Hassell is seeking a Senior Interior Designer to join our Sydney studio and contribute to high-quality, recognised workplace interior design projects. This is an opportunity to work within a national design team, collaborate with leading designers across studios, and help deliver spaces that influence how people work, connect and experience place.This role will suit a designer who combines strong conceptual thinking with a refined design eye and the technical confidence to bring ideas through to delivery. You will work in a focused, fast-moving project team where your contribution will be visible, valued and genuinely influential.What you will doLead and contribute to premium workplace interiors from concept through to completionDevelop compelling design concepts, spatial strategies and material palettesProduce and review documentation in RevitPresent design ideas confidently to clients and stakeholdersCollaborate with architects, strategists, designers, consultants and contractorsSupport and mentor junior designers