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GFI PSF - Network Engineer



As a member of the Cloud and Infrastructure Services team, you are in charge of the design, the implementation, and the management of network components.

He/she performs technical tasks in relation to internal and external interlocutors (customers) on given perimeters of expertise.


He/She will be responsible to:

  • Integrate, operate and maintain network and security solutions
  • Diagnose and assist in the resolution of network configuration and implementation issues
  • Implement the security controls at the network, infrastructure and application level
  • Configure and install network devices and services (routers, switches, Firewalls, load balancers, VPN,...)
  • Perform network maintenance and system upgrades including service packs, patches, hot fixes and security configurations
  • Monitor and investigate the security alerts
  • Process the vulnerability management
  • Provide support and troubleshooting to resolve issues
  • Work closely with internal teams to coordinate system implementations and maintain optimal performance
  • Develop security rules and best practices
  • Participate in network security projects
  • Evaluate, implement and monitor incoming network change requests
  • Provide technical support at the network level: WAN and LAN connectivity, routing, switching, Firewalls, and security
  • Ensure adherence to policies, standards and technical controls
  • Produce technical documentation for IT audiences
  • Liaise with vendors and other IT personnel


Key Skills Expected



  • You hold a 3-year degree in computer science, information systems or IT security
  • 5 + years' experience in network and security
  • Must have experience with and understanding of high availability network solutions and technologies
  • A solid understanding of computer and network security best practices
  • Perfect knowledge of network protocols (IPv4, IPv6, Ethernet, WiFi...) and of network security principles (Firewalls, IDS/IPS, VPN...)
  • Complete ease with Cisco materials - ASA , Firepower, switches, routers, WiFi controller , ISE
  • Solid knowledge of Sophos, FortiGate, CheckPoint, DNS, DHCP
  • Effective planning and organizational methods
  • Strong analytical and problem-solving skillsµ
  • Knowledge on Virtualization, VMware NSX, NetScaler Citrix, Reverse proxy NGINX will be considered as an added-value.


Transverse Skills

  • Adaptability and flexibility: Assess the impact of changes and propose appropriate responses or solutions
  • Rigor and organisation: Transmit and share methods of organization and rigor with internal and external interlocutors
  • Language skills: Strong communicator in French and English, both written and verbal


Any application from a resident located outside the EU must confirm that the candidate is holding a working permit for the EU.

Due to the large number of applications, without this confirmation your application will not be considered.


Description société

About GFI

Gfi has 27,000 employees, a turnover of 2.3 billion euros (pro-forma) in 2019 and is established, internationally, in 24 countries through subsidiaries.

With more than 100 employees in the Grand Duchy, Gfi Luxembourg supports its customers in their applications integration, maintenance and infrastructure management projects and outsourcing.
By integrating Gfi, you will be able to express your personality in our entity on a human scale, attentive to your evolution and the development of your skills.

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