Network Security Engineer

Il y a 3 heures

Arrondissement of BrusselsCapital, Brussels, Belgique CDH Professionals Temps plein
pullibLocation: /b Brussels, Belgium (Hybrid 1-Day on sight a week) /lilibContract Type: /b Freelance /lilibDuration: /b 8-12 months, with the possibility of extension /li /ulh3Description: /h3pCDH are searching for a Senior Network and Security Engineer to ensure the stability, security, and scalability of our IT infrastructure. In this role, you will oversee critical systems, provide expert support, and contribute to the continuous improvement of our network and security landscape. /ph3Responsibilities: /h3ulliEnsure uptime and performance of IT infrastructure (WAN, LAN, WLAN, VPN, DNS, FW, DC, etc.) per SLAs. /liliManage second
- and third-line support tickets, assisting first-line as needed. /liliValidate and deploy infrastructure/network deliverables, adhering to standards and governance principles. /liliParticipate in change management processes, ensuring smooth transitions without operational impact. /liliPropose and implement network and security improvements, including HLD/LLD solutions. /liliMonitor firewalls, networks, and systems; manage third‑party collaboration for issue resolution. /liliContribute to RFI/RFP preparation and version control of systems. /li /ulh3Skills

Qualifications:
/h3ulliBachelor's/Master’s in a technology field or equivalent experience. /lili7+ years in IT, including 5 in networking/security. /liliExpertise in routing (BGP, OSPF), MPLS, QoS, and DC LAN tech. /liliHands‑on experience with firewalls (Checkpoint, Palo Alto), proxies (Zscaler/ZPA), DNS, and load balancing. /liliFamiliarity with tools like Splunk, Cisco ISE, Infoblox, and SDWAN/SASE. /liliStrong troubleshooting skills and understanding of IT processes. /li /ul /p