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. #VOIS #BeUnrivalled #CreateTheFuture About this Role We are seeking a System Engineering Specialist to support and evolve enterprise-scale Big Data platforms within Big Data Platform Services RO, based in Bucharest. This role focuses on operational management, platform optimisation, and the delivery of robust Big Data solutions that support critical IT infrastructure and business needs. The individual will contribute across the full lifecycle of IT projects, combining hands-on technical expertise with a structured, service-oriented approach aligned to global standards. What you’ll do Participate in all phases of IT projects, from requirements definition and analysis through to implementation, testing, and operational handover. Define technical requirements and evaluate alternative IT solutions aligned with platform standards and business needs. Design, configure, implement, and test Big Data software solutions impacting IT infrastructure. Develop and maintain scripts and programs at operating system and database level (e.g. Python, shell scripting, SQL) to automate recurring activities and extend platform functionality. Provide operational management and ongoing support for supported Big Data platforms. Optimise existing solutions through architectural improvements, software upgrades, and technology refresh initiatives to enhance performance, availability, and resilience.Investigate performance incidents, analyse root causes, and implement or propose effective remediation actions. Perform proactive maintenance based on monitoring tools, alerts, and notifications. Contribute to proof-of-concept activities and the evaluation of emerging technologies for potential adoption. Produce and maintain clear technical and operational documentation, including change management artefacts. Who you are An experienced IT Systems Administrator with 3–5 years’ experience in infrastructure or platform administration. Proven hands-on experience with Big Data solutions such as BigQuery, Tableau, and Teradata. Confident working with Red Hat Enterprise Linux and understanding hardware architecture concepts. Experienced in procedural programming and shell scripting, with a structured approach to problem solving. Familiar with ITIL practices, cyber security principles, and a general understanding of SOX requirements. Highly organised, able to manage multiple priorities and deliver results under time pressure. A clear communicator with strong documentation skills and a customer-oriented mindset. Comfortable working in distributed and remote teams. Fluent in written and spoken English. Holds a university degree in a relevant field. Not a perfect fit? Concerned you may not meet every requirement? Vodafone is committed to creating an inclusive workplace where everyone can thrive. If you are excited about this role but your experience does not align exactly with every aspect of the job description, you are encouraged to apply. You may be the right candidate for this or another opportunity, and the recruitment team will support you in exploring where your skills fit best. What's in it for you Hybrid way of working: 2 days per week/ 8 per month 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 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 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 What skills you will learn Based on the information available, the role is expected to support the development of: Advanced Big Data platform administration and optimisation skills. Automation and scripting capabilities for large-scale environments. Experience in proof-of-concept delivery and technology evaluation. Stronger incident investigation, root cause analysis, and proactive maintenance practices. Enhanced understanding of enterprise governance, security, and compliance frameworks. VOIS Equal Opportunity Employer Commitment Vodafone recognises and celebrates the value of diversity in building a workforce that reflects the customers and communities it serves. No form of discrimination is tolerated. This includes, but is not limited to, discrimination based on race, colour, age, veteran status, gender identity, gender expression, sexual orientation, pregnancy, maternity or parental status, ethnicity, disability, religion or belief, political affiliation, trade union membership, nationality, citizenship, indigenous status, medical condition, HIV status, neurodiversity, social origin, cultural background, marital or civil partnership status, or socio-economic background. 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 be 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. #JDEnhancedByTARA Follow us on social media and #StayConnected LinkedIn: https://www.linkedin.com/company/vois/ Facebook: https://www.facebook.com/voisglobal Instagram: https://www.instagram.com/voisglobal