Big Data System Specialist (BigQuery)

Who we are VOIS (Vodafone Intelligent Solutions) is a strategic arm of Vodafone Group Plc, creating value for customers by delivering intelligent solutions through Talent, Technology & Transformation. As the largest shared services organisation in the global telco industry with 30,000 FTE, our portfolio of next-generation solutions and services are designed in partnership with customers across Vodafone Group, local markets, and partner markets to simplify and drive growth. With our strategic partner Accenture, we work alongside our Vodafone customers, other Telco and tech companies to drive transformation, meet the challenges of our industry and ensure we stay relevant and resilient. This partnership is a unique, industry-first model which brings together the best of in-house and 3rd party capability. We work with customers across 28 countries from 10 VOIS locations: Albania, Egypt, Hungary, India, Romania, Spain, Turkey, UK, Germany, Ireland, and with a network of teams in Czech Republic, Italy, Greece, and Portugal. About this Role We are seeking a System Engineering Specialist to manage and optimise Big Data platforms, ensuring operational excellence and supporting transformation initiatives. This role involves designing, configuring, and implementing software solutions aligned with global standards, as well as developing scripts and programs to automate processes and enhance system functionality. You will play a key role in IT projects from requirements gathering to implementation and testing, while ensuring high availability and performance of critical platforms. What you will do Participate in all phases of IT projects, including defining technical requirements, evaluating solutions, developing scripts, and implementing platforms. Develop automation scripts and programs to extend functionality and streamline recurring activities. Design, configure, and implement solutions involving operating systems and Big Data technologies. Create and test disaster recovery solutions and maintain system resilience. Optimise existing architectures and perform upgrades to meet evolving business needs. Provide support for transformation projects and technology refresh programmes to enhance service availability and performance. Investigate and resolve performance incidents, ensuring minimal impact on client operations. Install and maintain operating systems and perform proactive maintenance using automated tools. Evaluate emerging technologies and contribute to proof-of-concept initiatives. Be available for exceptional situations requiring extended hours. Who you are University degree with 3-5 years of experience in IT systems administration. Proven expertise in Big Data solutions (Hadoop ecosystem: HDFS, YARN, MapReduce, Machine Learning, Teradata). Strong knowledge of Red Hat Enterprise Linux or Microsoft Windows operating systems. Proficiency in procedural programming and shell scripting (Python, KSH, Bash, Perl). Familiarity with ITIL practices and advanced cyber security principles. Understanding of SOX compliance. Excellent problem-solving skills, structured delivery approach, and ability to manage multiple priorities under pressure. Strong documentation skills and customer-oriented mindset. Fluent in English (written and spoken). Not a Perfect Fit? Worried that you don't meet all the desired criteria exactly? At Vodafone we are passionate about Inclusion for All and creating a workplace where everyone can thrive, whatever their personal or professional background. If you're excited about this role but your experience doesn't align exactly with every part of the job description, we encourage you to apply as you may be the right candidate for this role or another role, and our recruitment team can help you see how your skills fit in. What's in it for you Opportunity to work on cutting-edge Big Data platforms and transformation projects. Exposure to global standards and advanced technologies in a collaborative environment. Professional growth through challenging projects and continuous learning. Inclusive and supportive workplace culture that values diversity and innovation. What skills you will learn Advanced Big Data technologies and architecture optimisation. Disaster recovery planning and implementation. Automation scripting for operational efficiency. Cyber security best practices and compliance frameworks. Collaborative project delivery in distributed teams. Join Us 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 truly be yourself and belong, share inspiration, embrace new opportunities, thrive, and make a real difference. Alert Apply for Vodafone jobs only through the official Vodafone Careers website to avoid job scams and fraud. * Follow us on social media and #StayConnected LinkedIn Facebook Instagram Sounds like the perfect job? We've got even more to offer: Hybrid way of working Medical and dental services Life and hospitalization insurance Dedicated employee phone subscription Take control of your benefits and choose any of the below options: MEAL TICKETS/ PRIVATE PENSION/ VACATION VOUCHERS/ CULTURAL VOUCHERS within the budget. Special discounts for gyms and retailers Annual Company Bonus Loyalty Programme Ongoing Education - we continuously invest in you to ensure you have everything needed to excel on the job and enhance your skills You get to work with tried and trusted web-technology Getting in on the ground floor of a technology changing company We let you write your own story by planning vacations: go for a trip, experience new things, have fun and enjoy your 23 days off. Special Paternal Program - 4 months of paid paternity leave We recognize and celebrate the importance of diversity and inclusivity in our workplace so that we are as diverse as the customers and communities we serve. We do not tolerate any form of discrimination especially related to but not limited to race, colour, age, veteran status, gender identification, sexual orientation, pregnancy, ethnicity, disability, religion, political affiliation, trade union membership, nationality, indigenous status, medical condition, HIV status, social origin, cultural background, social or marital status. Worried that you don't meet all the desired criteria exactly? We are passionate about Inclusion for All and creating a workplace where everyone can thrive, whatever their personal or professional background. So, if you're excited about this role but your experience doesn't align exactly with every part of the job advert, we encourage you to apply as you may be just the right candidate for this role or another role, and our recruitment team can help see how your skills fit in. _VOIS