Senior Site Administrator

About the Company

Hays is proud to partner with Avenira Limited to recruit a Senior Site Administrator for the Wonarah Phosphate Project, located in the Barkly region of the Northern Territory. Avenira is a fertilizer‑focused project developer progressing a long‑life, world‑scale phosphate operation. As the site transitions into steady‑state operations, this role presents an opportunity for an experienced site administration professional to contribute to a growing NT mining project with long‑term potential.

About the Role

Reporting to the Resident General Manager and/or Business Services Manager, the Senior Site Administrator will lead site‑wide administrative functions while providing high‑level support across finance, HR administration, FIFO logistics, camp operations, governance, and compliance. This is a senior, hands‑on role requiring autonomy, strong judgment, and the ability to support both site leadership and corporate stakeholders in a remote FIFO environment.

Key Responsibilities

• Lead end‑to‑end site administration, governance, and document control
• Provide bookkeeping and financial support, including PR/PO processing, accruals, cost allocations, and end‑of‑month processes
• Support budgeting, forecasting, and cost reporting in collaboration with site and corporate finance teams
• Coordinate FIFO travel, mobilisations, and demobilisations (FIFO/DIDO/BIBO)
• Manage camp accommodation and tenancy administration in conjunction with camp service providers
• Provide executive‑level administrative and EA support to senior site leadership
• Administer HR processes including onboarding, reporting, and maintenance of HR systems
• Maintain WHS, compliance, and online safety systems
• Act as a key point of contact for site personnel, contractors, and community enquiries
• Mentor and support site administration team members

To be successful, you will bring

• Proven senior‑level site administration experience, ideally with significant remote or FIFO mining operations, with demonstrated capability to operate autonomously and support senior site leadership across finance, HR, and operational interfaces.
• A strong background across site administration, bookkeeping and cost reporting, HR administration and reporting, camp accommodation management, and general site support, relevant to the mining or heavy industry sector.
• Experience supporting end‑of‑month processes, budgets, forecasts, and cost controls with a high degree of accuracy and governance awareness.
• Demonstrated capability using HR and workforce systems such as Employment Hero and/or ELMO, along with online safety and WHS platforms including MYOSH, SkyTrust, GOSH, or SAI Global.
• Strong systems proficiency, including ERP platforms such as Pronto, Pulse, SAP, and advanced Microsoft Office skills, particularly Excel.
• Well‑developed communication skills, attention to detail, and the ability to build trusted working relationships across site and corporate teams.
• Current Australian work rights and a valid driver’s licence.

Qualifications (Highly Regarded)

• Cert IV in Accounting and Bookkeeping (Preferred)
• First Aid, Warden, Fire Extinguisher, or WHS training
• Experience working with NT regulatory, payroll tax, and WorkCover requirements

Diversity & Inclusion

Avenira and Hays are committed to workplace diversity and inclusion. Traditional Owners and First Nations candidates from the Barkly region and surrounding NT communities are strongly encouraged to apply.

Pre‑Employment Requirements

As part of the recruitment and onboarding process, shortlisted candidates will be required to successfully complete

• Psychometric assessment
• Microsoft Office skills assessment (where applicable)
• Industry‑relevant pre‑employment medical
• Drug & Alcohol screening
• National Police Check

What’s on Offer

• FIFO/DIDO opportunity on a growing NT phosphate project
• Supportive site culture with strong leadership engagement
• Opportunity to influence systems, processes, and site maturity
• Competitive renumeration

LHS 297508