Job Description
He whakahaere aronga-anamata a Mercury, e tuku ana i te pūngao me ngā whitimamao ki te mahi a tangata o Aotearoa, ā, he nui ake i tā ētahi atu. Waihoki, e para ana i te huarahi mā te pūngao whakahou me te whai i tētahi anamata toitū. Kei te iho ko tō mātou koronga. Tiakina te anamata, mā te tūhono i ngā tāngata me ngā wāhi o te inamata. He āki tēnei i a tātou ki te whakapau kaha kia hua ake ai he anamata pai ake mō ō tātou tāngata, mō ō tātou hapori, me Aotearoa.
Mercury is a bold future-focused organisation, providing energy and telecommunications to more Kiwis than anyone else, leading the way with renewable energy and working toward a sustainable future. At the heart is our purpose. Taking care of tomorrow: connecting people and place today. This pushes us to do all we can to create a better future for our people, our communities, and Aotearoa New Zealand.
Tā mātou arawātea | Our Opportunity:
We’re looking for a skilled professional to join our Hydro Maintenance Team, supporting the upkeep and performance of Mercury’s Hydro Generation assets along the Waikato River. In this role, you’ll be central to the testing and commissioning of our plant, ensuring our assets are compliant, reliable and aligned with regulatory standards.
This is a hands-on, varied position where you’ll collaborate closely with maintenance, engineering, and site teams. As Mercury evolves, you’ll have access to meaningful development opportunities, career progression pathways, and the flexibility to balance work and life, along with overtime at 1.5x when additional work arises.
Reporting to the Turnaround Delivery Lead - Hydro, you’ll be part of a wider team responsible for the health of our assets along the Waikato River. This role also includes a vehicle for travel between sites.
Tāu e mahi ai | What you'll be doing:
Maintaining generation assets in line with Mercury policies, industry practices and regulatory requirements
Working closely with key stakeholders including site leads, engineering teams, and maintenance crews
Recording and reporting all testing outcomes with accuracy in the CMMS
Interpreting test results and producing clear, timely reporting for internal stakeholders
Staying current with industry standards and best practice to support compliance and continuous improvement
Identifying opportunities for cost-effective optimisation of plant performance
Undertaking routine and defect maintenance to ensure protection systems remain safe and reliable
Tāu ka kawe mai | What you'll bring:
A recognised electrical qualification and current EWRB practising licence
New Zealand Certificate in Electrical Supply (Power Technician) Level 5, or at least 3 years’ experience in HV control and protection testing (technicians with higher relevant education and EWRB registration will also be considered)
Strong knowledge of protection systems and associated testing
Experience with HV testing tools such as Testrano, MPD Online/Offline PD, IRIS Online PD, DIRANA, MIT Series HV PI/IR, CMC Relay and SVERKER test sets, SFRA, Fluke process calibrators, multimeters, and clamp meters
5–8 years’ relevant experience in plant operations, process control or heavy industry maintenance
Experience with geothermal or hydro generation assets is desirable
He aha te pai o te hono mai? | Why join us?
Tool of Trade Vehicle
Additional 5 days leave per annum (MyDays)
$400 one off tax-free payment towards setting up your home office
A diverse workplace where your unique abilities and talents will be recognised and encouraged
Annual salary reviews with excellent parental leave policy, with the option to purchase additional leave
The opportunities, career paths and facilities associated with working for one of New Zealand's largest energy providers
Discounted health insurance and free life and income insurance
Excellent well-being programme including up to $100 annual check ups
Mercury is a learning organisation that is committed to providing you with opportunities to grow and develop that will benefit you now and in the future. Part of your role includes building your skillset and mindset through a variety of ways. We believe this creates an energised, innovative and agile work environment where you will feel valued.
E koekoe te tūī, e ketekete te kākā, e kūkū te kererū
Every voice has its place – and together, we thrive.
At Mercury, we believe that having a team of individuals with different backgrounds, experience and capability working together makes us stronger and better as an organisation. We know that some candidates may only apply for a role if they meet all of the criteria. If you want to join our team, we encourage you to apply for any role that matches your skills, capabilities and interests, even if you aren't sure if you meet all of the criteria.
Please click 'apply' to submit your application. If you require accessibility or assistance support from us during the application and selection process, please reach out to [email protected]. Please do not apply via this email address.
A full position description is available below. Applications close Tuesday, 10th February at 5:00pm. Please note that Mercury retains the right to bring a particularly strong candidate through to interview more quickly.
To find out more about working in our Generation Team visit: https://www.mercury.co.nz/about-us/careers/generation-careers
Job Details
Reference #
40485
Posted
27 Jan 2026
Closing
10 Feb 2026 17:00
Location(s)
Hamilton, Rotorua, Taupō
Expertise
Hydro
Job level(s)
Experienced
Work type(s)
Permanent full time
💡 Quick Summary
Seeking a career-building opportunity? The Power System Technician position is now open for candidates interested in the Construction, Repair & Maintenance Services sector. This role in Hamilton offers a professional environment and growth potential.
Requirement Snapshot: Candidates should possess basic communication skills, a proactive attitude, and the ability to work in a team. Experience in Construction, Repair & Maintenance Services is a plus.
