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.