Site Operations Admin Lead - Payroll & Procurement

Monadelphous Group; Mackay Regional; On-site; AUD 90,000 - 120,000; Full time

Job summary

Monadelphous Group is seeking an experienced Senior Site Administrator to join our Mackay Operations team on a permanent, full-time basis. Based from our Mackay office, this local role will also provide site-based support during shutdowns and outages as required, with Mackay local and flexible rosters.

The role covers invoicing, procurement, cost tracking, payroll for 40+ staff, and admin support to the site manager and project team.

Qualifications

• Mining experience preferred but not essential.
• Willingness to learn new systems.
• Excellent communication and problem-solving skills.
• High attention to detail and customer service focus.
• Team-oriented mindset.
• Positive attitude and commitment to professional growth.

Responsibilities

• Weekly invoicing and client claims.
• Procurement and purchase order management.
• Cost tracking and variance analysis.
• Credit card reconciliation.
• Daily timesheet entry and weekly payroll for 40+ employees.
• Admin support to site manager and project team.
• Travel and medical bookings.
• Assist with site compliance and onboarding.

Skills

Communication skills

Problem-solving

Team orientation

Detail oriented

Job description

Monadelphous Group is seeking an experienced Senior Site Administrator to join our Mackay Operations team on a permanent, full-time basis. Based from our Mackay office, this local role will also provide site-based support during shutdowns and outages as required, with Mackay local and flexible rosters.

The role covers invoicing, procurement, cost tracking, payroll for 40+ staff, and admin support to the site manager and project team.