Job Description ECS is seeking a Principal Systems Engineer II (Unix/Linux) to work in our Pocatello, ID office. As a Principal Systems Engineer II (Unix/Linux), you will be responsible for the design, deployment, testing, certification, patching, and addressing interoperability issues of the base operating system and all support libraries, components, and application dependencies. Position requirements and duties of the Principal Systems Engineer II (Unix/Linux) : S erve as the advanced know