Staff Security Engineer (Top Secret Clearance Required)

Company Overview Orbis is a technology company that delivers sovereign intelligence and decision capabilities to the United States Government and its allies. We convert complex information and operational systems into decisive outcomes, giving public institutions and critical enterprises the tools to move faster, see clearer, and act first in an increasingly contested world. We are not a consulting firm and not a systems integrator. Every Orbis team is built around practitioners who have operated at the mission edge, and every engagement is judged on one thing: whether it produces working capability, not slide decks. Solutions forged from experience; that is how we build, and it is how we hire. Job Summary Orbis is seeking a Staff Security Engineer to drive the security and trust architecture across Catalyst, our secure multi-cluster service mesh platform. You will set the patterns other engineers follow for authentication, authorization, and tenant isolation. We are looking for someone who has built platform-wide security architecture and wants to set technical direction for a team building critical infrastructure. TRAVEL: International travel to Middle East and geopolitical hot zones, up to 25% per calendar year is required . Please apply only if you can meet this requirement. Key Responsibilities Define the architecture for Catalyst's authentication and authorization layer (e.g., OIDC, OAuth2, and SAML, RBAC, ABAC models) and help set the patterns other engineers build aga