Network Security Engineer – Brussels
Key Responsibilities:
* Handle service requests related to network operations.
* Provide 2nd level incident response, escalating to vendors when needed.
* Conduct root cause analysis and contribute to problem management and continuous improvement.
* Support lifecycle management of network services to maintain efficiency and compliance.
* Assist in the design and implementation of new network services and solutions.
* Manage configuration changes and ensure documentation is kept up to date.
* Design and implement network management systems and other operational tools:
* Define architecture and evaluate market solutions.
* Conduct proof-of-concept and pre-production testing.
* Migrate new systems into production.
* Define operational procedures and automate routine tasks.
* Develop and configure custom tools (e.g., web dashboards, databases, automation scripts).
* Evaluate quality and efficiency of network operations using metrics and monitoring.
* Regularly monitor and analyze network performance, proposing quality improvements.
Required Skills & Experience:
* Proven experience in large-scale network operations.
* Strong knowledge of incident management, request fulfillment, and problem resolution.
* Hands-on experience with configuration management in enterprise networks.
* Familiarity with network management and monitoring tools.
* Solid understanding of routing & switching technologies:
* BGP, OSPF, VLAN, VPNs, MPLS, etc.
* Experience with firewall policies and security best practices:
* Cisco ASA, Check Point, FortiGate.
* Knowledge of automation and scripting:
* Python, Ansible, Terraform (preferred).
* Understanding of network performance monitoring and troubleshooting methodologies.
* Experience working in multi-vendor environments:
* Cisco, Juniper, Fortinet, etc.
* Strong analytical skills and ability to contribute to service improvements.
* Bachelor’s/Master’s degree in Computer Science, Networks, or Telecommunications.
* Relevant networking certification (e.g., CCNA, CCNP, NSE4, or equivalent) preferred.
* Fluency in English (C1/C2 level) is required.
Preferred Skills (Nice to Have):
* Network automation tools experience.
* Knowledge of cloud networking (AWS, Azure, Hybrid-Cloud).
* Understanding of container networking (Kubernetes, Docker).
* Experience with network telemetry and monitoring.
* Exposure to SDN and network virtualization (NSX, Cisco ACI).
Additional Requirements:
* Must be resident in Belgium or willing to relocate.