About The Role
STAIRLOCK is one of Australia's leading staircase manufacturers, designing, producing, and installing stairs for the nation's top builders for over 40 years. The business continues to grow – driven by innovation, operational excellence, and a relentless commitment to being the builder's partner of choice.
In this role you will be fully responsible for:
Winning new residential builder clients and developing a pipeline across South Australia
Managing and growing key accounts with volume and custom builders by using Stairlock's extensive quoted project database
Presenting at every level: site supervisors, procurement managers, boardroom
Negotiating and converting staircase contracts and projects
Providing confident technical advice across our product range: MDF, American Oak, custom timber, steel, glass
Maintaining accurate sales data: forecasting, margin analysis, pipeline
Representing Stairlock at builder events, trade expos, and HIA/MBA forums
Building your professional profile and Stairlock's visibility through LinkedIn engagement
Who We're Looking For
2+ years in B2B sales or business development – construction or building products preferred
Success selling to medium-density or custom residential builders
Robust negotiation skills, with genuine commercial acumen; you understand margin, not just price




Ability to read building plans and translate them into product solutions
Strong systems skills: NetSuite or similar ERP/CRM, BCI Central, Excel, Outlook
Solid working knowledge of the Adelaide and regional SA builder landscape
Full driver's licence
National Police Clearance
A background in stairs, doors, windows, or building systems is a genuine advantage.
What Stairlock Offers
Competitive base salary + incentive + company car
A high-value South Australian territory with strong existing relationships and significant growth runway
Access to national lead generation support via our Customer Solutions Team
A third-generation family business with the scale of a national operator, clear accountability
ISO *****, ****, and ***** certified – a company that takes quality, sustainability, and safety seriously
A genuine, values-led culture – high accountability, hard work, and real care for our people, with flexible work arrangements, birthday leave, and wellbeing support through our Employee Assistance Program
How To Apply
Submit your resume and a brief cover letter – tell us about your experience with residential builders and what draws you to this opportunity. Applications are assessed as they arrive. Early applications are encouraged.
Confidential Enquiries
Kerri Willshire – |
#J-*****-Ljbffr

📌 Business Development Representative (South Australia)
🏢 Stairlock
📍 South Australia