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Data Engineer

Posting Country:  Turkey
Date Posted:  12-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.


Job Responsibility

Your place in the team

Key Accountabilities:
•    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. 
Key performance indicators:
•    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

•    Ensure that deliverables are peer reviewed to assure and improve quality. 
•    Review design and testing documents and work with technology and testing teams to ensure business requirements are satisfied. 
•    Support testing in confirming the validity and testing of the requirements (that is, confirm that the requirements meet the business needs from both a technical and non-technical perspective). 
•    Identify areas for improvement/development and ensure that any necessary changes are identified and implemented. 
•    Work with BI Strategy and Architecture team to understand the design and model of the data warehouse
Demand Management
•    Receive, assess, record and prioritise request from all levels of management and end users for data sets and reports from the BI Enterprise Data Warehouse.
•    Develop and coordinate through BI specialists to develop and provide data, report and dashboards as prioritised.
•    Identify, manage and resolve end to end to user experience issues.
•    Facilitate the Finance and Commercial month end reporting cycle through communicating the schedule and managing any delivery impacts to timing and quality to stakeholders.
•    Ensure that stakeholders are kept apprised of the status of requirements and the scope of the deliverables. 
Tactical process
•    Streamlining & automating processes understanding business question / requirements while ensuring information accuracy and speed of delivery
•    Work collaboratively with other team members to deliver tasks
•    Manage the engagement and prioritisation of offshore resources
•    Develop, refine and rollout common processes and procedures for technical business analysis. 
•    Provide coaching and support to transfer technical & data knowledge within the BI team
•    Drive insights and innovation proactively and as requested
•    Seeking automation and simplification on already running processes and also new requirements
•    Show demonstrable value to the business on BI practices, proposals and thought leadership.

Long Description

•    Communicate to all impacted stakeholders any data quality, timing or definition issues discovered in relation to existing strategic or tactically developed reports.
•    Manage and support the Production support/DQ/DQ volume monitoring process through engagement with the business, communications, triage of request and operational processes.
•    In conjunction with other BI teams, develop and install a continuous improvement culture via a focus on innovation, simplification and relentless focus to standardisation.
•    Advocate and influence single version of the truth, end user experience simplification and elegance.
•    Drive the use of Self-service BI/Analytics
•    Identify and promote the definition and reuse of common business processes and practices. 
•    Advise all areas of the reporting framework and advise/guide on the right tool for the right job
•    Adhere to Vodafone policies and procedures as introduced and varied from time to time
•    Impact on Business: Financial, sales, CVM, regulatory, COPS legal etc.
•    People leadership experience & good people management skills with experience of creating and managing effective teams
•    Understand the reporting requirement, discuss and provide insights by looking at the trends, data displayed in the report.
Behavioural/ Personality Specifications required: -
•    Good in Stakeholder management
•    Self-motivating and assertive 
•    Effective negotiation and customer management skills 
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

Long Description

We are looking for you if you have

Primary Skills: 6+ Years of total industry experience preferably in telecom environment, Data Modelling Concepts, ETL Tools Knowledge (ODI Prefered), Oracle SQL/PL 
Secondary Skills: Knowledge of DWH, Proactive working mode, problem solver, Strategic and analytics roles
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.

Get to know us

If you want to know more about us and what we do, then visit our website:

Diversity and Inclusion

At Vodafone, we embrace and welcome everyone. We believe that we can operate more successfully and effectively with diverse teams. And we can only leverage this diversity by building an inclusive culture where everyone is respected, can be themselves and strive to be their best. That way we can create a better future for our employees, our partners, the communities we work in and our customers.

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.