Senior Security Engineer (Detection & Response)

About The Company:At Scribd Inc. (pronounced “scribbed”), our mission is to spark human curiosity. Join our team as we create a world of stories and knowledge, democratize the exchange of ideas and information, and empower collective expertise through our four products: Everand, Scribd, Slideshare, and Fable. This posting reflects an approved, open position within the organization.We support a culture where our employees can be real and be bold; where we debate and commit as we embrace plot twists; and where every employee is empowered to take action as we prioritize the customer.When it comes to workplace structure, we believe in balancing individual flexibility and community connections.  It’s through our flexible work benefit, Scribd Flex, that employees – in partnership with their manager – can choose the daily work-style that best suits their individual needs. A key tenet of Scribd Flex is our prioritization of intentional in-person moments to build collaboration, culture, and connection. For this reason, occasional in-person attendance is required for all Scribd Inc. employees, regardless of their location.So what are we looking for in new team members? Well, we hire for “GRIT”. The textbook definition of GRIT is demonstrating the intersection of passion and perseverance towards long term goals. At Scribd Inc., we are inspired by the potential that this can unlock, and ask each of our employees to pursue a GRIT-ty approach to their work. In a tactical sense, GRIT is also a handy acronym that outlines the standards we hold ourselves and each other to.  Here’s what that means for you: we’re looking for someone who showcases the ability to set and achieve Goals, achieve Results within their job responsibilities, contribute Innovative ideas and solutions, and positively influence the broader Team through collaboration and attitude.About the team and roleThe Infrastructure Security team at Scribd is responsible for protecting our applications, platforms, and users through proactive, engineering-led security practices. As Scribd continues to scale, we are evolving our Detection & Response capabilities from reactive alerting toward a time-based security model - where speed, signal quality, and resilience are first-class design goals.As a Senior Security Engineer focused on Detection & Response, you will help shape Scribd’s long-term detection and response capabilities while owning execution within a defined domain. You’ll work closely with application, infrastructure, and IT security teams - as well as our managed detection and response (MDR) partner - to design high-fidelity telemetry, operationalize our SIEM, and continuously reduce mean time to detect and respond (MTTD/MTTR).This role is ideal for someone who enjoys building durable security systems, translating incidents into engineering improvements, and gradually expanding ownership through demonstrated impact.What you’ll doWhen you join, you will:Design and operationalize detection capabilitiesOwn and evolve detection coverage across applications, APIs, cloud infrastructure, identity, and bot/abuse surfacesTranslate threat models and real incidents into high-confidence detection patternsPartner with engineers to instrument high-quality, security-relevant telemetry at the application and platform layersOperationalize and mature the SIEMLead enrichment, normalization, and correlation of logs into actionable security signalsDefine detection standards and patterns to reduce noise and improve signal qualityEnsure telemetry supports both internal investigations and MDR-led monitoringImprove response speed and qualityReduce MTTD and MTTR through improved triage, automation, and contextual alertingBuild and maintain runbooks, response workflows, and post-incident learning loopsPartner with IT Security and the MDR provider to continuously improve detection and response outcomesAdvance runtime and behavior-based protectionsHelp design and deploy runtime detection and protection te ... (truncated, view full listing at source)