Location: Dublin 2
FS Technology Consulting – Systems Engineer – Authentication Controls – Day Rate Contract - Dublin
General Information:
Location:
Dublin
Available for VISA Sponsorship:
No
Business Area:
AI & Data Analytics
Contract Type:
Day Rate Contract
Our client, a leading Financial Services provider, is seeking a Senior Systems Engineer on a day rate contract basis due to substantial growth within their business.
The Role:
The Senior Systems Engineer will join the Authentication Controls team, delivering secure and scalable Single Sign-On (SSO) and Multi-Factor Authentication (MFA) solutions across hundreds of internal applications.
This hands-on engineering role focuses on integrating, managing, and modernizing authentication controls in a fast-paced environment.
This contract will run for 12-18 months.
Key Responsibilities:
Relevant experience with SSO Integration & Support.
Work with application owners to integrate and support SSO using PingFederate and Microsoft Entra ID.
Hands-on experience supporting Single Sign On (SSO) authentication standards, such as SAML, OpenID Connect, or OAuth.
Hands-on experience integrating applications with Single Sign On using PingFederate or Entra ID SSO.
Collaborate with application owners to assess current authentication setups, define migration scope, enhance user experience, and guide secure design decisions.
Implement and troubleshoot authentication flows, including client credentials, authorization code, and token-based access for APIs.
Advise on modern access control strategies, including MFA injection points, token lifecycle management, and serverless authentication scenarios.
Conduct security testing, validate integration flows, and ensure compliance with internal standards.
Deliver repeatable, scalable solutions with minimal supervision, supporting application owners, resolving issues, and moving swiftly to the next integration.
Key Requirements:
3+ years of experience with SSO Integration & Support.
Full-stack software development experience (front-end and back-end).
Experience working with Python, C++, Java/J2EE, or other relevant programming languages.
Experience working in a cloud environment such as Azure or AWS.
Cybersecurity certification, such as CISSP.
Deep experience with PingFederate and PingAccess, including adapter configuration, access token management, and client credential reviews.
Strong understanding of SAML, OpenID Connect, OAuth, REST, and SOAP for API access and identity federation.
Practical experience injecting MFA into authentication flows, understanding where and how it fits within multi-leg processes.
Experience with Microsoft Entra ID (Azure AD), Active Directory, and cloud platforms like Azure or AWS.
Solid foundation in TCP/IP, Windows/Linux systems, and network infrastructure.
Familiarity with Python, Java, Git, CI/CD pipelines, and agile methodologies.
Exposure to security testing frameworks and tools.
EY is an equal opportunities employer and welcomes applications from all qualified candidates.
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