Network Security Engineer

Empiric; Utrecht; Hybrid; EUR 70,000 - 90,000; Full time

Job summary

A leading technology firm in Utrecht is seeking an experienced Network Security Engineer to join their hybrid team. This role involves managing Cisco ACI infrastructures, implementing network automation, and ensuring network security. The ideal candidate has hands-on experience with Cisco ACI and a solid understanding of network security principles. Immediate application is encouraged for those who meet the qualifications.

Qualifications

• Proven hands-on experience with Cisco ACI and related Cisco networking technologies.
• Strong understanding of network security principles, including firewalls, segmentation, and access control.
• Proficiency in Ansible or other network automation tools.

Responsibilities

• Manage and support complex Cisco ACI infrastructures, ensuring high availability and optimal performance.
• Contribute to network integrations, migrations, and upgrades across data centre environments.
• Implement network automation using Ansible, streamlining deployment and configuration processes.
• Oversee network security, including segmentation, policy enforcement, and traffic control within ACI.
• Perform change management activities and ensure compliance with operational standards.
• Troubleshoot and resolve network issues, providing escalation support when needed.
• Participate in a standby rotation (1 week every 7 weeks) to support critical incidents.
• Collaborate with cross-functional teams to design and implement secure, scalable network solutions.

Skills

Cisco ACI

Network security principles

Ansible

Problem-solving skills

Collaboration

Fluent English

Job description

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We’re seeking an experienced Network Security Engineer with a strong background in Cisco ACI and automation to join our hybrid team in Utrecht. You’ll play a key role in both day-to-day network operations and strategic project delivery, helping to maintain and evolve a secure, high-performing enterprise network.

What you’ll do:

• Manage and support complex Cisco ACI infrastructures, ensuring high availability and optimal performance
• Contribute to network integrations, migrations, and upgrades across data centre environments
• Implement network automation using Ansible, streamlining deployment and configuration processes
• Oversee network security, including segmentation, policy enforcement, and traffic control within ACI
• Perform change management activities and ensure compliance with operational standards
• Troubleshoot and resolve network issues, providing escalation support when needed
• Participate in a standby rotation (1 week every 7 weeks) to support critical incidents
• Collaborate with cross-functional teams to design and implement secure, scalable network solutions

What we’re looking for:

• Proven hands‑on experience with Cisco ACI and related Cisco networking technologies
• Strong understanding of network security principles, including firewalls, segmentation, and access control
• Proficiency in Ansible or other network automation tools
• Excellent problem‑solving skills and a proactive, collaborative approach
• Fluent in English (spoken and written)

Please apply immediately if you are interested in the opportunity and could be a good match for the role!

Seniority level

Mid‑Senior level

Employment type

Contract

Job function

Information Technology and Consulting

Industries

Computer and Network Security, Security and Investigations, and Computer Networking Products