Lead Security Architect

Company: InstaDeep
Apply for the Lead Security Architect
Location: London
Job Description:

Overview

InstaDeep seeks a Lead Security Architect to define and evolve a reference security architecture across IT, cloud, data, product, and AI/ML domains. You will lead security architecture strategy, shaping Zero Trust, IAM, and trust boundaries to scale securely in an AI-first, cloud-first, regulated environment. You’ll work with IT, Product, Legal, and Governance stakeholders to translate principles into practical, scalable patterns. This role offers impact across enterprise security, data protection, and AI/ML workflows, helping the company grow with resilience and trust.

Responsibilities

  • Own and evolve the company’s reference security architecture across enterprise IT, cloud, data, and product environments
  • Define architecture principles and patterns for Zero Trust, identity, authorization, trust boundaries, segmentation, and secure integration
  • Set strategic direction for enterprise, cloud, and data security architecture
  • Define target-state architecture for IAM, reverse proxy, secure access, and cloud-native controls
  • Lead secure integration standards between IT and product environments
  • Partner with IT Security Engineering on IAM, endpoint, VPN, reverse proxy, and access-tool integration
  • Define security architecture for AI/ML workflows, data platforms, and ML pipelines; establish AI/ML trust-boundary models
  • Shape data governance, ML pipeline trust boundaries, and model/data protection patterns
  • Lead architecture review governance, threat modeling, and secure design reviews
  • Translate architecture language for governance and business stakeholders; coach architects and engineers

Key requirements

  • 5+ years in enterprise and cloud security architecture
  • 5+ years in identity, access, and network trust design
  • 3+ years facilitating threat modeling and secure design reviews
  • Experience defining architecture standards and translating principles into practical patterns
  • Experience across enterprise IT, cloud, infrastructure, and product environments
  • Experience engaging with senior stakeholders across technical and non-technical functions
  • Executive/stakeholder communication
  • Coaching and influencing senior engineers
  • Systems thinking
  • Enterprise and cloud-scale security architecture
  • Zero Trust and IAM design
  • Secure integration and trust-boundary design

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Posted: October 1st, 2026