Senior Systems Administrator – Cybersecurity & Network Operations (5088)

Three Saints Bay • Philadelphia, PA • Posted June 10, 2026

About the Role

**Senior Systems Administrator – Cybersecurity & Network Operations (5088)**

Location **Philadelphia, PA**

Job Code **5088**

# of Openings **1**

Apply Now (https://phg.tbe.taleo.net/phg01/ats/careers/v2/applyRequisition?org=GATEWAYVENT&cws=55&rid=5088)

**Ghostrock,** a subsidiary of Three Saints Bay, LLC, and a Federal Government Contractor industry leader, is seeking a **Senior Systems Administrator – Cybersecurity & Network Operations** . We are seeking a highly skilled Systems Administrator to support mission-critical IT and cybersecurity operations for Navy programs, including NSWCPD and NAVSEA SEA21.

**Position Responsibilities:**

+ Administer and secure enterprise-level IT systems and networks
+ Support development and deployment of tools for Navy programs
+ Monitor and maintain server infrastructure, including web and file servers
+ Implement cybersecurity protocols and ensure compliance with DoD standards