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AbAKUS IT Solutions - Senior Security Engineer

The project consists of


Network Infrastructure:

  • The LAN in the buildings (approximately 90 buildings spread over Brussels, Luxembourg)
  • The connections between these buildings an international Backbone (MPLS technology)
  • The interconnection with other providers with dynamic routing and VPN.
  • WiFi Hotspots
  • Security and Internet Infrastructure
  • The security perimeter consists in a multi-layer infrastructure of Firewalls and VPN of different vendors (FortiNet, CheckPoint, Pulsecure)
  • The incoming and outgoing accesses with the external world pass through dedicated appliances working as proxies and reverse proxies (Bluecoat)
  • DNS infrastructure and authentication servers are part of our domain of competences (BIND9)


A team of 45 people is working permanently on-site (Luxembourg and Brussel).



Your mission

  • Maintain complex and challenging infrastructures in the domain of Security
  • Participate in the layer 2 support in the team
  • Participate actively in Health checks for seeking issues before they impact production (Proactive analysis)
  • Prepare and execute projects (Releases)
  • Contribute to the delivery of projects (Transition)
  • Propose and contribute to technical improvement plans
  • Develop tools to automate alerting, incident, request management
  • Ensure compliance (in operations and projects)
  • Insure client satisfaction
  • Interact and co-operate with vendors
  • Contribute actively to Teams synergy



  • Knowledge in one or several Security Technologies: Firewall, DNS, Proxy/reverse Proxy, Application Load balancing, Remote Access
  • Knowledge of the OSI Model and the associated protocols
  • Knowledge in automation and deployment (Ansible)
  • Knowledge in one or several development languages (Python, Perl)
  • Knowledge in one or several Cloud providers (AWS, Azure)
  • GNU/Linux
  • Fluent in French and Technical English



  • Education : BAC +5 in computer sciences or equivalent experience
  • 3-5 Years of experience in a large production environment
  • Experience in Cloud environment is considered as an advantage
  • Experience in delivering in a production environment is considered as an advantage



  • Autonomous and motivated
  • Team spirit and strength of proposal regarding the technical choices
  • Spirit of initiative
  • Good interpersonal skills and strong adaptability
  • Pragmatism and sense of organization
  • Analytical mind
  • Passion for challenge and innovation


Location and Timing issues

  • Provision of the above mentioned services basically in Luxembourg, with a possibility to work in Brussels about 1 day per month.
  • Project Business hours: 7h-19h => being able to regularly start at 7am and being able to regularly end at 7pm
  • Occasional interventions outside of normal working hours may be requested
  • On-call permanence during nights or weekends (about 1 week every 5 weeks).

Company description

AbAKUS it-solutions - expert in IT comfort - is hiring to reinforce his teams.
IT services integrator, created in 1991, we position ourselves as IT comfort expert for the small and medium structures. To cover these services, we offer packaged based services and have a personalized service desk.
For larger organization, we are also active in the provision of IT staff and in projects both in operational and development field.
In addition, we also sell, deploy and install hardware (Servers, Storage, PC,...). We also offer technical consulting services.

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