T2 Mobile is the new brand identity for the Nigerian telecommunications company previously known as 9mobile
Job Summary
Perform value-added Service end-to-end troubleshooting, conduct VAS health checks, and carry out end-to-end KPI analysis and Performance optimization
Ensure the implementation, maintenance and operations of VAS nodes and effectively monitor all data-related links
Roles and Responsibilities
Liaise with vendors to commission, integrate and perform system acceptance testing (SAT) for VAS elements on EMTS’s network.
Troubleshoot circuit switching VAS network nodes such as Voicemail, USSD, IVR, CRBT, SMSC, IPCC, SCG, etc, as required to prevent, isolate, and resolve network faults.
Ensure adherence to a proactive maintenance cycle on all VAS circuit switching systems
Review recommendations of the internal audit function relating to both CS and PS VAS system policies, standards, guidelines and operations and take action as required.
VAS Systems and Services’ diagnosis and resolution of issues to ensure MTTR and other service availability KPIs are met
Development, configuration, and integration of all VAS solutions/systems in line with the Digital strategy execution plan
Technical reviews to implement solutions and workarounds for faults/incidents
Properly escalate and document unresolved service or system issues to appropriate internal or external teams and follow up to ensure they are satisfactorily closed within SLA
Timely delivery of projects assigned with the goal of ensuring high-quality standards are met and solutions are operationally viable.
Collaborate with both Technical and Business teams to ensure seamless deployment of products
Proactively manage capacity and ensure VAS systems operate below 70% utilization
Mobilizes smooth operation of VAS nodes; testing and integration of new NE with the existing network.
Takes care of all VAS related servers including their connectivity with all the other nodes
Supervise maintenance of all VAS services i.e., nodes (SMSC, USSD, IVR, CRBTs, etc) in the network.
Education and Experience
First Degree in Electrical / Electronic or Computer Engineering.
5 years of experience in the telecommunication sector.
Good knowledge and experience with Linux and IP Networking, especially Transport, Internet and Application Layer (IPv4, IPsec, TCP, UDP, QUIC, HTTP/s, DNS, RTSP, SSH) protocols
Preferably with Knowledge on VAS systems like SMSC, SMPP-GW, VoiceMail, VoiceSMS, RBT, SDP(Service Delivery Platform), RSC(Roaming Service Center), USSD, Collect Call, WAP/WEB Portal, Mobile TV, MMSC, WAP-GW, ADC & OTA, MTA(Mail Transfer Agent)
Good knowledge in operating systems like Windows, Red hat or SUSE Linux, SUN Solaris and etc.
Good knowledge in databases like MySQL, SQL, Oracle and etc
Good knowledge of shell scripting and software engineering.
Working knowledge of security encryption solutions – SSL, firewalls, VPN, IPsec
Strong experience in programming/scripting language(s) – Python, Perl , Shell or equivalent
3rd Party RESTful API integration, PHP, MySQL, SQL server, web service working knowledge preferred
Knowledge and basic experience in cloud infrastructure and network function virtualization.
Required Capabilities
Knowledge:
Familiar with VAS equipment and platform
Working knowledge of Microsoft IIS and ASP.Net; Web/internet content filtering
IP Technologies
Knowledge of Database Management and SQL query
Strong knowledge of (SMPP, SMPP3.4,OS(UNIX, Linux)
Domain name, service configuration and management,
Good communication skills and strong customer –
Personal Effectiveness
Problem Solving
Teaming
Behavior:
Passion for Excellence
Integrity
Empowering people
Growing people
Team work
Customer Focus