Hamilton, Rotorua, Taupō // Senior Project Engineer - Electrical

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.

Join Mercury’s $1B investment in powering New Zealand’s energy future!

Are you ready to help shape the future of electricity in Aotearoa? Mercury is seeking a Senior Project Engineer – Electrical to lead and deliver electrical workstreams across our hydro and geothermal generation projects. This is a unique opportunity to work on some of New Zealand’s oldest and most iconic energy assets—reviving and upgrading 70‑year‑old equipment, bringing legacy infrastructure into the future to meet the demands of a modern, sustainable energy system.

In this role, you’ll work across all stages of the project lifecycle—from design and planning through to installation, commissioning, and close‑out. You’ll collaborate closely with Asset and Site Engineering teams, operational staff, and external partners to define scope, solve technical challenges, and ensure safe, high‑quality outcomes. Your electrical engineering expertise and ability to engage across disciplines will be key to driving innovation and maintaining asset integrity.

We offer flexibility in our hours to accommodate your lifestyle, and you can work from our office, one of our sites, or from home while still valuing the opportunities to work with your wider team to collaborate. This role can be based in Hamilton or Rotorua—close to our hydro and geothermal sites.

Key responsibilities include:

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• Leadership: Provide expert guidance and value engineering to drive technical excellence and long‑term asset performance.
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• Relationship Management: Build strong networks across Mercury and with external partners to support delivery across multiple concurrent projects.
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• Project Delivery: Align project goals with safety, quality, time, and cost outcomes. Lead mechanical engineering delivery from concept to commissioning.
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• Technical & Quality: Define mechanical requirements, lead quality planning, and drive innovation in system design and standards.
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• Learning & Growth: Share lessons learned and continuously adapt to support Mercury’s evolving goals.
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• Degree or higher diploma in Electrical Engineering.
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• Professional membership (e.g. ENZ) desirable, but not a must have.
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• 10+ years’ project engineering experience, ideally in electricity generation or hydro asset development.
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• Proven ability to lead technical teams and navigate complex challenges.
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• Strong relationship‑building skills across internal and external stakeholders.
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• Experience managing engineering workstreams through staged gate frameworks.
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• Strategic thinking and planning capability.
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• Knowledge of power generation equipment and hydro systems [desirable].
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• Ability to solve technical problems from first principles.
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• Additional 5 days leave per annum (MyDays).
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• $400 one‑off tax‑free payment towards setting up your home office.
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• A diverse workplace where your unique abilities and talents will be recognised and encouraged.
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• Annual salary reviews with excellent parental leave policy, with the option to purchase additional leave.
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• The opportunities, career paths and facilities associated with working for one of New Zealand’s largest multi‑utility providers.
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• Flexible working policy—autonomy and trust to work flexibly from our purpose‑built premises and from home, recognising the value of this flexibility in the modern world.
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• Discounted health insurance and free life and income insurance.
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• Excellent well‑being programme including up to $100 annual check‑ups and confidential assistance programme.
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• Gender affirmation leave and supportive bereavement leave to be taken when you lose anyone close to you, including your pet.
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Applications close Wednesday, 16th July at 5:00pm.