Publication date : Jun 30, 2026, 12:00AMContract duration : Orange Business is here!About usJoin us at Orange Business!We are a network and digital integrator that understands the entire value chain of the digital world, freeing our customers to focus on the strategic initiatives that shape their business.Every day, you will collaborate with a team dedicated to providing consistent, sustainable global solutions, no matter where our customers operate. With over 30,000 employees across Asia, the Americas, Africa, and Europe, we offer a dynamic environment to develop and perfect your skills in a field filled with exciting challenges and opportunities.About the roleContextIn the context of new IoT offers development, Orange aims at building and operating a new Mobile core dedicated to IoT. This platform is mainly composed of a mobile 4G/5G core network, an IMS solution and SMSC platform, relying on a cloud-native Kubernetes infrastructure, and will support 4G/5G data, voice, and SMS services.In that context, a SAFe train aiming at building and ruuning this “IoT platform” has been set-up and we are looking for “a System team leader” acting as the critical bridge between architecture, platform infrastructure, and system validation.Main ResponsibilitiesAs System Team Leader of IoT train, you will lead a ‘system integration team’whose responsibilities are:To deliver the lab & pre-production environment and guaranteeing their stabilityTo define and drive the overall testing strategy of IoT services, to support component teams of IoT train for their tests, and to execute E2E IoT testsThis team is composed of 4 to 8 contributors (testers, technical architect, devops ), located in different locations. This team is integrated in a SAFe train organization.You represent the team at train level and you work closely with the IoT product manager, the solution architect and with all the PO of ‘component teams’ of the train to get aligned on roadmap, priorities and risks of the project.You actively contribute to SAFe ceremonies and governance: PI Planning, System Demos, Inspect & Adapt workshops.Basing on the IoT services marketing description and roadmap, you define the strategy and roadmap related to qualification and pre-production environment set-up and changes and related to IoT service testing.You animate the system team and coordinate their activities as well as the overall validation activities of the train.Your main responabilities are:To ensure that environments are:stable and reliableSufficienlty representative of production depending on the testsAvailable for component teams and system validation activitiesTo define and drive the global system testing strategy, covering:Definition of “which tests to be performed on which platform?”Definition of a staged strategy of tests and a clear process for validation of a new releaseDefinition of strategy to check Security, Scalability, performance, resilienceTo coordinate test campaigns at ART (Agile Release Train) level by:Defining planning of tests of each component team and monitor its executionLeading the E2E tests campaign under the responsibility of your system teamTracking and reporting anomalies and key quality KPIsTo industrialize progressively system validation (including tooling for tracking tests results and anomaly, automation of recurrent tests, standardization of testing and CI/CD practices across teams …)About youRequired skillsTechnical skills4G/5G core network (EPC / 5GC), IMS, SMS servicesIoT scenariiend-to-end service flow understandingKubernetes-based deployment understanding, CNF lifecycle awareness, cloud-native environments and toolsStrong experience in integration and testing and in organizing and leading distributed complex validation tests campaignsCI/CD & Devops competencies (knowledge about CI/CD, devops tools, automation…)Non-technical skills:Ability to work in a large and complex organizationHigh skills of communication to interact with several teams, in an international contextSkills of team leading and animationExperience of agile / scrum / SAFe methodologysecurity & operability awareness (design for security, observability, easy operation)Continuous improvement mindset (SRE-oriented practices)ProfileSenior E2E Qualification leader with 10 years experience in mobile networks domainYou bring rigor, passion for challenges, and determination. You seek the opportunity to expand your expertise, achieve your goals, and thrive.What we offer• Global Opportunities: Work in multi-national teams with opportunity to collaborate with colleagues and customers from all over the world.• Flexible Work Environment: Flexible working hours and possibility to combine work from office and home (hybrid ways of working).• Professional Development: training programs and upskilling/re-skilling opportunities.• Career Growth: Internal growth and mobility opportunities within Orange.• Caring and Daring Culture: Health and well-being programs and benefits, diversity & inclusion initiatives, CSR and employee connect events.• Reward Programs: Employee Referral Program, Change Maker Awards.Only your skills matterRegardless of your age, gender identity, race, ethnic origin, religion/belief, sexual orientation, marital status, neuroatypia, disability, veteran status or appearance, we encourage diversity within our teams because it is a strength for the collective and a vector of innovation. Orange Group is a disabled-friendly company and equal opportunity employer: don't hesitate to tell us about your specific needs. 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.