Our client is looking for a Network Security Engineer to work fully on site in Mons on an initial 12 month contract with a view for further extensions. Please note this is a freelance/contract position and a valid UK SC/NATO clearance is required before starting the position. Key responsibilities: Manage the client solution at customer location Interact with the customer’s service desk team to liaise on the issues pertaining our managed solution Log & manage the incidents and problems in customer system. Work in a physical presence at the client location between 8 am and 6 pm from Monday to Friday; during nights and weekend, participate in an on-call duty rotation (every 3 weeks) engineer should be living in or close to Mons) Provide Level 2 support on the incident and problems as per agreed Service Level Agreement Liaise with Level 3 support teams which in turn comprises of client’s professionals and Level 3 support of various suppliers Prepare & manage service related documentation. Advice, Build, Troubleshoot and Maintain solutions using Citrix NetScaler technology Troubleshoot and Maintain basic network infrastructure based on Cisco technology Qualifications/skills NATO Security Clearance A valid work and residence permit for the EU A can-do attitude, must be eager to learn, is flexible and customer focused A natural initiative and pro-activeness to their method of working, be open to and advise on new ideas Strong communication stills with an excellent standard of written and spoken English Strong team player skills but also must be able to work on own initiative The ability to work well to deadlines and under pressure. An intermediate to senior knowledge and experience in systems integration with a minimum of 5 years of working experience (network analysis, troubleshooting, monitoring and management systems in a WAN/LAN environment) Knowledge of DDOS appliances Cisco Catalyst, Router and Nexus Switching & Advanced Routing protocols (OSPF, BGP, EIGRP,…) SPAM/Antivirus protection mechanism VLAN, HSRP, ACL, WCCP, port-profiles, NAT/PAT Fortigate NGFW Mail Proxy Messagelabs Forward Proxy (Z-scaler – Ironports) Infoblox (Forward DNS, External DNS) Trendmicro IWSVA DNS (primary and secondary) Citrix Netscaler (GSLB, Content Switching, Remote access, Web Application FW) Akamai (CDN, DNS Delegation) HID Radius Preferably knowledge of Solarwinds (NPM, NCM, SAM, SLA, Netflow) VPN (S2S, SLL, IPSEC) VMware, Linux, Windows base skills