Senior Manager, Security Architecture

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About the role

At Anaplan, we are a team of innovators focused on optimizing business decision-making through our leading AI-infused scenario planning and analysis platform so our customers can outpace their competition and the market. What unites Anaplanners across teams and geographies is our collective commitment to our customers’ success and to our Winning Culture. Our customers rank among the who’s who in the Fortune 50. Coca-Cola, LinkedIn, Adobe, LVMH and Bayer are just a few of the 2,400+ global companies who rely on our best-in-class platform. Our Winning Culture is the engine that drives our teams of innovators. We champion diversity of thought and ideas, we behave like leaders regardless of title, we are committed to achieving ambitious goals, and we love celebrating our wins – big and small. Supported by operating principles of being strategy-led, values -based and disciplined in execution, you’ll be inspired, connected, developed and rewarded here. Everything that makes you unique is welcome; join us and let’s build what’s next - together! Role Summary: Anaplan is building a formal security architecture practice, and this role leads it. You will turn security architecture into a deliberate, reusable asset for the company: reference architectures, identity and authorisation patterns, cryptography standards, and AI guardrail designs that become the natural, low-friction path for engineering rather than a checkpoint to work around. This is a people-leadership role with deep technical scope, reporting to the Director of Product Security. As Anaplan's AI capabilities and enterprise footprint grow, consistent and well-reasoned architecture decisions matter more with every product that builds on them. You will own that surface, set the standards engineering builds against, and lead a senior team to make secure-by-design the default. Anaplan is not a simple SaaS application. The platform performs highly dimensional, enterprise-scale modelling with responsive recalculation and strong correctness expectations. The technical surface area includes the legacy Hyperblock engine, the newer Polaris engine, and a growing set of AI-powered products, including CoModeler for AI-assisted model building and CoPlanner for conversational, analyst-style planning support. AI is expanding both the capability and the attack surface of the platform, which raises the value of getting identity, authorisation, supply-chain integrity, and guardrails right by design. Security architecture has high leverage here because it sits close to engineering and platform decisions, and the team is small enough that a strong hire shapes the standards rather than inheriting them. Your Impact: • Lead the security architecture practice: define how architecture review works at Anaplan, what gets reviewed, when, by whom, and against which bar. • Own the reusable patterns: drive security reference architectures, identity and authorisation patterns, cryptography architecture, and AI guardrail design as living standards that engineering adopts by default. • Set security engineering principles: establish and maintain the standards that shape how the platform is built, and keep them legible and usable for engineers. • Review the highest-risk designs: lead architecture and design reviews for major platform and AI changes, early enough to influence them. • Partner with platform engineering: engage directly on the Hyperblock and Polaris surface and the AI product line so architecture reflects how the platform genuinely works. • Support compliance by design: ensure security architecture meets the demands of the enterprise and regulated environments Anaplan's customers operate in. • Codify decisions into policy-as-code: turn architecture decisions into enforceable, version-cont

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