menlosecurity - Senior Engineer II, Chromium
Requirements
• 5+ years of experience in software engineering with strong C++ systems programming skills. • Strong networking fundamentals, including solid knowledge of HTTP security, web protocols and / or client-side security architecture. • Bachelor's degree or higher in Computer Science or a related field (or equivalent practical experience). • Experience across Chromium layers such as content, browser, core, compositor, skia, and networking (or equivalent large-scale, high-performance C++ systems experience). • Experience or strong interest in AI/LLM security / guardrails domains (e.g., Prompt Injection defense, Shadow AI detection, intent classification, context aware DLP/PII detection, and agentic workflows). • Experience building or integrating AI agents, Chrome DevTools Protocol (CDP), and MCP (Model Context Protocol) servers. • Experience with AWS, GCP, Terraform, Kubernetes, and Linux.
Responsibilities
• Design, build, and maintain Chromium-based browser components in C++, working across layers such as content, browser, core, compositor, skia, and networking, that power Menlo's security and AI-driven capabilities. • Architect and embed controls for detecting Prompt Injection (PI) and managing Shadow AI activity directly within browser execution and agent workflows. • Apply strong networking fundamentals and HTTP security expertise to harden Menlo's browser isolation, proxy/gateway intercepts, and network-facing infrastructure. • Partner with the MARS and AI teams to build and integrate AI agent capabilities and MCP (Model Context Protocol) servers into Menlo's security platform. • Use Python or Rust to build supporting tooling, detection microservices, and prototypes alongside core C++ systems work. • Deploy and operate the cloud infrastructure (AWS, GCP) and orchestration (Kubernetes, Terraform) needed to run agent/MCP and threat-detection workloads reliably. • Debug and optimize performance-critical, high-scale systems across the browser and supporting backend infrastructure. • Collaborate cross-functionally with product, security, and AI engineering teams to ship capabilities end-to-end. • Apply AI-assisted coding tools to accelerate development, testing, and code review as part of your daily workflow.
Benefits
• At Menlo, we don't settle for the status quo — in our technology or our culture. How we think and act is just as important as what we build. Our culture is defined by five core mindsets: Proactive Leadership, Straight Talk, United Impact, Elevated Talent, and Customer-Compelled. We take ownership and drive outcomes without waiting to be told. We communicate directly and seek hard truths. We break down silos and win together. We hold a high bar for ourselves and the people around us. And we treat every customer interaction as mission-critical. If you're someone who sees it, owns it, solves it, and does it — you'll thrive here.
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