Presales Technical Engineer

<p><strong>Publication date :</strong> Feb 03, 2026, 12:00AM</p>Orange Business is here!<p style="margin: 0px;"><iframe src="//www.youtube.com/embed/wKOvRVIoi0s?controls=0" width="560" height="314" allowfullscreen="allowfullscreen"></iframe></p>About us<p class="MsoNormal">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>About the role<p><p class="MsoNormal"><span style="font-family:"Calibri",sans-serif;"><strong>Mission</strong></span><span style="font-family:"Calibri",sans-serif;mso-ansi-language:EN-GB;" lang="EN-GB"><o:p></o:p></span></p><p class="MsoNormal"><span style="font-family:"Calibri",sans-serif;">The main mission of the Presales Technical Engineer is to create detailed technical solutions that align with customer needs and drive successful sales outcomes. Key objectives include providing exceptional technical guidance, fostering strong customer relationships, and ensuring seamless collaboration with internal teams to deliver high-quality proposals and support.</span><span style="font-family:"Calibri",sans-serif;mso-ansi-language:EN-GB;" lang="EN-GB"><o:p></o:p></span></p><p class="MsoNormal"><span style="font-family:"Calibri",sans-serif;"><strong>Main activities</strong></span><span style="font-family:"Calibri",sans-serif;mso-ansi-language:EN-GB;" lang="EN-GB"><o:p></o:p></span></p><ul><li><span style="font-family:"Calibri",sans-serif;">Analyze customer RFPs and requirements to design technical solutions that meet their needs.</span><span style="font-family:"Calibri",sans-serif;mso-ansi-language:EN-GB;" lang="EN-GB"><o:p></o:p></span></li><li><span style="font-family:"Calibri",sans-serif;">Prepare and deliver detailed technical proposals, including solution architecture, sizing, and integration plans.</span><span style="font-family:"Calibri",sans-serif;mso-ansi-language:EN-GB;" lang="EN-GB"><o:p></o:p></span></li><li><span style="font-family:"Calibri",sans-serif;">Participate in meetings with customers alongside sales and marketing teams to present and explain technical solutions.</span><span style="font-family:"Calibri",sans-serif;mso-ansi-language:EN-GB;" lang="EN-GB"><o:p></o:p></span></li><li><span style="font-family:"Calibri",sans-serif;">Conduct technical workshops, product demonstrations, and proof-of-concept sessions for customers.</span><span style="font-family:"Calibri",sans-serif;mso-ansi-language:EN-GB;" lang="EN-GB"><o:p></o:p></span></li><li><span style="font-family:"Calibri",sans-serif;">Act as a technical advisor during the sales cycle, addressing customer questions and objections.</span><span style="font-family:"Calibri",sans-serif;mso-ansi-language:EN-GB;" lang="EN-GB"><o:p></o:p></span></li><li><span style="font-family:"Calibri",sans-serif;">Coordinate with internal teams (engineering, product, delivery) to validate the feasibility and alignment of proposed solutions.</span><span style="font-family:"Calibri",sans-serif;mso-ansi-language:EN-GB;" lang="EN-GB"><o:p></o:p></span></li><li><span style="font-family:"Calibri",sans-serif;">Support the transition from presales to delivery by providing knowledge transfer and technical support to project teams.</span><span style="font-family:"Calibri",sans-serif;mso-ansi-language:EN-GB;" lang="EN-GB"><o:p></o:p></span></li></ul></p>About you<p><div class="OutlineElement Ltr SCXW60383767 BCX8" style="-webkit-tap-highlight-color:transparent;-webkit-text-stroke-width:0px;-webkit-user-drag:none;background-color:rgb(255, 255, 255);clear:both;color:rgb(0, 0, 0);cursor:text;direction:ltr;font-family:"Segoe UI", "Segoe UI Web", Arial, Verdana, sans-serif;font-size:12px;font-style:normal;font-variant-caps:normal;font-variant-ligatures:normal;font-weight:400;letter-spacing:normal;margin:0px;orphans:2;overflow:visible;padding:0px;position:relative;text-align:start;text-decoration-color:initial;text-decoration-style:initial;text-decoration-thickness:initial;text-indent:0px;text-transform:none;user-select:text;white-space:normal;widows:2;word-spacing:0px;"><p class="Paragraph SCXW60383767 BCX8" style="-webkit-tap-highlight-color:transparent;-webkit-user-drag:none;background-color:transparent;color:windowtext;font-kerning:none;font-style:normal;font-weight:normal;margin:6.66667px 0px 13.3333px;overflow-wrap:break-word;padding:0px;text-align:justify;text-indent:0px;user-select:text;vertical-align:baseline;white-space:pre-wrap;" paraid="933356331" paraeid="{b4290f60-476e-4f81-a32e-2def7040e55a}{55}"><span class="TextRun SCXW60383767 BCX8 NormalTextRun" style="-webkit-tap-highlight-color:transparent;-webkit-user-drag:none;font-family:"Helvetica 45 Light", "Helvetica 45 Light_EmbeddedFont", "Helvetica 45 Light_MSCustomFont", "Helvetica 45 Light_MSFontService", sans-serif;font-size:10pt;font-variant-ligatures:none !important;line-height:17.25px;margin:0px;padding:0px;user-select:text;" data-contrast="auto" xml:lang="EN-US" lang="EN-US">Within </span><span style="color:rgb(255,102,0);"><span class="TextRun SCXW60383767 BCX8 NormalTextRun" style="-webkit-tap-highlight-color:transparent;-webkit-user-drag:none;font-family:"Helvetica 45 Light", "Helvetica 45 Light_EmbeddedFont", "Helvetica 45 Light_MSCustomFont", "Helvetica 45 Light_MSFontService", sans-serif;font-size:10pt;font-variant-ligatures:none !important;line-height:17.25px;margin:0px;padding:0px;user-select:text;" data-contrast="none" xml:lang="EN-US" lang="EN-US"><strong>OINIS/Services</strong></span></span><span class="TextRun SCXW60383767 BCX8 NormalTextRun" style="-webkit-tap-highlight-color:transparent;-webkit-user-drag:none;font-family:"Helvetica 45 Light", "Helvetica 45 Light_EmbeddedFont", "Helvetica 45 Light_MSCustomFont", "Helvetica 45 Light_MSFontService", sans-serif;font-size:10pt;font-variant-ligatures:none !important;line-height:17.25px;margin:0px;padding:0px;user-select:text;" data-contrast="auto" xml:lang="EN-US" lang="EN-US">, the </span><span style="color:rgb(255,102,0);"><span class="TextRun SCXW60383767 BCX8 NormalTextRun" style="-webkit-tap-highlight-color:transparent;-webkit-user-drag:none;font-family:"Helvetica 45 Light", "Helvetica 45 Light_EmbeddedFont", "Helvetica 45 Light_MSCustomFont", "Helvetica 45 Light_MSFontService", sans-serif;font-size:10pt;font-variant-ligatures:none !important;line-height:17.25px;margin:0px;padding:0px;user-select:text;" data-contrast="none" xml:lang="EN-US" lang="EN-US"><strong>“Mobile Services”</strong></span></span><span class="TextRun SCXW60383767 BCX8 NormalTextRun" style="-webkit-tap-highlight-color:transparent;-webkit-user-drag:none;font-family:"Helvetica 45 Light", "Helvetica 45 Light_EmbeddedFont", "Helvetica 45 Light_MSCustomFont", "Helvetica 45 Light_MSFontService", sans-serif;font-size:10pt;font-variant-ligatures:none !important;line-height:17.25px;margin:0px;padding:0px;user-select:text;" data-contrast="auto" xml:lang="EN-US" lang="EN-US"> department is responsible for the architecture, engineering, the construction, deployment and operation of all international mobile services (roaming, messaging, 5G </span><span class="TextRun SCXW60383767 BCX8 NormalTextRun SpellingErrorV2Themed" style="-webkit-tap-highlight-color:transparent;-webkit-user-drag:none;background-image:url("data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSI1IiBoZWlnaHQ9IjQiPjxnIGZpbGw9Im5vbmUiIGZpbGwtcnVsZT0iZXZlbm9kZCI+PHBhdGggc3Ryb2tlPSIjRUIwMDAwIiBkPSJNMCAzYzEuMjUgMCAxLjI1LTIgMi41LTJTMy43NSAzIDUgMyIvPjxwYXRoIGQ9Ik0wIDBoNXY0SDB6Ii8+PC9nPjwvc3ZnPg==");background-position:0px 100%;background-repeat:repeat-x;border-bottom:1px solid transparent;font-family:"Helvetica 45 Light", "Helvetica 45 Light_EmbeddedFont", "Helvetica 45 Light_MSCustomFont", "Helvetica 45 Light_MSFontService", sans-serif;font-size:10pt;font-variant-ligatures:none !important;line-height:17.25px;margin:0px;padding:0px;user-select:text;" data-contrast="auto" xml:lang="EN-US" lang="EN-US">CNaaS</span><span class="TextRun SCXW60383767 BCX8 NormalTextRun" style="-webkit-tap-highlight-color:transparent;-webkit-user-drag:none;font-family:"Helvetica 45 Light", "Helvetica 45 Light_EmbeddedFont", "Helvetica 45 Light_MSCustomFont", "Helvetica 45 Light_MSFontService", sans-serif;font-size:10pt;font-variant-ligatures:none !important;line-height:17.25px;margin:0px;padding:0px;user-select:text;" data-contrast="auto" xml:lang="EN-US" lang="EN-US">), 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.</span><span class="EOP SCXW60383767 BCX8" style="-webkit-tap-highlight-color:transparent;-webkit-user-drag:none;font-family:"Helvetica 45 Light", "Helvetica 45 Light_EmbeddedFont", "Helvetica 45 Light_MSCustomFont", "Helvetica 45 Light_MSFontService", sans-serif;font-size:10pt;line-height:17.25px;margin:0px;padding:0px;user-select:text;" data-ccp-props="{"335551550":6,"335551620":6,"335559738":100}"></span></p></div><div class="OutlineElement Ltr SCXW60383767 BCX8" style="-webkit-tap-highlight-color:transparent;-webkit-text-stroke-width:0px;-webkit-user-drag:none;background-color:rgb(255, 255, 255);clear:both;color:rgb(0, 0, 0);cursor:text;direction:ltr;font-family:"Segoe UI", "Segoe UI Web", Arial, Verdana, sans-serif;font-size:12px;font-style:normal;font-variant-caps:normal;font-variant-ligatures:normal;font-weight:400;letter-spacing:normal;margin:0px;orphans:2;overflow:visible;padding:0px;position:relative;text-align:start;text-decoration-color:initial;text-decoration-style:initial;text-decoration-thickness:initial;text-indent:0px;text-transform:none;user-select:text;white-space:normal;widows:2;word-spacing:0px;"><p class="Paragraph SCXW60383767 BCX8" style="-webkit-tap-highlight-color:transparent;-webkit-user-drag:none;background-color:transparent;color:windowtext;font-kerning:none;font-style:normal;font-weight:normal;margin:6.66667px 0px 13.3333px;overflow-wrap:break-word;padding:0px;text-align:justify;text-indent:0px;user-select:text;vertical-align:baseline;white-space:pre-wrap;" paraid="1362595283" paraeid="{b4290f60-476e-4f81-a32e-2def7040e55a}{69}"><span class="TextRun SCXW60383767 BCX8 NormalTextRun" style="-webkit-tap-highlight-color:transparent;-webkit-user-drag:none;font-family:"Helvetica 45 Light", "Helvetica 45 Light_EmbeddedFont", "Helvetica 45 Light_MSCustomFont", "Helvetica 45 Light_MSFontService", sans-serif;font-size:10pt;font-variant-ligatures:none !important;line-height:17.25px;margin:0px;padding:0px;user-select:text;" data-contrast="auto" xml:lang="EN-US" lang="EN-US">The </span><span style="color:rgb(255,102,0);"><span class="TextRun SCXW60383767 BCX8 NormalTextRun" style="-webkit-tap-highlight-color:transparent;-webkit-user-drag:none;font-family:"Helvetica 45 Light", "Helvetica 45 Light_EmbeddedFont", "Helvetica 45 Light_MSCustomFont", "Helvetica 45 Light_MSFontService", sans-serif;font-size:10pt;font-variant-ligatures:none !important;line-height:17.25px;margin:0px;padding:0px;user-select:text;" data-contrast="none" xml:lang="EN-US" lang="EN-US"><strong>Mobile Core Network </strong></span></span><span class="TextRun SCXW60383767 BCX8 NormalTextRun" style="-webkit-tap-highlight-color:transparent;-webkit-user-drag:none;font-family:"Helvetica 45 Light", "Helvetica 45 Light_EmbeddedFont", "Helvetica 45 Light_MSCustomFont", "Helvetica 45 Light_MSFontService", sans-serif;font-size:10pt;font-variant-ligatures:none !important;line-height:17.25px;margin:0px;padding:0px;user-select:text;" data-contrast="auto" xml:lang="EN-US" lang="EN-US">Team oversees the architecture, engineering, deployment, and operation of the mobile core network.</span><span class="EOP SCXW60383767 BCX8" style="-webkit-tap-highlight-color:transparent;-webkit-user-drag:none;font-family:"Helvetica 45 Light", "Helvetica 45 Light_EmbeddedFont", "Helvetica 45 Light_MSCustomFont", "Helvetica 45 Light_MSFontService", sans-serif;font-size:10pt;line-height:17.25px;margin:0px;padding:0px;user-select:text;" data-ccp-props="{"335551550":6,"335551620":6,"335559738":100}"></span></p></div></p>What we offer<p><p class="MsoNormal"><span style="font-family:"Calibri",sans-serif;"><strong>Key Skills, Knowledge and Abilities</strong></span><span style="font-family:"Calibri",sans-serif;mso-ansi-language:EN-GB;" lang="EN-GB"><o:p></o:p></span></p><p class="MsoNormal"><span style="font-family:"Calibri",sans-serif;"><strong>Required Skills:</strong></span><span style="font-family:"Calibri",sans-serif;mso-ansi-language:EN-GB;" lang="EN-GB"><o:p></o:p></span></p><ul><li><span style="font-family:"Calibri",sans-serif;">Solid understanding of telecom and IT architectures (IP networks, cloud solutions, security, unified communications, etc.).</span><span style="font-family:"Calibri",sans-serif;mso-ansi-language:EN-GB;" lang="EN-GB"><o:p></o:p></span></li><li><span style="font-family:"Calibri",sans-serif;">In-depth knowledge of mobile networks, encompassing protocols, architectures, and interworking capabilities.</span><span style="font-family:"Calibri",sans-serif;mso-ansi-language:EN-GB;" lang="EN-GB"><o:p></o:p></span></li><li><span style="font-family:"Calibri",sans-serif;">Mastery of LTE/5G architectures and engineering concepts. Knowledge of 3GPP standards related to mobile core networks.</span><span style="font-family:"Calibri",sans-serif;mso-ansi-language:EN-GB;" lang="EN-GB"><o:p></o:p></span></li><li><span style="font-family:"Calibri",sans-serif;">Practical experience with key mobile core network elements, including AMF/MME, SMF/SPGW-C, UPF/SPGW-U, and others</span><span style="font-family:"Calibri",sans-serif;mso-ansi-language:EN-GB;" lang="EN-GB"><o:p></o:p></span></li><li><span style="font-family:"Calibri",sans-serif;">Knowledge of OSS and BSS tools</span><span style="font-family:"Calibri",sans-serif;mso-ansi-language:EN-GB;" lang="EN-GB"><o:p></o:p></span></li><li><span style="font-family:"Calibri",sans-serif;">Understanding of 4G/5G RAN radio networks.</span><span style="font-family:"Calibri",sans-serif;mso-ansi-language:EN-GB;" lang="EN-GB"><o:p></o:p></span></li><li><span style="font-family:"Calibri",sans-serif;">Knowledge of IPv4 and IPv6 architectures, including IP routing, QoS, MPLS, and VPN technologies.</span><span style="font-family:"Calibri",sans-serif;mso-ansi-language:EN-GB;" lang="EN-GB"><o:p></o:p></span></li><li><span style="font-family:"Calibri",sans-serif;">Awareness of security measures and technologies pertinent to mobile core networks.</span><span style="font-family:"Calibri",sans-serif;mso-ansi-language:EN-GB;" lang="EN-GB"><o:p></o:p></span></li><li><span style="font-family:"Calibri",sans-serif;">Familiarity with RFP processes, bid management, and presales methodologies.</span><span style="font-family:"Calibri",sans-serif;mso-ansi-language:EN-GB;" lang="EN-GB"><o:p></o:p></span></li><li><span style="font-family:"Calibri",sans-serif;">Experience in designing and sizing technical solutions based on customer requirements.</span><span style="font-family:"Calibri",sans-serif;mso-ansi-language:EN-GB;" lang="EN-GB"><o:p></o:p></span></li><li><span style="font-family:"Calibri",sans-serif;">Proficiency in drafting technical proposals, solution descriptions, and integration plans.</span><span style="font-family:"Calibri",sans-serif;mso-ansi-language:EN-GB;" lang="EN-GB"><o:p></o:p></span></li><li><span style="font-family:"Calibri",sans-serif;">Ability to create and deliver impactful technical presentations and product demonstrations.</span><span style="font-family:"Calibri",sans-serif;mso-ansi-language:EN-GB;" lang="EN-GB"><o:p></o:p></span></li><li><span style="font-family:"Calibri",sans-serif;">Ability to translate business needs into technical specifications and architectures.</span><span style="font-family:"Calibri",sans-serif;mso-ansi-language:EN-GB;" lang="EN-GB"><o:p></o:p></span></li><li><span style="font-family:"Calibri",sans-serif;">Strong analytical and problem-solving skills to address customer challenges.</span><span style="font-family:"Calibri",sans-serif;mso-ansi-language:EN-GB;" lang="EN-GB"><o:p></o:p></span></li><li><span style="font-family:"Calibri",sans-serif;mso-ansi-language:EN-GB;" lang="EN-GB">Excellent communication and presentation skills, able to explain complex technical concepts to both technical and non-technical audiences.<o:p></o:p></span></li><li><span style="font-family:"Calibri",sans-serif;mso-ansi-language:EN-GB;" lang="EN-GB">Organizational skills and attention to detail, capable of managing multiple projects and deadlines simultaneously.<o:p></o:p></span></li><li><span style="font-family:"Calibri",sans-serif;mso-ansi-language:EN-GB;" lang="EN-GB">Resilience and stress management, able to handle pressure during tight deadlines or complex negotiations.<o:p></o:p></span></li><li><span style="font-family:"Calibri",sans-serif;mso-ansi-language:EN-GB;" lang="EN-GB">Fluent in English (French is a plus); additional languages are an asset.<o:p></o:p></span></li></ul></p>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.<p style="font-family:'Helvetica Neue', sans-serif; font-size:20px !important; font-weight:bold!important; margin:0;"> Only your skills matter </p> <p style="font-family:'Helvetica Neue', sans-serif; font-size:16px!important; font-weight:normal !important; margin-top:8