• Collaborate with engineering and product on improving existing and building new product features with focus on threat modeling, assurance and secure implementation, some examples of recent work include implementation of secure key management, passwordless authentication, m2m authentication, sandboxing and compute/network/storage isolation • Identify security gaps and vulnerabilities in ClickHouse Cloud and OSS, triage a wide range of vulnerabilities reported via our bug bounty program, responsible disclosure, GitHub Issues covering web, API and server - client assets including low level memory issues like heap or buffer overflows • Improve and develop security assurance activities - pentests, vulnerability assessments, bug bounty programs, fuzzing • Drive implementation and usage of engineering security tools - static, dynamic code analysis, dependency checks, code licensing compliance (working knowledge of Snyk, Semgrep, GitHub CodeQL) • Nurture the engineering - security relationship, identify and implement process and technology improvements • Handle information security events and incidents across ClickHouse products and services • Develop processes, tooling and automation to scale security processes and mitigate risks to the business