MANTECH seeks a motivated, career and customer-oriented Information System Security Engineer (ISSE) to join our team in Chantilly, VA.Responsibilities include but are not limited to:Maintaining, updating, and configuring logging/auditing tools across Sponsornetworks and ensuring all network defense capabilities are kept current, patched, and securely configuredDesigning, testing, and integrating new security products as directed. Beta testing new capabilities when directed, and conducting softwa