Principal Process Engineers – Water

Beca; Tauranga; Hybrid; NZD 90,000 - 120,000; Full time

Job summary

A leading engineering consultancy in New Zealand is seeking Senior Associate / Principal Process Engineers to lead water infrastructure projects. Ideal candidates will have a degree in process engineering, with at least seven years of experience in water treatment design. This role offers flexibility and opportunities for professional development, ensuring impactful contributions to sustainable water solutions.

Benefits

Professional development opportunities

Flexible working arrangements

Discounted health insurance

Gym membership discounts

Social club events

Qualifications

• At least seven years’ experience in consulting or utility environments.
• Experience in wastewater or water treatment plant process design.
• Chartered status is preferred but not mandatory.

Responsibilities

• Lead process design and optimisation for water and wastewater projects.
• Manage and deliver large and small-scale projects.
• Mentor junior engineers and represent the company with clients.

Skills

Leadership in process design

Technical communication

Stakeholder management

Education

Degree in process engineering

Job description

Senior Associate / Principal Process Engineers – Water

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.

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 value excellent communication, teamwork, and stakeholder relationship skills. If you’re passionate about making a difference and thrive in a collaborative environment, we’d love to hear from you.

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

A Career With Beca Will Provide You With

• Professional development opportunities
• A supportive and caring work environment where you can bring your whole self to work
• Support with relocation and immigration for suitable applicants
• Flexible working arrangements to balance your personal and family commitments
• Opportunities to learn from our industry experts and technical gurus across the Asia Pacific
• A highly supportive environment of sharing and collaboration
• Excellent benefits for all staff including discounted health insurance, gym membership discounts, and a variety of social club events

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.

Ready to make everyday better? Apply now.