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Data Engineer

Posting Country:  Turkey
Date Posted:  11-Nov-2021
Full Time / Part Time:  Full Time
Contract Type:  Permanent

At Vodafone, we’re working hard to build a better future. A more connected, inclusive and sustainable world. As a dynamic global community, it's our human spirit, together with technology, that empowers us to achieve this. 

We challenge and innovate in order to connect people, businesses, and communities across the world. Delighting our customers and earning their loyalty drive us, and we experiment, learn fast and get it done, together.

With us, you can be truly be yourself and belong, share inspiration, embrace new opportunities, thrive, and make a real difference.


Join our journey as we connect for a better future. Ready?

We are looking for a Data Engineer


Our purpose at Vodafone is to connect for a better future. As a Global Communications Technology company, we put the customer at the heart of everything we do. We are forever challenging, pushing boundaries and discovering innovative ways to connect our customers with their digital societies.

We connect people, businesses, and communities across the globe to create the future. We earn customer loyalty, experiment, learn fast and get it done, together. As you can imagine, this means that we have a vibrant and diverse mix of skills and people making Vodafone a great place to work.

Role Purpose 

This position requires a highly motivated and experienced with data modelling and ETL development skills.
The data management expert is responsible for transforming business information into Conceptual, Logical and Physical Data Models that deliver diverse reporting, analytic, and downstream system integration capabilities. Key customers include Business Intelligence (Finance), Customer Value management (CVM), Marketing, Sales, Customer Care and Technology. 
The role includes business requirements management, source systems data analysis, source to target mapping, 3NF modelling and presentation layer design support. Data modelling responsibility should provide solutions to business teams that meets their functional requirements This role is responsible for ensuring correct business needs which are clearly identified and stated. The process includes all requirements needed to deliver and maintain the solution such as required performance, tools and reporting activities.

Job Responsibility

Your Place in the team

•    Maintaining and enhancing the 3NF data model.
•    Maintaining and enhancing the dimensional model and presentation layer.
•    Source to Target Mapping specifications. 
•    Presentation layer design preferred
•    6+ years of Data-Warehousing experience including 2+ years data modelling. 
•    Proficient in 3rd normal form relational modelling and dimensional modelling for data marts
•    Data mapping specification writing skills
•    Proficient in working on data modelling tools. Preferred Power Designer
•    Expert SQL and Database skills on Oracle
•    Experience with a number of ETL tools. Preferred ODI, Ab Initio.
•    Has good knowledge of Telecom & BSS systems – Prepaid, Post-paid, CRM etc.
•    Excellent interpersonal and communication skills

Long Description

We are looking for you if you have

•    Conducting Data Discovery activities on the Data Warehouse and Source Systems to analyse data and determine that it is ‘fit for purpose’
•    Ensure true business needs are clearly identified and clearly understood at the root so that the most effective and efficient solutions can be derived. 
•    Manage scope of the Solution Design Documentation and comply with change management procedures. 
•    Be able to create and/or update the Requirements Traceability Matrix to ensure requirements are managed throughout the lifecycle of development. 
•     Collect system/business requirements for Business Intelligence, Reporting and Analytics solutions.
•     Profile and analyse source systems, working with source system and application owners to understand source data structures. 
•    Facilitate the discovery of entities, attributes, relationships, and business rules from the technical experts and the business users
•    Work together as part of IT delivery ensuring DWH deliverables are providing on time in each gate i.e. Mapping Document, Design document etc.
•    Design and develop data model and ETL mappings including diagram and source to target mappings document, ensuring the business requirement is met.
•    Modify the physical data model for efficient data access paths.
•    Generate DDL to create tables, and views
•    Ensure best performance for ETL by identifying needed indexes, partitions, materialized views …etc.
•    Work closely with Support team to assist of daily batch.
•    Work closely with the Architecture team to ensure the design is meeting standards and delivering the right quality to the business  
•    Maintain technical and business Metadata in the Data Warehouse.
•    Alignment with Vodafone Group around modelling governance. 


Behavioural/ Personality Specifications required


•    Good in Stakeholder management
•    Self-motivating and assertive 
•    Effective negotiation and customer management skills 

Long Description

Desired Profile


•    Highly developed time management skills and ability to prioritise workload 
•    Knowledge of BI tools such as Business Objects and Tableau
•    Knowledge on basics of DWH and exposure to BI projects
•    Understanding of business applications, interfaces and integrated operational environments 
•    End to end experience of software development lifecycle 
•    Good understanding of Telco business
•    High Level SQL and the ability to query systems - Oracle and PL/SQL knowledge must.
•    Ability to draw conclusions from detailed data sets and confidently communicate this back to senior stakeholders
•    Experienced in requirements analysis, specifically the challenge and validation of data capability and reporting requirements
•    An understanding of user needs and a focus on the business outcome 
•    A logical approach to problem solving and an investigative and inquisitive mind 
•    Experience in collating and documenting requirements 
•    4+ Years of total industry experience preferably in telecom environment, with exposure to analytics role
•    People leadership experience & good people management skills with experience of creating and managing effective teams
•    Knowledge of agile methodologies

Vodafone is committed to attracting, developing and retaining the very best people by offering a motivating and inclusive workplace in which talent is truly recognised and rewarded. We are committed to promoting Inclusion for All with the belief that diversity plays an important role in the success of our business. We actively encourage everyone to consider becoming a part of our journey.