Principal Enterprise Architect (Cryptographic Services)
Location
Canberra, ACT
Working Arrangement
Onsite | Full-Time | 5 Days Per Week
Clearance Required
NV1 Security Clearance required. NV2 highly regarded.
Company Overview
Our client, the Department of Foreign Affairs and Trade (DFAT), plays a critical role in advancing Australia's international interests and delivering secure, trusted services that support government operations worldwide.
Within DFAT's Information Management and Technology Division, the Cyber Security, Cloud and Networks Branch is responsible for delivering and operating key cyber security, identity and trust services that underpin departmental and business outcomes.
DFAT is seeking an experienced Principal Enterprise Architect to provide technical leadership across a major program focused on the assessment, enhancement and future evolution of enterprise cryptographic services.
Job Description
This is a rare opportunity to lead the strategic direction of critical cryptographic capabilities within a highly secure Federal Government environment.
Working across business, architecture, cyber security, engineering and operational teams, you will drive the design, governance and long-term sustainability of enterprise trust services, including Public Key Infrastructure (PKI), Hardware Security Modules (HSMs), certificate lifecycle management and key management capabilities.
The successful candidate will combine deep technical expertise with robust stakeholder engagement and governance experience, helping shape future-state architectures while ensuring security, resilience and operational effectiveness across the organisation.
Duties and Responsibilities
Lead the architecture, delivery and ongoing evolution of enterprise cryptographic services
Provide technical leadership across PKI, HSM, certificate management and key management capabilities
Develop future-state architectures, trust models and security design principles
Conduct capability assessments, gap analyses and roadmap development activities
Define and maintain governance frameworks, standards,



policies and operational procedures
Act as the senior technical authority for cryptographic and security architecture decisions
Lead solution architecture and detailed design activities across multiple initiatives
Identify and manage technical risks, dependencies and operational resilience requirements
Support engineering teams through design, implementation, testing and transition activities
Produce and maintain architectural artefacts, technical documentation and implementation guidance
Ensure alignment with government security frameworks, compliance obligations and industry best practice
Provide mentoring, knowledge transfer and capability uplift across technical teams
Engage and influence stakeholders across business, project, operational and executive environments
Education/Certifications Required
Relevant tertiary qualification in Information Technology, Cyber Security, Engineering or a related discipline
Industry certifications in enterprise architecture, cyber security or information security are highly desirable
SABSA, TOGAF, CISSP, CCSP, CISM or similar certifications will be highly regarded
Knowledge/Skills Required
Extensive experience in Enterprise Architecture, Security Architecture or Technical Leadership roles
Demonstrated expertise in Public Key Infrastructure (PKI) and cryptographic services
Experience with Hardware Security Modules (HSMs), certificate lifecycle management and key management solutions
Strong understanding of security governance, policy development and operational frameworks
Experience designing and implementing secure services within regulated or high-assurance environments




Proven ability to develop target-state architectures, operating models and technology roadmaps
Strong understanding of risk management, security controls and assurance practices
Experience applying Australian Government security frameworks, including the Information Security Manual (ISM)
Ability to translate business and security requirements into practical, supportable solutions
Experience supporting technology delivery, operational readiness and service transition activities
Excellent communication and stakeholder engagement skills
Strong leadership, mentoring and advisory capabilities
Highly Regarded
Australian Government or Defence experience
Gatekeeper PKI Framework experience
Enterprise PKI and Certificate Authority technologies
Identity and trust services
ePassport or high-assurance identity environments
Cryptographic key ceremonies and HSM-based key protection
Disaster recovery and cryptographic assurance programs
Post-quantum cryptography readiness assessments
Active NV2 Security Clearance
Employment Benefits
Opportunity to lead strategic cyber security and trust service initiatives
Influence the future direction of enterprise cryptographic services
Work on nationally significant systems within a highly secure environment
Engage with senior stakeholders across architecture, cyber security and technology teams
Long-term contract opportunity with extension options
Contribute to complex programs delivering real impact across government
Collaborate with highly skilled security, infrastructure and engineering professionals
Diversity and Inclusion
We are committed to fostering a diverse and inclusive workplace. We welcome applications from candidates of all backgrounds and experiences.
Veterans
Defence and Federal Government industry experience is highly desirable. We strongly encourage veterans and individuals with Defence experience to apply. Your unique skills and background are highly valued, and we are committed to supporting your transition into this role.
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📌 Principal Enterprise Architect - Cryptographic Services (Canberra)
🏢 Buscojobs
📍 Canberra