A Citizen CNC job involves operating and programming Citizen Swiss-style CNC machines, which are used for high-precision machining of small, complex parts. Responsibilities typically include setting up the machine, loading materials, adjusting tool offsets, and ensuring quality control. Operators must read blueprints, use precision measuring tools, and troubleshoot issues during production. These roles are common in industries like aerospace, medical devices, and automotive manufacturing. Experience with CNC programming and G-code is often required.