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# System Design Engineer Senior Onshore

- **Company:** Synctiv
- **Location:** Mechelen, Belgium
- **Experience:** Expert
- **Contract:** Temporary contract
- **Skills:** Systems Engineering, Border Gateway Protocol, Internet Protocol Security (IP SEC), Virtual Private Networks (VPN), Network Security, Performance Tuning, Wide Area Networks, Software Troubleshooting, Information Technology, Fortinet
- **Published:** August 21, 2026
- **Apply:** https://www.careerjet.be/jobad/be5ba1478bc997278debddc1febc883c29

## About the Role

Minimum 5+ years of experience in system engineering or IT infrastructure
Strong expertise in network and security infrastructures
Hands-on experience with Fortinet technologies (FortiGate, FortiManager, etc.)
Solid knowledge of:
BGP
SD-WAN
IPsec VPNs
Experience with advanced troubleshooting and debugging
Comfortable working in complex, high-availability environments
Strong analytical and problem-solving mindset
Proactive, adaptable, and result-oriented team player
What You Can Expect
A challenging and impactful project in a high-level technical environment
Exposure to modern network and security architectures
A collaborative and international team
Full English-speaking workplace

## Description

We are currently looking for a Senior System Engineer (Network & Security) to join a dynamic and technically advanced environment for a 6-month contract based in Mechelen.
This role is ideal for someone who thrives in complex infrastructures and enjoys working hands-on with cutting-edge network and security technologies, particularly within the Fortinet ecosystem., As a Senior System Engineer, you will play a key role in designing, implementing, and maintaining robust and secure infrastructures:
Translate business and technical requirements into scalable system designs
Evaluate architectural options and define optimal solutions
Ensure design compliance and support deployment activities
Manage and optimize system performance, capacity, and reliability
Contribute to continuous improvement and innovation of systems and processes
Maintain technical documentation and system knowledge
Handle complex incidents and perform root cause analysis
Participate in on-call support when required


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