L3 Security Operations Expert

<p><strong>Publication date :</strong> Sep 14, 2025, 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 style='font-size:16px'>Join us at Orange Business!<br>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.<br>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">Location: Cairo<o:p></o:p></p><p class="MsoNormal">Team setup: Dedicated Model for 1 Large Customer<o:p></o:p></p><p class="MsoNormal">Customer Business: a global integrated energy company</p><p class="MsoNormal"></p><p class="MsoNormal">***</p><p class="MsoNormal">French: Minimum B2 level (spoken) – required<o:p></o:p></p><p class="MsoNormal">English: Strong written and spoken skills required – equivalent to B2 or higher</p><p class="MsoNormal">***<strong><o:p></o:p></strong></p><p class="MsoNormal"></p><p class="MsoNormal">Team Mission:<o:p></o:p></p><p class="MsoNormal"></p><p class="MsoNormal">To maintain service continuity and operational excellence by providing expert support and technical guidance for cybersecurity technologies protecting the Customer industrial infrastructure and services.<o:p></o:p></p><p class="MsoNormal"></p><p class="MsoNormal">Interlock:<o:p></o:p></p><p class="MsoNormal"></p><p class="MsoNormal">Direct collaboration with L2 Engineers, Team Manager, and peer N3s in France &Cairo.<o:p></o:p></p><p class="MsoNormal"></p><p class="MsoNormal">Technical interaction with Security operations and project deployment teams.<o:p></o:p></p><p class="MsoNormal"></p><p class="MsoNormal">Occasional coordination with the Customer security governance teams.<o:p></o:p></p><p class="MsoNormal"></p><p class="MsoNormal">Roles and Responsibilities:<o:p></o:p></p><p class="MsoNormal"></p><p class="MsoNormal">Provide expert-level troubleshooting for complex and escalated incidents.<o:p></o:p></p><p class="MsoNormal"></p><p class="MsoNormal">Validate and instruct complex changes applied by L2 engineers.<o:p></o:p></p><p class="MsoNormal"></p><p class="MsoNormal">Support infrastructure optimization and performance tuning.<o:p></o:p></p><p class="MsoNormal"></p><p class="MsoNormal">Create and maintain documentation, playbooks, and standard operating procedures.<o:p></o:p></p><p class="MsoNormal"></p><p class="MsoNormal">Act as a technical reference for L2 Engineers – mentor and support their development.<o:p></o:p></p><p class="MsoNormal"></p><p class="MsoNormal">Participate in the planning of system upgrades and migrations.<o:p></o:p></p><p class="MsoNormal"></p><p class="MsoNormal">Collaborate in cross-team knowledge sharing and continuous improvement efforts.<o:p></o:p></p><p class="MsoNormal"></p><p class="MsoNormal"><strong>Key Responsibilities</strong>:<o:p></o:p></p><p class="MsoNormal"><strong>Customer-Specific Support</strong>:<o:p></o:p></p><ul><li class="MsoNormal" style="mso-list:l5 level1 lfo1;tab-stops:list .5in;">Provide dedicated L3 support for a single key customer across multiple security technologies.<o:p></o:p></li><li class="MsoNormal" style="mso-list:l5 level1 lfo1;tab-stops:list .5in;">Act as the technical escalation point for complex incidents and service-impacting issues specific to this customer.<o:p></o:p></li><li class="MsoNormal" style="mso-list:l5 level1 lfo1;tab-stops:list .5in;">Directly engage with the customer’s vendors to ensure fault resolution within defined SLAs.<o:p></o:p></li></ul><p class="MsoNormal"><strong>Release Validation and Vendor Coordination</strong>:<o:p></o:p></p><ul><li class="MsoNormal" style="mso-list:l3 level1 lfo2;tab-stops:list .5in;">Act as the engineering point of contact for validating new software and firmware releases for the customer’s security devices, ensuring compatibility and production readiness.<o:p></o:p></li><li class="MsoNormal" style="mso-list:l3 level1 lfo2;tab-stops:list .5in;">Perform release testing and escalation follow-ups with vendors, ensuring releases meet customer-specific requirements and do not impact critical services.<o:p></o:p></li></ul><p class="MsoNormal"><strong>On-Call Support</strong>:<o:p></o:p></p><ul><li class="MsoNormal" style="mso-list:l0 level1 lfo3;tab-stops:list .5in;">Provide on-call support during critical incidents, ensuring quick resolution and minimal impact on the customer’s operations.<o:p></o:p></li><li class="MsoNormal" style="mso-list:l0 level1 lfo3;tab-stops:list .5in;">Be available for escalations and urgent support requests during off-hours and weekends<o:p></o:p></li></ul><p class="MsoNormal"><strong>Knowledge Sharing and Team Development</strong>:<o:p></o:p></p><ul><li class="MsoNormal" style="mso-list:l2 level1 lfo4;tab-stops:list .5in;">Act as a technical reference for both the internal team and external stakeholders within the customer’s organization.<o:p></o:p></li><li class="MsoNormal" style="mso-list:l2 level1 lfo4;tab-stops:list .5in;">Mentor team members and collaborate with cross-functional teams to facilitate knowledge sharing and training.<o:p></o:p></li></ul><p class="MsoNormal"><strong>Proactive Problem Management</strong>:<o:p></o:p></p><ul><li class="MsoNormal" style="mso-list:l1 level1 lfo5;tab-stops:list .5in;">Resolve recurring issues by performing root cause analysis and designing corrective action plans.<o:p></o:p></li><li class="MsoNormal" style="mso-list:l1 level1 lfo5;tab-stops:list .5in;">Execute Service Improvement Plans (SIPs) and ensure proactive measures are taken to prevent service disruptions.<o:p></o:p></li></ul><p class="MsoNormal"><strong>Escalation Management</strong>:<o:p></o:p></p><ul><li class="MsoNormal" style="mso-list:l4 level1 lfo6;tab-stops:list .5in;">Lead technical and management escalations to ensure timely resolution of security-related tasks for the customer.<o:p></o:p></li><li class="MsoNormal" style="mso-list:l4 level1 lfo6;tab-stops:list .5in;">Keep management informed about critical issues and escalating challenges.<o:p></o:p></li></ul><p class="MsoNormal"><strong>General Responsibilities</strong>:<o:p></o:p></p><ul><li class="MsoNormal" style="mso-list:l6 level1 lfo7;tab-stops:list .5in;">Perform onboarding of new team members and facilitate smooth integration into the customer’s environment.<o:p></o:p></li><li class="MsoNormal" style="mso-list:l6 level1 lfo7;tab-stops:list .5in;">Contribute to the customer handover process, especially for specialized processes or custom security solutions.<o:p></o:p></li><li class="MsoNormal" style="mso-list:l6 level1 lfo7;tab-stops:list .5in;">Align day-to-day activities with the team vision and the customer’s operational goals.<o:p></o:p></li></ul></p></p></p></p>About you<p></p><p class="MsoNormal">Required Qualifications:<o:p></o:p></p><p class="MsoNormal"></p><p class="MsoNormal">Education: Bachelor’s or Master’s in Cybersecurity, Network Engineering, or similar.<o:p></o:p></p><p class="MsoNormal">Experience: 6-10 years in security operations or infrastructure support with increasing responsibility.<o:p></o:p></p><p class="MsoNormal"></p><p class="MsoNormal">Certifications/Skills (preferred):<o:p></o:p></p><p class="MsoNormal"></p><p class="MsoNormal"></p><p class="MsoNormal">Wallix (Remote Access and PAM)<o:p></o:p></p><p class="MsoNormal">Trellix ePO<o:p></o:p></p><p class="MsoNormal">Cybereason (EDR)<o:p></o:p></p><p class="MsoNormal">Zscaler (Branch Connector)</p><p class="MsoNormal">MS Defender, WSUS</p><p class="MsoNormal">Infoblox (NTP)<o:p></o:p></p><p class="MsoNormal">Windows/Linux advanced system administration<o:p></o:p></p><p class="MsoNormal">Expertise in firewall/network administration<o:p></o:p></p><p class="MsoNormal">Syncovery (backup)<o:p></o:p></p><p class="MsoNormal">Silversield (data transfer)<o:p></o:p></p><p class="MsoNormal">SIOTH (orchestrator)<o:p></o:p></p><p class="MsoNormal">Qlikview (Reporting/dashboard)<o:p></o:p></p><p class="MsoNormal"></p><p class="MsoNormal">Coverage:<o:p></o:p></p><p class="MsoNormal"></p><p class="MsoNormal">8am-7pm 5 days a week on French and Belgian working days<o:p></o:p></p><p class="MsoNormal">Standby arrangement for major events (GOLD level services only)<o:p></o:p></p><p class="MsoNormal"></p><p class="MsoNormal">Languages:<o:p></o:p></p><p class="MsoNormal"></p><p class="MsoNormal"></p><p class="MsoNormal">French: Minimum B2 level (spoken) – required for internal coordination and meetings<o:p></o:p></p><p class="MsoNormal">English: Strong written and spoken skills required – equivalent to B2 or higher<o:p></o:p></p></p></p></p> <p><p style='font-size:16px'><p style='font-size:16px;11px'></p></p></p></p>What we offer<p><p style=font-size:16px><strong>• Global Opportunities:</strong> Work in multi-national teams with opportunity to collaborate with colleagues and customers from all over the world. <br><strong>• Flexible Work Environment:</strong> Flexible working hours and possibility to combine work from office and home (hybrid ways of working). <br><strong>• Professional Development:</strong> training programs and upskilling/re-skilling opportunities. <br><strong>• Career Growth:</strong> Internal growth and mobility opportunities within Orange. <br><strong>• Caring and Daring Culture:</strong> Health and well-being programs and benefits, diversity & inclusion initiatives, CSR and employee connect events. <br><strong>• Reward Programs:</strong> Employee Referral Program, Change Maker Awards. </p></p>Only your skills matterRegardless of your age, gender identity, race, ethnic origin, religion/belief, sexual orientation, marital status, neurotype, 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:8px;"> Regardless of your age, gender, origin, religion, sexual orientation, neurodiversity, disability, or appearance, we actively encourage diversity within our teams, as it is both a collective strength and a driver of innovation. Orange is a disability-friendly company: please feel free to let us know about any specific needs you may have. </p>