Senior Network Engineer – Cisco & Routing

Pauwels Consulting; Etterbeek; Hybrid; EUR 90,000 - 120,000; Full time

Job summary

Pauwels Consulting seeks a Senior Network Engineer to design, deploy, and maintain a multinational network across European locations. The role emphasizes 24/7 operations, secure routing, and automation to support cloud integration.

You will work with Cisco hardware, cloud technologies, and industry-standard security tools, while collaborating with cross-functional ICT teams and participating in standby rotations for international stakeholders.

Qualifications

• Must have hands-on experience with routing and switching protocols across Cisco infrastructure.
• Strong automation skills using Python or Ansible are required.
• Experience with Azure cloud and SD-WAN technologies is essential.

Responsibilities

• Design, deploy, and maintain IT and OT network systems for 24/7 operations.
• Secure networks with advanced firewall technologies and SD-WAN solutions.
• Develop automation scripts to streamline network operations.
• Collaborate with ICT teams across projects and provide connectivity support.
• Participate in standby rotation to ensure global service availability.

Skills

Routing & switching

Network automation

Cloud integration

Security mindset

Multilingual (EN + NL/FR)

Education

Computer science background

Tools

Cisco hardware

Azure

Python

Ansible

Cisco ACI / SD-WAN

Check Point / Palo Alto firewalls

NAC

Central syslog

Zabbix

Elastic

Cisco ISE

Job description

Our client, a leading organization in the energy infrastructure sector, is looking for a Senior Network Engineer to manage their mission-critical industrial and office network environments. The successful candidate will design, secure, and maintain a multi-national network infrastructure spanning across several European locations while supporting cloud integration and automation initiatives.

• Design, deploy, and maintain IT and OT network systems to support 24/7 business operations.
• Implement and manage routing and switching protocols across a mostly Cisco-based infrastructure.
• Secure the network environment using advanced firewall technologies and software-defined solutions.
• Develop automation scripts to streamline network operations and configuration management.
• Collaborate with cross-functional ICT teams to provide connectivity and infrastructure support for various projects.
• Participate in a standby rotation to ensure continuous service availability for international stakeholders.

• 8+ years experience in routing and switching protocols including OSPF, ISIS, MP-BGP, and MST.
• 8+ years experience with Cisco network hardware including ASR, ISR, Catalyst, and Nexus devices.
• 8+ years experience managing Cisco Wireless infrastructure.
• 8+ years experience with cloud technologies, specifically Microsoft Azure.
• 8+ years experience in network automation using Python or Ansible.
• 8+ years experience with Cisco ACI or Cisco SD-WAN.
• Experience with security technologies including Checkpoint and Palo Alto firewalls.
• Experience with network monitoring and management tools such as NAC and central syslog.
• You possess a background in computer science, a proactive mindset, and are willing to travel within Belgium.
• You are fluent in English with professional proficiency in Dutch or French.

Nice to Haves

• Knowledge of TACACS and RADIUS servers.
• Experience with Zabbix, Elastic, or Cisco ISE.

• Start date: 16/11/2026.
• Duration: 1 year (renewable).
• Work regime: Full-time.
• Location: Brussels.
• Working model: Hybrid (onsite 5 days per week for the first 3 months, thereafter 3 days per week onsite).
• Contract: open to both permanent employees and freelancers.