Senior Network Security Engineer

Great assignments await you with our key account clients in rich and varied environments

We are looking for a Senior Network Security Engineer to join a Network Security team within a large and critical banking environment.

The consultant will be responsible for the operational management, maintenance and evolution of firewall infrastructures, with a strong focus on Palo Alto Networks and Fortinet technologies.

The role requires a hands-on and autonomous engineer with strong experience in firewall operations, security policy management, troubleshooting and production support.

• Operate and maintain Palo Alto and Fortinet firewall environments, using Panorama and FortiManager.
• Manage, implement and update firewall rules and security policies.
• Analyse network flows, firewall logs and existing rules to troubleshoot connectivity and security issues.
• Perform firewall rule optimisation, clean-up and security hardening.
• Support network security and segmentation requirements.
• Handle production activities including incidents, changes and service/information requests.
• Troubleshoot network and firewall-related incidents in production environments.
• Implement and follow up security-related changes in controlled PROD and NON-PROD environments.
• Contribute to the continuous improvement and security of the firewall infrastructure.
• Create and maintain technical and operational documentation.
• Collaborate with Network, Infrastructure, Cybersecurity and other technical teams.

You have the following skills

Must-have

• Strong experience in Network Security / Firewall Engineering
• Palo Alto Networks
• Panorama
• Fortinet / FortiGate
• FortiManager
• Firewall policy and rule management
• Network traffic and flow analysis
• Firewall troubleshooting
• Strong TCP/IP and networking fundamentals
• Incident & Change Management
• Experience in critical production environments

You have the following skills

Must-have

• Strong experience in Network Security / Firewall Engineering
• Palo Alto Networks
• Panorama
• Fortinet / FortiGate
• FortiManager
• Firewall policy and rule management
• Network traffic and flow analysis
• Firewall troubleshooting
• Strong TCP/IP and networking fundamentals
• Incident & Change Management
• Experience in critical production environments

Important

• Network segmentation and security zoning
• Firewall hardening and rule optimisation
• Log analysis
• Routing and network protocols knowledge
• Technical documentation
• ServiceNow or similar ITSM tools

Nice-to-have

• Check Point
• Cisco firewall technologies
• BGP / routing knowledge
• Firewall migration experience
• Network/security automation or scripting
• Experience in banking or another highly regulated environment

• You have at least 6 years of professional experiences in IT
• If you are at least fluent in FR/ENG or NL/ENG it’s best
• You’re eager to learn, motivated and curious
• Let’s have a chat

Advantages

• Hospitalization insurance (partner/children incl.)
• Group insurance
• Dental insurance (partner/children included)
• 20 days statutory paid vacations (legal vacations cumulated for 1 year of work)
• 11 days recovery time work 38/40 per year (= annual average: 1 day per 20 days worked) if the client asks you to work 8h/day
• Representation fee net per month.
• Internet fee of € 40 per month.
• Company car with national fuel card OR Public transport reimbursed OR mobility package.
• Daily fee of 5.50€ net /day provided.
• Subscription GSM unlimited calls for Belgium (ITS subscription)
• Training plan (e-learning - certification at ITS charge)
• Being a rather small team in BE (6 in back-office), we’re very close to each of our consultants and we differentiate ourselves trying to really take care of you and make you grow with us and within our different clients.
• Regular follow‑up (every 3 to 6 months depending on your needs/will)
• Regular teambuilding to meet‑up and have fun (every 3 months more or less)
• Flexibility and trust
• Benefits of still being part to a bigger group (ITS Group) and having access to resources and of a larger team of Experts
• Co‑optation system because sharing is caring
• 1st pre‑screening on the phone to discuss about your search and conditions and our first potential opportunities matching.
• Job descriptions sent and Teams meeting fixed with us (HR and Sales) to dig into your experience an