Able to work fully onsite in the Amarillo, TX area, pass a federal background investigation and pre-employment and random drug testing, participate in medical monitoring, and, if assigned scope requires Materials Access Area entry, participate in the Human Reliability Program including a counterintelligence-scope polygraph pursuant to 10 CFR 709.PreferredPrior experience supporting DOE, NNSA, DoD, or other federal secure environments. Next-generation firewall depth on Palo Alto or Cisco ASA/FirePower platforms, including high availability configuration, SSL decryption, policy optimization, and IDS/IPS.Network access control experience with Cisco Identity Services Engine (ISE), including network access devices, authentication policies, identity groups, and endpoint compliance.