Senior Network Security Engineer

Nebiru; Antwerpen; On-site; EUR 50,000 - 75,000; Full time

Job summary

Nebiru is seeking an experienced network professional to monitor, maintain and secure industrial networks across enterprise and DCS environments. You will manage routing, switching, firewalls, SD-WAN and Wi‑Fi, while coordinating with third parties and internal teams to deliver robust network solutions.

The role requires hands-on Fortinet, Cisco ISE, SolarWinds and Zscaler experience, plus cloud networking with Azure/AWS.

Qualifications

• At least five years of experience in industrial environments, with relevant VCA certification.
• Hands-on experience with Fortinet solutions, including firewalls and SD-WAN.
• Strong enterprise routing and switching knowledge, including BGP, OSPF and VRF.
• Experience with Cisco ISE, enterprise Wi‑Fi and SolarWinds.
• Experience with Azure and/or AWS cloud networking.
• Experience and certification in Zscaler technologies, including ZIA and ZPA.

Responsibilities

• Monitor network performance, diagnose incidents and troubleshoot issues to minimise downtime.
• Maintain reliable, secure and high-performing enterprise, technical and industrial networks, including DCS environments.
• Support network technologies covering routing, switching, firewalls, SD-WAN, enterprise Wi-Fi and network access control.
• Work with third parties and internal stakeholders to coordinate technical issues and deliver solutions.
• Support network monitoring, cabling identification and infrastructure troubleshooting.
• Contribute to network architecture reviews and help align infrastructure with applicable security guidelines.

Skills

Industrial network experience

Education

VCA certification

Tools

Fortinet

Cisco ISE

SolarWinds

Zscaler ZIA/ZPA

Azure

AWS

Job description

What you will do

• Monitor network performance, diagnose incidents and troubleshoot issues to minimise downtime.
• Maintain reliable, secure and high-performing enterprise, technical and industrial networks, including DCS environments.
• Support network technologies covering routing, switching, firewalls, SD-WAN, enterprise Wi-Fi and network access control.
• Work with third parties and internal stakeholders to coordinate technical issues and deliver solutions.
• Support network monitoring, cabling identification and infrastructure troubleshooting.
• Contribute to network architecture reviews and help align infrastructure with applicable security guidelines.

What you bring

• At least five years of experience in industrial environments, with relevant VCA certification.
• Hands-on experience with Fortinet solutions, including firewalls and SD-WAN.
• Strong enterprise routing and switching knowledge, including BGP, OSPF and VRF.
• Experience with Cisco ISE, enterprise Wi-Fi and SolarWinds.
• Experience with Azure and/or AWS cloud networking.
• Experience and certification in Zscaler technologies, including ZIA and ZPA.