Job descriptionContext We are supporting a major banking client in strengthening its security production team. The objective is to onboard a technical expert capable of operating, maintaining, and evolving critical authentication and identity systems in a highly secure and demanding environment. This role is focused on deep technical expertise in authentication mechanisms, identity infrastructure, and production reliability. Responsibilities Production / Run (Core of the role) - Ensure stability, performance, and availability of authentication and identity systems - Troubleshoot complex production incidents related to authentication flows and access mechanisms - Perform deep technical analysis (logs, protocols, certificates, system behavior) - Support critical systems in a high-availability environment Authentication & Security Infrastructure - Work on authentication mechanisms (SSO, certificates, tokens, federation, etc.) - Manage and troubleshoot identity-related components (LDAP, PKI, authentication services) - Maintain and optimize secure communication flows (TLS, certificates, encryption) Continuous Improvement - Identify weaknesses and propose improvements on authentication and access systems - Contribute to automation and operational efficiency (scripting, tooling) - Improve reliability and resilience of identity infrastructure Projects & Integration - Support integration of applications with authentication systems - Participate in evolution and modernization of identity and access platforms - Work closely with infrastructure, security, and application teams Required Skills (Core expectations) - Strong experience in production environments (L2/L3 support or equivalent) - Solid understanding of authentication mechanisms and identity systems - Good knowledge of cryptography fundamentals: - Certificates, PKI, TLS - Symmetric / asymmetric encryption - Strong UNIX / Linux skills - Scripting abilities (Shell mandatory, Python is a plus) Relevant Backgrounds (open profiles) We are open to candidates coming from different technical backgrounds, such as: - Identity & Access Management (IAM / SSO) - PKI / Certificate Management / Cryptography - Security Infrastructure / Authentication Systems - System Engineering with strong exposure to authentication and security - Cloud Identity (Azure AD, Okta, etc.) Nice-to-have - Experience with SSO protocols (SAML, OAuth2, OpenID Connect) - LDAP knowledge - Experience with IAM tools (SailPoint, ForgeRock, etc.) - Familiarity with Kerberos / SPNEGO - Automation tools (Ansible or similar) Profile - 4–8 years of experience in security, infrastructure, or identity-related roles - Strong troubleshooting and analytical mindset - Comfortable working in critical production environments - Curious, adaptable, and able to ramp up on new technologies quickly Working Conditions - Critical banking environment - On-call rotation possible - Hybrid setup (Montreal-based)