Title: Junior Mechanical Engineer – HVAC Design & Project Management

Location: Sydney, NSW

Must have Australian permanent residency or citizenship and right to work in Australia

About Us

Treadies HVAC & R is a fast-growing mechanical services company operating across Australia, specialising in the design, installation, and maintenance of HVAC and refrigeration systems. We deliver high-quality, energy-efficient solutions for both commercial and residential clients, with a strong focus on reliability, innovation, and exceptional service.

We are expanding our NSW operations and are seeking a motivated Junior Mechanical Engineer to join our Sydney team. This is a unique opportunity to work directly with the company owner in a collaborative and inspiring workspace while contributing to exciting and diverse projects.

The Role

As a Junior Engineer, you'll be involved in:

Assisting with the design and concept development of HVAC systems using industry-standard tools and software.

Proficiency in AutoCAD and Revit required

Preparing and reviewing technical drawings, schematics, and documentation.

Supporting the coordination and management of projects from inception to completion.

Liaising with clients, builders, architects, and subcontractors to ensure design intent is met.

Undertaking site inspections, measurements, and quality checks.

Contributing to innovative solutions for energy efficiency and sustainability in HVAC design.

Working knowledge of AS/NZS 3666, AS 1668, and NCC Section J requirements

Maintaining project records, schedules, and compliance with relevant standards.

Bachelor's degree in Mechanical Engineering or related field required

Workplace & Perks

Direct mentorship from the company owner, working side-by-side in our NSW office.

Based at The Commons, Surry Hills — a modern, highly functional co-working environment with excellent facilities, creative energy, and a vibrant community.

A workplace that values work–life balance, flexibility, and personal development.

Opportunities to be hands-on with both design and on-site project work, building skills in two career streams at once.