Site Administrator

RSGx; Western Australia; On-site; AUD 70,000 - 100,000; Full time

Job summary

RSGx in Australia is seeking an experienced Site Administrator to support a major industrial construction project in Western Australia. This site-based FIFO role entails day-to-day project administration, workforce coordination, mobilisation support, reporting, and compliance processes, working closely with the Project Manager and site personnel.

You will manage timekeeping, rosters, leave, and personnel records, while coordinating mobilisation, travel, and accommodation.

Qualifications

• 2–4 years’ experience in a Project Administrator, Site Administrator, or similar role within construction, mining, oil & gas, or a major project environment.
• Strong organisational skills with a natural eye for detail and accuracy.
• Comfortable working in a busy environment, with the ability to manage competing priorities in a calm and methodical manner.
• Strong interpersonal and communication skills, with the ability to build effective relationships across all levels.
• High level of competency in the Microsoft Office Suite, particularly Excel, Word, and Outlook.
• Confident learning new systems and adapting to project-specific processes.
• Proactive attitude and a genuine drive to contribute to both project outcomes and personal development.
• Experience supporting FIFO workforce logistics is highly regarded

Responsibilities

• Provide day-to-day administrative support to the project team.
• Coordinate workforce administration activities including timekeeping, roster coordination, leave administration, and personnel record maintenance.
• Assist with mobilisation, demobilisation, travel, and accommodation coordination.
• Maintain project registers, workforce reports, and documentation to a high standard of accuracy.
• Support site compliance, onboarding documentation, and workforce administration processes.
• Liaise with internal teams, construction supervision, and site personnel to support smooth workforce coordination.
• Assist with monthly reporting and general project administration activities.
• Support timesheet and payroll-related inputs to ensure accurate processing.
• Contribute to continuous improvement of project administration processes and Systems.

Skills

Organisational skills

Attention to detail

Communication

Microsoft Office

Time management

FIFO logistics

Tools

Microsoft Office Suite

Excel

Job description

About Us

Resource Services Group (RSGx) is a leading provider of integrated Mechanical, Electrical, and Instrumentation (ME&I) solutions, delivering major projects across Oil & Gas, mining, and infrastructure in Australia and overseas.
We are currently seeking an experienced Site Administrator to support our growing project delivery team on a major industrial construction project in Western Australia.

About the Role

This is a site-based role working on a FIFO roster supporting day-to-day project
administration in a fast-paced construction environment.
Working closely with the Project Manager, you’ll play an important role in workforce coordination, mobilisation support, reporting, compliance administration, and general project support. You’ll be a central point of contact for employees and stakeholders, helping to ensure project administration processes are maintained efficiently and accurately.

Key Responsibilities

• Provide day-to-day administrative support to the project team.
• Coordinate workforce administration activities including timekeeping, roster coordination, leave administration, and personnel record maintenance.
• Assist with mobilisation, demobilisation, travel, and accommodation coordination.
• Maintain project registers, workforce reports, and documentation to a high standard of accuracy.
• Support site compliance, onboarding documentation, and workforce administration processes.
• Liaise with internal teams, construction supervision, and site personnel to support smooth workforce coordination.
• Assist with monthly reporting and general project administration activities.
• Support timesheet and payroll-related inputs to ensure accurate processing.
• Contribute to continuous improvement of project administration processes and Systems.

About you

• 2–4 years’ experience in a Project Administrator, Site Administrator, or similar role within construction, mining, oil & gas, or a major project environment.
• Strong organisational skills with a natural eye for detail and accuracy.
• Comfortable working in a busy environment, with the ability to manage competing priorities in a calm and methodical manner.
• Strong interpersonal and communication skills, with the ability to build effective relationships across all levels.
• High level of competency in the Microsoft Office Suite, particularly Excel, Word, and Outlook.
• Confident learning new systems and adapting to project-specific processes.
• Proactive attitude and a genuine drive to contribute to both project outcomes and personal development.
• Experience supporting FIFO workforce logistics is highly regarded