Internship Opportunity
Network & Cloud Security Intern
Department: Network Security (NetSec)
Location: Zaventem Belgium
Duration: 3–6 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
- Master’s 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 !Skills Required
- Master's 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)
- Knowledge of cloud platforms (Azure, AWS, GCP)
- Familiarity with networking fundamentals (TCP/IP, firewalls, VPN, DNS)
Thales Compensation & Benefits Highlights
The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about Thales and has not been reviewed or approved by Thales.
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Retirement Support — Retirement plans with employer contributions and matches, profit sharing, and share purchase opportunities are emphasized across multiple regions. These elements are positioned as competitive components of total rewards.
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Leave & Time Off Breadth — Generous PTO that increases with tenure, paid holidays, and paid military, maternity, and paternity leave are described. This breadth supports work–life balance across locations.
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Flexible Benefits — Hybrid work options, flexible schedules, and parental supports such as childcare benefits and leave for sick children are available in several markets. Flexibility is presented as a core part of the employee experience.
Thales Insights
What We Do
Thales is a global high technology leader investing in digital and “deep tech” innovations – connectivity, big data, artificial intelligence, cybersecurity and quantum technology – to build a future we can all trust, which is vital to the development of our societies. The company provides solutions, services and products that help its customers – businesses, organisations and states – in the defence, aeronautics, space, transportation and digital identity and security markets to fulfil their critical missions, by placing humans at the heart of the decision-making process.
