Lead aerospace systems engineering and certification activities for complex, regulated systems. Develop system and component requirements, qualification plans, and compliance artifacts; support FAA conformity, airworthiness, certification audits, and coordination with DERs, ODA representatives, and FAA personnel. Apply ARP4754, DO-178, DO-254, DO-160, applicable CFR requirements, and MIL-STD practices. Collaborate cross-functionally with clients and engineering teams, with occasional customer-site travel.