Latest Vacancies at Huawei Technologies Company Nigeria Limited

Responsibilities

• To empower and support customers (specifically, mobile network operators) to define, test, prioritize, execute and report on multi-channel, rule or event-based campaigns via our in-house campaign management system.
• Perform subscriber profiling based on certain attributes ,consumer behavior and business rules as defined by customer
• Read, extract, transform, stage and load data using selected tools and frameworks as required and requested.
• Perform end to end maintenance of all components and services of the campaign management system
• Perform tasks such as writing scripts, calling APIs, creating and modifying data flows, write SQL queries, etc.
• Work closely with the other team members for 3rd party integration of data sources
• Monitoring and reporting on campaign performance and tracking leads for call to action.
• Provide input into documentation and updating of Standard operating procedures and process documents.
• Provide input into definition data retention policies.

Qualification, Skills and Experience

• Bachelor's Degree or more in Computer Science or a related field.
• 5 - 7 years of recent experience in the support of campaign management systems.
• Very proficient in the use of SQL/PL-SQL.
• 5 – 7 years of recent experience in Business intelligence, data analytics and familiarity with the Hadoop platform including the HDFS file system is added advantage.
• Programming experience, ideally in Python, Spark, Kafka or Java, and a willingness to learn new programming languages to meet goals and objectives.
• Experience in C, Perl, JavaScript or other programming languages is added advabtage.
• Knowledge of data cleaning, wrangling, visualization and reporting, with an understanding of the best, most efficient use of associated tools and applications to complete these tasks.
• Familiarity with Hive, Spark and MapReduce is added advantage.
• Experience processing large amounts of data, including integrating data from multiple sources.
• A willingness to explore new alternatives or options to solve data mining issues, and utilize a combination of industry best practices, data innovations and your experience to get the job done.
• Experience in production support and troubleshooting.

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Responsibilities

• Monitor and analyse daily call data records to ensure they are in trend, investigate, escalate and/or fix issues where they exist.
• Work closely with Revenue Assurance and Fraud Management department to reconcile call data records and report exceptions or possible fraud for further investigation
• Coordinate and conduct sample/test bill run and work with the IT Testing and Revenue Assurance & Fraud Management teams to ensure validation is complete for approvals before the actual bill run is initiated
• Ensure that all participating call data events are well and completely processed at the end of each month
• Complete error CDR resolution and bucket management
• Plan, coordinate and conduct actual bill run on the 1st day of the new month, give regular updates on progress to all stakeholders till completion.
• Ensure summarized bills are sent via SMS and email upon successful validation and approvals by Revenue Assurance and Fraud department
• Conduct post bill run analysis, generate reports required by all stakeholders and send within agreed timelines
• Monitor the generation of Age debt reports and ensure it is sent on or before the 7th day of the new month
• Manage and engage internal customers (Enterprise, Finance, Customer Care and Revenue Assurance)
• Resolution of all escalated Billing and Charging Systems issues (ticket and emails) with agreed service levels and give quality feedback
• Manage all charging system nodes handling rating, billing, accounts receivables, dunning control and other related activities and ensure a pro-active working condition for both hardware and software
• Ensure proactive monitoring of the systems through available tools & key performance reports and make sure all alarms are treated on priority
• Ensure all business and system reports are accurately and duly generated for business decisions.
• Ensure new software releases pass the quality test, are fit for purpose and deployed successfully.
• Analyse new business requests and proffer best practice solutions with appropriate cost and no impact to legacy systems.
• Ensure transfer of knowledge to other team members and good handshake with interfacing departments

Qualification, Skills and Experience

• Minimum of Bachelor's degree in Engineering, Information or any related field with evidence of proven experience.
• Minimum of Five (5) years’ work experience with at least Three (3) years in a Telecom Billing and Charging systems role.
• Prior experience in Telecommunication in an Operations / Services / Technology environment.
• Strong problem-solving skills
• Good knowledge and use of SQL
• Strong knowledge of Unix Operating System
• Good analytical skills & strong attention to details.
• Excellent ability to express ideas verbally, including strong presentation skills.
• Good engagement & communication skills.
• Ability to plan, organize and manage pressure

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Responsibilities

• Understanding of customer's business needs with relation to Solution Architecture and design.
• Complete understanding of the data information on the basis of business understanding to raw data collection , processing ,cleansing and modeling.
• Using data mining tools and algorithms for data modeling.
• Adjustment and optimizing the modeling for performance .
• Complete model deployment and outputting of results.

Qualification, skills and experience.

• Minimum of Bachelor’s degree in Engineering, Information or any related field with evidence of proven experience.
• Familiar with the database, data mining algorithms and principles.
• Basic knowledge of mobile network architecture and operation process (eg: 2/3/4G network
• Data mining tools: basic functions of SPSS tools, R language or Python Language, including software basic situation and the basic operation.
• Understands ORACLE / SYBASE basic knowledge , basic commands and simple SQL queries.
• Basic knowledge of telecommunications industry is preferred.
• work experience in mobile operator, CRM, Billing, BI knowledge; CS / PS core network knowledge with vendor’s CEM platform experience
• Good communication and presentation skills