Host Based Security System Administrator (TS/SCI)
Location
Newport News, VA
Job Type
Full-time
Category
other-general
Posted
June 24, 2026
**Description**
Mission One: Land The Job. Mission Two: Outdo What's Next. Come #OutsmartOutdo at **Leidos** !
**Leidos** is seeking an experienced a TS/SCI cleared **Host-Based Security System (HBSS) Administrator** to support the management, configuration, and maintenance of endpoint security infrastructure across Department of Defense (DoD) and federal government networks. The ideal candidate brings hands-on experience with McAfee ePolicy Orchestrator (ePO) and the Trellix Security Platform Suite and operates comfortably within a compliance-driven environment governed by DoD standards. **The position requires to perform job duties onsite at Langley Air Force base, VA.**
**Roles and Responsibilities**
+ Manage, deploy, and maintain HBSS/Trellix endpoint protection technologies across enterprise networks to monitor, detect, and respond to security events.
+ Configure and fine-tune HBSS modules including Host Intrusion Prevention System (HIPS...
Mission One: Land The Job. Mission Two: Outdo What's Next. Come #OutsmartOutdo at **Leidos** !
**Leidos** is seeking an experienced a TS/SCI cleared **Host-Based Security System (HBSS) Administrator** to support the management, configuration, and maintenance of endpoint security infrastructure across Department of Defense (DoD) and federal government networks. The ideal candidate brings hands-on experience with McAfee ePolicy Orchestrator (ePO) and the Trellix Security Platform Suite and operates comfortably within a compliance-driven environment governed by DoD standards. **The position requires to perform job duties onsite at Langley Air Force base, VA.**
**Roles and Responsibilities**
+ Manage, deploy, and maintain HBSS/Trellix endpoint protection technologies across enterprise networks to monitor, detect, and respond to security events.
+ Configure and fine-tune HBSS modules including Host Intrusion Prevention System (HIPS...