Single Sign On Engineer

Job Title: Senior Single Sign On Engineer • Requires to work on W2 Only, for US Citizen, Green Card Holders • Responsibilities: • Works primarily within SSO/User Authentication and must possess advanced background and experience in this domain. • Supports other IAM technologies as necessary. • Supports a high visibility project as primary function. Project involves highly complex authentication architecture. • Analyzes system requirements, including identifying interactions and appropriate interfaces between affected components and sub systems. • Proactively plans capacity of platforms and applications. • Participates in software system testing and validation procedures, programming and documentation. • May participate in projects including preparing project plans, assigning tasks, monitoring statuses, coordinating efforts, validating team recommendations, integrating efforts into a comprehensive strategy and delivering results on time. • Writes and/or reviews system specifications, including output requirements, flow charts and technical diagrams. Required Experience: • Incumbents may be required to work a non-traditional schedule Advanced Knowledge and hands-on experience with single sign on technologies such as CA Siteminder and Ping Identity Expert in authentication protocols (SAML, OAuth2, OIDC) with deep experience analyzing tokens, assertions, and traffic flows across IdPs, SPs, and browser sessions using tools like Fiddler, SAML Tracer. • Skilled in end-to-end SSO issue diagnosis across hybrid architectures — correlating logs, certificates, headers, and conditional access policies — with a strong grasp of session behaviour, federation trust, and MFA impact. • Security best practices for Windows-based and Linux-based systems including authentication principles and components. • Microsoft Active Directory architecture. • System monitoring and event analysis. • Windows Server and Workstation Operating Systems.