Senior Network / Security Engineer


The Senior Network & Security Engineer will be working on the design of several upcoming network & security projects. The Senior Network & Security Engineer is in charge of the daily operational management of the IT Infrastructure.

Which tasks will you be working on

  • Responsible for keeping the IT infrastructure up and running, as per the service level agreements
  • Responsible for WAN, LAN and WLAN support of Office sites and Datacenter
  • Manage support tickets (second and third line)
  • Ensure that the standards & governance principles of the infrastructure are followed
  • Participate in the Change Management process
  • Ensure that support documentation is kept up to date
  • Propose improvements on network and security level
  • Validate the infrastructure and security deliverables in projects, as per the standards
  • Responsible for version management
  • Support to first line support
  • Provide second line support
  • Manage third line support
  • Propose solutions to meet business requirements
  • Create the HLD & LLD for various network and security projects
  • Coordinate and work closely with several managed service provides
  • Deploy the solutions in the production network in a controlled way
  • Ensure a correct handover to operations
  • Provide network & security support to larger projects and programs
  • Contribute to the writing of RFP’s
  • FW/Network monitoring
  • Advise operational teams
  • Writing of detailed migration plans for implementation of significant and major changes
  • Writing of high level change descriptions for getting a change approved by the CAB
  • Writing of test plans to validate the correct functioning of setups after a change
  • Writing of performance troubleshooting reports


  • The ideal candidate has a Bachelors or Master’s Degree in a technology related field (e.g. Engineering, Computer Software, etc.) or has gained equivalent knowledge by relevant work experience
  • 5+ years of experience in multiple IT areas

Must be able to prove an active experience in the following areas :

  • Networks (Firewalling, Switching, Routing, Software Defined Networking, loadbalancing)
  • Wlan centralized management
  • AD with integrated Radius and CA
  • Protocols (IP, OSPF, BGP, VRF, HSRP,FTP,…)
  • Scripting & powershell
  • Experience in following technologies is a must:
  • Web services (IIS, Tomcat, Apache, Web application server…)
  • Experience with high volume data platforms, appliances, and technologies
  • Server: Linux, HPUX, Solaris
  • Knowledge of SAN Storage (EMC VMAX/VPLEX), NAS and Dedicated Storage Platforms
  • Cluster solutions based on OS mentioned above
  • Windows
  • Citrix
  • Fundamental understanding of IT processes and operational procedures.
  • Familiar with native and third party OS tools for performance, monitoring and capacity analysis.
  • You must possess good interpersonal skills and strong communication skills (verbal and written), with the ability to communicate in both technical and non-technical terms.
  • You have abilities in a mediator role and are able to ask the correct questions to understand correctly both sides and get to an agreement
  • You can work an autonomous way but are a good team player.
  • You are business proficient in English and at least in Dutch or French


  • For us you are not merely a number, we are passionate about the personal and human approach. 100% honest communication is also typically Xquisit!
  • We value your talent, skills and effort. This means we will always go the extra mile to ensure that you feel comfortable at your job and that you feel at home, both at Xquisit and at the client.
  • The possibility to develop yourself professionally is priceless. That’s why following training programs, attending courses, obtaining certificates, … are always an option open for discussion.
  • Employees on our payroll are offered an attractive benefits package, including a competitive salary, a company car, hospitalisation and group insurance, 12 extra days off (ADV) and more.
  • You are always welcome in our office in the peaceful greenery of Brasschaat and we regularly organise events for members of the Xquisit family!

Senior Network / Security Engineer

Locatie Brussel
Duur Long-term Project
Dienstverband Freelance
- Medewerker Xquisit (onbepaalde duur)

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