Senior Network Operations & ISE Specialist

Contact One Communications, Inc.; Brussel Hoofdstad; Sur place; EUR 70 000 - 100 000; Plein temps

Résumé du poste

Contact One Communications, Inc. in Brussels is seeking a network engineer with an active NATO SECRET clearance to provide 1st/2nd line support for enterprise network infrastructure and ensure service continuity.

You will install, configure, and troubleshoot routing, switching, DNS/DHCP/IPAM, ISE, and related technologies, monitor performance, and maintain documentation and SOPs. The role requires collaboration with internal teams and external providers, strong problem solving, and the ability

Qualifications

• Active NATO SECRET clearance required.
• Bachelor degree with 4+ years related experience.
• Cisco Certified Network Professional (CCNP) certification required.
• Experience supporting Campus (SD-Access) and Datacenter networks (ACI).
• Experience with DNS, DHCP, IPAM.
• Experience with Cisco ISE.
• Experience with network monitoring systems.
• Experience with Wireless networks and multi-tenant environments.
• Knowledge of firewall systems and load balancing.
• Experience in security assessments and implementing controls.

Responsabilités

• Provide first- and second-line support for enterprise network infrastructure and resolve incidents promptly.
• Install, configure, replace, maintain, and troubleshoot routing, switching, authentication, and related network technologies.
• Monitor network performance, identify issues, and implement corrective or preventive actions.
• Support Cisco Identity Services Engine (ISE) administration for client provisioning, moves, additions, and changes.
• Perform routine operational maintenance, including configuration management, backups, and health verification.
• Support network infrastructure projects through staging, testing, deployment, migration, and acceptance activities.
• Maintain SOPs, technical documentation, and configuration records for operational continuity.
• Collaborate with internal teams and external providers to coordinate activities.
• Identify opportunities for process and infrastructure improvements and recommend solutions.

Connaissances

NATO SECRET clearance

Cisco networking

Network monitoring

ISE administration

DNS/DHCP/IPAM

Routing & switching

Security controls implementation

Documentation & SOPs

Project coordination

Independent yet collaborative

Formation

Bachelor degree

Outils

Cisco Prime

Zabbix

Infoblox

VMware

Splunk

PKI certificates

NDFC

Description du poste

Contact One Communications, Inc. in Brussels is seeking a network engineer with an active NATO SECRET clearance to provide 1st/2nd line support for enterprise network infrastructure and ensure service continuity.

You will install, configure, and troubleshoot routing, switching, DNS/DHCP/IPAM, ISE, and related technologies, monitor performance, and maintain documentation and SOPs. The role requires collaboration with internal teams and external providers, strong problem solving, and the ability