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Important information
Contract type:
Freelance
Salary / Daily rate:
550€/630€
This job is at 0% commission 🎉Location:
Leuven, Belgium
Starting date:
2 to 4 weeks
Work mode:
Onsite, Hybrid
Published on:
9 April 2026
What they need
Context
The Senior Network & Security Engineer is responsible for designing, implementing, securing, and maintaining complex network and security infrastructures with a strong focus on Fortinet technologies. This role requires deep expertise in BGP, SD-WAN, IPsec VPNs, FortiManager administration, and advanced debugging.
Missions
Evaluate and translate requirements into design
Evaluate design benefits and trade-offs
Validate design compliance and support deployment of the design to ensure the requirements are met
Use development tools to efficiently solve technical or business challenges, including technology evolution, capacity management, and performance optimization
Innovate to present new ideas which improve an existing system, process, or service
Maintain knowledge of existing technology documents via technical writing
Perform (complex) incident resolution and root cause analyses
Be on duty call for the systems you are responsible for, when required
Tools & Environment
Fortinet technologies with strong focus on FortiManager administration
BGP, SD-WAN, IPsec VPNs
Development tools for technical and business challenges
Working Conditions
Language requirement: English
Core competencies: Adaptive, Analytical thinking, Collaborating, Flexible, Result driven, Software development
Soft skills: Administratively strong, Analytical mind and strong conceptual thinking, Being proactive and taking initiatives, Clear, structured and convincing communication
Profile wanted
- Proven experience in system software and IT infrastructure
- Adaptive and flexible with strong analytical thinking and conceptual thinking
- Strong collaboration skills and result driven mindset
- Experience in software development
- Administratively strong with the ability to be proactive and take initiatives
- Clear, structured, and convincing communication skills
- Fluency in English
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