Social network you want to login/join with:Job Title: Systems Engineer – Authentication Controls (Day Rate Contract)Location: DublinContract Type: Day Rate Contract (12–18 months)VISA Sponsorship: Not AvailableAbout the RoleOur client, a leading Financial Services provider, is experiencing significant growth and is seeking an experienced Senior Systems Engineer to join their Authentication Controls team. This is a hands-on contract role within an Enterprise Cybersecurity function, focused on delivering secure and scalable authentication solutions across a large and diverse application landscape.As a Senior Systems Engineer, you will play a key role in integrating, supporting, and modernising Single Sign-On (SSO) and Multi-Factor Authentication (MFA) capabilities, ensuring seamless and secure access for users across the business.Key Responsibilities*Integrate and support SSO for enterprise applications using PingFederate and Microsoft Entra ID, applying protocols such as SAML, OpenID Connect, and OAuth.*Collaborate with application owners (15+ applications) to assess existing authentication setups, define migration plans, and enhance security and user experience.*Implement and troubleshoot authentication flows, including client credentials, authorisation code, and token-based access for APIs.*Advise on modern access control strategies, including MFA injection, token lifecycle management, and serverless authentication scenarios.*Conduct security testing, validate integration flows, and ensure compliance with internal standards.*Deliver repeatable, scalable authentication solutions while supporting application owners and resolving issues promptly.Key Skills & Experience*PingFederate & PingAccess expertise, including adaptor configuration, token management, and credential reviews.*Strong knowledge of SAML, OpenID Connect, OAuth, REST, and SOAP for identity federation and API access.*Practical experience with MFA integration in authentication flows.*Experience with Microsoft Entra ID (Azure AD), Active Directory, and cloud environments such as Azure and AWS.*Solid grounding in Windows/Linux systems, networking (TCP/IP), and infrastructure.*Familiarity with Python, Java, Git, CI/CD pipelines, and Agile delivery.*Exposure to security testing frameworks and tools.Additional Requirements*Full-stack development experience (front end and back end).*Proficiency in one or more programming languages: Python, C++, Java/J2EE.*Cybersecurity certification such as CISSP is desirable.*Hands-on experience with Version Control (Git) and CI/CD pipelines.
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