The Lead Open Source Engineer will take a leading role in the architecture of open-source projects, making recommendations on contributions, features, and bug fixes. They will contribute to Argo CD, Argo Rollouts, and other Octopus open-source initiatives, while coordinating community contributions through pull request reviews and participation in community meetings. This role also involves building the Argo roadmap, acting as a Developer Advocate by teaching others about GitOps, contributing to blog posts, presenting at conferences, and engaging with users. The engineer will consistently provide community value to become an Argo maintainer.