Similarweb (NYSE: SMWB) is a leading digital intelligence company that empowers businesses with trusted insights into online behavior, market trends, and competitive performance. By analyzing billions of digital interactions every day, Similarweb helps organizations make data-driven decisions and accelerate growth. Why is this role so important at Similarweb? As a Senior Cybersecurity Engineer reporting directly to the Chief Information Security Officer (CISO), you will play a key role within Similarweb’s security team. In this position you will drive impactful security initiatives that support the company’s business objectives, leveraging innovative technologies and practical solutions to strengthen our security posture while enabling the business to operate securely and efficiently. You will collaborate with cross-functional teams across the organization, including IT, R&D, Product, and other stakeholders, to ensure that security is embedded throughout our products, services, and operations. You will help identify and mitigate risks, implement effective security controls, and continuously enhance our security capabilities in a dynamic, fast-growing, technology-driven environment. Responsibilities Implement, manage, and continuously enhance security controls across cloud environments (AWS, GCP, Azure), endpoints, SaaS platforms, and applications. Administer, optimize, and maintain security technologies, including EDR/XDR, SIEM, CDR, CNAPP, DLP, IAM, SASE, MFA, network security solutions, and more. Take a leading role in securing Similarweb's adoption of Generative AI & LLM-based technologies, assessing risks, defining security controls, and establishing guardrails for AI agents, MCP-based integrations, and AI-powered applications across the organization. Design, implement, and automate security processes, workflows, and controls to improve operational efficiency, visibility, and risk reduction across the organization.