Lead Information Security Engineer (ISSO)

Lumen is seeking a Lead Information Security Engineer (ISSO) to serve as the primary security authority for assigned systems, ensuring successful Authorization to Operate (ATO) outcomes while helping customers prepare cryptographic environments for the emerging quantum threat landscape. This role involves driving the integration of quantum-resilient security principles into system authorizations, architectures, and operational processes. The position requires partnering with engineering, product, and customer stakeholders to evaluate cryptographic risk, assess emerging standards, and ensure security compliance across federal and highly regulated environments.