About Us
IAG Defence & National Security (DNS) is part of IAG, a specialist advisory firm supporting complex infrastructure, Defence and national security programs across Australia. Our DNS team works closely with Commonwealth agencies and industry partners to deliver specialist expertise into nationally significant programs. Our success depends on our ability to identify, engage and mobilise highly specialised talent quickly and effectively. IAG is recognised as a Veteran Friendly Employer under the Veteran Employment Program.
The Role
We are seeking experienced Senior Security Engineers /Vulnerability Assessors to support the protection and ongoing improvement of complex ICT and cyber security environments.
Working within a highly secure operational setting, you will identify, assess and prioritise security vulnerabilities, support threat-informed risk management activities and provide advice that strengthens security posture across enterprise systems. This opportunity is ideal for cyber
security professionals with strong experience in vulnerability assessment, security assurance and risk analysis who enjoy working on challenging and mission-critical systems.
Key Responsibilities
- Perform security risk assessments and business impact analysis across complex ICT environments.
- Identify, assess and prioritise vulnerabilities through security testing, analysis and assurance activities.
- Investigate suspected cyber security incidents and support incident response and remediation efforts.
- Evaluate security controls and identify opportunities to improve security architecture, compliance and resilience.
- Assess threat profiles across a range of systems, technologies and devices.
- Provide advice on physical, procedural and technical security controls protecting both digital and physical assets.
- Review solution and systems designs, identifying risks and recommending security improvements.
- Support security monitoring, compliance activities and assurance programs.
- Contribute to the development of security standards, policies and architecture guidance.
- Prepare technical reports, risk assessments and recommendations for stakeholders.
About You
- Demonstrated experience in cyber security, vulnerability assessment, security engineering or security assurance roles.
- Strong experience conducting compliance monitoring, controls testing and security assurance activities within enterprise environments.
- Experience supporting security audits, risk assessments and governance activities.
- Knowledge of threat intelligence, threat modelling and vulnerability management methodologies.
- Understanding of intrusion detection, security monitoring and analysis of anomalous behaviour across networks and systems.
- Experience investigating security incidents and contributing to effective incident management outcomes.
- Strong understanding of ICT systems, security architecture and secure systems design practices.
- Ability to assess technical risks and communicate findings clearly to both technical and non-technical stakeholders.
- Experience working within government, Defence or other highly regulated environments will be highly regarded.
- Relevant industry certifications or qualifications in cyber security, threat intelligence, security auditing or vulnerability assessment will be highly regarded.
Additional Information
- Commencement: September 2026.
- Location: ACT.
- Working arrangements are primarily onsite and subject to operational requirements.
- Candidates must hold a current TSPV security clearance.
- Australian Citizenship required.
What We Offer
With offices in Perth, Brisbane, Melbourne, Sydney and Canberra, we’re a tight-knit team working across some of Australia’s most critical Defence and national security programs. We value expertise,
collaboration and flexibility, providing our people with opportunities to contribute to meaningful and technically challenging projects.
We can offer great work, great people, great culture, great conditions, and an all-round great time whilst you continue building a rewarding career in the cyber security and national security sector. As part of IAG, you’ll be joining a team of more than 250 professionals.
All opportunities advertised by IAG Defence & National Security are subject to client approval, security validation and contractual confirmation. Employment or engagement will only be offered following successful client acceptance and completion of all required pre-engagement
checks and onboarding activities.
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