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