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 and the role.
• Package proposal so we all agree beforehand.
• Your CV is sent to the different clients you’ve agreed to, to find the best mission for you!

For more than 25 years, ITS Group has been a French ESN specializing in digital transformation, employing around 1,400 employees across 8 agencies in France and 1 in Belgium.

Our expertise: IT infrastructure & operations, cloud & managed services, mobility, workstations & networks, strategy, consulting & AMO, cybersecurity, development of business applications.

ITS Group places its CSR commitment at the heart of its concerns by developing sustainable and responsible digital technology and by promoting the professional and personal development of its employees.