EKXEL - Telecom Engineer TOIP CISCO

You will be in charge of the deployment of traditional and public telephone technologies QSIG, routing plan, billing. You will manage the installation and implementation of IP telephony protocols and architecture (SIP, SCCP, RTP, SRTP ...), videoconferencing (H323, ISDN, SIP, GW, GK, MCU ...) ),

As part of the unification of the means of communication, you will also take care of the integration of fax services and solutions (MFD, RightFax, Fax over IP, T38), voice mail and mail (Unity, Exchange,. ..), call center, IVR and voice recording.

Internal and public mobile communication solutions will also be concerned, the connectivity and security aspects of unified communication tools (LDAP, AD, H350, XML, OCS, CUCM, CUPS ...), 

Among your various tasks you will take care in particular of the management of telephone and video proxies which also implies: cisco voice engineer

* Encryption of traffic (HTTPS, IPSec, GRE),

* Separation of network traffic (VLAN, VRF, MPLS, aggregation, etc.),

* Management of operations and service reports, mobility (Jabber, Presence Server)

* The design of high availability topologies on the Ethernet channel, groups of bridges or interfaces routed on the IP telephony domain.

* Support to operational teams during implementation

* Assisting the support team during troubleshooting and problem solving.

* Writing implementation roadmaps for the configuration phase

* Supporting the maintenance team during migrations and configurations 

University degree or equivalent of Bac +4 type in an ICT-related field with a minimum of 8 years of experience in the specific fields described in the aforementioned functions. 

* Extensive experience with Cisco Unified Communications Manager and Cisco Unified Survivable Remote Site Telephony Manager as well as Cisco Jabber

* Extensive experience with protocols related to AV communication sessions such as: H323, SID, MGCP, SCCP, etc.)

* Experience in analyzing RTP and ISDN protocols and reconstructing RTP streams for voice quality issues

* Good knowledge of Cisco Extension Mobility and more particularly of the Telisca SSO application

* Experience with SNMP, SYSLOG, Active Directory and Exchange Server

* Experience with VMWare and Wireshark (Ethereal) will be appreciated

* Very good spoken and written English is required. French would be considered a major asset.