the stability and scalability of communication systems used by clients and internal teams. Key Responsibilities: VoIP Platform Engineering: Develop, operate, and support VoIP systems including SIP proxies (Kamailio/OpenSIPS), Asterisk PBX, and VoIP gateways. Design, build, test, and deploy telephony solutions including IP PBX, EPABX, and related infrastructure. Implement and enhance functionalities using Asterisk AGI, AMI, ARI interfaces. Collaborate … firewall technologies related to VoIP. Experience with Linux system administration and tools such as yum, apt, systemd, and Bash scripting. Familiarity with MySQL and MongoDB database systems. Knowledge of OpenSIPS, Kamailio, and other SIP proxies . Ability to write and maintain scripts in Perl, PHP, Python, and Bash. Understanding of call flow, SIP trace analysis, RTP streams , and protocol troubleshooting. More ❯
management. Implementing and administering network infrastructure including LAN, WAN (MPLS), SIP and Firewalls in a Cisco environment. Experience of F5 Load balancers. Implementing and administering telecoms infrastructure including Asterisk, openSIPS and Avaya CM. More ❯
Desirable Implementing and administering network infrastructure including LAN, WAN (MPLS), SIP and Firewalls in a Cisco environment. Experience of F5 Load balancers. Implementing and administering telecoms infrastructure including Asterisk, openSIPS and Avaya CM. More ❯
Desirable Implementing and administering network infrastructure including LAN, WAN (MPLS), SIP, and Firewalls in a Cisco environment. Experience of F5 Load balancers. Implementing and administering telecoms infrastructure including Asterisk, openSIPS, and Avaya CM. Education Requirements A-Level or Equivalent Degree Desirable Experience Requirements 4+ Years IT Support Experience Industry Financial Service Job Location Leeds Qualifications MCP Desired Responsibilities See Above More ❯
