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# Network Engineer - Internet Service Provider

- **Company:** Hamilton Barnes
- **Location:** Leiden, Netherlands (Remote available)
- **Salary:** €6,000.0 - €8,000.0
- **Contract:** Permanent contract
- **Skills:** Complex Networks, Python (Programming Language), Ansible, Working Model 2D, Computer Networking Systems, System Availability, Firewalls (Computer Science), Infrastructure Automation Frameworks, Fortinet, Open Network Automation Platform, Cisco
- **Published:** July 31, 2026
- **Apply:** https://www.careerjet.nl/job/nl7696cc88523704f830b2e5e0bc3c9193/eaa

## About the Role

Skills/Must Have

 * Experience working within an enterprise networking environment.
 * Strong hands-on experience with Cisco networking technologies.
 * Experience delivering firewall migration, using Fortinet and/or Palo Alto firewalls.
 * Active CCNA or CCNP certification.
 * Strong troubleshooting and problem-solving skills.
 * Excellent communication skills and confidence working directly with customers (Dutch fluent is optimal).
 * Willingness to travel across the Randstad area.

Nice to Have

 * Experience with network automation using Python and/or Ansible.
 * Exposure to infrastructure automation and network scripting.
 * Experience working across multiple customer environments or within a systems integrator/MSP.

## Description

* Design, implement, and support enterprise network infrastructures for a range of customer environments.
 * Configure, maintain, and troubleshoot Cisco-based networking solutions, ensuring high availability and performance.
 * Plan and deliver firewall migration projects, including deployments and migrations involving Fortinet and Palo Alto technologies.
 * Diagnose and resolve complex network and security issues while providing a high level of technical expertise.
 * Work directly with enterprise customers to understand technical requirements and deliver tailored networking solutions.
 * Travel throughout the Randstad area to support customer projects when required.


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