Network and security L2

OrganizationType of position : CDITime : Full timeLocation: Tour Hekla - la défense ParisSupervisor: Head of Global InfrastructureContextLynxeo, formerly part of the Nexans Group, specializes in designing and manufacturing cables and technology solutions for global industrial leaders such as RATP, Siemens, CRRC, HHI, Airbus, Vestas, and Engie. With over 125 years of expertise, we have built a strong presence across diverse sectors including railways, shipbuilding, automation, aerospace, healthcare, renewable energy, and nuclear power.We operate 20 sites across 4 continents (France, Germany, Italy, Spain, Poland, Denmark, Morocco, China, Korea, Singapore, and the US) with a global workforce of over 2,000 professionals. Generating annual sales exceeding €700 million, Lynxeo is a global player in specialty industrial cables. Together with our customers, we tackle the most pressing challenges of our time: accelerating the transition to sustainable energy, advancing sustainable mobility, and driving industrial digitalization.Within this position, you will be part of the Global IT Infrastructure Center of Excellence (>100 people internal and external) within Lynxeo IS department which is in charge of managing globally Operations, Production, Projects and Strategy for IT infrastructure. You'll arrive in a context of highly visible transformation Program requiring strong capacity of adaptation and aptitude for change. You'll get interactions with the Hosting/Platform/Cloud team, application teams, regional teams. 2,500 computers, 20 sites (90% of plants), 2 datacenters, about 400 applications.PurposeWe are looking for talent with strong technical skills who can support Lynxeo corporate and worldwide Network and security landscape (Switches, Firewalls, WAF, ...). He/she will work in close relationship with other teams to maintain the available solutions to help our Business. Groups realise our Service-oriented Digital Transformation. He/she will need to demonstrate strong technical skills and experience managing parallel actions, with full control of the scope he/she's managing (technical, inventory, best practices, obsolescence management...)Areas Of ResponsabilitiesResolve service problems by performing Root Cause Analysis (RCA) and designing action plans for unknown errors reported through the Problem Management DashboardPerform solution releases by authorizing, validating (changes, upgrades, updates, patches, and migrations), and implementing themAct as the L2 level function and manage communication with vendors in case of problems, patches, and maintenanceEnsure to keep the SMBD up to date by adding/modifying CI as implied by incidents, changes, and release processesPerform technical and management escalations as implied by the escalation process to ensure network and security tasks are progressing toward resolution and/or completion.Provide second line support and escalation of helpdesk tickets to our users, working accordingly to the SLA'sProvide remote support and change management assistance to our user base on an 8x5 basis as requiredEnsure that users are updated continuously on the status of their issues and that user's satisfaction is maintained at a high levelTypical services are LAN, WAN, IT/OT (Operational Technology) firewalls, infra as a code, Firewall rules automation)Technical implementation of standard, complex, urgent ChangesIntegration of Changes in the ticketing toolPlanning of Changes (implementation chronograms)Participation in Change Advisory Board (CAB) meetingsImplementation of Changes in Business Hours (BH) and Non-Business Hours (NBH)Update of technical reference documents and associated databases (Diagrams, operating procedures, CMDB, etc.)Contribution to the Security processes / workflows, (e.g., Firewall rules)Handling of routine production tasks (regular checks, inventory, monitoring, backup, maintenance...)Incident / crisis managementWriting of incident reports and root-cause analysisContribution to the definition of sustainable solutions - technical and CSR (Corporate & Social Responsibility)orientedEnsure the Configuration Management DataBase (CMDB) is up to dateNetwork monitoring activities via corporate monitoring toolExpected resultsStrong collaboration with other technical experts, on his scope of referenceShare the info with Level 3 engineersReporting to the Network and Security ManagerGood tickets' backlog management (incidents & changes)Continuous improvement (monitoring, operating instructions, etc.)RequiredRequired Skills and qualificationsMore than 5 years' experienceExperience in international, multi-site and multi-cultural environmentsGood knowledge of Agile principlesProven experience or capacity to demonstrate ability to learn on the jobStrong Team spiritFluent EnglishAdvanced knowledge of Cisco (Switching and Meraki) ; CCNA and CCNP will be appreciatedAdvanced knowledge on Fortinet (Fortigate, Fortimanager, Fortinanalyzer, Forti authenticator, EMS)Knowledge in Network as Code / automation / scripting (Ansible, Terraform, Python or other)PreferredSolid understanding of networking technologies, LAN/WAN, routing, switching, IP sub-netting, and will possess a good understanding of the 7-layer OSI model and associated protocolAdvanced knowledge of Zscaler (ZIA, ZPA, Cloud firewall) or similar technologiesAdvanced knowledge of Forcepoint (SD-WAN)Technical hands-on experience in Network as Code / automation / scripting will be a strong differentiator,Knowledge of industrial context and OT is a plus however, the mindset of the candidate is more important than the actual knowledge, which can be acquired on the job and through trainingSoft SkillsAnalytical and problem-solving skillsCreativeSolution-oriented and pragmaticConcerned with making things workAbility to communicate and cooperate clearly and concisely, both orally and in writingCuriosity, integrity, freedom of thought, discernment and respect for othersFun to work withAt Lynxeo, we're ready to electrify industry. This means supporting our clients with customized cabling and connectivity solutions that meet all their energy, data transmission, and automation needs. Lynxeo recognizes the differences that make each employee valuable and unique. Diversity is key to performance and our overall ambition to lead the world in the energy transition toward a sustainable planet.