Great people. Great Engineers.

Design heating, ventilation and air conditioning systems that people feel every day. Take early ownership with coaching that helps you grow fast.

What are mechanical services?

Mechanical services focus on heating, ventilation and air conditioning (HVAC) and related plant. They include chillers, heat pumps, air handling, smoke control and thermal comfort. These are the systems that help make buildings comfortable for the people who use them.

What our mechanical team does

Our mechanical team designs HVAC systems that balance comfort, energy and cost. We size plant, design out ductwork and pipework while coordinating with structure and other building services so everything fits and works.

Why this role

• Work on live projects across all building types including offices, education, health, retail and mixed use
• Learn by doing with mentoring and practical feedback
• Share ideas and improve how we design and deliver

What you’ll do

• Assist with HVAC design from concept to coordinated 3D models
• Calculate loads, size equipment and select plant with supplier input
• Coordinate with everyone else working on the design of a building including architects, structural engineers and other building services designers
• Prepare drawings, schedules and reports that contractors can build from
• Visit site to see installation and commissioning, and close out issues
• Support meetings and present options in clear, simple language

How we’ll support you

• A dedicated buddy and mentor, plus regular check ins with senior leaders
• Onsite and virtual workshops, technical training and knowledge shares
• Rotation opportunities across disciplines to broaden your skills
• Practical feedback loops so you can see progress fast

What you’ll get

• Early ownership on visible projects with coaching when you need it
• Variety that stretches you across sectors and project stages
• Approachable leaders and a small team feel, backed by Tetra Tech’s network of more than 22,000 specialists
• 5 weeks of annual leave and a supportive team culture
• Chances to give back, including volunteering with EWB and community initiatives

About our graduate program

Our two year program builds your consulting and technical skills. You will work with clients, learn how projects move from sketch to site and grow your confidence as a trusted adviser. You will join social and networking events, rotate across disciplines and get hands on experience that sets you up for a strong career.

Must haves

• Near completion of, or recently completed, a mechanical engineering degree
• Clear written and verbal communication
• Curious mindset with problem solving skills
• Available to start in 2027
• Full Australian working rights for the duration of the program

Nice to haves

• Exposure to HVAC design tools, 3D drafting or energy modelling
• Familiarity with Australian Standards and the NCC
• Interest in sustainability and ratings such as Green Star and NABERS
• Internship, site or project experience in building services

If you meet most of the criteria but not all, please apply.

How to apply

Applications open on 1 July 2026 and close on 2 August 2026.

Our four-step process:

1. Application - submit your resume, cover letter and academic transcript
2. Online assessment - complete an assessment and short video interview
3. Assessment Stage - Depending on the NDY office and role you’ve applied for, you may be invited to either:

• Attend a face-to-face assessment centre (including group activities), followed by a final interview, or
• Complete an in-person case study, followed by an interview.

    4. Offer - successful candidates receive an offer from our talent acquisition team

About us

NDY, A Tetra Tech Company, is a consulting engineering firm that works with clients and design partners across Australia, New Zealand, the United Kingdom, Ireland and Canada. We focus on practical, buildable design that helps clients run safe, comfortable and efficient buildings. As part of Tetra Tech, we can draw on a global network of more than 22,000 specialists when projects call for it.

Equal opportunity and Circle Back

We’re building a team that reflects the communities where we work. If you need adjustments during the application process, please tell us. We support reconciliation through our Reconciliation Action Plan (RAP) and we’re recognised by the Workplace Gender Equality Agency (WGEA) as an Employer of Choice for Gender Equality. As a 2026 Circle Back Initiative employer, we’re committed to responding to every applicant.