Our client is a high‑profile Australian Government security organisation within the Defence portfolio, responsible for protecting Australia against evolving global threats. Operating at the forefront of cyber security, intelligence, and critical infrastructure protection, the organisation works closely with government and industry partners to strengthen Australia’s national resilience and security posture.
This is an opportunity to contribute to nationally significant work within a highly technical, mission‑driven environment, supporting the cyber security of Australia’s most critical systems.
About the Role
The Lead Cyber Security Specialist will play a pivotal role in assessing and improving the cyber resilience of Australia’s Critical Infrastructure. Operating at an EL1‑equivalent level, you will conduct independent, end‑to‑end cyber security assessments across complex Information Technology (IT) and Operational Technology (OT) environments.
The role involves evaluating the effectiveness of management, procedural, and technical security controls, identifying gaps, and providing clear, actionable advice to stakeholders. You will work closely with a wide variety of critical infrastructure entities, applying expert cyber security knowledge across diverse technical and operational contexts.
Key responsibilities include:
- Conducting cyber security assessments of complex IT and OT systems
- Assessing the effectiveness of security controls and control enhancements
- Producing high‑quality, actionable cyber security advice to uplift cyber resilience
- Verifying cyber security posture through technical tooling, documentation review, and stakeholder workshops
- Contributing to risk governance activities, including identifying security risks and mitigation strategies
The Successful Candidate
The successful candidate will be an experienced cyber security professional with a strong technical foundation and the ability to apply their expertise across a broad range of environments.
You will demonstrate:
- 3–5+ years’ experience in a cyber security role
- Strong knowledge of contemporary cyber security assessment, monitoring, detection, and remediation practices
- Broad understanding of operational technology environments and the unique cyber risks within critical infrastructure
- Sound knowledge of cyber threats, vulnerabilities, and security principles across legacy and modern systems
- Proven ability to engage and communicate effectively with stakeholders at all levels
- Experience preparing briefings, technical findings, and written assessment products
Candidates must also be willing to undergo an Organisational Suitability Assessment (OSA) prior to engagement.
Why partner with Whizdom?
We’re Whizdom. We view you as an extension of our strong, dependable brand and have differentiators which really are different! The Whizdom way:
- We pay our contractors same day you submit your timesheet!
- We are Level 3, DISP certified and have signed the Veteran Employment Commitment and been awarded the highest level of compliance to this important initiative, proactively assisting veterans transitioning from the forces to civilian roles. We’ve been lucky enough to win industry awards for our high level of process compliance and are ISO 9001 certified. Our commitment to reducing Greenhouse Gas Emissions has been accredited in line with large global organisations.
- We value diversity and welcome applications from Indigenous Australians, people from diverse cultural and linguistic backgrounds and people living with a disability.
Location: The role is based in Canberra ACT.
Contract terms: 12 months from commencement date, plus potential extensions
SFIA level required: The Specified Person will be expected to demonstrate attributes of SFIA Level of Responsibility 4.
Security Requirements: Candidate must hold an active Negative Vetting 2 (NV2) security clearance.
How to Apply: Please upload your resume to apply. Please note you will need to complete selection criteria to complete this application process. We will be in touch with instructions for suitably skilled candidates.
Candidates will need to be willing to undergo pre-employment screening checks which may include, ID and work rights, security clearance verification and any other client requested checks.
Applications open until 8am 03 February 2026.
Reach Damien on 0480 002 503 or damienm@whizdom.com.au for any further information.
