Security Officer

2 weeks ago

Sydney, New South Wales, Australia MSS Security Full time $70,000 - $120,000 per year

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

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About the Role

MSS Security is seeking a confident and capable Security Officer to join our Defence operations at a secured base in the Illawarra region. This critical role involves protecting Defence personnel, assets, and infrastructure through proactive patrols, access control, and a strong on-site presence.

If you are someone who thrives in high-trust environments and takes pride in doing things the right way, this role is for you. You will be operating in a complex and sensitive setting where professionalism, discretion, and situational awareness are essential.

You are the kind of person who stays calm under pressure, pays attention to the finer details, and values consistency when it matters most. On a Defence site, those qualities are not just desirable, they are critical. Your presence, judgement, and integrity directly contribute to Australia's national security.

Key Duties

  • Access Control – Monitor entry and exit points to ensure only authorised personnel are permitted on site
  • Foot Patrols – Conduct regular patrols to maintain situational awareness and deter potential threats
  • Stakeholder Liaison – Build rapport with Defence personnel, contractors, and visitors while maintaining a strong security presence
  • Incident Response – React promptly and appropriately to alarms, emergencies, or suspicious behaviour
  • Compliance Monitoring – Ensure site protocols and Defence security procedures are followed at all times
  • Reporting & Documentation – Accurately record incidents, shift activities, and observations in line with site requirements

What you will need to be considered for the role -

  • Australian Citizenship – required for Defence security clearance eligibility
  • Current NSW Security License
  • Negative Vetting 1 Defence Clearance or willingness to obtain one
  • Excellent communication skills and confidence in engaging with Defence personnel and stakeholders
  • Ability to remain calm under pressure and make sound decisions
  • Strong integrity, accountability, and attention to detail

Veterans encouraged to apply.

Master Licence Number:

How to apply

MSS Security is an Equal Opportunity 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.

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