About the Company
As one of Australia's leading security companies, MSS Security is built on teamwork, respect, and integrity.
We provide long-term career paths, stability, and a workplace where your professionalism and dedication are genuinely valued.
To find out more visit our website at
Permanent Full-time role | Adelaide office based role with private parking
Competitive salary + Outstanding employee benefits!
Supportive work environment and great company culture
About the Company
As one of Australia's leading security companies, with a national footprint across Australia, MSS Security has unrivalled experience in delivering the highest quality of service & protecting some of the nation's highest profile sites.
To find out more visit our website at
Our employees enjoy working with MSS because we:
Have a high people and culture focus
Offer extensive development and progression opportunities
Provide stability and certainty in a role
Work collaboratively together and are high achievement focused
Because we know how to have fun whilst getting the job done
About the role
Reporting directly to our Commercial Manager, the position is primarily responsible for invoicing, accounts payable, payroll support and providing excellent customer service to all stakeholders.
Accounts Receivable




Reconcile and approve batch reports; ensure Rostering systems data accuracy
Manage client rates on system and support manual invoices, credit notes, and aged debt queries
Payroll
Coordinate payroll between State Operations and National Payroll teams; ensure timely fortnightly pay runs
Review pre-pay reports for accuracy and maintain compliance with Fair Work, NES, and payroll legislation
Accounts Payable
Manage invoice approvals and payments, resolving disputes and liaising with suppliers as needed
Update subcontractor hourly rates on the rostering system
Commercial Support
Provide backup support for Finance team and run reports, investigating variances
Drive process improvements via Excel macros
Skills & experience
Experience in payroll processing, accounts payable and accounts receivable
Knowledge of Fair Work, National Employment Standards (NES), ATO Guidelines
Knowledge in payroll systems and HRIS (WorkDay desirable), RTR
Intermediate to advanced skills in Microsoft Excel including use of macros
Strong attention to detail, time management, organisational skills and communication skills
Maintain confidentiality of sensitive information
Ability to work under pressure and meet strict deadlines
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📌 Finance Administrator (Adelaide)
🏢 jobr.pro
📍 Adelaide