DDIL SME - Infrastructure Engineer/Architecture

This full-time, on-site role in Charleston, SC or the Washington, DC metro area requires an Active TS/SCI clearance with CI Polygraph eligibility. The position focuses on guiding strategy and architecture for secure mission services operating under constrained connectivity, addressing technical challenges of enforcing Zero Trust principles when continuous reachback is degraded or severed. The engineer will establish resilient Policy Enforcement Points and decentralized Policy Decision Points, architect edge-capable Identity, Credential, and Access Management solutions, and optimize cryptographic overhead across constrained tactical data links.