Email Security Architecture Manager

ABOUT DOPPEL Doppel is building the future of social engineering defense. Our AI-native platform uses agentic AI to protect executives, employees, customers, and brands from phishing, impersonation, fraud, and other AI-powered threats across digital channels. We help some of the world’s most recognized brands detect and dismantle attacker infrastructure while strengthening employee resilience through threat-informed training and simulation. By unifying Digital Risk Protection, Human Risk Management and Email Security, Doppel connects threats into a real-time intelligence graph to power faster disruption, smarter defense, and modern security awareness at scale. Backed by leading investors including Andreessen Horowitz and Bessemer Venture Partners, and trusted by leading enterprises, Doppel is a rapidly growing Series C startup building the future of social engineering defense. Our team combines deep cybersecurity expertise, operational rigor, and startup velocity to solve some of the internet’s most urgent trust and safety challenges. THE ROLE As the Manager, Email Security Architecture, you will lead a team of Email Security Architects responsible for customer onboarding, detection tuning, operational excellence, threat investigation, and strategic customer guidance. This is a highly cross-functional leadership role that sits at the intersection of security operations, customer success, solutions architecture, product, and engineering. You will help define how customers deploy and operationalize Doppel Email Security while serving as a critical feedback loop between the field and our product organization. You will be responsible for building scalable processes, developing team talent, driving customer outcomes, and helping shape the future direction of Doppel's Email Security platform. WHAT YOU'LL DO TEAM LEADERSHIP & OPERATIONS - Build, mentor, and lead a team of Email Security Architects. - Establish operational processes, performance standards, and best practices across the team. - Develop onboarding, enablement, and career development programs. - Manage team capacity, escalations, and customer coverage models. - Drive operational metrics around customer adoption, time-to-value, remediation outcomes, and customer satisfaction. - Build a high-performance culture focused on customer outcomes, operational excellence, and continuous improvement. CUSTOMER SECURITY LEADERSHIP - Serve as an executive escalation point for strategic customers. - Guide customers through Email Security deployments and operationalization. - Help customers improve their defenses against phishing, business email compromise (BEC), impersonation, account takeover, and other social engineering threats. - Lead security reviews, threat discussions, and executive-level customer presentations. - Partner with customer security, messaging, and IT teams to integrate Doppel into existing workflows. - Act as a trusted advisor to security leaders responsible for protecting their organizations from evolving email-borne threats. THREAT OPERATIONS & RESPONSE - Oversee investigations involving phishing campaigns, impersonation attacks, malicious infrastructure, and emerging threat activity. - Help define operational playbooks for investigation, remediation, and disruption. - Partner with internal enforcement and takedown teams to connect inbox threats with broader attacker infrastructure and disruption opportunities. - Drive continuous improvement of detection, investigation, and response workflows. - Help operationalize the connection between inbox threats and Doppel's broader threat intelligence and disruption capabilities. PRODUCT & ENGINEERING PARTNERSHIP - Act as the primary voice of customers and frontline operations for the Email Security product team. - Identify detection gaps, workflow friction, automation opportunities, and platform enhancements. - Partner closely with Product Management and Engineering to influence roadmap priorities. - Help define scalable o