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 atwww.msssecurity.com.au.
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.
You will be part of an enthusiastic, committed and customer focused team.
Duties include but are not limited to:
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 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
How to apply
MSS Security is an Equal Prospect Employer, valuing the unique backgrounds, experiences, and contributions of each person We encourage and celebrate diversity.
We are proud to:
be certified by the Workplace Gender Equality Agency,
be a partner and supporter of Veterans employment and honoured to have an endorsed INNOVATE Reconciliation Action Plan.
Click APPLY to complete your application and you will be prompted to answer a few simple questions and upload your CV.
Thanks for taking the time to consider MSS as a future employer and we look forward to hearing from you.

📌 Finance Administrator (Adelaide)
🏢 Mss Security
📍 Adelaide