Role Overview: Unison is seeking a Linux Middleware Systems Administrator to support Linux servers, middleware platforms, Talend services, SOA integrations, and database-connected applications in hosted SaaS environments. Trusted by over 200,000 federal employees and government contractors, our AI-infused software and deep domain expertise help contract shops, cost engineers, 1102s, program managers, and budgeting professionals cut through friction, keep compliance airtight, and sharpen decisions.