projects that support public health, environmental protection, and regional growth.

Water is a precious taonga. At Tiaki Wai, we put care into every drop and are guided by our values of Integrity, Care, and Leadership. We work directly with water consumers and in partnership with councils and mana whenua to deliver better water outcomes for current and future generations.

Applications close: Thursday 15 October 2026

How to apply

To view a copy of the position description: click here

To apply for the role, click on the ‘apply’ button or visit the Tiaki Wai Careers site, if you are a Tiaki Wai employee please apply using your work email.

For further information, email: JoinUs@tiakiwai.co.nz

Applicants for safety sensitive roles will be required to undergo drug and alcohol testing prior to commencing employment with Tiaki Wai. You must also be legally entitled to work long-term in New Zealand or eligible to obtain a working visa.