Digital Infrastructure Engineer

Excelia is a multinational company in Consulting, Technology, and Professional Services with over 25 years of experience. We provide services in more than 50 countries across Europe, Latin America, and the United States through our 10 own offices.

Do you have experience in the area of Infrastructure and are you looking for a new challenge? Then this opportunity is for you!

🔹 Position: Digital Infrastructure Engineer
📍 Location: Mons, Belgium (100% on-site)

Main responsibilities:

• Implement and administer cyber security policies, configurations, and tools across enterprise infrastructure

• Provide Level 2/3 support for INF051 services, including:

  • Secure Web Proxies

  • Web Application Firewalls (WAF)

  • Email Gateways

  • Remote Access VPN

  • DNS and DHCP services

• Monitor, troubleshoot, and maintain enterprise edge and security infrastructure services

• Act as CISS representative within the Enterprise Security Operations Centre (ESOC)

• Support incident response, service restoration, and operational continuity activities

• Perform regular maintenance, upgrades, and performance tuning of infrastructure components

• Assist other work centres within NISC with technical support and coordination as required

• Support implementation of Secure Access Service Edge (SASE) architectures and solutions

• Contribute to cloud-based security services, including DDoS protection and secure configurations

• Ensure compliance, security directives, policies, and governance frameworks

• Participate in troubleshooting complex infrastructure and security issues

• Support automation, orchestration, and continuous improvement of infrastructure services

Mandatory requirements:

• Proven experience in implementing and maintaining enterprise network infrastructure

• Hands-on experience with:

  • DNS / DHCP solutions

  • Remote Access VPNs

  • Secure Gateways & Proxies

  • Firewalls & Load Balancers

  • Web Application Firewalls (WAF)

  • Intrusion Detection Systems (IDS)

• Experience with Secure Access Service Edge (SASE) implementation and management

• Experience with cloud-based security services, including:

  • DDoS protection

  • Web Application Firewall solutions

  • Secure cloud configurations

• Strong experience in technical troubleshooting and incident resolution

• Solid understanding of:

  • Cloud networking architecture and operations

  • Cyber security principles and technologies

  • Automation and orchestration tools

  • Zero Trust Networking concepts

  • Public Key Infrastructure (PKI)

• Knowledge of IT security frameworks and governance models

If you believe you are a good fit, don’t hesitate to apply for this opportunity 😉