New job posting
reference for job posting: https://docs.google.com/a/gitlab.com/document/d/1zX_fwzOC3yuJjWmd_lZ6CSFcdOxp6C1FT7Hq2mI57l0/edit#
Do not update/delete: Banner broadcast message test data
Do not update/delete: Notification broadcast message test data
reference for job posting: https://docs.google.com/a/gitlab.com/document/d/1zX_fwzOC3yuJjWmd_lZ6CSFcdOxp6C1FT7Hq2mI57l0/edit#