**MANTECH** seeks a motivated, career and customer-oriented **Senior Network Administrator** to join our team in **Guantanamo Bay, Cuba** .
**Responsibilities include but are not limited to:**
+ The Senior Network Administrator leads the design, implementation, and maintenance of complex network infrastructure across multiple security domains, including classified networks, ensuring high availability and robust security + They possess expert-level knowledge of advanced networking protocols, security best practices, and infrastructure technologies + They manage complex network infrastructure devices, implement and enforce network security policies, configure advanced access control lists (ACL), and leverage software-defined networking (SDN) solutions + They conduct advanced system troubleshooting, implement comprehensive backup and recovery strategies, and ensure the high availability and resilience of critical network services + They lead the developme...