Position Information
Ref #
Region
Mackay, QLD
Classification
Professionals
Date Posted
28-Jan-2026
Description & Requirements
Monadelphous is currently seeking an experienced Office Administrator to join our Mackay Operations Team.
This is a local role which will see you working in the office Monday – Friday.
Working with Monadelphous offers many benefits, some of which include:
* Permanent full-time position
* Office based role
* Be home every night while living and working locally.
* Opportunity for growth and career development
Key responsibilities include:
* Managing weekly Invoicing & Client Claims
* Procurement - Raising & Managing Purchase Orders
* Credit card reconciliation
* Preparation of daily timesheet entry and weekly payroll for up to 40+ employees
* Provide high quality administrative support to the site manager and operations project team
* Travel bookings as required
* General office support duties
What you will bring
* Minimum 2 years' experience in an office administration role preferred
* Site/Project based administrative experience highly regarded
* Confident and capable user of MS Office Suite
* Willingness to learn new systems and processes
* Strong communication skills with all levels of the organisation
* Strong attention to detail, analytical and problem-solving skills
* A focus on providing outstanding customer service.
* Work cooperatively with others to accomplish project/site goals
* A positive attitude and dedication to ongoing professional development
* Proof of right to work in Australia.
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. Apply now to get started. A career at Monadelphous is a career with a difference. Make it yours.