Vos missions
Great assignments await you with our key account clients in rich and varied environments
In the context of strengthening cybersecurity, the mission aims to recruit a Senior Network Security Engineer responsible for ensuring the protection of the organization’s network infrastructures.
The consultant will primarily be involved in the design, implementation, and maintenance of network security measures to prevent cyberattacks and unauthorized access. The role also includes continuous monitoring of network environments, detection and management of security incidents, as well as conducting security audits and vulnerability assessments.
The position has a strong operational dimension, including diagnosing and resolving complex network security issues, while working closely with IT teams to enhance security and continuously improve the infrastructure.
A Senior Network Security Engineer plays a crucial role in protecting an organisation's network infrastructure. Here is a typical description of their duties within a team:
in responsibilities:
Design and implementation of network security measures:
Develop and deploy security strategies to protect networks from cyber attacks and unauthorised access.
Configure and maintain firewalls, VPNs, and other security devices.
Network performance monitoring and management:
Continuously monitor networks to detect and respond to security incidents.
Perform 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.
You have the following skills
Skills :
Network Management and Routing: Understanding of fundamental network management principles, including router and switch configuration and management. Knowledge of routing protocols and concepts such as dynamic routing, static routing, and inter-domain routing. In addition, this includes Express Route, ISP connection, WiFi network, DNS solutions, and TACACS.
Network Security: Expertise in setting up and managing firewalls, VPN solutions, proxies (forward and reverse), and load balancers.
Cloud Security and Secure Access: Understanding of cloud environment security, including protection of data in transit and at rest, and secure access. Proficiency in the ZTNA concept.
Security Incident Management: Ability to detect and respond to security incidents, analyse threats, and respond to vulnerabilities.
Automation and Scripting: Skills in automating network tasks to improve operational efficiency, using common scripting languages.
Knowledge of Operating Systems: Familiarity with operating systems used in network environments.
Security Standards and Protocols: Knowledge of network security standards and cryptographic protocols for securing communications.
Communication: Ability to explain complex technical concepts in a clear and understandable way to non-technical people.
Problem solving: Ability to quickly analyse and 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: Competence in managing multiple tasks and projects, meeting deadlines and priorities.
Active DirectoryLevel Advanced Most recent experience This year
AlgosecLevel Advanced Most recent experience This year
AnsibleLevel Expert Most recent experience This year
Express RouteLevel Intermediate Most recent experience This year
FirewallLevel Advanced Most recent experience This year
IP RoutingLevel Intermediate Most recent experience This year
Load BalancingLevel Expert Most recent experience This year
MPLSLevel Intermediate Most recent experience This year
NetskopeLevel Advanced Most recent experience This year
Problem ManagementLevel Advanced Most recent experience This year
ProxyLevel Expert Most recent experience This year
ScriptingLevel Expert Most recent experience This year
SwitchingLevel Intermediate Most recent experience This year
syslogLevel Expert Most recent experience This year
VPN IPSECLevel Advanced Most recent experience Any time
VPN SSLLevel Expert Most recent experience This year
WAFLevel Expert Most recent experience This year
WiFiLevel Intermediate Most recent experience This year
Votre profil
You have at least 3 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 13.04.2026
Bruxelles
CDI
Entité : ITS Group Benelux
Anglais
Français
Néerlandais
Expérience 3 ans et < 5 ans
Fonction managériale : Non
Mobilité : Non
Mode de poste : Hybride (site/télétravail)
Salaire : Salary conform to experience.
Réf. SA0138
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
