Save Job Back to Search Job Description Summary Similar JobsJoin a leading global software companyWork for one of the strongest internal software engineering teams in the USAbout Our ClientThis organization is a global provider of AI-powered infrastructure software designed to develop, deploy, and manage high-impact business applications. This is a full-time hybrid position (2 days on-site) and a package in the $160k-$200k range is on offer for the right candidate.Job DescriptionSome of the responsibilities for the Principal Software Engineer will include:Own and architect this organization's identity, authentication, and authorization systemsDesign and evolve secure, scalable solutions supporting SAML, OAuth 2.0, OpenID Connect, JWT, MFA, and social loginLead and support enterprise SSO integrations with major identity providers (Okta, Azure AD / Entra ID, Ping, Google, etc.)Ensure high availability, performance, and operational resilience of identity services in a large-scale SaaS environmentDrive security best practices, including token lifecycle management, key rotation, secrets handling, and compliance alignment (SOC 2, ISO, etc.)MPI does not discriminate on the basis of race, color, religion, sex, sexual orientation, gender identity or expression, national origin, age, disability, veteran status, marital status, or based on an individual's status in any group or class protected by applicable federal, state or local law. MPI encourages applications from minorities, women, the disabled, protected veterans and all other qualified applicants.The Successful ApplicantThe successful Principal Software Engineer will ideally have:7+ years of professional software engineering experience with a strong focus on identity and authenticationDeep hands-on experience with SAML 2.0, OAuth 2.0, OpenID Connect, JWT, and modern authentication flowsProven experience building and operating SSO and identity platforms at scale in SaaS environmentsStrong backend development experience (e.g., C#, .NET and API design)Solid understanding of authentication security principles, threat models, and mitigationsExperience with cloud platforms (AWS, Azure, or GCP)Familiarity with CI/CD pipelinesWhat's on OfferIncluded in the compensation package:Excellent base salary ($150k-$180k)10% Annual Bonus Target2 days in office, 3 days remoteFull Benefits - Medical, Dental, Vision, Matching 401kFlexible vacation timeContactJoshua KerslakeQuote job refJN-042026-6990436Job summarySectorInformation TechnologySub SectorIT DevelopmentIndustryTechnology & TelecomsLocationRaleighContract TypePermanentConsultant nameJoshua KerslakeJob ReferenceJN-042026-6990436