Senior Security Architect

The role

You will perform hands-on architecture work by designing secure patterns for the Hyperblock, Polaris, and AI product surfaces. You will design identity and authorization, apply cryptography, and run threat models to ensure secure-by-design implementation.

What you will do

• Produce reference architectures and maintain security patterns
• Contribute to identity and authorization design
• Apply cryptography and key management
• Design AI guardrails including input and output controls
• Run threat models on high-risk systems
• Support external assessments and prepare architecture evidence
• Improve the supply chain and attack surface
• Write and review designs and prototypes
• Mentor engineers and contribute to standards

Required qualifications

• Solid experience in secure software architecture
• Depth in at least two of: cryptography and key management, identity and authorisation, tenant isolation, and threat modelling
• A working understanding of AI and ML security
• Ability to design and review real systems
• Record of influencing engineers without formal authority
• Experience with enterprise-scale SaaS or cloud-first systems
• Clear written and verbal communication

Nice to have

• Experience with Vault, KMS/HSM, or BYOK/HYOK designs
• Experience designing for regulated environments, such as FedRAMP
• Contributions to NIST, ISO, or OWASP, or talks and published research
• An offensive grounding that you use to pressure-test designs

About the company

Anaplan is a team of innovators focused on optimizing business decision-making through an AI-infused scenario planning and analysis platform. Their customers include global companies such as Coca-Cola, LinkedIn, Adobe, LVMH and Bayer.