Boeing’s Specialized United States (US) Infrastructure Operations Organization is currently seeking a Mid-Level Classified Linux System Administrator to join the team in Berkeley, MO or Hazelwood, MO. This position will install, operate, secure, and maintain dedicated Program Information Technology Infrastructure that is required to deliver products to our customers. This role directly supports our Air Dominance (AD) programs. You will be tasked with installing, operating, securing, and maintaining the dedicated Program Information Technology Infrastructure necessary for delivering products to our customers. We offer Enterprise capabilities within closed networks, encompassing standard office functions, application development stacks, engineering workflows, vulnerability remediation, and more.