Linux Systems Administrator with TS/SCI Clearance

Set of X is hiring a Linux System Administrator to support our prime contract. This role requires TS/SCI clearance with polygraph, extensive RedHat/CentOS/UNIX experience, NiFi data flows familiarity, and virtualization handling (VMware ESXi, KVM). You will collaborate with current owners to understand systems, translate requirements into scalable, long‑term solutions, implement final architectures, and participate in strategy meetings while fostering strong customer relations.