Xero is seeking a Principal Engineer to join their Identity & Auth Team, focusing on Identity, Authentication, and Authorization experiences. This key role will impact all Xero customers and engineering teams, supporting both external customer experiences and internal engineering platforms. The position offers an opportunity to shape the architectural vision for identity and authentication systems, guide domain teams' auth approaches, and ensure Xero maintains industry-standard security practices. The role combines technical leadership with mentoring responsibilities, requiring expertise in developing secure, scalable solutions and the ability to influence cross-team technical decisions. While identity and auth expertise is valuable, Xero welcomes candidates willing to rapidly develop these skills. The company offers comprehensive benefits, including generous leave, health support, and flexible working arrangements, making it an attractive opportunity for experienced technical leaders looking to make a significant impact in a growing enterprise SaaS company.