Los Angeles, CA 90012 • (22.8 miles) • Full Time • 9/9/2025

ManTech seeks a motivated, career and customer-oriented Network System AdministratorIII to join our team in Los Angeles, CA.The primary function is working with Special Access Program (SAPs) and other classified networks supporting SMC Directorates and/or AFSPC Operational Units. The position will provide “day-to-day” support for Collateral, Sensitive Compartmented Information (SCI) and Special Access Program (SAP) activities.Responsibilities include but are not limited to:Install, maintain, audit and support a secure MS Windows network environment and limited web/data application service.Maintain internet applications and protocols IP, TCP, HTTP, HTTPS, FTP, & SSL.Maintain file servers, Firewalls, network access, Security Monitoring Systems and system documentation as required.Interface w