Business Development Manager

About Us

At D&E Air Conditioning, our people are at the centre of everything we do. As one of Australia’s leading mechanical services contractors, we offer the opportunity to work on some of the country’s most complex and high-profile projects while being supported by a collaborative, safety-first, and team-oriented culture.

With over 35 years of industry success and a national workforce of more than 900 employees, we are committed to long-term career development, continuous learning, and recognising the contribution our people make every day. Join a business where stability, innovation, and genuine career progression go hand in hand.

About The Role

As the Business Development Manager within our Service division, you will play a key role in driving sustainable growth and developing long-term client partnerships across a diverse range of industries including commercial, healthcare, education, retail, industrial, and government sectors.

You will be responsible for identifying new business opportunities, growing existing accounts, and supporting the conversion of warranty customers into ongoing service partnerships.

Key responsibilities include:

• Identifying and securing new HVAC service and maintenance opportunities

• Developing and managing strong client and stakeholder relationships

• Preparing proposals, tenders, presentations, and service agreements

• Growing preventative maintenance, reactive service, minor works, and lifecycle upgrade opportunities

• Conducting customer reviews and supporting long-term contract retention

• Monitoring market trends, competitor activity, and emerging opportunities

• Supporting pricing, contract negotiations, and commercial outcomes

• Maintaining accurate CRM records, forecasting, and pipeline reporting

About You

You are a motivated and relationship-driven professional with a strong commercial mindset and a passion for delivering exceptional customer outcomes. You thrive in a fast-paced environment, enjoy building long-term partnerships, and can identify opportunities that drive business growth.

Skills & Experience:

• Proven experience in business development, account management, or sales within the construction, HVAC, or mechanical services industry

• Strong commercial acumen with experience preparing tenders and proposals

• Excellent communication, negotiation, and stakeholder management skills

• Ability to build and maintain strong client relationships

• Highly organised with strong time management and prioritisation skills

• Strong problem-solving skills with a proactive and solutions-focused approach

• Collaborative team player who values professionalism, integrity, and accountability

• Understanding of HVAC systems and service delivery environments is highly regarded

Why Join Us?

We’re proud of the culture we’ve built — one that values teamwork, accountability, innovation, and genuine collaboration. We foster an environment where ideas are welcomed, contributions are recognised, and people are empowered to take ownership and grow their careers.

What We Offer

• Collaborative, team-oriented, and people-focused culture

• Long-term career growth and professional development opportunities

• Competitive salary package and employee benefits

• Opportunity to work with skilled industry professionals in a high-performing environment

D&E is an equal opportunity employer and encourages indigenous Australians to apply. We promote inclusiveness, cultural diversity, gender equality and non- discrimination. To be eligible to apply for this role you must be legally permitted to work permanently in Australia.

Kindly note, only shortlisted candidates will be contacted. Ready to take the next step? Visit D&E Air Conditioning to learn more or click Apply now.