Key Responsibilities Network Operations Manage senior network support, including escalations and complex troubleshooting Ensure network reliability across diverse environments VoIP & Telephony Monitor VoIP systems (physical & virtual) using dashboards and alerts Conduct call quality investigations and performance optimisation Support provisioning, automation, and system maintenance Contribute to R&D initiatives (e.g., codec optimisation, system enhancements) Manage VPN technologies (e.g., WireGuard) Problem Management & Escalations Lead investigations into recurring issues and trends Support escalation overflow and high-priority incidents Step in to oversee Tier 1 operations when required Projects & Leadership Act as a key technical resource on large-scale projects Mentor and guide junior engineers Contribute to automation and infrastructure innovation initiatives Security & Networking Configure and manage next-gen firewalls and network security solutions Support large on-premises client environments (enterprise scale) Ticket Management Own and drive ticket resolution with a strong focus on SLAs and quality Technical Knowledge Strong experience in VoIP systems and troubleshooting Solid understanding of networking principles and infrastructure Experience with firewalls, VPNs, and network security Ability to handle escalations and complex technical investigations A proactive mindset with an interest in automation and optimisation Strong communication skills and ability to support/mentor junior team members Experience with Linux servers and Docker environments is a nice-to-have