Interaction with airplane system suppliers, business partners, airline customers, airplane development program leaders, and functional management is typical, as is a high level of communication between the rest of the R&M Engineering internal organization, program teams, and functional design areas. Design for Reliability & Safety (airplane and system design reliability requirements validation & verification, reliability requirements allocation to suppliers, failure modes, rates, effects, propagation and detection analysis, architecture & operational provisions, safety & certification analysis, certification support, reliability & durability testing).