Principal Design Engineer

Billi
Melbourne, VICFull time

Listed 19 Sep 2026

15th September, 2026

At Billi, we're building a global brand through innovation, collaboration, and engineering excellence.

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

  • Lead complex product design and engineering initiatives
  • Drive innovation and future product platform development
  • Develop manufacturable solutions using SolidWorks
  • Improve product performance, reliability and cost efficiency
  • Shape engineering standards, methods and best practices
  • Provide technical leadership and mentorship across teams
  • Support design reviews and major engineering projects
  • Partner with Manufacturing, Product and Compliance teams
  • Influence technology roadmaps and strategic decisions
About you
  • Degree qualified in Mechanical Engineering or similar
  • Extensive product design experience in manufacturing
  • Advanced SolidWorks and product development expertise
  • Strong knowledge of DFM, DFMEA, validation and reliability
  • Proven ability to solve complex technical challenges
  • Experience influencing technical decisions and strategy
  • Excellent communication and stakeholder management skills
  • Passion for innovation, quality and continuous improvement
Why join Billi?
  • Shape the future of Billi's products and technology
  • Work on innovative products with global impact
  • Influence engineering strategy and best practice
  • Join a collaborative, high-performing team
Shape the future. Tap into Billi. Apply now.