MRX is a specialist supplier to the heavy vehicle industry across Australia and New Zealand. Backed by Mammoth Equipment & Exhaust , MRX focuses on truck exhaust and emissions systems — from DPFs, DOCs, SCRs, clamps, and gaskets to complete exhaust cleaning and refurbishment services. We’re expanding and seeking a hands-on Business Development Manager to drive growth across Western Australia. This is a great opportunity for someone with energy, initiative, and strong relationship-building skills to help grow a fast-developing brand in the heavy transport sector. PLEASE NOTE: Shortlisted candidates will be invited to complete and Automated Video Screening as part of the recruitment process. The Role: Build and grow sales with new and existing customers Promote MRX’s full range of products and exhaust cleaning services Visit customers on-site — transport fleets, workshops, resellers, and distributors Prepare quotes, pricing, and tailored product solutions Track competitor activity and market trends Collaborate with operations and warehouse teams to ensure seamless delivery Report on pipeline, sales activity, and key opportunities The Candidate: Proven experience in sales or account management within the truck, automotive, or parts industry Knowledge of exhaust or emissions systems (preferred but not essential) Confident communicator with strong face-to-face customer engagement skills Self-starter with a drive to meet targets and grow your territory Ability to manage your schedule and work independently Willingness to travel up to 70% , including interstate trips The Offer: Competitive salary: Up to $120K base vehicle phone laptop Supportive and professional team with a strong industry reputation Career growth within a fast-growing national network Long-term employment and ongoing professional support Hours: General hours 8:00am – 5:00pm, Monday to Friday (occasional interstate travel and overtime required) Location: Forrestdale WA 6112 If you’re motivated, organised, and ready to represent a growing brand that’s becoming the go-to name in diesel emissions , we’d love to hear from you.
