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NSI - Network System & Security Engineer

To reinforce our team, we are looking for a Network Consultant:



Your main responsibilities

  • You will provide enterprise wide Network System infrastructure support for complex system and interconnected technologies that require day to day support and administration in order to maintain optimum performance, security and utilization for clients
  • Establishing the networking environment by designing system configuration, directing system installation, defining, documenting and enforcing system standards in collaboration with our company Solution Architect
  • The design and implementation of new solutions and improving resilience of the current environment
  • Maximizing network performance by monitoring performance, troubleshooting network problems and outages, scheduling upgrades and collaborating with network architects on network optimization
  • Undertaking data network fault investigations in local and wide area environments, using information from multiple sources
  • Securing network systems by establishing and enforcing policies, and defining and monitoring access
  • The support and administration of Firewall environments in line with IT security policy
  • Reporting network operational status by gathering and prioritizing information and managing projects
  • Upgrading data network equipment to the latest stable firmware releases
  • The configuration of routing and switching equipment
  • The configuration of hosted IP voice services
  • The basic configuration of Firewalls
  • Remote support of on-site engineers and end users/customers during installation
  • Remote troubleshooting and fault finding if issues occur upon initial installation;


Your profile

  • You have at least 3 years of experience as Network System & Security Engineer
  • You are fluent in French and in English
  • Capacity management and audit of IP addressing and hosted devices within data center
  • Liaising with project management teams, third-line engineers and service desk engineers on a regular basis
  • Speaking with customers via email and phone for initial requirement capture
  • Deep knowledge in the following technologies: Cisco LAN & WAN (DC/Cbl/office), WIFI (Cisco & Ucopia), Cisco ASA (Firewall & VPN, Infoblox,SolarWinds Orion, Cisco Ironport, Paloalto, Fortigate, F5 Big-IP, Denyall, Bluecoat


Your offer

  • Permanent or Freelance contract
  • Trainings
  • Dynamic and innovation environment
  • Be in the position to open your career perspectives
  • Take the chance to join our NSI Family, a well known company, with various opportunity to grow


If you do not receive an answer within 20 days, you will have to consider that we will not proceed with your application.

Description société

NSI -CEGEKA Group is based in Luxembourg and Belgium. The company will be celebrating its 25th anniversary in 2018. NSI is a provider of value-added IT services (Agile application development, ERP, cloud infrastructure, professional services) for the private and public sectors.

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