Principal Process Engineer

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We’re offering exciting opportunities for Senior Associate and Principal-level Process Engineers across New Zealand and Australia. You’ll contribute to a strong pipeline of complex and meaningful water infrastructure projects delivering clean drinking water, protecting natural environments, and helping communities stay flood-resilient. Your work will support a more sustainable future for generations to come.

The opportunity

We’re looking for experienced Process Engineers ready to lead, influence, and shape outcomes. Whether you\’re already operating at a Principal level or looking to step up from a Senior Associate role, you’ll find opportunities that match your ambition and expertise. At Beca, innovation is encouraged, challenges are embraced, and your contribution truly matters.

In These Roles, You’ll

• Lead process design and optimisation for complex water and wastewater treatment projects across New Zealand and Australia
• Manage and deliver both large-scale and smaller initiatives, providing technical leadership within multidisciplinary teams
• Coordinate with other disciplines to ensure integrated project outcomes
• Mentor junior / Intermediate engineers and represent Beca’s expertise with clients and at industry forums
• Prepare high-quality documentation and contribute to strategic direction and client engagement
• Hold or be working towards professional certification or chartership
• Continue developing your communication, presentation, and consulting skills in a collaborative environment

We’re committed to supporting our people and offer flexible working arrangements to help balance work and life, whether part-time or full-time.

About you

You’re a motivated engineer with a passion for water infrastructure and a collaborative mindset. You’re keen to contribute to meaningful projects that make a difference and to help grow the technical skills of junior team members.

You’ll bring a degree in process engineering and at least seven years’ experience in a consulting or utility environment, particularly in wastewater or water treatment plant process design. You’ll be someone who naturally builds strong networks both within and outside the organisation. Chartered status is preferred, but we welcome those actively working towards chartership.

What we offer

Beca prides itself on supporting a diverse and inclusive culture open to input from creative people of all genders, ethnicities, identities, thoughts, and experiences.

Our Water Business

At Beca, our multi-disciplinary Water team works across water, wastewater, stormwater, surface waters, and irrigation. We partner with clients in the municipal, industrial, transport, commercial, mining, and agricultural sectors, delivering impactful projects across New Zealand, Australia, the Pacific, and Southeast Asia.

We’re proud of the strong relationships we’ve built with our clients, who continue to call on our expertise. As demand grows, we’re looking for more great people to join us.

Our people are our greatest asset. It’s their passion, collaboration, and commitment that set us apart. We foster a culture of teamwork not just within the Water team, but across the entire Beca Group.

Apply now

Ready to make everyday better? Apply now.

Seniority level : Mid-Senior level

Employment type : Full-time

Job function : Management and Manufacturing

Industries : Business Consulting and Services

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