Vos missions
Great assignments await you with our key account clients in rich and varied environments
A Senior Network Security Engineer plays a crucial role in protecting an organisation’s network infrastructure. Here is a typical description of their responsibilities within a team:
Key responsibilities:
Configuring and deploying automation solutions
Creating playbooks
Providing technical support
Coaching the internal network team
Designing and implementing network security measures:
Developing and deploying security strategies to protect networks against cyberattacks and unauthorised access.
Configuring and maintaining firewalls, VPNs and other security devices.
Network performance monitoring and management:
Continuously monitor networks to detect and respond to security incidents.
Conduct regular security audits and vulnerability assessments.
Troubleshooting and technical support:
Diagnose and resolve network security issues.
Provide advanced technical support and collaborate with other teams to resolve incidents.
Communication: Ability to explain complex technical concepts clearly and in a way that is understandable to non-technical staff.
Problem-solving: Ability to analyse and quickly resolve network security issues.
Leadership: Ability to lead and mentor teams, sharing knowledge and training junior members.
Adaptability: Flexibility to adapt to new technologies and rapid changes in the field of IT security.
Time management: Ability to manage multiple tasks and projects, meeting deadlines and prioritising effectively.
Documentation: Creation and updating of processes (NIS2).
You have the following skills
Network Management and Routing: Understanding of the fundamental principles of network management, including the configuration and management of routers and switches. Knowledge of routing protocols and concepts such as dynamic routing, static routing and inter-domain routing. In addition, this includes ExpressRoute, ISP connectivity, Wi-Fi networks, DNS solutions and TACACS
Network Security: Expertise in the deployment and management of firewalls, VPN solutions, proxies (forward and reverse) and load balancers
Cloud Security and Secure Access: Understanding of securing cloud environments, including the protection of data in transit and at rest, and access security. Proficiency in the ZTNA concept.
Security Incident Management: Ability to detect and respond to security incidents, analyse threats, and address vulnerabilities.
Automation and Scripting: Skills in automating network tasks to improve operational efficiency, using common scripting languages.
Knowledge of Operating Systems: Familiarity with the operating systems used in network environments.
Security Standards and Protocols: Knowledge of network security standards and cryptographic protocols to secure communications.
Continuing Education and Certifications (optional but beneficial): Commitment to ongoing training and obtaining professional certifications in network management and security.
Security+: Fundamentals of network security (optional but beneficial)
Soft Skills
1. Adaptability and Rapid Learning: Quickly assimilate existing applications and processes, and adapt to new environments and technologies.
2. Effective Communication: Communicate clearly with technical and non-technical teams, and explain complex concepts in an understandable way.
3. Collaboration and Teamwork: Work collaboratively with various teams, including business, development, and support teams.
4. Problem-Solving: Identify and analyze technical problems, and propose creative and pragmatic solutions.
5. Time and Priority Management: Effectively manage time and priorities to meet project deadlines and objectives.
6. Results Orientation: Focused on achieving results, with a strong motivation to see projects through to completion.
7. Attention to Detail: Paying close attention to detail during requirements analysis, development, testing, and documentation.
8. Stress Management and Flexibility: Effectively managing stress and remaining flexible in the face of unforeseen changes and challenges.
9. Ability to Autonomously: Working independently while reporting to the domain manager.
10. Openness to New Technologies: Curious and open to new technologies and industry developments.
Language Skills
French or Dutch: Excellent
Second Language: French or Dutch: Good
English: Good
Votre profil
You have at least 5 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)
Extra advantages:
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 6months 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!
Processus de recrutement
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!
En ligne depuis le 20.04.2026
Bruxelles
CDI
Entité : ITS Group Benelux
Anglais
Français
Néerlandais
Fonction managériale : Non
Mobilité : Non
Mode de poste : Sur Site
Salaire : Salary conform to your experience and skills
Réf. SA0232
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.
Find out more: www.itsgroup.com