Network Operations Specialist — Enterprise & Security

NextLink Group; Brussel Hoofdstad; On-site; EUR 45,000 - 70,000; Full time

Job summary

NextLink Solutions is seeking a Network Operations Analyst to join our technical operations team, supporting a prestigious defence client in Brussels. You will ensure reliable enterprise network services, monitor performance, and implement security controls across campus and data centre environments.

The role emphasizes hands-on Cisco technologies, SD-Access, ACI, ISE, and collaboration with internal stakeholders and service providers to maintain availability and reliability.

Qualifications

• Hands-on experience with Cisco networking technologies (SD-Access, ACI, Cisco ISE) and network monitoring solutions.

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 standards.
• Support Cisco SD-Access, 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 PKI.

Skills

Cisco networking

Network monitoring

Security practices

DNS/DHCP/IPAM

SD-Access

ACI

Cisco ISE

IPAM

Firewalls

Tools

Cisco equipment

Monitoring tools

Job description

NextLink Solutions is seeking a Network Operations Analyst to join our technical operations team, supporting a prestigious defence client in Brussels. You will ensure reliable enterprise network services, monitor performance, and implement security controls across campus and data centre environments.

The role emphasizes hands-on Cisco technologies, SD-Access, ACI, ISE, and collaboration with internal stakeholders and service providers to maintain availability and reliability.