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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Network Support Engineer Level 2 -Data Center - **Company:** Brainotech IT solutions - **Location:** Paris, France - **Experience:** Experienced - **Contract:** Permanent contract - **Skills:** Amazon Web Services, JIRA, Microsoft Azure, Border Gateway Protocol, Catalyst (Software), Cisco PIX, Cloud Computing, Configuration Management, Complex Networks, Data Centers, Dynamic Host Configuration Protocol, Network Address Translation, Domain Name System (DNS), EtherChannel, Firmware, Hot Standby Router Protocol, Network Topologies, Hyper-V, Issue Tracking Systems, Networking Hardware, Internet Protocol Security (IP SEC), Internet Services, Internetworking, Subnetting, Virtual Private Networks (VPN), Multi-protocol Systems, Network Security, Nagios, Network Monitoring, Routing, Cisco Nexus Switches, Open Shortest Path First (OSPF), Paessler Router Traffic Grapher, Remote Access Technology, TCP/IP, Virtual Local Area Networks, Virtual Router Redundancy Protocols, Wide Area Networks, WAN Optimization, Wireless Networks, Zabbix, Enterprise Data Management, Network Routers, Load Balancing, System Availability, Firewalls (Computer Science), Juniper, Data Center Networking, SolarWinds (Software), Network Support, Palo Alto Networks, Performance Monitor, Fortinet, Cisco, SSL VPN, Servicenow, ManageEngine, Vmware - **Published:** July 3, 2026 - **Apply:** https://fr.indeed.com/viewjob?jk=3784c1a94d780c2a ## About the Role * Strong understanding of TCP/IP, DNS, DHCP, NAT, VLANs, Subnetting, STP, OSPF, BGP, VRRP/HSRP, ACLs, QoS, and MPLS. * Experience configuring and troubleshooting enterprise routing and switching environments. * Knowledge of enterprise wireless technologies and controllers. Data Center Technologies * Experience supporting enterprise data center networking. * Knowledge of Cisco Nexus, Catalyst, Arista, Juniper, or similar enterprise networking platforms. * Familiarity with Spine-Leaf architecture (preferred). * Understanding of virtualization networking (VMware, Hyper-V) and cloud connectivity. Security * Experience supporting enterprise firewalls (Cisco ASA, Fortinet, Palo Alto, Check Point, etc.). * Knowledge of VPN technologies (IPSec, SSL VPN). * Basic understanding of network security principles and segmentation. Monitoring & Tools * Experience with network monitoring tools such as: * SolarWinds * PRTG * Nagios * Zabbix * Cisco DNA Center * LogicMonitor * ManageEngine OpManager * Familiarity with ServiceNow, Jira, Remedy, or other ITSM/ticketing systems. Soft Skills * Excellent troubleshooting and analytical abilities. * Strong communication and customer service skills. * Ability to manage multiple priorities in a fast-paced environment. * Strong documentation and reporting skills. * Ability to work independently and collaboratively with cross-functional teams. Preferred Experience * 3-5 years of experience in enterprise network support or data center operations. * Hands-on experience with Cisco, Juniper, Arista, or equivalent enterprise networking equipment. * Experience supporting large enterprise or multi-site network environments. * Exposure to SD-WAN, Cisco ACI, VMware NSX, or cloud networking (Azure/AWS/GCP) is preferred. * Experience working within ITIL-based support environments. Preferred Certifications * Cisco CCNA (Required) * Cisco CCNP Enterprise (Preferred) * Juniper JNCIA/JNCIS (Preferred) * Fortinet NSE * Palo Alto PCNSA/PCNSE * ITIL Foundation * VMware VCP-NV (Preferred) ## Description The Network Support Engineer - Level 2 (Data Center) is responsible for providing advanced technical support for enterprise network infrastructure within data center environments. The role focuses on diagnosing and resolving complex network incidents, maintaining high availability, supporting critical infrastructure, and ensuring compliance with operational standards and SLAs. The engineer works closely with Level 1, Level 3, cloud, server, security, and infrastructure teams to maintain optimal network performance and business continuity. Key Responsibilities * Provide Level 2 support for enterprise data center network incidents and service requests. * Troubleshoot complex LAN, WAN, Data Center, and Wireless network issues. * Configure, maintain, and support enterprise routers, switches, firewalls, load balancers, and wireless controllers. * Support routing and switching technologies including VLANs, STP, OSPF, BGP, VRRP/HSRP, EtherChannel, and ACLs. * Troubleshoot VPN connectivity, MPLS circuits, Internet connectivity, and WAN optimization solutions. * Perform network health analysis and root cause identification for recurring issues. Operational / Delivery * Resolve escalated incidents from Level 1 support within defined SLA timelines. * Implement network changes, upgrades, and maintenance activities during approved change windows. * Perform installation, configuration, replacement, and migration of network hardware in data center environments. * Monitor enterprise network infrastructure using network monitoring and alerting tools. * Support rack and stack activities, cable management, patching, hardware replacements, and connectivity validation. * Perform firmware and software upgrades on network devices while minimizing service disruptions. * Participate in on-call support and scheduled maintenance activities. Governance & Process * Maintain detailed documentation of network topology, configurations, incidents, and change records. * Follow ITIL processes for Incident, Problem, Change, and Configuration Management. * Ensure compliance with security standards, operational procedures, and customer policies. * Perform root cause analysis (RCA) and recommend preventive measures. * Escalate major incidents to Level 3, vendors, or architecture teams when required. Stakeholder Management * Collaborate with Infrastructure, Server, Cloud, Security, and Application teams. * Coordinate with OEM vendors and Internet Service Providers for issue resolution. * Provide technical updates and incident reports to management and customers. * Mentor Level 1 engineers by providing technical guidance and troubleshooting support. Core Deliverables * Timely resolution of Level 2 network incidents. * High availability and stability of enterprise data center networks. * Accurate documentation of configurations, incidents, and change activities. * Successful implementation of planned network changes. * Reduced incident recurrence through proactive monitoring and root cause analysis. * Compliance with SLA, security, and operational standards., * SLA compliance and incident resolution performance. * First-time resolution of Level 2 incidents. * Data center network uptime and service availability. * Successful execution of planned network changes. * Quality and accuracy of technical documentation. * Root cause analysis completion and preventive action implementation. * Customer satisfaction and service quality metrics. * Reduction in recurring incidents and escalations. ## Related Videos - [How Cisco embraced a DevOps culture within its network engineering team](https://www.wearedevelopers.com/videos/99-how-cisco-embraced-a-devops-culture-within-its-network-engineering-team) - [Collaboration Quantified: Lessons from Open Source Developer Networks](https://www.wearedevelopers.com/videos/1422-collaboration-quantified-lessons-from-open-source-developer-networks) - [WebAssembly: The Next Frontier of Cloud Computing](https://www.wearedevelopers.com/videos/972-webassembly-the-next-frontier-of-cloud-computing) - [Computer Vision from the Edge to the Cloud done easy](https://www.wearedevelopers.com/videos/263-computer-vision-from-the-edge-to-the-cloud-done-easy) - [Generating code with Angular schematics](https://www.wearedevelopers.com/videos/129-generating-code-with-angular-schematics) - [Integrate your Cognitive Assistant with 3rd-party DBs and software](https://www.wearedevelopers.com/videos/249-integrate-your-cognitive-assistant-with-3rd-party-dbs-and-software) ## Related Articles - [Best Paying Jobs in Technology](https://www.wearedevelopers.com/magazine/256-best-paying-jobs-in-technology) - [Best Coding Boot Camps in Germany](https://www.wearedevelopers.com/magazine/237-best-coding-boot-camps-in-germany) - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [The Most Popular IT Jobs on the Market](https://www.wearedevelopers.com/magazine/376-the-most-popular-it-jobs-on-the-market) - [The Best Job Search Websites of 2025](https://www.wearedevelopers.com/magazine/368-the-best-job-search-websites-of-2025) - [What Are The Top Skills Required For Azure Developers?](https://www.wearedevelopers.com/magazine/77-what-are-the-top-skills-required-for-azure-developers)