Intraorganizational employee navigation (IEN) is conceptualized as a means of better understanding how the organizational actor proactively works across their firm's internal environment in the execution of their jobs. Navigation is argued to be a precursor to the employee's overall performance through a class of mediating variables labeled “socially derived outcomes,” which are variables inside the organization that are bestowed upon the employee as a result of them first engaging in proactive behavior (e.g., IEN). Two studies are reported. Study I sees IEN psychometrically validated versus a range of existing proactive behaviors and individual traits (discriminant, nomological, and criterion-related validity) with a heterogeneous sample of 704 employees. Study II then tests a model relating IEN to performance through six mediating “socially derived outcomes” by leveraging data from 2 Fortune 500 firms. The results of Study II show that IEN significantly impacts multiple measures of the employee's overall performance through mediating effects brought about by key socially derived outcomes, such as the employee's “manager alignment.” The contributions, broader implications, and limitations of the research are then put into context.