VOIP Engineer από την AMD Telecom στη Θεσσαλονίκη

[afotakel]

The Voice Over Internet Protocol (VoIP) Engineer will be responsible for designing, analyzing and implementing projects with the Voice Carrier infrastructure. The VoIP Engineer will work closely with the operations and engineering teams to deploy our SIP-based telephony solutions to a multitude of vertical markets. The position requires working with both hardware (in our data centers) and software to provide a Carrier Grade Voice cloud-based solution while interoperating with customer requirements.

Responsibilities:

                              The VoIP Engineer will work with internal and external NOC staffs to identify and mitigate escalated (tier 3) call completion issues

                              The VoIP Engineer will work individually and in a team environment with operations and engineering to drive new initiatives and complete existing projects for VoIP PBX offerings

                              Supports the existing network infrastructure and its need for security, stability and effective use of existing and future technology

                              Provides documentation and planning for all VoIP and infrastructure work

                              Delivers new projects using strong interpersonal, written and oral communications skills

                              Conducts research into networking issues and products as required

                              Ensures the stability, integrity, source control, change control and schedule for both existing and new products

                              Works with operations to resolve any ongoing implementation issues related to gateways and existing legacy systems.

SKILLS & KNOWLEDGE

VoIP Engineer Must have experience with: • SIP (OpenSIPS or FreeSWITCH)? • Asterisk PBX • 3-5 years with VoIP • ?3-5 years supporting SIP G.711 in large / enterprise scale production • environments? including clustering and load balancing techniques for VoIP • 3-5 years with Unix Linux networking • Strong engineering and operational experience in service provider networks • In-depth understanding of SIP, RTP and RTCP interworking • Experience configuring and maintaining Open Source SIP Server Software including patching, upgrades, logs, debugs and traces (OpenSIPS or FreeSWITCH) • In-depth understanding of Open Source PBX features, configuration, deployment and support • Understanding of network server policies, routing network elements and collocation modeling • Ability to perform SIP debugs, capture and analyze SIP and RTP to isolate and resolve issues • Understanding of MOS Score, Jitter, Delay, Echo, Gaps, and how to troubleshoot these occurrences • Hands-on experience configuring routers and switches to maximize SIP / RTP pass through • Experience working directly with carriers and trunk providers • In-depth understanding of switching for a telephony standpoint into the PSTN • Must possess strong organizational, verbal, written and documentation skills • In-depth understanding of legacy telephony and legacy PBX interworking • Experience with IP PBX Trunking?MediaGateways in NAT Environments

The company offers: Monthly salary upon qualifications, Friendly and challenging working environment, Opportunities for further growth and development, remuneration package.

Notice: All applications are considered as strictly confidential.

 

               After the screening of the CVs, we will contact only the candidates who meet the profile’s requirements to arrange an interview. Please send curriculum vitae in: [email protected]