Senior Detection and Response Engineer

Every day, tens of millions of people come to Roblox to explore, create, play, learn, and connect with friends in 3D immersive digital experiences– all created by our global community of developers and creators. At Roblox, we’re building the tools and platform that empower our community to bring any experience that they can imagine to life. Our vision is to reimagine the way people come together, from anywhere in the world, and on any device. We’re on a mission to connect a billion people with optimism and civility, and looking for amazing talent to help us get there. A career at Roblox means you’ll be working to shape the future of human interaction, solving unique technical challenges at scale, and helping to create safer, more civil shared experiences for everyone. About the role: As a Senior Security Engineer on the Detection and Response (D&R) team at Roblox, you’ll protect a community of hundreds of millions of monthly users alongside the underlying platform infrastructure. You’ll design high-fidelity detections, engineer security data platforms, and respond alongside the team during incidents. This is a hybrid in-office role in San Mateo. You Will: Deliver robust D&R capabilities: Engineer high-fidelity detections end-to-end from threat modeling through production quality alerts and actionable investigations, while keeping false positives low. Correlate and automate: Apply the right tool for the job (be it rules, statistical modeling, traditional ML, or LLM agentic workflows) to filter, triage, enrich, and auto-respond to security alerts when it meaningfully improves signal or speed. Build security data pipelines: Develop customized security data pipelines and actively contribute to internal software and data platforms, collaborating across engineering teams. Shape detections at the source: Author detections and onboard logs by partnering across teams to instrument their services, improve log schemas, and influence infrastructure roadmaps. Ensure service reliability: Participate in an on-call rotation to keep detection and response services healthy. Embody Security Culture: Serve as a trusted security partner across Roblox, helping protect our community and enterprise while fostering a culture grounded in trust, ownership, and shared responsibility. You Have: 5+ years of experience in Detection Engineering: A passion for building security data services and custom detection capabilities. Software development proficiency: You have built production services that are efficient, reliable, and scalable using programming languages like Golang or Python. You leveraged infrastructure as code tools like Terraform and query languages like SQL. Hands on with SIEM, EDR, NDR, and SOAR technologies: You have on-boarded logs in your sleep and built custom detections/automations for complex environments. Breadth across security domains: Practical experience securing corporate endpoints, cloud environments and on-prem containers with informed opinions on tradeoffs. Core security engineering skills: You prioritize risk, design compensating controls and drive incidents to fully mitigate root causes. You Are: Intellectually restless: You relish gathering data to inform decisions. You embrace new paradigms to tackle complex problems with creativity and speed. A collaborative builder: You are comfortable diving into other teams' codebases, submitting github PRs, and building scalable security solutions in shared codebases. Pragmatic: You balance open-source, commercial tools, and custom in-house builds to find the right fit for unique security challenges. For roles that are based at our headquarters in San Mateo, CA: The starting base pay for this position is as shown below. The actual base pay is dependent upon a variety of job-related factors such as professional background, training, work experience, location, business needs and market demand. Therefore, in some circumstances, the actual salary could fall outside of this expected range. This pay range is subject to change and may be modified in the future. All full-time employees are also eligible for equity compensation and for benefits as described on this page . Annual Salary Range $243,290 — $295,250 USD Roles that are based in an office are onsite Tuesday, Wednesday, and Thursday, with optional presence on Monday and Friday (unless otherwise noted). Roblox provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state or local laws. Roblox also provides reasonable accommodations to candidates with qualifying disabilities or religious beliefs during the recruiting process. For US based roles only, please note the Company may not be able to employ candidates for this role who have United States work authorization related to certain U.S. visa categories, or support future H-1B sponsorship at this time.

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