Want to work with MSS Security in Defence? Apply today

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

About the role:

Join one of Australia's leading security organisations and play a vital role in protecting critical Defence infrastructure across Western Sydney.

MSS Security is seeking professional and reliable Defence Security Relievers to support operations across four Defence sites: Glenbrook, Holsworthy, Richmond and Orchard Hills. This unique position offers the opportunity to work across multiple Defence environments, gain broad operational experience, and build a rewarding long-term career within the Defence sector.

Are you someone who thrives in high - trust environments and takes pride in doing things the right way?

You are professional, adaptable and committed to delivering high standards of security and customer service. You enjoy working in a team environment while also being confident working independently when required.

About you:

- Australian Citizenship- required for Defence security clearance eligibility

- A currentSecurity Licensevalid in NSW

- Baseline Defence Clearanceor must be willing to obtain a Baseline Clearance

- Excellentcommunication skillsand the ability to interact confidently with Defence personnel and site stakeholders

- The ability toremain calm under pressureand make sound decisions

- A strong sense ofintegrity,accountability, andattention to detail

Previous security experience is advantageous but not essential. We welcome applications from motivated individuals looking to build a long term career in the security industry.

Veterans encouraged to apply.

Master License Number:



408742075

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

About the role:

Join one of Australia's leading security organisations and play a vital role in protecting critical Defence infrastructure across Western Sydney.

MSS Security is seeking professional and reliable Defence Security Relievers to support operations across four Defence sites: Glenbrook, Holsworthy, Richmond and Orchard Hills. This unique position offers the opportunity to work across multiple Defence environments, gain broad operational experience, and build a rewarding long-term career within the Defence sector.

Are you someone who thrives in high - trust environments and takes pride in doing things the right way?

You are professional, adaptable and committed to delivering high standards of security and customer service. You enjoy working in a team setting while also being confident working independently when required.

About you:

- Australian Citizenship- required for Defence security clearance eligibility

- A currentSecurity Licensevalid in NSW

- Baseline Defence Clearanceor must be willing to obtain a Baseline Clearance

- Excellentcommunication skillsand the ability to interact confidently with Defence personnel and site stakeholders

- The ability toremain calm under pressureand make sound decisions

- A strong sense ofintegrity,accountability, andattention to detail

Previous security experience is advantageous but not essential. We welcome applications from motivated individuals looking to build a long term career in the security industry.

Veterans encouraged to apply.

Master License Number: 408742075

📌 Want to work with MSS Security in Defence? Apply today (Sydney)
🏢 Mss Security
📍 Sydney