The position require a senior VOIP engineer able to work on the following activities with total authonomy:
· Design, upgrade, install and troubleshoots networking collaboration devices and software (CUCM/UNITY/UCCX/ISR/SBC) Special focus on SBC - Candidate has already built and upgraded a CUCM cluster from scratch, configured a full dial plan.
· You have already deployed Jabber over MRA and activated SSO authentication
· Very good Knowledge of SIP (troubleshooting header)
· Maintain the integrity of the telecommunications infrastructure hardware as needed to meet SLAs.
· Implement and monitor security policies & develops documentation standards and procedures.
· Provisions and supports existing telecommunications infrastructure in a Cisco Collaboration environment.
· Maintain and update documentation, execute firmware and patch deployment to voice devices.
· Review event logs, packet captures, etc. to review as needed to execute root cause analysis.
· Ability to work with Service Desk ticketing system in supporting trouble tickets. (Service Now)
· You will be doing everything from building/implementing and upgrading the Cisco Voice environment.
· Responsible for implementation and technical support of Cisco Unified Communications related technologies.
· Assist in the integration and/or migration of 3rd-party Private Branch Exchange (PBX) services.
· Provide technical diagnosis and troubleshooting.
· Excellent testing, troubleshooting and analytical skills to isolate problems and implement solutions.
· Extensive experience with implementation and ongoing support of Cisco UC applications in medium to enterprise deployments.
· Solid experience with voice gateways protocols: MGCP, SIP, H. 323, SCCP, digital PRI / E1, analogue FXO / FXS on Cisco *texto oculto*000 and legacy devices
· Engage and coordinate the assistance of Cisco's Technical Assistance Center (TAC) to resolve technical issues effectively and expeditiously.
Is required the following expertise:
· Strong organizational skills with the ability to multi-task
· 5 to 7 years' experience working in IT infrastructure environments.
· Team and collaborative working to develop and deliver appropriate solutions skills.
· Experience of delivering strategic priorities within strict timelines.
· Customer service-oriented skills.
· Knowledge of different VoIP protocols (SIP, H323, RTP, MGCP...)
· Experience on large voice infrastructure (mainly Cisco integrated with third parties)
· Large experience on voice troubleshooting (Translator X, Wireshark, RTMT....)
· Eager to learn.
· Analytical mind-set
· Ability to work well under pressure, ability to work autonomous and in team environment, following procedures.
· Good interpersonal and communication skills.
· Good time management skills and the ability to prioritize work