Coordinates OSC experts activity, in order to provide higher operational level support on IMS area.Manages and periodically syncro with vendors support.Contributor like expert in new VoLTE project implementation.Part for HLD/LLD improvement review.Broadwork integration in IMS.Technical coordinator for operational migration of IMS from BM to IAAS cloud.Design and manage integration set of tests, for new equipment/release acceptance.

* Provide technical expertise of IMS Applications and Core network elements ( SBC, CSCF, TAS, MGCF );* Provide deeply analyses of call flow and faulty management, based on SIP, ISUP, MEGACO, DIAMETER protocols;* Design and management of test suites, for validation of new services/releases in IMS &VoLTE networks;* Contributor for HLD/LLD preparation;* Coordinate with vendors for assistance to resolve specific platform faulty;

- L3 support for core IMS and MGCF/MGW platforms, parts from some geographical redundancynetworks;- upgrade IMS/NGN platforms by new software patches;- performing the network acceptance tests, for major release upgrade, implemented by provider;- raising and treating tickets to provider, for some equipment's issue;- integration and testing of new IMS services, especially for business customers (RCSe, IPPBX, SIP-ISUP interconnection, SIP adaptation).- PSTN transition to… Show more - L3 support for core IMS and MGCF/MGW platforms, parts from some geographical redundancynetworks;- upgrade IMS/NGN platforms by new software patches;- performing the network acceptance tests, for major release upgrade, implemented by provider;- raising and treating tickets to provider, for some equipment's issue;- integration and testing of new IMS services, especially for business customers (RCSe, IPPBX, SIP-ISUP interconnection, SIP adaptation).- PSTN transition to IMS specialist;- IPPBX integration in IMS network. Show less

O&M and technical support for :-28 TDM local exchange with SS7 signalling (with more than 1.500.000 subscribers);- 2 VoIP local exchange with SIP/MEGACO/SS7 signalling (about 200.000 subscribers);- 2 VoIP platforms based on OpenSER/Asterisk (about 5.000 subscribers);- 4 TDM transit exchange (that interconnect with almost all operators in Romania);

O&M for :- 1 local Alcatel TDM exchange;- 1 transit Alcatel TDM exchange;