Mechanical Tradesperson – Reduction Maintenance
New Zealand Aluminium Smelter | Tiwai, Southland
Work-life balance that works for you
Our rosters are designed to give you more time for what matters most—your family, whānau, and community.
What we offer
- Relocation assistance
- Competitive salary based on skills and experience
- Safety-focused, inclusive team environment
- Medical insurance and annual incentive program
- Share ownership plan and competitive superannuation
- Career development and education assistance
- Transport assistance between Invercargill and Tiwai
- Mobile phone allowance
- Generous leave entitlements, including long service leave
About the role
At New Zealand’s Aluminium Smelter (NZAS), known locally as Tiwai, we are finding better ways™ to provide the materials the world needs. We’re seeking Mechanical Tradespeople to join our Reduction Maintenance Breakdown Team.
Reporting to the Supervisor and Superintendent, this is a shift-based role with flexible roster options available. You’ll carry out breakdown and preventative maintenance across a range of Reduction equipment, including cranes, compressors, pot cells and conveying systems, while actively contributing to safety and continuous improvement.
What you’ll bring
- NZ-recognised Level 4 (or higher) Mechanical Trade qualification
- Full NZ Class 1 driver licence
- Strong safety mindset and problem-solving skills
- Ability to work autonomously and within a team
- Willingness to work at heights and in confined spaces
- Curiosity, flexibility, and a desire to learn
Why Tiwai
You’ll be supported by leaders who care about your development and work alongside people who look out for each other. Based near Invercargill, you’ll enjoy a lifestyle with easy access to outdoor adventure and a strong community feel.
NZAS is an equal opportunity employer and strongly encourages applications from women and people of all backgrounds.
Learn more about life at Tiwai: https://tiwaistories.co.nz/
#gts
About Rio Tinto
Rio Tinto is a leading global mining and materials company. We operate in 35 countries where we produce iron ore, copper, aluminium, critical minerals, and other materials needed for the global energy transition and for people, communities, and nations to thrive.
We have been mining for 150 years and operate with knowledge built up across generations and continents. Our purpose is finding better ways to provide the materials the world needs – striving for innovation and continuous improvement to produce materials with low emissions and to the right environmental, social and governance standards. But we can’t do it on our own, so we’re focused on creating partnerships to solve problems, create win-win situations and meet opportunities.
Respect and Inclusion
At Rio Tinto, we particularly welcome and encourage applications from Indigenous Peoples, women, the LGBTQIA+ community, mature workers, people with disabilities and people from different cultural backgrounds.
We are committed to an inclusive environment where people feel comfortable to be themselves. We want our people to feel that all voices are heard, all cultures respected and that a variety of perspectives are not only welcome – they are essential to our success. We treat each other fairly and with dignity regardless of race, gender, nationality, ethnic origin, religion, age, sexual orientation or anything else that makes us different.
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Rio Tinto is a leading global mining and materials company. We operate in 35 countries where we produce iron ore, copper, aluminum, critical minerals, and other materials needed for the global energy transition and for people, communities, and nations to thrive.
We have been mining for 150 years and operate with knowledge built up across generations and continents. Our purpose is finding better ways to provide the materials the world needs—striving for innovation and continuous improvement to produce materials with low emissions and to the right environmental, social and governance standards. But we can’t do it on our own, so we’re focused on creating partnerships to solve problems, create win-win and meet opportunities.
At Rio Tinto, we particularly welcome and encourage applications from Indigenous Peoples, women, the LGBTQIA+ community, mature workers, people with disabilities, and people from different cultural backgrounds.
We are committed to an inclusive environment where people feel comfortable being themselves. We want our people to feel that all voices are heard, all cultures respected and that a variety of perspectives are not only welcome – they are essential to our success. We treat each other fairly and with dignity regardless of race, gender, nationality, ethnic origin, religion, age, sexual orientation, or anything else that makes us who we are.
Start your application
Take your leadership career to the next level.
Where can Rio Tinto take you?
You’re passionate and ambitious with tremendous career aspirations. The breadth and growth of our organisation empowers you to define your ideal career path.
Take a look at Katie’s career journey
Take a look at Shona’s career journey


- 2022 - PresentManager Projects - Energy DevelopmentBrisbane, Queensland, Australia
- 2021Superintendent Operations CentreBrisbane, Queensland, Australia
- 2020Development / Drill and Blast SuperintendentPilbara, Western Australia
- 2019Deputy Quarry ManagerPilbara, Western Australia
- 2018Development SupervisorPilbara, Western Australia
- 2017Senior Engineer of Drill, Blast and SurveyPilbara, Western Australia
- 2016Production EngineerPilbara, Western Australia
- 2015Mine scheduler - 2 week plannerPilbara, Western Australia
- 2014Drill and Blast EngineerPilbara, Western Australia
- 2012Graduate Mining EngineerPilbara, Western Australia
- 2022 – PresentGeneral Manager Weipa OperationsWeipa, Far North Queensland, Australia
- 2020General Manager Bell Bay AluminiumLaunceston, Tasmania, Australia
- 2017Metal products DepartmentBoyne SmeltersGladstone, Queensland, Australia
- 2014Reduction line Manager – Boyne SmeltersGladstone, Queensland, Australia
- 2012Services department Manager Boyne SmeltersGladstone, Queensland, Australia
- 2011Manager Health, Safety, Environment and business improvement Boyne SmeltersGladstone, Queensland, Australia
- 2010Lean Six Sigma Black Belt – Boyne SmeltersGladstone, Queensland, Australia
- 2009Operations SuperintendentGladstone, Queensland, Australia
- 2005Operations SuperintendentLaunceston, Tasmania, Australia
- 2004Graduate EngineerLaunceston, Tasmania, Australia
Working at Rio Tinto
Help us deliver the materials that make human progress possible.
The plane you’re flying in just landed. You fire up your phone and get your laptop out of the overhead bin. Immediately, you’re in work mode – thousands of miles from your office. Do you ever stop to think about all the materials that make life in the 21st century possible? At Rio Tinto, we discover, develop and deliver the materials that drive human progress. When you work with us, you’ll experience advantages you won’t find anywhere else.
Our application process
01
Apply
The first thing you’ll need to do is apply to the role. You can do this with your LinkedIn profile or you can upload your resume. We’ll also ask you to complete a few questions before you submit your application.
02
Undergo assessments
Our assessments are designed to help us work out whether you are suitable for the role. We will let you know which ones you’ll need to complete.
03
Interview(s)
Our interviews could be in person or online. It’s a great opportunity for us to get to know you a bit better, answer any of your questions and talk about the exciting career opportunity you have applied for.
04
Offers and checks
At this stage, we will let you know if you have been successful. If you have been, we’ll need to conduct a couple of checks, such as a background or security check. You may also need to do a medical assessment depending on the role you have applied for.
05
Join the Rio Tinto team
Once the checks have been completed, we’ll be in touch to talk with you about your start date and answer any questions you may have before you start with us.



















