Job Description: Parsons is looking for amazingly talented ESS Technicians to perform on-demand services, inventory tracking, streamlined projects, and preventive maintenance on ESS equipment including Physical Access Control Systems (PACS), Video Surveillance Systems (VSS), Intrusion Detection Systems (IDS) Intercoms, infrastructure, cabling, door hardware, power, security consoles, life safety devices, detention locks/controllers, and turnstiles at approximately 220 court and USMS facilities in the Southern region United States Marshals Service (USMS), which includes multiple districts across the Southern US. Performs nonroutine and occasionally heavy labor tasks related to onsite physical access control systems (PACS), Video Surveillance Systems (VSS), Intrusion Detection Systems (IDS) Intercoms, infrastructure, cabling, door hardware, power, security consoles, life safety devices, detention locks/controllers, and turnstiles.