Cloud Security Engineer

Recognized on the 2025 Forbes Cloud 100 list, ClickHouse is one of the most innovative and fast-growing private cloud companies. With more than 4,000 customers and ARR that has grown over 250 percent year over year, ClickHouse leads the market in real-time analytics, data warehousing, observability, and AI workloads. The company’s sustained, accelerating momentum was recently validated by a $400M Series D financing round. Over the past three months, customers including Capital One, Lovable, Decagon, Polymarket, and Airwallex have adopted the platform or expanded existing deployments. These customers join an established base of AI innovators and global brands such as Meta, Cursor, Sony, and Tesla. We’re on a mission to transform how companies use data. Come be a part of our journey! The Security Team is responsible for providing key security capabilities covering application, cloud and enterprise security, incident response, detection and GRC. Our team is looking for experienced, hands-on security practitioners, who will drive the adoption of modern security processes and tooling, with focus on automation and backed up by data-driven decisions.

Responsibilities

Secure cloud infrastructure supporting the ClickHouse products and services (AWS, GCP and Azure); Collaborate with product and engineering teams to facilitate safe and secure use of public cloud infrastructure and resources; Develop and implement security systems (e.g. CSPM, infrastructure as code, secrets management) to secure and harden ClickHouse cloud infrastructure; Identify and respond to identified security issues, vulnerabilities, and incidents; Identify security gaps and vulnerabilities in ClickHouse assets; Develop processes, tooling and automation to scale security processes and mitigate risks to the business

Requirements

Strong knowledge of and experience with multiple cloud service providers (AWS, GCP, Azure); Experience securing large-scale customer-facing cloud infrastructures based on Kubernetes; Expertise in common cloud-based DevOps practices (e.g. CI/CD, infrastructure as code, secrets management); Development and automation experience

Nice to have

BS, MS, or PhD in Computer Science or related field; Previous contributions to open source projects; Security or cloud related certifications (AWS, GCP, Azure)

Benefits

Flexible work environment; Healthcare - Employer contributions towards your healthcare; Equity in the company - Every new team member who joins our company receives stock options; Time off - Flexible time off in the US, generous entitlement in other countries; A $500 Home office setup if you’re a remote employee; Global Gatherings – We believe in the power of in-person connection and offer opportunities to engage with colleagues at company-wide offsites