Senior Network Engineer

HUMANCAPiTAL BV; Haarlem; On-site; EUR 44,640 - 66,960; Full time

Job summary

HUMANCAPiTAL BV in Haarlem, Netherlands is seeking a Network Engineer to manage and maintain their network infrastructure. This role requires significant hands-on experience with Cisco networking, including routing, switching, and troubleshooting.

The ideal candidate will have a Bachelor’s degree in IT or Computer Science and over 5 years of experience in similar roles. You will ensure the network services remain stable and secure while contributing to the improvement of business-critical infrastructure.

Qualifications

• 5+ years of experience in enterprise IT infrastructure or network environments.
• Strong hands-on experience with Cisco networking.
• Knowledge of network topology and remote access technologies.

Responsibilities

• Manage and maintain network infrastructure across office locations.
• Configure, support, and troubleshoot Cisco networking environments.
• Monitor network performance, availability, and security.

Skills

Cisco networking

Routing

Switching

Troubleshooting

Network topology

Performance monitoring

Education

Bachelor’s degree in IT, Computer Science or equivalent

Job description

An international organization is looking for a Network Engineer to join their team in the Netherlands – Haarlem.

Type: Full-Time
Travel: Up to 5%
Salary: €4,000–€6,000 depending on experience

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.

Role Summary

They are looking for a Network Engineer who will take ownership of network infrastructure across multiple locations. This role is responsible for the operation, maintenance, monitoring, and improvement of network environments, with a strong focus on availability, performance, security, and troubleshooting.

They will work closely with internal stakeholders and technical teams to ensure network services remain stable, secure, and aligned with business needs.

Key Responsibilities

• 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.
• Analyse 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.

Required Qualifications & Experience

• 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.

Summary

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.