root causes and implementing long-term solutions using tools such as Wireshark, SIP tracing and packet capture Supporting and maintaining mission-critical SIP/VoIP communications and digital connectivity services Managing firewalls, VPNs and network security controls to ensure secure, compliant and highly available infrastructure Monitoring network performance, capacity … telecommunications, managed services or another technically complex environment. Applicants should possess strong technical knowledge of IP networking technologies, including TCP/IP, SIP/VoIP, DNS, DHCP, VLANs, firewalls and cloud networking, alongside hands-on experience configuring and supporting enterprise networking infrastructure. Experience troubleshooting complex networking issues using diagnostic tools ...