Senior Single Sign On Engineer - (W2 Only)

Job Title: Senior Single Sign On Engineer Location – 100% remote (EST candidates only) Duration – 8-12 months (Temp to perm) Duties: • 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 • Oversees software system testing and validation procedures, and documentation. • Leads projects including preparing project plans, assigning tasks, monitoring statues, coordinating efforts, validating team recommendations, integrating efforts into a comprehensive strategy, and delivering results on time Skills: • 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 behavior, 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. Education: • Minimum of a Master's degree in Computer Science, MIS or related degree OR 8+ years of relevant experience in assigned area or combination or education, experience and training Skills and Experience: NOTES from hiring manager: • this contract role can be fully remote but they need to work core EST hours. Local for hybrid is always preferred. • looking for reverse engineering and troubleshooting in reference to authentication issues • Need to be able to remediate identity access issues • Need strong experience with SS technologies including SiteMinder and Ping, those two specifically • Role will last at least through end of Sept 2026, could move to other projects in future assuming performance and business value