Job title: Senor Network EngineerLocation: Brussels, BelgiumLanguages: EnglishContract Duration: Long TermONLYEU CITIZENS ARE PREFEREDJob Description As a Network Security Engineer, you will play a critical role in network operations, incident response, system automation, and security compliance. The position requires strong troubleshooting skills, technical expertise, and the ability to support complex network environments across multi-vendor platforms.Key ResponsibilitiesIncident Management & SupportHandle service requests and provide 2nd level incident response, escalating when needed.Contribute to problem management, root cause analysis, and continuous improvement.Network Infrastructure ManagementSupport network lifecycle management, ensuring compliance with best practices.Assist in the design, implementation, and configuration of network solutions.Maintain network documentation and manage configuration changes.Technical Development & AutomationDesign and implement network management tools, conduct testing, and evaluate solutions.Automate operational tasks and migrate new systems into production.Develop and configure custom tools, including dashboards, databases, and scripts.Define and implement operational metrics to enhance network performance.Qualifications & Required SkillsEducation: Bachelor’s/Master’s in Computer Science, Networks, or Telecommunications.Experience: 8+ years in large-scale network operations and enterprise configuration management.Networking Expertise:Routing & Switching: Strong knowledge of BGP, OSPF, VLAN, VPNs, MPLS.Firewall Management: Experience with Cisco ASA, Check Point, FortiGate, and security best practices.Multi-vendor Environments: Cisco, Juniper, Fortinet.Automation & Scripting:Proficiency in Python, Ansible, Terraform (preferred but not mandatory).Certifications: CCNA, CCNP, NSE4 (preferred but not required).Language: Fluent English (C Level).Preferred Skills:Network automation and monitoring tools.Cloud networking expertise (AWS, Azure, hybrid-cloud).Container networking knowledge (Kubernetes, Docker).Experience in network telemetry & SDN/virtualization (NSX, Cisco ACI).