Network Operations Analyst

Next-Link; Brussel Hoofdstad; On-site; EUR 60,000 - 80,000; Full time

Job summary

NextLink Solutions is seeking an experienced Network Operations Analyst to join the technical operations team and support delivery, maintenance and continuous improvement of enterprise network infrastructure for a defence client.

You will provide first and second-line operational support across complex networks, monitor performance, implement configurations, and collaborate with internal stakeholders and external service providers to ensure availability, security and reliability.

Qualifications

• Hands-on experience with Cisco networking technologies including SD-Access, ACI and ISE.
• Strong understanding of enterprise data centre and campus networks.

Responsibilities

• Provide first and second-line operational support for enterprise network services and infrastructure.
• Monitor, maintain and troubleshoot campus and data centre networks.
• Support network deployment, hardware replacement and technology refresh projects.
• Implement network configurations and security controls per standards.
• Support Cisco SD-Access, ACI, wireless networking and multi-tenancy environments.
• Administer DNS, DHCP and IPAM services.
• Maintain network monitoring systems and resolve performance issues.
• Assist with firewall and PKI security technologies.

Skills

Cisco SD-Access

ACI

Cisco ISE

Network monitoring

DNS

DHCP

IPAM

Troubleshooting

Security controls

Job description

Brussels, Belgium | Posted on 11/13/2026

• City Brussels
• Job Posting ID ZR_4542_JOB

What is the mission about?

To ensure reliable and efficient network operations for business continuity.

Job Description

Network Operations Analyst

Job Overview

NextLink Solutions is seeking an experienced Network Operations Analyst to join the technical operations team of a prestigious defence client and support the delivery, maintenance and continuous improvement of enterprise network infrastructure.

You will provide first and second-line operational support across complex network environments, ensuring the availability, security, performance and reliability of critical network services.

This role will involve monitoring and troubleshooting network infrastructure, supporting technology refresh and deployment projects, implementing network configurations and security enhancements, and collaborating with internal stakeholders and external service providers.

The ideal candidate will have strong hands-on experience with Cisco networking technologies, including SD-Access, ACI, Cisco ISE and network monitoring solutions, alongside a solid understanding of enterprise data centre and campus network environments.

Key Responsibilities

Provide first and second-line operational support for enterprise network services and infrastructure.

Monitor, maintain, troubleshoot and optimise campus and data centre network environments.

Support network infrastructure deployment, hardware replacement and technology refresh projects.

Implement network configurations, upgrades and security controls in accordance with established technical standards and operational procedures.

Support Cisco SD-Access, Application Centric Infrastructure (ACI), wireless networking and multi-tenancy environments.

Administer and support DNS, DHCP and IP Address Management (IPAM) services.

Maintain network monitoring systems and proactively identify and resolve performance or availability issues.

Support network security technologies, including firewalls, Cisco ISE and Public Key Infrastructure (PKI).