Senior Site Administrator

Monadelphous; Mackay Regional; On-site; AUD 90,000 - 130,000; Full time

Job summary

Monadelphous is seeking a Senior Site Administrator to join the Mackay Operations team on a permanent, full-time basis. The role is based from our Mackay office and will provide site-based support during shutdowns and outages as required, with local duties and roster flexibility.

The successful candidate will handle invoicing, procurement, cost tracking, payroll for 40+ staff, and admin support to the site manager.

Qualifications

• Experience in site administration and support
• Strong communication and problem-solving skills
• High attention to detail and customer service focus
• Ability to work with diverse teams and adapt to rosters

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

Invoicing

Procurement

Cost tracking

Payroll

Administration

Communication

Detail-oriented

Job description

We’re excited to offer a fantastic opportunity for 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. Mackay local and a flexibility to work varied rosters is essential.

Key responsibilities will include.

• 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

What you will bring

• 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

Life at Monadelphous

We celebrate our diversity and shared values and are committed to inclusion and equal opportunities for all. We’re committed to hiring locally, encourage people of all diverse backgrounds to apply and strongly encourage women and First Nations people to submit an application.

About us

Monadelphous is an ASX-200 company providing multidisciplinary construction, maintenance and industrial services to many of the largest companies in the resources, energy and infrastructure sectors. Established in 1972, we’ve been working in Australia and around the world for more than 50 years. We work on the biggest projects and ensure our teams have a variety of opportunities available to follow their career path of choice.

Our Maintenance and Industrial Services division specialises in providing comprehensive, multidisciplinary maintenance and improvement solutions for customers across Australia and internationally, through a network of supporting workshops and operations in key regional areas, within the resources, energy and industrial sectors. Our expertise encompasses a wide range of services including the planning, management and execution of mechanical and electrical maintenance and project services, shutdowns, civil and infrastructure works, fixed plant maintenance services, access solutions, specialist coatings and rail maintenance services.

We have been part of the local Mackay community for over 25 years, proud to be providing jobs for the region in the Resources and Mining sector.

Safety is at the forefront of everything we do, and we live by our promise: The Safe Way is the Only Way. A career at Monadelphous is a career with a difference. Make it yours.