Mechanical/Electrical Engineer

At Road Science, our team is committed to driving innovation and finding new and exciting ways to create superior road and pavement solutions for every New Zealand situation. As an industry, we believe there is always opportunity for improvement, and through our people and processes, we are leading the charge in meeting our customers’ needs.

We are looking for a skilled and experienced Mechanical or Electrical Engineer to join our Engineering team. This is a pivotal role focused on ensuring our business assets are soundly engineered, modified and maintained.

Te kōwhiringa | The Opportunity
In this role, you will investigate and analyse opportunities to enhance design, asset rationalisation and standardisation, reduce production costs, and improve safety, quality and operational performance.

The position has a strong focus on project management, major plant maintenance, engineering design, operational efficiency, energy performance and driving technical innovation.

Key responsibilities include:

• Engineering & Asset Management: Lead capital upgrades, plant improvements and asset optimisation initiatives, delivering cost-effective maintenance solutions while supporting budgeting and standardisation efforts.
• Projects & Major Maintenance: Provide engineering support and manage projects, including preventative programmes and accurate documentation through CMMS systems.
• Leadership & Collaboration: Coordinate contractors and collaborate with internal teams to deliver high-quality outcomes while supporting operational capability and training.
• Safety, Compliance & Risk: Ensure all work complies with legislation and standards, actively promote a Zero Harm culture, and manage risks through audits and safe project delivery.
• Innovation & Continuous Improvement: Drive innovation by exploring new technologies and improving plant efficiency, energy use and production performance.

The role supports our bitumen & asphalt plants across New Zealand, from Whangārei to Bluff, and requires travel from time to time.

Ngā pūkenga matua | Important Skills
We’re seeking a strong communicator and collaborative team player who thrives in a dynamic environment, embraces continuous improvement, and can adapt to changing priorities.

To succeed in this role, you will bring:

• A tertiary qualification in Mechanical or Electrical Engineering with practical experience in plant maintenance and/or manufacturing environments
• Senior-level design and project execution skills with 10+ years’ experience
• Proven ability to manage multiple projects from design through to execution, ideally supported by project management experience or qualifications
• Strong understanding of plant processes and the interpretation of engineering drawings relevant to your discipline, such as P&IDs or electrical schematics
• Working knowledge of relevant mechanical or electrical engineering codes and standards, such as API 650 and API 653 for mechanical engineering
• Proficiency in engineering design software relevant to your discipline, such as AutoCAD and/or SolidWorks
• Sound understanding of electrical and control systems
• Flexibility to travel as required

Ko te take ka parekareka e koe ki te mahi ki kōnei | Why you will enjoy working here
As part of Road Science, you’ll be joining a team focused on innovation, technical excellence and delivering better solutions for New Zealand’s roading industry, while also benefiting from the support and opportunities available across Downer. We offer:

• Free access to Marram health care benefits and discounted holiday homes
• All the tools of trade you need to do your job
• Discounts with Samsung, PB Tech, gym memberships and more
• $500 bonus for current employees who refer a friend to Downer
• Progression and development programmes, including our Inspiring Leaders programme for top performers

Have a look at our other great benefits here!

Ko wai mātou | Our Organisation
Want to know more about what it is like to work at Downer? Then head to our People Site here!

Me pēhea ki te tono | How to apply
If this sounds like the opportunity for you, click Apply Now to submit your application!

We are committed to providing a safe working environment for everyone. All successful applicants will be required to undertake a pre-employment drug test, medical and Ministry of Justice check prior to starting employment. If you need support with this requirement, please talk to our team.