Senior Mechanical Designer

Company Description Work with Us. Change the World.

At AECOM, we're delivering a better world. Whether improving your commute, keeping the lights on, providing access to clean water, or transforming skylines, our work helps people and communities thrive. We are the world's trusted infrastructure consulting firm, partnering with clients to solve the world’s most complex challenges and build legacies for future generations.

There has never been a better time to be h accelerating infrastructure investment worldwide, our services are in great demand. We invite you to bring your bold ideas and big dreams and become part of a global team of over 50,000 planners, designers, engineers, scientists, digital innovators, program and construction managers and other professionals delivering projects that create a positive and tangible impact around the world.

We're one global team driven by our common purpose to deliver a better world. Join us.

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180 Equitable Workplace Awards 2025 Winner and an AWEI Bronze Tier LGBTQ+ Inclusive Employer.

Job Description As a Senior Mechanical Designer you will be working with lead designer in the delivery of mechanical engineering design packages for various mineral mining and processing projects – from underground copper / gold hard rock mining and Lithium / Alumina surface mining through to materials handling facilities and general mineral refinery / processing plant piping. Operating with a high degree of autonomy, you will apply technical expertise across the full project lifecycle;

from concept through to detailed design and construction support with minimal supervision.

You will be a key technical contributor within a multidisciplinary consulting team, providing complex mechanical design scope including surface and underground material handling, ventilation systems, fixed plant, processing facilities and associated infrastructure typical of Copper / Gold / Lithium / Alumina mineral and mining environments.

How you'll make a difference:

Produce detailed mechanical designs, equipment layouts, and engineering drawings using AutoCAD, Microstation, and Advance Steel, ensuring compliance with Australian Standards, client specifications, and applicable mining regulations

Develop and manage 3D plant models and coordinate discipline clash detection using Navisworks or equivalent federated modelling tools

Apply a thorough understanding of underground hard rock and/or surface mining systems including ore handling (crushers, conveyor systems, ore passes, winders/hoists), dewatering, ventilation on demand (VOD) systems, processing plant (storage bins, conveyor systems, mills, screens, tanks, pumping and piping), workshops and fixed plant.

Independently interpret geotechnical, civil, and structural interfaces to produce fully coordinated mechanical designs appropriate for underground environments.

Liaise directly with project engineers, project managers, and client representatives to manage design deliverables, resolve technical queries, and ensure on-time delivery.

Qualifications The following qualifications and experience are highly desired, but if you don’t tick all the boxes, you could still be a fit for this role. Please apply, as all applications will be considered.

The qualities that help you thrive

Minimum 8–12 years of mechanical drafting and design experience, with at least 5 years focused on mining and mineral processing (copper/gold/alumina preferred)
Diploma or Advanced Diploma in Mechanical Engineering (or equivalent)
Advanced proficiency in AutoCAD, Microstation, Open Plant Modeler, Advance Steel, and Navisworks experience is essential.  Revit and Plant 3D would be highly regarded

Demonstrated experience producing deliverables across all design stages (Pre-Feasibility, Feasibility, Detailed Design, and Construction)
Additional Information The Workplace Gender Equality Agency (WGEA) recognises AECOM as taking a sophisticated, holistic…