Group Administrator – Engineering and Projects

Are you a highly organised and resourceful professional who thrives in a fast-paced, technical environment? McMahon Services is looking for a Group Administrator who can provide seamless executive and operational support to the EGM and broader E&P team. This role is ideal for someone who enjoys variety, excels at managing competing priorities, and values teamwork and continuous improvement.

About McMahon Services

At McMahon Services, we are dedicated to delivering excellence across Australia and New Zealand. We foster a culture of innovation and continuous improvement, underpinned by the highest standards of safety, integrity and collaboration. Join our team and be part of an organisation that builds lasting positive change in the communities where we operate.

About the Role

As the Group Administrator - Engineering and Projects, you'll play a central role in enabling the smooth and efficient operation of the E&P stream. Reporting directly to the Executive General Manager, you'll manage day-to-day administration, executive coordination, HR and financial processes, and project support functions. You'll collaborate closely with other administrators, finance, and commercial teams to ensure consistent, high-quality outcomes across all business activities.

What You'll Be Doing

• Managing complex calendars, meetings, and correspondence for the EGM and leadership team.
• Coordinating management meetings, preparing agendas, minutes, and action registers.
• Assisting with the preparation of monthly board and performance reports.
• Coordinating travel, accommodation, and coordination for the E&P team.
• Supporting HR processes including onboarding, offboarding and training.
• Managing recruitment initiatives, training registers, and performance review coordination.
• Organising internal and external events, cultural activities, and team milestones.
• Administering supplier agreements, invoices, purchase orders, and expense claims.
• Supporting project and commercial documentation including contracts and compliance records.
• Managing internal systems (SharePoint, Pronto, PowerBI, Sitepass, Procore, CAAPS).
• Leading initiatives to enhance operational efficiency, process improvement and team culture.

What You'll Bring

• Qualification in Business Administration, Construction, or a related discipline (desirable).
• Minimum 5 years' experience in administrative or executive support within construction or similar industries.
• Strong knowledge of HR, financial and project coordination processes.
• Proficiency in Microsoft Office and ERP/project systems (Pronto, SAP, Oracle, Procore).
• Excellent written and verbal communication, with high attention to detail.
• Proven ability to manage competing priorities and deliver to deadlines.
• Professionalism, confidentiality, and the ability to work autonomously within a fast-paced team.
• Current driver's licence and flexibility to travel when required.

Why Join McMahon Services?

We offer a supportive, high-performance environment where your contributions are valued and recognised. You'll enjoy:

• A competitive remuneration package that rewards experience and initiative.
• Access to professional development and career growth opportunities.
• A collaborative, inclusive culture that values innovation and continuous improvement.
• Employee benefits including financial wellness programs, recognition initiatives and discounts.

This is your opportunity to play a vital role in one of Australia's leading engineering and construction companies. If you're ready to make a difference and grow your career in a dynamic environment, apply now

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.