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Infrastructure Security Engineer

Blockchain.com - London

Posted Apr 8, 2026

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About this role

Infrastructure Security Engineer London Blockchain is connecting the world to the future of finance. As the most trusted and fastest-growing global crypto company, it helps millions of people worldwide safely access cryptocurrency. Since its inception in 2011, Blockchain has earned the trust of over 90 million wallet holders and more than 40 million verified users, facilitating over $1 trillion in crypto transactions. We are looking for a Senior Infrastructure Security Engineer with a proven track record in keeping systems safe. You will play a critical role in building and providing tooling that monitors our entire stack, from supporting our consumer-facing products and our institutional offerings to ensuring that we are capable of rapidly responding to cyber attacks on our colleagues and endpoints. Throughout our company, Security is a well-established mindset that leverages novel engineering approaches - as a Senior Infrastructure Security Engineer, you will lead by example and drive technical discussions with engineering teams and influence the overall architecture of our platform. Our day-to-day work is interesting and dynamic, driven by a focus on proactive threat actor identification and in-depth investigation of security issues. These practices are key to ensuring strong product security and fostering continuous, iterative improvement. WHAT YOU WILL DO: - Design, build, and implement security controls, automation, and processes across product, platform, and infrastructure environments. - Identify operational and technical security gaps, propose solutions, and drive engineering initiatives to close them. - Collaborate with the SRE and engineering teams to integrate security into CI/CD pipelines, deployment workflows,

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