Ausenco is a fast-growing company with big ideas. We redefine what's possible in some of the world's most complex projects and toughest environments. Delivering innovative, value-add consulting, project delivery, asset operations and maintenance solutions is what we do. From 21 offices in 9 countries, with projects in over 80 locations worldwide, we create sustainable outcomes for our people, clients and communities. 

We are seeking two Site Administrators to join our team supporting the Rex Minerals Hillside Copper Project in South Australia, with a preference for candidates based on the Yorke Peninsula, Adelaide, or surrounding regions. 

This is an exciting opportunity to join one of Australia's most significant emerging mining developments and play a key role within a major EPCM project team. As a Site Administrator, you will provide critical administrative and coordination support to the project site team, ensuring the efficient day-to-day operation of site activities. We are open to a range of roster and work arrangement options, including work-share and rostered arrangements, to ensure full-time site coverage throughout project execution. 

About the role 

As a Site Administrator, you will:

• Provide administrative support to the Project Manager, Construction Management team and broader site-based workforce.
• Coordinate site office operations, including document control, filing systems, correspondence and records management.
• Manage site inductions, visitor registrations, accommodation bookings and travel arrangements.
• Support onboarding and mobilisation activities for employees, contractors and visitors.
• Maintain personnel records, training matrices and workforce registers.
• Assist with timesheet administration and general workforce reporting.
• Coordinate meetings, manage calendars and prepare meeting agendas, presentations and minutes.
• Maintain project databases, tracking registers and administrative reporting requirements.
• Assist with procurement administration, purchase requisitions and invoice processing activities.
• Liaise with corporate support teams and external service providers to ensure efficient site operations.
• Support compliance requirements through the maintenance of project documentation and records.
• Foster a professional, collaborative and service-focused environment for all site personnel. 

About you 

To be successful in this role, you will bring:

• Previous experience in a Site Administrator, Project Administrator, Office Administrator or similar role within mining, construction, engineering, infrastructure or major project environments.
• Strong organisational and time management skills with the ability to manage multiple priorities simultaneously.
• Excellent attention to detail and commitment to maintaining accurate records and documentation.
• Demonstrated experience coordinating travel, accommodation and mobilisation logistics.
• Strong verbal and written communication skills, with the ability to build effective relationships across all levels of a project team.
• High proficiency in Microsoft Office Suite, particularly Word, Excel, Outlook and Teams.
• Experience working within an EPCM, resources or large project delivery environment will be highly regarded.
• A proactive, flexible and solutions-focused approach to supporting project teams.
• The ability to work independently while contributing positively to a collaborative team environment. 

Why Ausenco? 

We support individual growth and aim to allow you to work in a way that plays to your strengths. In addition to a competitive remuneration package we offer:

• Career advancement – Be supported in your ongoing development with technical training, mentoring programs and frequent networking opportunities.
• Work Life Balance – Be empowered to enjoy your life outside of work with flexible working arrangements and modern leave policies including paid parental leave and floating public holiday programs.
• Holistic approach to wellness – Access confidential support services including health and fitness programs, financial coaching and counselling services.
• Accessible leadership team – Work alongside highly respected industry leaders who value your contribution.

The Rex Minerals Hillside Project is located approximately two hours from Adelaide on South Australia's Yorke Peninsula and represents one of Australia's most significant emerging copper developments. This is an opportunity to contribute to a landmark project while working alongside some of the industry's leading project delivery professionals. 

We're proud of the work we do, and we do it within a culture that is open, honest and cooperative. We have a history of attracting visionary people who embrace challenges and deliver creative solutions for every project, and your voice is an important part of the conversation. 

As a global company, we embrace and encourage diversity in its fullest sense – gender identity, gender expression, sexual orientation, age, experience, nationality, colour, language, religion, location, disability, education, skills, working styles and time availability. Our work environments are based on mutual trust and respect for the rights and opportunities of every individual.

Join us and work a better way.