2 Senior Security Engineer Vulnerability Assessors

About the Client
Our client is a highly regarded organisation within the national security and defence landscape, playing a critical role in protecting Australia from complex and evolving global threats. They operate at the forefront of cyber security, delivering intelligence-led capabilities, strengthening national resilience, and supporting government priorities through advanced technical expertise.
This is a rare opportunity to contribute to mission-critical work within a secure, high-performing environment where your expertise will directly impact national security outcomes.
About the Role
We are seeking experienced Senior Security Engineers specialising in Vulnerability Assessment to join a high-impact team based in Adelaide. In this role, you will be responsible for identifying, analysing, and prioritising vulnerabilities across complex ICT environments, ensuring robust security postures and risk mitigation strategies.
Key responsibilities include:

• Analysing threat profiles across a range of electronic systems and technologies
• Leading vulnerability assessments and contributing to penetration testing activities
• Identifying security weaknesses and recommending remediation strategies
• Conducting security risk and business impact assessments on complex systems
• Supporting incident response activities and investigating suspected cyber threats
• Evaluating and ensuring compliance with security controls and standards
• Providing expert advice on physical, procedural, and technical security practices
• Contributing to system design reviews, architecture decisions, and security frameworks
• Improving and maintaining operational security processes and methodologies

The Successful Candidate
To be successful in this role, you will demonstrate strong technical expertise in vulnerability assessment, threat modelling, and security testing, along with the ability to operate in highly secure and complex environments.
You will bring:

• Proven experience in vulnerability assessment, penetration testing, or cyber security engineering
• Strong understanding of threat intelligence, threat modelling, and risk assessment methodologies
• Experience conducting and supporting security audits and compliance activities
• Ability to analyse, interpret, and communicate complex security risks and findings
• Familiarity with security frameworks, standards, and best practices
• Strong stakeholder engagement and reporting skills

Highly regarded:

• Relevant industry certifications (e.g. CREST, CIISEC, SFIA-aligned experience)
• Experience working within Defence or national security environments

 
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 Adelaide SA.
Contract terms: 12 months from commencement date, plus 2x 12 month extensions
Experience Level: Senior – APS6 Equivalent
Security Requirements: Candidates must hold an active or reactivatable Top Secret Positive Vetting (TSPV) Security Clearance on submission. Our client is not looking to upgrade an existing clearance for this position. An OSA (Organisational Suitability Assessment) will be required for this position.
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 25 June 2026.
Reach Damien on 0480 002 503 or damienm@whizdom.com.au for any further information.