Mobile Core Network Engineer

<p><strong>Publication date :</strong> Nov 04, 2025, 12:00AM</p>Vidéo EVP<p style="margin: 0px;"><iframe title="YouTube video player" src="//www.youtube.com/embed/Zzo2nR1ELdo?controls=0" width="560" height="315" frameborder="0" allowfullscreen="allowfullscreen"></iframe></p>Déclaration de mission de l'entreprise<p>Orange Business is 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.</p>À propos du rôle<p><span style="color:black;"><span style="font-family:"Helvetica 45 Light",sans-serif;font-size:10.0pt;line-height:115%;mso-bidi-font-size:11.0pt;mso-fareast-font-family:"Helvetica 45 Light";" lang="EN-US">The main mission of the Mobile Core Network Engineer is to ensure the design and implementation of innovative core network solutions that enhance the overall telecommunications infrastructure, driving the organization forward towards its vision of seamless connectivity and advanced network reliability.</span></span></p><p><span style="color:black;"><span style="font-family:"Helvetica 45 Light",sans-serif;font-size:10.0pt;line-height:115%;mso-bidi-font-size:11.0pt;mso-fareast-font-family:"Helvetica 45 Light";" lang="EN-US">Main activities</span></span></p><ul><li class="MsoListBulletCxSpFirst" style="margin-left:36.0pt;mso-add-space:auto;mso-list:l0 level1 lfo1;"><span style="color:black;"><span style="font-family:"Helvetica 45 Light",sans-serif;font-size:10.0pt;line-height:115%;mso-bidi-font-size:11.0pt;mso-fareast-font-family:"Helvetica 45 Light";" lang="EN-US">Design and develop technical solutions tailored to client projects, including High-Level Design (HLD) and Low-Level Design (LLD).</span></span><span lang="EN-US"><o:p></o:p></span></li><li class="MsoListBulletCxSpMiddle" style="margin-left:36.0pt;mso-add-space:auto;mso-list:l0 level1 lfo1;"><span style="color:black;"><span style="font-family:"Helvetica 45 Light",sans-serif;font-size:10.0pt;line-height:115%;mso-bidi-font-size:11.0pt;mso-fareast-font-family:"Helvetica 45 Light";" lang="EN-US">Define the implementation roadmap for 4G and 5G core network solutions aligned with client needs.</span></span><span lang="EN-US"><o:p></o:p></span></li><li class="MsoListBulletCxSpMiddle" style="margin-left:36.0pt;mso-add-space:auto;mso-list:l0 level1 lfo1;"><span style="color:black;"><span style="font-family:"Helvetica 45 Light",sans-serif;font-size:10.0pt;line-height:115%;mso-bidi-font-size:11.0pt;mso-fareast-font-family:"Helvetica 45 Light";" lang="EN-US">Contribute to the successful deployment of mobile core network solutions in lab, pre-production, and production environments, ensuring horizontal and vertical integration.</span></span><span lang="EN-US"><o:p></o:p></span></li><li class="MsoListBulletCxSpMiddle" style="margin-left:36.0pt;mso-add-space:auto;mso-list:l0 level1 lfo1;"><span style="color:black;"><span style="font-family:"Helvetica 45 Light",sans-serif;font-size:10.0pt;line-height:115%;mso-bidi-font-size:11.0pt;mso-fareast-font-family:"Helvetica 45 Light";" lang="EN-US">Work within a Continuous Integration/Continuous Deployment (CI-CD) environment.</span></span><span lang="EN-US"><o:p></o:p></span></li><li class="MsoListBulletCxSpMiddle" style="margin-left:36.0pt;mso-add-space:auto;mso-list:l0 level1 lfo1;"><span style="color:black;"><span style="font-family:"Helvetica 45 Light",sans-serif;font-size:10.0pt;line-height:115%;mso-bidi-font-size:11.0pt;mso-fareast-font-family:"Helvetica 45 Light";" lang="EN-US">Define test scenarios, execute tests, and analyze collected traces in end-to-end (E2E) environments, including 5G, VoLTE, and IoT applications.</span></span><span lang="EN-US"><o:p></o:p></span></li><li class="MsoListBulletCxSpLast" style="margin-left:36.0pt;mso-add-space:auto;mso-list:l0 level1 lfo1;"><span style="color:black;"><span style="font-family:"Helvetica 45 Light",sans-serif;font-size:10.0pt;line-height:115%;mso-bidi-font-size:11.0pt;mso-fareast-font-family:"Helvetica 45 Light";" lang="EN-US">Provide ongoing support for deployed solutions in production and address any related responsibilities.</span></span></li></ul><p><span style="color:black;"><b style="mso-bidi-font-weight:normal;"><span style="font-family:"Helvetica 45 Light",sans-serif;font-size:10.0pt;line-height:115%;mso-bidi-font-size:11.0pt;mso-fareast-font-family:"Helvetica 45 Light";" lang="EN-US"><strong>Required Skills:</strong></span></b></span></p><ul><li class="MsoListBulletCxSpFirst" style="margin-left:72.0pt;mso-add-space:auto;mso-list:l0 level1 lfo1;"><span style="color:black;"><span style="font-family:"Helvetica 45 Light",sans-serif;font-size:10.0pt;line-height:115%;mso-bidi-font-size:11.0pt;mso-fareast-font-family:"Helvetica 45 Light";" lang="EN-US">In-depth knowledge of mobile networks, encompassing protocols, architectures, and interworking capabilities.</span></span><span lang="EN-US"><o:p></o:p></span></li><li class="MsoListBulletCxSpMiddle" style="margin-left:72.0pt;mso-add-space:auto;mso-list:l0 level1 lfo1;"><span style="color:black;"><span style="font-family:"Helvetica 45 Light",sans-serif;font-size:10.0pt;line-height:115%;mso-bidi-font-size:11.0pt;mso-fareast-font-family:"Helvetica 45 Light";" lang="EN-US">Mastery of LTE/5G architectures and engineering concepts. Knowledge of 3GPP standards related to mobile core networks.</span></span><span lang="EN-US"><o:p></o:p></span></li><li class="MsoListBulletCxSpMiddle" style="margin-left:72.0pt;mso-add-space:auto;mso-list:l0 level1 lfo1;"><span style="color:black;"><span style="font-family:"Helvetica 45 Light",sans-serif;font-size:10.0pt;line-height:115%;mso-bidi-font-size:11.0pt;mso-fareast-font-family:"Helvetica 45 Light";" lang="EN-US">Practical experience with key mobile core network elements, including AMF/MME, SMF/SPGW-C, UPF/SPGW-U, and others.</span></span><span lang="EN-US"><o:p></o:p></span></li><li class="MsoListBulletCxSpMiddle" style="margin-left:72.0pt;mso-add-space:auto;mso-list:l0 level1 lfo1;"><span style="color:black;"><span style="font-family:"Helvetica 45 Light",sans-serif;font-size:10.0pt;line-height:115%;mso-bidi-font-size:11.0pt;mso-fareast-font-family:"Helvetica 45 Light";" lang="EN-US">Proven experience in deploying mobile core network solutions in operational environment.</span></span><span lang="EN-US"><o:p></o:p></span></li><li class="MsoListBulletCxSpMiddle" style="margin-left:72.0pt;mso-add-space:auto;mso-list:l0 level1 lfo1;"><span style="color:black;"><span style="font-family:"Helvetica 45 Light",sans-serif;font-size:10.0pt;line-height:115%;mso-bidi-font-size:11.0pt;mso-fareast-font-family:"Helvetica 45 Light";" lang="EN-US">Experience in support activities for operational networks.</span></span><span lang="EN-US"><o:p></o:p></span></li><li class="MsoListBulletCxSpMiddle" style="margin-left:72.0pt;mso-add-space:auto;mso-list:l0 level1 lfo1;"><span style="color:black;"><span style="font-family:"Helvetica 45 Light",sans-serif;font-size:10.0pt;line-height:115%;mso-bidi-font-size:11.0pt;mso-fareast-font-family:"Helvetica 45 Light";" lang="EN-US">Familiarity with functional, performance, and E2E testing tools.</span></span><span lang="EN-US"><o:p></o:p></span></li><li class="MsoListBulletCxSpMiddle" style="margin-left:72.0pt;mso-add-space:auto;mso-list:l0 level1 lfo1;"><span style="color:black;"><span style="font-family:"Helvetica 45 Light",sans-serif;font-size:10.0pt;line-height:115%;mso-bidi-font-size:11.0pt;mso-fareast-font-family:"Helvetica 45 Light";" lang="EN-US">Proficient with CI-CD integration and testing automation tools, such as GitLab.</span></span><span lang="EN-US"><o:p></o:p></span></li><li class="MsoListBulletCxSpMiddle" style="margin-left:72.0pt;mso-add-space:auto;mso-list:l0 level1 lfo1;"><span style="color:black;"><span style="font-family:"Helvetica 45 Light",sans-serif;font-size:10.0pt;line-height:115%;mso-bidi-font-size:11.0pt;mso-fareast-font-family:"Helvetica 45 Light";" lang="EN-US">Experience with containerized mobile core network deployments in Telco cloud environments, such as Redhat OpenShift.</span></span><span lang="EN-US"><o:p></o:p></span></li><li class="MsoListBulletCxSpMiddle" style="margin-left:72.0pt;mso-add-space:auto;mso-list:l0 level1 lfo1;"><span style="color:black;"><span style="font-family:"Helvetica 45 Light",sans-serif;font-size:10.0pt;line-height:115%;mso-bidi-font-size:11.0pt;mso-fareast-font-family:"Helvetica 45 Light";" lang="EN-US">Knowledge of OSS and BSS tools</span></span><span lang="EN-US"><o:p></o:p></span></li><li class="MsoListBulletCxSpMiddle" style="margin-left:72.0pt;mso-add-space:auto;mso-list:l0 level1 lfo1;"><span style="color:black;"><span style="font-family:"Helvetica 45 Light",sans-serif;font-size:10.0pt;line-height:115%;mso-bidi-font-size:11.0pt;mso-fareast-font-family:"Helvetica 45 Light";" lang="EN-US">Understanding of 4G/5G RAN radio networks.</span></span><span lang="EN-US"><o:p></o:p></span></li><li class="MsoListBulletCxSpMiddle" style="margin-left:72.0pt;mso-add-space:auto;mso-list:l0 level1 lfo1;"><span style="color:black;"><span style="font-family:"Helvetica 45 Light",sans-serif;font-size:10.0pt;line-height:115%;mso-bidi-font-size:11.0pt;mso-fareast-font-family:"Helvetica 45 Light";" lang="EN-US">Practical knowledge of IPv4 and IPv6 architectures, including IP routing, QoS, MPLS, and VPN technologies.</span></span><span lang="EN-US"><o:p></o:p></span></li><li class="MsoListBulletCxSpMiddle" style="margin-left:72.0pt;mso-add-space:auto;mso-list:l0 level1 lfo1;"><span style="color:black;"><span style="font-family:"Helvetica 45 Light",sans-serif;font-size:10.0pt;line-height:115%;mso-bidi-font-size:11.0pt;mso-fareast-font-family:"Helvetica 45 Light";" lang="EN-US">Awareness of security measures and technologies pertinent to mobile core networks.</span></span><span lang="EN-US"><o:p></o:p></span></li><li class="MsoListBulletCxSpMiddle" style="margin-left:72.0pt;mso-add-space:auto;mso-list:l0 level1 lfo1;"><span style="color:black;"><span style="font-family:"Helvetica 45 Light",sans-serif;font-size:10.0pt;line-height:115%;mso-bidi-font-size:11.0pt;mso-fareast-font-family:"Helvetica 45 Light";" lang="EN-US">Ability to coordinate and manage technical activities</span></span><span lang="EN-US">.<o:p></o:p></span></li><li class="MsoListBulletCxSpMiddle" style="margin-left:72.0pt;mso-add-space:auto;mso-list:l0 level1 lfo1;"><span style="color:black;"><span style="font-family:"Helvetica 45 Light",sans-serif;font-size:10.0pt;line-height:115%;mso-bidi-font-size:11.0pt;mso-fareast-font-family:"Helvetica 45 Light";" lang="EN-US">Ability to manage supplier relationships.</span></span><span lang="EN-US"><o:p></o:p></span></li><li class="MsoListBulletCxSpMiddle" style="margin-left:72.0pt;mso-add-space:auto;mso-list:l0 level1 lfo1;"><span style="color:black;"><span style="font-family:"Helvetica 45 Light",sans-serif;font-size:10.0pt;line-height:115%;mso-bidi-font-size:11.0pt;mso-fareast-font-family:"Helvetica 45 Light";" lang="EN-US">Ability to prioritize tasks and meet tight deadlines.</span></span><span lang="EN-US"><o:p></o:p></span></li><li class="MsoListBulletCxSpMiddle" style="margin-left:72.0pt;mso-add-space:auto;mso-list:l0 level1 lfo1;"><span style="color:black;"><span style="font-family:"Helvetica 45 Light",sans-serif;font-size:10.0pt;line-height:115%;mso-bidi-font-size:11.0pt;mso-fareast-font-family:"Helvetica 45 Light";" lang="EN-US">Demonstrated rigor, curiosity, and attention to detail in technical tasks.</span></span><span lang="EN-US"><o:p></o:p></span></li><li class="MsoListBulletCxSpMiddle" style="margin-left:72.0pt;mso-add-space:auto;mso-list:l0 level1 lfo1;"><span style="color:black;"><span style="font-family:"Helvetica 45 Light",sans-serif;font-size:10.0pt;line-height:115%;mso-bidi-font-size:11.0pt;mso-fareast-font-family:"Helvetica 45 Light";" lang="EN-US">Effective communication skills to translate client needs into technical requirements.</span></span><span lang="EN-US"><o:p></o:p></span></li><li class="MsoListBulletCxSpMiddle" style="margin-left:72.0pt;mso-add-space:auto;mso-list:l0 level1 lfo1;"><span style="color:black;"><span style="font-family:"Helvetica 45 Light",sans-serif;font-size:10.0pt;line-height:115%;mso-bidi-font-size:11.0pt;mso-fareast-font-family:"Helvetica 45 Light";" lang="EN-US">Active participation in collaborative solution design.</span></span><span lang="EN-US"><o:p></o:p></span></li><li class="MsoListBulletCxSpMiddle" style="margin-left:72.0pt;mso-add-space:auto;mso-list:l0 level1 lfo1;"><span style="color:black;"><span style="font-family:"Helvetica 45 Light",sans-serif;font-size:10.0pt;line-height:115%;mso-bidi-font-size:11.0pt;mso-fareast-font-family:"Helvetica 45 Light";" lang="EN-US">Strong interpersonal skills and a collaborative spirit.</span></span><span lang="EN-US"><o:p></o:p></span></li><li class="MsoListBulletCxSpMiddle" style="margin-left:72.0pt;mso-add-space:auto;mso-list:l0 level1 lfo1;"><span style="color:black;"><span style="font-family:"Helvetica 45 Light",sans-serif;font-size:10.0pt;line-height:115%;mso-bidi-font-size:11.0pt;mso-fareast-font-family:"Helvetica 45 Light";" lang="EN-US">A solid understanding of the importance of delivering high-quality products within established costs and timelines.</span></span><span lang="EN-US"><o:p></o:p></span></li><li class="MsoListBulletCxSpMiddle" style="margin-left:72.0pt;mso-add-space:auto;mso-list:l0 level1 lfo1;"><span style="color:black;"><span style="font-family:"Helvetica 45 Light",sans-serif;font-size:10.0pt;line-height:115%;mso-bidi-font-size:11.0pt;mso-fareast-font-family:"Helvetica 45 Light";" lang="EN-US">A commitment to continuous learning and staying up-to-date with technological advancements.</span></span><span lang="EN-US"><o:p></o:p></span></li><li class="MsoListBulletCxSpLast" style="margin-left:72.0pt;mso-add-space:auto;mso-list:l0 level1 lfo1;"><span style="color:black;"><span style="font-family:"Helvetica 45 Light",sans-serif;font-size:10.0pt;line-height:115%;mso-bidi-font-size:11.0pt;mso-fareast-font-family:"Helvetica 45 Light";" lang="EN-US">Proficient in English, both spoken and written.</span></span><span lang="EN-US"><o:p></o:p><o:p></o:p><o:p></o:p><o:p></o:p></span></li></ul><p><span style="color:black;"><b style="mso-bidi-font-weight:normal;"><span style="font-family:"Helvetica 45 Light",sans-serif;font-size:10.0pt;line-height:115%;mso-bidi-font-size:11.0pt;mso-fareast-font-family:"Helvetica 45 Light";" lang="EN-US"><strong>Education:</strong></span></b></span><span lang="EN-US"><o:p></o:p></span><br><span style="color:black;"><span style="font-family:"Helvetica 45 Light",sans-serif;font-size:10.0pt;line-height:115%;mso-bidi-font-size:11.0pt;mso-fareast-font-family:"Helvetica 45 Light";" lang="EN-US">Graduate degree in Software Engineering, Telecommunications Engineering, or a related field.</span></span><span lang="EN-US"><o:p></o:p><o:p></o:p></span></p><p><span style="color:black;"><span style="font-family:"Helvetica 45 Light",sans-serif;font-size:10.0pt;line-height:115%;mso-bidi-font-size:11.0pt;mso-fareast-font-family:"Helvetica 45 Light";" lang="EN-US">A minimum of 5 to 8 years of proven experience in telecommunications focused on mobile core networks.</span></span></p><p><span style="color:black;"><span style="font-family:"Helvetica 45 Light",sans-serif;font-size:10.0pt;line-height:115%;mso-bidi-font-size:11.0pt;mso-bidi-font-weight:bold;mso-fareast-font-family:"Helvetica 45 Light";" lang="EN-US">The role requires work in shifts (24/7 operation)</span></span></p>À propos de vous<p><p class="MsoNormal"><span style="font-family:"Helvetica 45 Light",sans-serif;font-size:10.0pt;line-height:115%;" lang="EN-US">Within </span><span style="color:#E36C0A;"><span style="font-family:"Helvetica 45 Light",sans-serif;font-size:10.0pt;line-height:115%;mso-themecolor:accent6;mso-themeshade:191;" lang="EN-US">OINIS/ Services</span></span><span style="font-family:"Helvetica 45 Light",sans-serif;font-size:10.0pt;line-height:115%;" lang="EN-US">, the “</span><span style="color:#E36C0A;"><span style="font-family:"Helvetica 45 Light",sans-serif;font-size:10.0pt;line-height:115%;mso-themecolor:accent6;mso-themeshade:191;" lang="EN-US">Mobile Services</span></span><span style="font-family:"Helvetica 45 Light",sans-serif;font-size:10.0pt;line-height:115%;" lang="EN-US">” department is responsible for the architecture, engineering, the construction, deployment and operation of all international mobile services (roaming, messaging, 5G CNaaS), which are one of the growth drivers for international wholesale. The department's ambition is to drive the software transformation of mobile services as part of the move to 5G.<o:p></o:p></span></p><p class="MsoNormal"><span style="font-family:"Helvetica 45 Light",sans-serif;font-size:10.0pt;line-height:115%;" lang="EN-US">The </span><span style="color:#E36C0A;"><span style="font-family:"Helvetica 45 Light",sans-serif;font-size:10.0pt;line-height:115%;mso-themecolor:accent6;mso-themeshade:191;" lang="EN-US">Mobile Core Network</span></span><span style="font-family:"Helvetica 45 Light",sans-serif;font-size:10.0pt;line-height:115%;" lang="EN-US">Team is in charge of the architecture, engineering, deployment and operation of the mobile core network. The team is providi