About the ClientOur client is a high-profile Australian Government national security agency responsible for protecting Australia against global threats and supporting the nation's strategic interests.
Operating across intelligence, cyber security and highly specialised technical environments, the agency delivers mission-critical capabilities that contribute directly to Australia's security.This is an opportunity to join a highly skilled workforce delivering complex and meaningful ICT outcomes within one of Australia's most secure operating environments.About the RoleThe Lead ICT Security Engineer will deliver security engineering outcomes across complex ICT systems and projects supporting mission-critical capabilities.
Working under broad direction, you will provide specialist security expertise to ensure systems are securely designed, implemented and maintained in accordance with government security requirements.A key focus of the role will be achieving and maintaining Authority to Operate accreditations.
You will lead security assurance activities, conduct security risk and threat assessments, develop accreditation artefacts and provide trusted technical advice to project teams and senior stakeholders.Key responsibilities will include:Leading security engineering activities across complex ICT systems and projectsManaging security assurance activities required to achieve and maintain Authority to Operate accreditationDeveloping and maintaining System Security Plans,



Concepts of Operations and supporting security documentationPreparing security briefs and executive documentation to support senior-level decisions and approvalsReviewing systems against relevant security controls, policies and assurance requirementsIdentifying vulnerabilities, developing mitigation strategies and documenting residual security risksNegotiating with ICT engineers, cyber security specialists, project teams and accreditation authoritiesTranslating complex technical security requirements into practical, sustainable solutionsSupporting the secure delivery and ongoing management of existing and emerging ICT capabilitiesThe Successful CandidateThe successful candidate will be an experienced security engineering professional with a solid background delivering security outcomes across complex government, Defence, intelligence or enterprise ICT environments.You will bring a practical understanding of security accreditation processes, risk management and the implementation and assessment of security controls.
You will also be a confident communicator who can influence stakeholders, explain complex technical concepts clearly and prepare high-quality documentation for both technical audiences and senior executives.To be successful,



you will demonstrate:Experience leading security engineering activities for complex ICT systemsStrong knowledge of Authority to Operate accreditation and security assurance processesExperience conducting security risk assessments, threat assessments and vulnerability analysisThe ability to develop System Security Plans, Concepts of Operations, risk assessments, security briefs and executive approval documentationStrong stakeholder engagement, negotiation and influencing skillsThe ability to communicate complex security concepts to technical and non-technical audiencesExperience working within highly secure government, Defence or intelligence environmentsFormal qualifications such as IRAP Assessor Training, CISSP, CISM, SABSA, ISSEP or equivalent would be highly regarded.
Experience in security architecture, cloud security, DevSecOps or infrastructure accreditation would also be advantageous.Candidates must also be willing to undergo an Organisational Suitability Assessment (OSA) prior to engagement.Location:The role is based in Canberra ACT.Contract terms:12 months from commencement date, plus 2x 12 month extensionsExperience Level:Senior – EL1 EquivalentSecurity Requirements:Candidates must hold an active or reactivatable Top Secret Positive Vetting (TSPV) Security Clearance on submission.
Our client is not prepared to upgrade an existing clearance for this position.
An OSA (Organisational Suitability Assessment) will be required for this position.Applications open until8am 26 October ****.
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📌 Lead Ict Security Engineer (Canberra)
🏢 Whizdom
📍 Canberra