Systems Architecture and Integration
Genius is personal, decided by fate, but it expresses itself by means of system.
There is no work of art without system.

At Castelain, we believe that good architecture is an art forged from experience, creativity and a whole lot of knowledge.
Our track record
Castelain has designed and reviewed authentication and security architectures for government and private sector businesses across the Asia Pacific region. We are experts in providing well-structured, efficient and secure software systems that strike the right balance between customer requirements, capabilities and budget constraints.
Pragmatic advice, always
Castelain provides pragmatic advice on security standards and frameworks, industry trends and best fit solutions. We won't blind you with jargon, but will explain your options in terms that you can take away and explain to management and users alike.
Architecture and design services
- Security solution design - particularly authentication solutions both inside and outside the firewall
- Technical reviews on security products and systems - so you know what you need to do to keep bad guys out
- Usability reviews, analysis and design - because you should never lose site of who your system was built for
- Requirements analysis - getting it right, the first time, the way your stakeholders expect it
- Security policies and security plans
- Threat and risk assessments
- Disaster recovery and business continuity planning
- Use case modelling, component modelling, prototype development
Castelain offers a range or architecture and design services that provide real world solutions, addressing real needs.
Security accreditations
Our staff have strong track records in guiding customers through security accreditations, including for
- the Australian Government’s Gatekeeper PKI accreditations
- Defence Signals Directorate (DSD) and related accrediiations
- Identrus (banking sector) PKI accreditations
Our team hold SABSA Chartered Architect accreditations and are are well versed in various frameworks including Zachman, TOGAF, DODAF and Australian Government Architecture Reference Model (AGA) and a variety of modeling tools
Hands on experience - it makes a difference
We have hands on experience in defining test, UAT and production environments and managing deployment and operation in those arenas. Our staff are also usability experts with a deep understanding of what does or does not work in real world environments.