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Senior VoIP / IP Telephony Engineer
Not specifiedNot specifiedSystems Integration
Lead complex VoIP and IP telephony projects end to end, from planning and architecture through implementation, testing, deployment, and ongoing operations. The role owns system stability, availability, and maintenance, and includes hands-on integration with existing network and telephony systems.
Responsibilities
- Lead VoIP/IP telephony projects from planning, requirements definition, and architecture through implementation, testing, deployment, and operations.
- Own end-to-end system stability, availability, and maintenance.
- Coordinate with suppliers, define technical requirements, and ensure quality and maintenance standards are met.
- Perform hands-on integration and deployment, connecting systems to existing network and VoIP infrastructure.
Requirements
- At least five years of hands-on experience installing, configuring, and maintaining VoIP/IP telephony systems, including PBXs, voice gateways, SBCs, and recording systems.
- Previous experience in a security-sector organization and a valid security clearance are required.
- Demonstrated experience leading implementation of complex IP telephony and VoIP systems, including contact-center systems.
- Experience with CTI integration between telephony and computing systems.
- In-depth knowledge of SIP and strong understanding of Ethernet, IP, TCP, UDP, DHCP, NTP, DNS, and HTTP.
- Experience with Oracle SBC.
- Experience with VMware, Docker, SQL, and Linux or Windows environments.
- Proficiency with Wireshark, Postman, or similar tools.
- Strong communication and interpersonal skills, leadership ability, teamwork, and self-directed learning.