Senior Network Engineer

Haarlem, Netherlands | Posted on 06/11/2026

Type:
Full‑Time

Travel:
Up to 5%

They are an international organization with a strong reputation for operational excellence, working in a regulated environment where reliability, security, and quality are essential. With a diverse and collaborative team in the Netherlands, they support business‑critical systems across multiple locations.

The role requires ownership of network infrastructure across multiple locations. The Network Engineer will operate, maintain, monitor, and improve network environments, focusing on availability, performance, security, and troubleshooting. The engineer will work closely with internal stakeholders and technical teams to keep network services stable, secure, and aligned with business needs.

• Manage and maintain network infrastructure across office locations.
• Configure, support, and troubleshoot Cisco networking environments, including routing and switching.
• Monitor network performance, availability, and security.
• Analyze trends, logs, and performance data to prevent issues before they affect operations.
• Support network changes, including implementation and validation of updates.
• Assist with LAN/WAN connectivity and remote access technologies.
• Contribute to problem management, root cause analysis, and long‑term improvements.
• Maintain accurate technical documentation, inventories, and procedures.
• Support global connectivity and remote troubleshooting where needed.

• Bachelor’s degree in IT, Computer Science, or equivalent experience.
• 5+ years of experience in enterprise IT infrastructure or network environments.
• Strong hands‑on experience with Cisco networking, including routing, switching, and troubleshooting.
• Knowledge of network topology and remote access technologies.
• Experience with performance monitoring, incident resolution, and problem management.

This is a hands‑on Network Engineer role for a strong technical professional who can operate autonomously, maintain stable network services, and contribute to the improvement of a business‑critical infrastructure environment.