We are seeking a highly skilled HSM Engineer/Cryptography SME to join our Cyber Security function within a Tier 1 financial institution. This role is critical in ensuring the confidentiality, integrity, and availability of cryptographic services that underpin the bank''s most sensitive systems, including payments, authentication, cloud workloads, and data-at-rest protection. As the bank''s internal expert on Hardware Security Modules (HSMs), you will design, implement, operate, and improve cryptographic platforms and services that support enterprise-wide security controls. You will work closely with security architects, payments technology teams, cloud engineering, IAM, and application delivery teams to ensure secure key management practices and compliance with regulatory and audit requirements. Key Responsibilities HSM Engineering andamp; Operations Lead engineering, configuration, and life cycle management of enterprise HSM platforms (eg, Thales Luna, nCipher/nShield, PayShield, Utimaco, Entrust). Manage secure key creation, rotation, distribution, backup, and archival procedures in line with industry best practice and regulatory expectations. Oversee firmware upgrades, patching cycles, and platform resilience improvements. Operate and troubleshoot cryptographic hardware and associated services across on-prem and cloud environments. Support the design and implementation of HSM integrations with payment systems, authentication services, PKI, and internal business ..... full job details .....