Senior Network Engineer

HUMAN CAPiTAL; Haarlem; On-site; EUR 50,000 - 70,000; Full time

Job summary

HUMAN CAPiTAL is seeking a Network Engineer in Haarlem, Netherlands. The successful candidate will manage and maintain the network infrastructure across multiple locations, ensuring stability and security. You will work closely with stakeholders, configuring and troubleshooting Cisco environments, and monitoring network performance.

The ideal candidate has over 5 years of experience in enterprise networks, a Bachelor’s degree in IT or Computer Science, and strong troubleshooting skills. Join us to contribute to vital business infrastructure improvements.

Qualifications

• 5+ years of experience in enterprise IT infrastructure or network environments.
• Strong hands-on experience with Cisco networking, including routing and switching.
• 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.
• Analyze trends, logs, and performance data.
• Support network changes and remote troubleshooting.

Skills

Cisco networking

Troubleshooting

Network performance monitoring

Incident resolution

Education

Bachelor’s degree in IT or Computer Science

Job description

Haarlem, Netherlands | Posted on 06/11/2026

Network Engineer – Haarlem

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.

Role Summary

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.

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.
• 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.

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.