MANTECH seeks a motivated, career and customer-oriented Sr. Linux System Administrator to join our team in Laurel, MD. You will be part of a dedicated team delivering enterprise infrastructure capabilities for a global workforce that supports a wide range of national defense missions. This role directly supports the Enterprise Infrastructure Services (EIS) organization—the foundation of all Enterprise Information Technology (EIT) for MPO.

**Responsibilities include but are not limited to:**

+ Configure, manage and troubleshoot Linux and Windows operating systems. Installs/loads operating system software, troubleshoot and maintain integrity and configure network components along with implementing operating systems enhancements to improve reliability and performance.
+ Provides support for implementation, troubleshooting and maintenance of Information Technology (IT) systems.
+ Manage IT system infrastructure and any processes related to these systems.
+ Prov...