Big Data developer (Multi Investigation Project – Security Business) at Thales (DC-0009)

Thales people architect solutions that support 85 million mainline and suburban passenger journeys, worldwide, every day. Our Rail Signalling and Communication systems are used on metro lines across major cities, and 72,000 kms of route, 52,000 trains per day in 16 countries are controlled by our Traffic Management Systems. Together We deployed the first-ever nationwide ticketing system which processes over 50 million ticketing transactions in 100 cities daily.Present in Romania for over 40 years, Thales is expanding its presence in the country by growing its Digital capabilities and by developing a Group Engineering Competence Centre (ECC). Operating from Bucharest, Thales delivers solutions in a number of core businesses, from ground transportation, space and defence, to security and aeronautics.

Within the Thales group, the CDI (Critical Data Intelligence) segment develops a complete range of Big Data analysis solutions in response to the growing needs of the governmental authorities regarding the systems dedicated to administrative and judicial investigations, both in France and internationally.

As a result of the advantages that Thales has in the defense area, our objective is to strongly develop this segment and to create a European leader which will be able to compete with the biggest companies in the sector.

In the DevOps department, which groups together the R&D group and the customer operations of this segment, and in order to develop strongly this activity, the R&D Big Data developer will join an R&D Big Data team comprising about twenty persons currently being recruited, located at Vélizy (78), and will participate in an ambitious project in the Big Data domain, based on the most recent technologies in this domain.

Role Responsibilities

The Big-Data developer will have the following main missions, without this list being exhaustive:

  • Evaluate, define, implement, and support the Big-data development of a very ambitious project in this domain,
  • Propose innovative solutions, and participate in their implementation,
  • Assure the conformity with the defined architecture received from the architecture team,
  • Tests the solution by Unit tests
  • Monitors and reports on the progress of software development project, using appropriate quality assurance processes to ensure that projects are carried out in accordance with agreed standards, methods and procedures.
  • Help other members of the team understand the big-data technologies,
  • Interface with the other teams working on the project.


In a context of advanced technologies, the profile required must have:

    • Over 6 years of experience in complex systems, including recent experience in the Big Data domain;
    • Knowledge of several technologies of data science, and platform approach:
      • Batch treatments, micro-batch, and streaming;
      • Big Data technologies: ETL, Kafka, Hadoop, SQL and NoSQL, Neo4J, Spark, ElasticSearch;
      • Data visualization technologies;
      • Data fusion platforms;
    • Knowledge of cloud technologies: VM, Containers, Kubernetes, micro-services, public and private Cloud;
    • Implementation of AI treatments: Machine Learning, Tensorflow, NLP, image analysis, graph analysis;
    • Good knowledge of English for documentary production;
    • Entitled to confidential defense accreditation.

    At Thales we provide CAREERS and not only jobs. With Thales employing 80,000 employees in 68 countries our mobility policy enables thousands of employees each year to develop their careers at home and abroad, in their existing areas of expertise or by branching out into new fields. Together we believe that embracing flexibility is a smarter way of working. Great journeys start here, apply now!

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    Orange Romania is part of the Orange Group, one of the largest global telecommunications operators that connects hundreds of millions of customers worldwide. With over 11 million local customers and an annual turnover exceeding 1.5 billion euros, Orange Romania connects 1 in 2 Romanians and offers an extensive range of communication solutions for both individual and corporate customers, from basic connectivity services to complete mobile, fixed internet, TV packages, and complex IT&C solutions through Orange Business

    Orange Romania is the number 1 operator in terms of network performance, and also holds nine consecutive Top Employer certifications, which confirm that Orange Romania, in addition to the remarkable products and services it offers, pays special attention to its employees and working environment. In the past 3 years Orange has launched two 5G Labs in Bucharest and Iasi, that aim to support researchers, startups and companies to test their 5G solutions in advance. 

    In addition, Orange is a long-term supporter of the startup ecosystem through the Orange Fab accelerator program designed to support entrepreneurs in the development of innovative products and their distribution locally and internationally.

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