Senior Design Engineer

15th September, 2026 At Billi, we believe great things happen when people come together. As one team with one focus, we're building a powerful global brand with a shared mission: to have Billi water at the heart of every home and workplace around the world. We're looking for an experienced and technically exceptional Senior Design Engineer to lead the design and development of innovative new products. Reporting into the R&D team, you'll take ownership of complex engineering projects from concept through to production release, while providing technical guidance and mentorship to Design Engineers across the business. What you'll be doing • Lead complex product development projects from concept to production release. • Create detailed, manufacturable designs and engineering documentation using SolidWorks. • Apply DFM, DFS and sustainability principles throughout the design process. • Lead prototyping, testing and validation to ensure performance, quality and reliability. • Drive design reviews and DFMEA activities to identify and mitigate risks. • Ensure designs meet global compliance, certification and regulatory requirements. • Collaborate with manufacturing, quality, compliance and project teams. • Mentor Design Engineers and provide technical leadership across the NPD team. • Drive continuous improvement in product performance, reliability and engineering standards. About you • Degree qualified in Mechanical Engineering, Product Design Engineering or a related discipline. • Extensive product design and development experience in a manufacturing environment. • Advanced SolidWorks skills, including complex assemblies and technical documentation. • Strong knowledge of prototyping, testing, validation and DFMEA methodologies. • Experience designing for manufacture, compliance and certification. • Proven ability to lead complex projects and influence cross-functional teams. • Strong problem-solving skills with a focus on innovation and improvement. • Passion for mentoring and developing engineering capability. Why join us? • Help bring innovative products to local and global markets. • Work with a collaborative and high-performing engineering team. • Influence product design strategy and engineering standards. • Join a respected Australian brand known for innovation and quality. • Access ongoing career and professional development opportunities. This is an exciting opportunity for a hands-on engineering leader who is passionate about product innovation, design excellence, and delivering world-class customer outcomes. Design the future. Engineer excellence. Join Billi.