Publication date : May 20, 2026, 10:42AMPurposeof the jobYou will be part of a team of several radio dimensioning engineers, whose role is to help the subsidiaries embedded in the REC anticipate and adapt the capacity needs of the 2G/3G/4G/5G (6G in the future) mobile access network in order to absorb the forecasted traffic of customers, to limit the level of radio congestion, and to offer the best network service quality (in terms of accessibility, communication maintenance) and customer experience (voice quality, data rate).You will be responsible for carrying out RAN dimensioning studies (budget and capacity forecasting, congestion) based on the traffic and technological evolution inputs of the network provided by the subsidiaries embedded in the REC.Duties and responsibilitiesAs a radio Capacity engineer, the main activities will include:Conducting budget studies (capacity needs estimation) for subsidiaries every year, as well as updates for budget reviewsCollecting the necessary inputs from subsidiaries to ensure the proper completion of these studiesMonitoring the capacity deployment planned in the budget program, with subsidiariesEnsuring that the subsidiaries involved in the REC apply the rules of architecture and sizing mobile access networksDistributing and implementing the congestion detection decision tree defined by the Group, and supporting subsidiaries involved in the REC in capacity monitoring/congestion exercises at the bottom and middle of the networkJob specificationEngineers with 1 to 10+ years of experienceFrench speakers or Fluent English SpeakersWith a background in mobile telecommunications engineering, You have at least 2 years of experience and you have the Following Skills : Business skills Ability to listen and understand customer needsAbility to convince, manage and rally people Ability to work in functional relationships with experts from other organizations and countries Technical SkillsVery good knowledge of the architecture and interfaces of mobile networksVery good knowledge of the dimensioning criteria for the different technologiesVery good knowledge of the main radio procedures (Selection, reselection, handover, paging, CSFB, VoLTE, etc.)Very good knowledge of the 3GPP standards and of the L3 protocol messagesKnowledge of the methodologies and rules for dimensioning mobile access networks (downlink and mid-link), 2G/3G/4G/5G, voice and dataKnowledge of the engineering and operational issues of 2G/3G/4G/5G mobile access networks and their operationKnowledge of the radio dimensioning tool used in the Orange group (RANDim) is an assetSkills in radio engineering and optimization, other than dimensioning: optimization, design, troubleshooting, tools, are an assetKnowledge in the field of network automation (C-SON) would also be an assetBasic programming skills, such as experience with Visual Basic, to develop database queries that convert raw statistics into useful information would be an assetExperience with different RAN suppliers of the Orange group (Huawei, Nokia, Ericsson) is an assetThe application of these skills is directly related to the tasks of the position described above and this on the 2G, 3G et 4G,5G.Transversal SkillsDemonstrate scientific interest, open-mindedness, innovation and autonomy in the types of activities proposedDemonstrate listening, dynamism, rigor and a capacity for synthesisdemonstrate your capacity for autonomy and adaptabilityFluent in English/French (international team and direct, daily contact with the OMEA countries of the Group). Travels in the OMEA zone are to be expectedHave a strong ability to create and maintain an international networkHave a strong ability to represent and communicateHave knowledge of the telecoms and IT industry, as well as the ecosystem of an operatorDemonstrate an ability to work transversally and with colleagues from a variety of backgrounds At Orange, only your skills matter. Regardless of your age, gender, background, origin, religion, sexual orientation, disability, neurodiversity, or appearance, we actively encourage diversity within our teams, as it is a collective strength and a driver of innovation.Orange is a disability-inclusive employer: please feel free to let us know about any specific needs you may have.