mariner-careers · United States
SECURITY ENGINEER (PRODUCT SECURITY & BUSINESS ENABLEMENT) ABOUT THE OPPORTUNITY Mariner is seeking a senior Security Engineer to join our dynamic Security Engineering & Architecture team. Reporting to the VP, Security Engineering & Architecture, you will serve as an embedded security partner to business, product, data, and technology teams. Your mission: empower innovation by translating business goals into practical, scalable security architecture and reusable design patterns that enable new capabilities—safely and efficiently. This role is highly collaborative and focused on breadth. You’ll engage with cross-functional teams while solutions are still evolving, embedding security from the start. You’ll secure Mariner’s modern business platforms—including SaaS services, custom applications, APIs, data flows, and AI capabilities—by providing clear guidance, designing pragmatic controls, and accelerating business outcomes without slowing down delivery. KEY RESPONSIBILITIES - Assess end-to-end architectures spanning SaaS platforms, internally developed applications, APIs, integrations, data services, and AI; identify trust boundaries, sensitive data flows, and failure modes - Facilitate architecture and threat reviews with delivery teams; document decisions and residual risk - Own and maintain a library of secure-by-design patterns for SaaS adoption, APIs, integrations, data movement, secrets, credentials, authorization, and AI-enabled workflows - Translate security requirements into practical designs that enable business outcomes—reducing reliance on late-stage reviews - Serve as a primary security partner for product, enterprise architecture, data, and technology teams, engaging early in roadmaps and design - Provide security expertise in vendor evaluations and SaaS selection in partnership with procurement and enterprise architecture - Collaborate with Security Platform Engineering to convert security requirements and approved patterns into automated guardrails and…
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