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System Engineering - Java, Kafka, Flink

Aggregate function:  Technology
Business Area:  VB Tech Directorate
Posting Country:  Romania
Date Posted:  26 Jun 2026
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.

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 Big Data System Specialist to design, implement, and maintain data movement solutions across batch and real-time streaming environments. This role focuses on ensuring high availability, performance, and reliability of data processing systems, while supporting business needs through efficient onboarding, technical guidance, and continuous optimisation of infrastructure and applications.

What you’ll do

  • • Provide Level 2 and Level 3 support for data movement clusters, instances, data flows, and related incidents and problems
    • Define technical requirements and design, configure, and implement data movement solutions across applications, operating systems, and clusters in line with best practices and agreed KPIs
    • Develop and maintain data streaming pipelines for ingestion and output across multiple data sources and destinations
    • Design, configure, and implement data connectors aligned with business needs
    • Configure, monitor, and maintain infrastructure to improve performance, security, and system availability, including proactive maintenance based on alerts and monitoring tools
    • Conduct technical investigations and root-cause analysis, ensuring transparency and proposing effective solutions
    • Support transformation and technology refresh programmes aimed at improving service availability, reducing downtime, and enhancing performance
    • Contribute to automation initiatives that simplify recurring tasks, standardise processes, and improve delivery efficiency
    • Create and maintain accurate documentation, including product documentation and operational runbooks
    • Participate in on-call rotations and provide support during exceptional situations when required
    • Address additional business or technical requests as directed by the direct manager

Who you are

  • • Keen to learn and continuously develop new skills
    • Strong problem-solving and critical thinking capabilities
    • Well organised with the ability to prioritise effectively
    • Results-focused with a collaborative mindset
    • Fluent in written and spoken English
    • Able to work effectively in remote and distributed teams
    • Comfortable working under pressure and managing tight deadlines
    • Skilled in creating detailed documentation
    • Customer-oriented with a focus on enhancing user experience
    • Advanced knowledge of Apache Kafka and Apache Flink (installation, configuration, deployment, and operations) is advantageous
    • Good knowledge of Java
    • Good system administration knowledge (RHEL or similar)
    • Familiarity with office systems and IT equipment (hardware and software)
    • Understanding of cloud services and general security principles
    • Knowledge of scripting languages and databases
    • Experience with container orchestration tools (Kubernetes preferred) is beneficial
    • Relevant certifications such as CCAAK, CTAK, Java Oracle certifications, or RHCSA are desirable

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

  • • Advanced data streaming architecture and pipeline optimisation
    • Real-time and batch data processing at scale
    • Infrastructure monitoring, performance tuning, and system reliability engineering
    • Automation and DevOps practices within data engineering environments
    • Cloud-based data solutions and container orchestration technologies
    • Root-cause analysis and incident management in complex distributed systems

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

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#JDEnhancedByTARA

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.

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