Human Resource Dimension is the Best Recruiting Process Outsourcing In Atlanta. Recruiting Process Outsourcing (RPO) is a form of business process outsourcing where an organization outsources all or part of its recruitment process to an external service provider. RPO providers are responsible for sourcing, screening, and hiring candidates for the organization's open positions. The RPO provider may handle all aspects of the recruitment process, including the job posting, candidate sourcing and screening, interviewing, reference checking, and offer negotiation. Alternatively, the organization may choose to outsource only certain aspects of the process, such as candidate sourcing or screening.