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

Due to substantial growth within their business; our client, a leading Financial Services provider is seeking to recruit a Systems Engineer on a day rate contract basis.

The Role:

The Senior Systems Engineer will join our clients’ Authentication Controls team.
As a Senior Systems Engineer within an Enterprise Cybersecurity team, you will be part of the Authentication Controls group responsible for delivering secure and scalable Single Sign-On (SSO) and Multi-Factor Authentication (MFA) solutions across hundreds of internal applications. This is a hands-on engineering role focused on integrating, managing, and modernizing authentication controls in a fast-paced, distributed 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, applying protocols like SAML, OpenID Connect, and OAuth
Hands on experience of supporting Single Sign On (SSO) authentication standards, such as one or more of the following: SAML, OpenID Connect or OAuth.
Hands on experience of integrating applications with Single Sign On using one or more of these applications: PingFederate or Entra ID SSO.
Application Engagement: Collaborate with owners of 15+ applications to assess current authentication setups, define migration scope, enhance user experience, and guide secure design decisions
Authentication Protocols: Implement and troubleshoot authentication flows including client credentials, authorization code, and token-based access for APIs
Security Modernization: Advise on modern access control strategies, including MFA injection points, token lifecycle management, and serverless authentication scenarios
Testing & Validation: Conduct security testing, validate integration flows, and ensure compliance with internal standards
Operational Execution: Deliver repeatable, scalable solutions with minimal supervision, supporting app owners, resolving issues, and moving swiftly to the next integration

Key Requirements:

3+ years’ experience with SSO Integration & Support.

Full stack software development experience (front end and back end).

Experience with working on one or preferably more of the following: Python, C++, Java/J2EE.
Experience of working in a cloud environment such as Azure and / or AWS.

A cyber security certification, such as CISSP.PingFederate Expertise: Deep experience with PingFederate and PingAccess, including adaptor configuration, access token management, and client credential reviews
Protocol Knowledge: Strong understanding of SAML, OpenID Connect, OAuth, REST, and SOAP for API access and identity federation
Authentication Flows: Clear grasp of client authentication vs. credential flows, and how to handle authentication in serverless or script-based environments
MFA Implementation: Practical experience injecting MFA into authentication flows, understanding where and how it fits within multi-leg processes
Cloud & Directory Services: Experience with Microsoft Entra ID (Azure AD), Active Directory, and cloud platforms like Azure/AWS
Networking & OS: Solid foundation in TCP/IP, Windows/Linux systems, and network infrastructure
Development & DevOps: Familiarity with Python, Java, Git, CI/CD pipelines, and agile methodologies
Security Testing: Exposure to security testing frameworks and tools

Successful applicants will also require experience with:

Version Control tools like Git.
Continuous Integration/Continuous Deployment (CI/CD).
Agile methodologies.

If you can confidently demonstrate that you meet the criteria above, please contact us as soon as possible.

IMPORTANT: Where Agency assistance is required, our Talent Team will engage directly with suppliers. CVs / Profiles should not be shared directly with Hiring Managers. Unsolicited CVs / Profiles supplied to EY by Recruitment Agencies will not be accepted for this role.

FSO Consulting - Systems Engineer - Authentication Controls - Day rate contract - Dublin

Job Description