Platform Specialist - Generation & Wholesale Markets

Platform Specialist - Generation & Wholesale Markets

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.

Are you passionate about driving technical excellence and ensuring the smooth operation of software applications? Do you thrive in a collaborative and innovative environment? If so, we have an exciting opportunity for you as a Platform Specialist focused on applications used by our Wholesale Markets / Trading team.

In this hands‑on role, you’ll provide technical expertise, configuration, support, and subject‑matter expertise for Mercury’s Wholesale Markets platforms. You’ll play a key role in maintaining the stability and security of critical systems, while also helping to design and implement improvements that drive efficiency, automation, and innovation.

This role offers the best of both worlds, combining engineering, data, and technology, where you’ll be exposed to a wide range of applications, integrations, and cloud technologies. We’re looking for someone who’s curious, analytical, and proactive, with a can‑do attitude and a continuous improvement mindset. We’ll invest in your growth and development, giving you opportunities to deepen your technical skills and broaden your platform experience.

This role will be primarily based in Mercury’s Hamilton office.

Tāu e mahi ai | What you’ll be doing

• Support and maintain technology platforms that underpin electricity generation and wholesale operations.
• Collaborate as part of agile teams including Product Owner, Software Engineers and Test Automation Engineers to ensure our platforms are kept up to date and benefit from modern deployment pipelines and observability solutions.
• Foster a “keep it simple” mindset and contribute innovative ideas to problem solving.
• Manage and maintain the operational health, stability, and security of platform and applications.
• Analyse and troubleshoot functional and non‑functional application issues.
• Work with stakeholders to grow platform capabilities, resolve issues quickly, and ensure systems meet business needs.

Please note the successful candidate will be required to participate in our on‑call roster, this is to ensure organisational support for incidents and problems outside of normal business hours.

This role is expected to commence in January; however, there may be some flexibility to accommodate an earlier start should you be available immediately.

Tāu ka kawe mai | What you’ll bring

He aha te pai o te hono mai? | Why join us?

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

A full position description is available below. Applications close 2nd December 2025 at 5 : 00pm. Please note that Mercury retains the right to bring a particularly strong candidate through to interview more quickly.

#J-18808-Ljbffr