Operations Manager with Network (Cisco) and Network Security - Belgium

Global Technology Solutions Ltd.; Brussel Hoofdstad; Sur place; EUR 90 000 - 130 000; Plein temps

Résumé du poste

Global Technology Solutions Ltd. in Belgium is seeking an Operations Manager with expertise in Cisco network infrastructure and network security. You will own OT and enterprise network operations, drive incident resolution, and govern changes in production environments.

The role requires 8+ years experience, hands-on Cisco/LAN/WAN knowledge, and strong English and Dutch communication. You will collaborate across plant, IT, cybersecurity, and vendors to increase resilience and service quality.

Qualifications

• OT and enterprise networks with strong L3 technical expertise.
• Dutch and English language skills are mandatory.
• Experience leading incidents, changes and governance in production environments.

Responsabilités

• Own end-to-end OT infrastructure and network operations to ensure service reliability.
• Lead major incidents, troubleshooting, escalations, and service recovery activities.
• Manage controlled changes within production-sensitive environments.
• Collaborate with plant teams, engineering, IT, cybersecurity and vendors.
• Improve operational visibility through documentation, risk tracking and governance.

Connaissances

Leadership

Incident management

Communication

L3 escalation management

Outils

Cisco routers and switches

LAN/WAN

Firewalls (Palo Alto)

VPN

Panorama-managed environments

Backup and recovery

Description du poste

Role: Operations Manager with Network (Cisco) and Network Security (Belgium)

Experience: 8+ years

Languages: Dutch and English (mandatory)

Role Summary

Responsible for managing and supporting OT infrastructure, enterprise networks, and security services. The role requires strong L3 technical expertise, ownership of operational stability, incident management, change governance, and continuous improvement across industrial and enterprise environments.

Key Responsibilities

• Own end-to-end OT infrastructure and network operations to ensure service reliability.
• Maintain critical industrial environments with minimal operational impact.
• Lead major incidents, troubleshooting, escalations, and service recovery activities.
• Manage controlled changes within production-sensitive environments.
• Work closely with plant teams, engineering, IT, cybersecurity, and external vendors.
• Improve operational visibility through documentation, risk tracking, and process improvements.

Technical Expertise Required

• Strong experience with OT infrastructure supporting industrial environments.
• Hands-on knowledge of:
• Cisco routers and switches
• LAN/WAN and datacenter connectivity
• Firewalls and security controls
• VPN and remote connectivity
• Backup and recovery solutions
• Site and endpoint infrastructure

Network & Security Responsibilities

• Provide L3 support for enterprise network environments.
• Troubleshoot complex issues involving:
• Routing and switching
• OSPF/BGP/static routing
• HSRP/VRRP
• ACLs
• Packet loss, latency, and connectivity issues
• Manage Palo Alto firewall operations including:
• Security policies
• NAT
• VPN
• Traffic analysis
• Firewall troubleshooting
• Panorama-managed environments
• Lead P1/P2 incidents and act as escalation point for complex issues.
• Perform root cause analysis and implement corrective actions.
• Support network migrations, upgrades, and service changes.
• Ensure proper validation, rollback planning, and documentation.

Operational Responsibilities

• Manage tickets, escalations, SLA performance, and service priorities.
• Provide technical guidance to L1/L2 teams.
• Coordinate with vendors, carriers, cloud teams, and application teams.
• Support service reviews and operational reporting.

Governance & Improvement

• Maintain:
• Network diagrams
• SOPs
• Support procedures
• Ensure security and change processes are followed.
• Identify opportunities for optimization, automation, and improved resilience.

Required Skills

• Strong Palo Alto firewall expertise.
• Advanced troubleshooting across network and security domains.
• Experience with enterprise, datacenter, branch, and hybrid environments.
• Knowledge of ITIL processes and operational governance.

Soft Skills

• Strong ownership and leadership during incidents.
• Excellent communication and stakeholder management.
• Ability to manage L3 escalations independently.
• Strong analytical and problem-solving skills.

Preferred Skills

• Cloud networking and security exposure.
• Monitoring and log analysis experience.
• Automation/scripting knowledge.

Expected Outcomes

• Stable network and OT infrastructure operations.
• Faster resolution of critical incidents.
• Improved service resilience and reduced recurring issues.
• Strong documentation and operational governance.