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.

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 an experienced, hands-on security practitioner, who will drive the adoption of modern security processes and tooling, with focus on supporting our detection and incident response capabilities. Develop processes, tooling and automation to scale incident management response and mitigate risks to the business Collaborate with other security functions, engineering, product, support,



business operations to identify appropriate detection use cases and automation Maintain security logging platform Handle information security events and incidents across the ClickHouse products and services Background in product security / red teaming / penetration testing / threat modeling, combined with incident detection and response experience AWS, GCP, Azure) Experience securing large-scale customer-facing cloud infrastructures preference for Golang and Python Bonus Points: BS, MS, or PhD in Computer Science or related field Previous contributions to open source projects Security or cloud related certifications (AWS, GCP, Azure) An individual's placement within the range will depend on various factors, including (but not limited to) education, qualifications, certifications, experience, skills, location, performance, and the needs of the business or organization.

Flexible work workplace - ClickHouse is a globally distributed company and remote-friendly. 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. ClickHouse provides equal employment opportunities to all employees and applicants and prohibits discrimination and harassment of any type based on factors such as 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.

📌 Security Engineer m/f/d (Calgary)
🏢 ClickHouse
📍 Calgary