Roaming Testers needed- Junior up to Senior

Zürich  ‐ Vor Ort
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Beschreibung

They are responsible for the restoration of faults with the Roaming Services of MO/MT voice, SMS, Data and MMS for inbound and outbound customers and providing updates on incidents to relevant stakeholders within the UK, Operating companies overseas and Roaming partners.

As a Roaming Specialist your main responsibilities will include:
Investigate inbound & outbound roaming faults in order to restore service for the customer using the relevant traces of MAP, ISUP, MNP, SCCP and IP - approx. 100 tickets a month
Work closely with Roaming Partners, 3rd party suppliers and element owners within 2nd line
Provide clear, concise communications to the stakeholders above at all times
Raise work orders/change requests to implement roaming partners IR21 changes of NDC, IP and GT on the network
Ensure all work is carried out and documented in accordance with required standards, methods and procedures
Prioritise and schedule incoming incidents and requests
Facilitate the resolution of incidents and work within cross functional teams when necessary to drive problem resolution
Deliver reactive management, responding to support requests, typically via WOW, Remedy, e-mail and escalations.
Occasional out of hours work on a rota basis to manage major issues will be an element of this role.

As a Roaming Specialist your skills and qualifications will ideally include:
Good knowledge of 2G/3G/4G Inbound/Outbound Voice & Data Roaming call flows, International SMS, MMS & MNP and 2G/3G/4G, GRX, roaming service network architecture and service specific support tools (approx. 6)
Good knowledge of Camel
Knowledge of core switching network, including HLR's, MSC's, MGW's, SGW's, HLR
Knowledge of using network statistics, networks traces and drive trialling logs to analyse and improve network performance
Experience of IREG test cases and troubleshooting
Understanding of HLR profiles eg BOAC, BOIC, BOICEXHSC
Good knowledge of SS7 & Sigtran Protocols
Knowledge of EU Roaming Regulations beneficial
Experience of investigating roaming service issues & troubleshooting methodologies
Experience of using network statistics, networks traces and drive trialling logs to analyse and improve network performance
Strong communication (including presenting complex technical information in plain language) and decision making skills

Desired
HNC or higher in related discipline
Knowledge of SIP/RTP Protocols
Understanding/awareness of IMS networks
ITIL Foundation Certification

Start
keine Angabe
Von
Connect 44 UK
Eingestellt
08.11.2015
Projekt-ID:
1015720
Vertragsart
Freiberuflich
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