Lead Cryptography Security Engineer

About the Client
Our client is a high-profile Australian Government organisation responsible for protecting Australia’s national interests against sophisticated global and cyber threats. Operating within a highly secure and technically complex environment, the organisation delivers critical intelligence, cyber security and security capabilities that support the Australian Government.
This is an opportunity to contribute to nationally significant work while collaborating with experienced cyber security, architecture, infrastructure, cloud and engineering professionals.
 
About the Role
The Lead Cryptographic Security Engineer will provide specialist technical leadership across the design, implementation, integration, assurance and operation of an enterprise-scale Key Management System capability.
Operating at SFIA Level 5, you will independently provide technical advice and support the delivery of resilient, compliant and secure cryptographic services across complex, multi-classified technology environments.
 
Key responsibilities will include:

• Designing, deploying and configuring enterprise key management infrastructure and cryptographic services
• Managing cryptographic key lifecycles, including generation, storage, rotation, archival, recovery and destruction
• Configuring and supporting Key Management Systems and Hardware Security Modules
• Integrating cryptographic capabilities with enterprise platforms, applications and infrastructure
• Implementing secure API-based integrations and encryption services across cloud, hybrid and on-premises environments
• Supporting Public Key Infrastructure, certificate management and machine identity services
• Conducting technical risk assessments, security assurance and cryptographic solution validation
• Identifying and remediating cryptographic vulnerabilities and security weaknesses
• Supporting security accreditation, compliance, audit and design assurance activities
• Developing engineering standards, operational procedures, runbooks and technical documentation
• Monitoring the availability, resilience and performance of enterprise cryptographic services
• Providing specialist advice to technical, operational, project and senior stakeholder groups

 
The Successful Candidate
The successful candidate will be an experienced security or cryptographic systems engineer with the ability to operate independently and provide authoritative specialist advice within complex, secure or classified ICT environments.
 
You will bring demonstrated experience in:

• Designing, implementing and supporting cryptographic solutions in complex enterprise or classified environments
• Applying contemporary cryptographic principles, protocols and standards
• Public Key Infrastructure design, management and lifecycle operations
• Enterprise Key Management Systems and Hardware Security Modules
• Secure communications, encryption technologies and key distribution mechanisms
• Cryptographic assurance, validation, threat modelling and risk assessment
• Security architecture and the integration of cryptographic controls
• Delivering security outcomes within Commonwealth, Defence, national security or similarly regulated environments
• Supporting system accreditation, certification, compliance or assurance activities
• Communicating complex cryptographic concepts to technical and non-technical stakeholders
• Managing competing priorities and delivering high-quality outcomes within agreed timeframes

 
Highly regarded experience and qualifications include:

• A degree in cyber security, computer science, information security, engineering, mathematics or a related discipline
• CISSP, CISM, CCSP or comparable industry certifications
• Cryptographic security, encryption, cloud security, KMS or HSM certifications
• Familiarity with the Information Security Manual, Protective Security Policy Framework and Essential Eight
• Experience with Secure-by-Design and Zero Trust principles
• Cloud cryptography experience across Azure, AWS or other government-approved platforms
• Exposure to quantum-resistant cryptography, transition planning or emerging cryptographic standards

 
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 2x 12 month extensions
Experience Level: Senior – EL1 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 06 October 2026.
Reach Damien on 0480 002 503 or damienm@whizdom.com.au for any further information