(IT) F5 & Network Security Specialist (Telecoms)

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Job Title

F5 & Network Security Specialist (Telecoms)

Location

London, United Kingdom (Hybrid: Three days onsite in London, two days from home)

Job Overview

We are seeking an experienced F5 and Network Security Specialist with telecoms experience to design, implement, and manage secure application delivery and network security solutions within a high-availability telecom environment. The role will focus on advanced configuration and support of application delivery controllers, load balancing platforms, and security technologies to ensure optimal performance, resilience, and protection of critical telecom services.

Required Skills & Experience

• Strong experience with F5 BIG-IP platforms in production environments.
• Hands‑on configuration of: F5 BIG-IP Local Traffic Manager (LTM), F5 BIG-IP Application Security Manager (ASM/WAF).
• Experience working within telecom or service provider networks.
• Solid understanding of TCP/IP, DNS, HTTP/HTTPS, load balancing algorithms, SSL/TLS encryption, and network security principles.
• Experience with Firewalls, WAF, and DDoS protection technologies.
• Strong troubleshooting skills within complex, high‑traffic environments.
• Experience with high‑availability and resilient network designs.

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