Peraton is seeking an Information Systems Security Engineer (ISSE) to support our customer onsite in Washington D.C. Responsibilities include: Design, implement, and maintain enterprise security architectures aligned with NIST RMF, DoD STIGs, CIS benchmarks, and organizational cybersecurity policies. Experience administrating, configuring, and troubleshooting core modules such as Enterprise Password Vault (EPV), Password Vault Web Access (PVWA), Central Policy Manager (CPM), and Privileged Session Manager (PSM) in CyberArk.