Trainee NetSec (Internship September 2026)

Les entreprises et les gouvernements comptent sur Thales pour apporter de la confiance aux milliards dinteractions numériques quils établissent avec les utilisateurs. LActivité Mondiale Identité & Sécurité Numériques (DIS) fournit des technologies et services (des logiciels sécurisés en passant par la biométrie ou encore le cryptage) qui permettent aux entreprises ainsi quaux gouvernements de vérifier des identités et de protéger les données afin quelles restent sûres.

Internship Opportunity

Network & Cloud Security Intern

Department: Network Security (NetSec)

Location: Zaventem Belgium

Duration: 36 months (September 2026)

Level: Master students / Final-year Bachelor (Cybersecurity IT Engineering)

About the Internship

We are offering internship opportunities within our Network & Cloud Security (NetSec) team.

This internship provides hands-on exposure to real-world enterprise security environments covering:

• Cloud Security
• OT / Industrial Security
• Detection & Response
• Infrastructure as Code
• Security Innovation & Automation

Interns will work on strategic technical and research-oriented projects with the objective of producing deployable solutions proof-of-concepts comparative studies or automation frameworks.

Internship Topics

Below is a non-exhaustive list of possible subjects.

Cloud Security

• Microsoft Security Copilot
• Development of automated O365 / Azure / AWS audit tools (CIS MS DSC ISO frameworks)
• Zero Trust architecture implementation in AWS Azure and GCP
• Incident response & digital forensics in cloud environments
• Data encryption strategies (at rest & in transit)
• Microsoft Priva (GRC / ISG integration)

Projects may include:

• Automation development
• Compliance alignment
• Architecture design
• Risk analysis and mitigation

Focus areas:

• Pipeline automation
• Secure coding best practices
• Cloud-native security controls

OT & Industrial Security

• Creation of an OT lab (IEC104 Modbus MQTT DNP3 TIA Portal)
• OT solution comparison (Armis Defender for OT Nozomi Trend Micro)
• Secure remote access in ICS environments (VPN jump servers OT PAM)
• (I)IoT device security assessment & hardening
• OT honeypot deployment and threat analysis
• Embedded device security in industrial control systems

Projects may involve:

• Lab simulation
• Vulnerability assessment
• Hardening implementation
• Comparative evaluation reports

General Cybersecurity & Innovation

• DLP technology comparison (Varonis Netskope Microsoft Purview)
• Fortinet full fabric implementation
• SYSLOG / Mini-SIEM implementation
• AI-driven firewall or threat detection research (inspired by Darktrace-like models)
• Splunk architecture deployment via Terraform & Ansible
• Puppet server automation project
• Secure deployment of local AI (ChatGPT-like) with sandboxing & risk mitigation
• Advanced malware analysis & reverse engineering
• Compliance automation (GDPR HIPAA PCI-DSS)
• XDR / EDR comparison (HarfangLab Defender Trend Micro etc.)
• SIEM comparison (Splunk Sentinel QRadar ELK open-source)
• MS PKI lab implementation
• Active Directory compromise & secure migration scenario
• Gamified social engineering awareness platform
• Social engineering awareness campaign design & execution

What You Will Gain

• Hands-on experience in enterprise-grade security environments
• Exposure to modern cloud & OT infrastructures
• Experience in automation & Infrastructure-as-Code
• Research & comparative analysis experience
• Mentorship from experienced security engineers

Profile Required

• Masters or final-year Bachelor student in Cybersecurity IT Network Engineering or related field
• Strong interest in cloud network and infrastructure security
• Analytical mindset and structured approach
• Ability to work independently and produce technical documentation
• Scripting skills (Python PowerShell Bash) are a strong plus
• Knowledge of cloud platforms (Azure AWS GCP) is an asset
• Familiarity with networking fundamentals (TCP/IP firewalls VPN DNS)

Important Note

The internship subjects listed above represent a preliminary and non-exhaustive set of ideas.

We strongly encourage students to propose their own internship topics particularly those aligned with:

• Emerging cybersecurity trends
• AI-driven security
• Cloud-native security innovation
• Automation and scalable security services

Thales entreprise Handi-Engagée reconnait tous les talents. La diversité est notre meilleur atout. Postulez et rejoignez nous !

Thales entreprise Handi-Engagée reconnait tous les talents. La diversité est notre meilleur atout. Postulez et rejoignez nous !

Required Experience:

Intern

Employment Type : Full-Time
Experience: years
Vacancy: 1