Key responsibilities include: - Set the technical direction and own the architecture for account compromise detection, response, and remediation across Claude and the Claude Developer Platform - Independently scope and lead complex, multi-month engineering projects from ambiguous starting points to production systems - Build and evolve detection systems that identify account takeover, credential abuse, and compromised API keys in near real time - Design automated response flows that cut off attacker access while minimising disruption to legitimate users - Lead investigations into significant compromise incidents end to end, then translate findings into durable automated defenses - Threat model how attackers are likely to adapt, and prioritise the team’s work accordingly - Drive cross-organisational alignment on account security direction with Security, Product, Support, Policy and other partners - Define how the team measures success and

Key responsibilities include: - Set the technical direction and own the architecture for account compromise detection, response, and remediation across Claude and the Claude Developer Platform - Independently scope and lead complex, multi-month engineering projects from ambiguous starting points to production systems - Build and evolve detection systems that identify account takeover, credential abuse, and compromised API keys in near real time - Design automated response flows that cut off attacker access while minimising disruption to legitimate users - Lead investigations into significant compromise incidents end to end, then translate findings into durable automated defenses - Threat model how attackers are likely to adapt, and prioritise the team’s work accordingly - Drive cross-organisational alignment on account security direction with Security, Product, Support, Policy and other partners - Define how the team measures success and