Full Description

Senior Cloud Cryptography & Automation Engineer

Platform Security Tribe – CISO Division – Euroclear

We are looking for an experienced engineer to design, automate, and operate Euroclear’s cryptographic and certificate management capabilities across a large-scale, mission-critical environment. You will play a key role in securing our hybrid infrastructure (Windows, Linux, Azure cloud-native services) by building resilient PKI, crypto services, and automation pipelines that scale.

Your role Design, implement, and automate cryptographic services, PKI infrastructures, and certificate lifecycle management across cloud and on-prem platforms. Build secure automation and Infrastructure-as-Code pipelines to support our internal PKI and crypto services. Partner with internal engineering teams to advise, design, and integrate cryptographic solutions aligned with Euroclear standards. Troubleshoot and resolve production issues related to cryptography and certificate services. Participate in a Watch Duty rotation (approx. 1 day/week) to ensure operational continuity of critical crypto systems. Mandatory Technical Skills Strong experience with Azure security services, especially Key Vault, HSM integration, and secret/key lifecycle management. High proficiency in Terraform, Ansible, and automated configuration/deployment workflows. Deep understanding of PKI, certificate management, and modern cryptography (X.509, elliptic curve, key exchange, signing & encryption standards).

Hands-on experience implementing or integrating cryptographic protocols: CMS, SCEP, ACME, SAML, TLS, etc. Proficiency in automation and scripting (Python required; PowerShell and Java are assets). Solid understanding of networking and security fundamentals. Experience debugging at system level on Windows/Linux (ETW, strace, tcpdump, wireshark, etc.).

Nice to Have Experience with large, regulated, mission-critical environments. Knowledge of cloud-native identity and access patterns beyond PKI. Contributions to security automation frameworks or internal tooling. Soft Skills Strong communication skills in English (C1+). Ability to collaborate effectively with engineering, architecture, and security teams. Proactive problem solver with a structured approach. High level of ownership and accountability. Ability to identify risks, propose solutions, and challenge the status quo. Bachelor’s Degree in Computer Science or equivalent experience.

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Why join us Embark on your new adventure at Euroclear, and work at the heart of the global capital markets. We connect over 2,000 financial institutions across the globe. As an open and resilient infrastructure, we contribute to the stability of the financial markets. We help clients cut through complexity, lower costs, and mitigate risks of financial transactions. At Euroclear, we have the clear ambition to use our key role to facilitate and accelerate a sustainable global financial system.