Build Your Career with NJM Group

Join an established Australian-owned business delivering specialist security, safety and infrastructure solutions nationwide.

With over 32 years of industry experience, NJM Group has built a strong reputation for delivering practical, reliable and innovative solutions across Australia.

Through our Australian Bollards division, we specialise in the supply and installation of bollards, hostile vehicle mitigation (HVM) systems, perimeter security, access control solutions and custom steel fabrication. Our products and services support a diverse range of commercial, government, industrial, education, healthcare and infrastructure projects.

As our business continues to grow, we are seeking a motivated, customer-focused Internal Sales Representative to join our team and help drive the next stage of our growth.

If you enjoy building relationships, identifying opportunities and turning customer enquiries into successful outcomes, this is an opportunity to develop your career in a specialised and growing industry.

About the Role

As an Internal Sales Representative, you will play an important role in supporting our sales operations, developing customer relationships and converting opportunities into sales.

Working closely with our Business Development, Estimating and Project Delivery teams, you will manage incoming enquiries, prepare quotations, follow up opportunities and assist customers in finding the right solutions for their projects.

You will work across a wide-ranging portfolio of projects, engaging with builders, contractors, architects, consultants, facility managers and commercial clients throughout Australia.

Product training and ongoing support will be provided to help you build your technical knowledge and succeed in the role.

Key Responsibilities

- Respond promptly and professionally to customer enquiries via phone, email and website.
- Prepare accurate quotations,



pricing schedules and sales proposals.
- Proactively follow up outstanding quotations to improve conversion rates and secure new business.
- Identify and assess project opportunities through EstimateOne and other tender platforms.
- Assist with tender submissions, project pricing and sales documentation.
- Process sales orders and coordinate with internal teams to support efficient project delivery.
- Build and maintain solid relationships with customers, builders, contractors, consultants and other industry stakeholders.
- Provide product information, technical guidance and suitable solutions to meet customer requirements.
- Maintain accurate customer information, sales activity and opportunity records within CRM systems.
- Support Business Development Managers with project sales and customer engagement.
- Identify opportunities to expand existing accounts, develop new customer relationships and grow revenue.

About You You are proactive, organised and commercially minded, with a genuine interest in sales and customer service. You enjoy working in a team environment, managing competing priorities and taking ownership of opportunities from initial enquiry through to order.

Ideally, you will bring:

- Previous experience in internal sales, sales support, customer service, estimating or a similar commercial role.
- Experience using EstimateOne or other construction tender platforms — highly desirable.
- Exposure to construction, building products, steel fabrication, manufacturing, security or infrastructure industries — preferred.




- Strong communication, negotiation and relationship-building skills.
- Excellent organisation, time management and attention to detail.
- The ability to manage multiple enquiries, quotations and projects simultaneously.
- Confidence using Microsoft Office and CRM systems.
- A proactive, positive and solutions-focused attitude.
- The ability to work independently while contributing to a collaborative team.
- Mandarin language skills — highly regarded.

Most importantly, we are looking for someone who takes initiative, follows through on opportunities and is committed to delivering an excellent customer experience. Why Join NJM Group?

- Established Australian business: Become part of a company with more than 32 years of industry experience.
- Meaningful projects: Contribute to commercial, government, industrial and major infrastructure projects across Australia.
- Specialist industry: Develop your expertise in bollards, hostile vehicle mitigation, perimeter security and infrastructure solutions.
- Training and development: Build your product knowledge and sales capability with ongoing support from an experienced team.
- Supportive culture: Work alongside collaborative colleagues across sales, estimating and project delivery.
- Career progression: Develop your skills and pursue long-term opportunities as the business continues to expand.
- Competitive remuneration: Receive a competitive salary with opportunities to grow alongside the business.

Ready to Take the Next Step? If you are commercially driven, customer-focused and ready to contribute to a growing Australian business, we would love to hear from you.

Join NJM Group and help deliver security and infrastructure solutions that make a difference across Australia.

Apply today to become part of the NJM Group team.

Pay: $65,000.00 – $80,000.00 per year

Work Location: In person

📌 Internal Sales Representative (Heidelberg West)
🏢 NJM Group
📍 Heidelberg West