Job Description

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15th September, 2026 n

At Billi , we're building a global brand through innovation, collaboration, and engineering excellence.
n We're seeking a Principal Design Engineer to be our most senior technical expert in product design and engineering. You'll solve complex design challenges, drive next-generation product development, influence engineering strategy, and set the standards that define our products.
What you'll do

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Lead complex product design and engineering initiatives
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Drive innovation and future product platform development
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Develop manufacturable solutions using SolidWorks
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Improve product performance, reliability and cost efficiency
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Shape engineering standards, methods and best practices
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Provide technical leadership and mentorship across teams
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Support design reviews and major engineering projects
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Partner with Manufacturing, Product and Compliance teams
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Influence technology roadmaps and strategic decisions
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About you n

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Degree qualified in Mechanical Engineering or similar
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Extensive product design experience in manufacturing
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Advanced SolidWorks and product development expertise
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Solid knowledge of DFM, DFMEA, validation and reliability
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Proven ability to solve complex technical challenges
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Experience influencing technical decisions and strategy
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Excellent communication and stakeholder management skills
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Passion for innovation, quality and continuous improvement
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Why join Billi? n

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Shape the future of Billi's products and technology
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Work on creative products with global impact
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Influence engineering strategy and best practice
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Join a cooperative, high-performing team
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Shape the future. Tap into Billi. Apply now. n

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📌 Principal Design Engineer Victoria (Australia)
🏢 Billi
📍 Australia