McMahon Services has an exciting opportunity for an Administrative Assistant to join our Building & Construction Precontracts team, based at our Adelaide Head Office.

This role is ideal for someone early in their career who is looking to build a pathway into the construction industry, supporting the delivery of tenders and submissions for commercial construction projects.

About McMahon Services

McMahon Services is one of Australia’s largest privately owned construction, industrial and environmental services organisations, operating across Australia with over 1,300 employees. Our reputation is built on integrity, strong relationships and delivering certainty for our customers.

About the Role

This role will see you supporting a dynamic Precontracts team responsible for delivering estimates and tenders for building and construction projects up to $50 million. Reporting to the Bid Manager, you will work closely with estimators and leadership to provide administrative and coordination support across tender activities.

What You’ll Do

• Manage shared inboxes and distribute correspondence to the appropriate team members
• Enter and maintain information within internal tender management systems
• Assist in preparing submissions, templates and tender documentation
• Support the development of presentations and business documents
• Maintain and update systems, databases and records
• Coordinate team events and activities
• Collate project photos and supporting materials
• Provide general administrative support as required

What You’ll Bring

• A positive, proactive approach with a willingness to learn
• Strong communication skills and attention to detail
• Proficiency in Microsoft Office (Word, Excel, PowerPoint)
• A certificate in Administration, Business, Marketing or similar (desirable)
• Experience with Adobe InDesign, Photoshop or Illustrator (highly regarded)
• Familiarity with construction or tendering environments is welcomed, but not necessary

Why Join McMahon Services?

• Gain exposure to commercial construction projects and tendering processes
• Develop your career within a supportive and experienced team
• Access training, mentoring and progression opportunities
• Be part of a collaborative, team-focused environment

Apply now to kick-start your career in construction with McMahon Services.

No recruitment agencies please

At McMahon Services, we embrace diversity and inclusion as fundamental values. We believe that a diverse workforce fosters innovation, creativity and a deeper understanding of the communities we serve. We are committed to creating an inclusive environment where all employees feel valued, respected and empowered to contribute their unique perspectives and talents. We encourage applications from people of all backgrounds, identities and experiences.