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Internship in IT Network Infrastructure & Cybersecurity at ING Luxembourg – hands‑on experience in enterprise networking and cybersecurity.
Join our Tech Security & Infrastructure team, working with global engineers on cloud, hybrid and on‑premises projects from August 2026.
Role & work environment
As part of the strengthening of its Tech security & Infrastructure Department, ING Luxembourg is offering a contractual internship starting from August 2026 for a minimum period of 6 months.
Please note that we only consider students who are currently enrolled in a university or higher education institution and are able to provide a valid internship agreement (school convention).
The Infrastructure & Cybersecurity team is responsible for ensuring the availability, performance, resilience, and security of the Bank’s IT infrastructure. The team manages network services, connectivity, cloud and on‑premises infrastructure components, cybersecurity controls, and operational monitoring to support business‑critical banking services.
Working within a dynamic and international environment, you will have the opportunity to gain hands‑on experience in enterprise network technologies, IT operations, cybersecurity practices, infrastructure automation, and project delivery while collaborating with experienced engineers and architects.
You will report hierarchically to the Network & Infrastructure Lead and work closely with Infrastructure Engineers, Network Engineers, Security Specialists, and Project Managers across the organization.
Key responsibilities
As an Cybersecurity & Network Intern, you will actively contribute to the daily operations and strategic initiatives of the team while developing practical skills in enterprise IT environments.
Your responsibilities may include:
- Assisting in the monitoring and maintenance of network infrastructure, including LAN, WAN, Wi‑Fi, and internet connectivity services;
- Supporting the administration of network and security technologies such as firewalls, VPNs, switches, and load balancers;
- Participating in cybersecurity initiatives, including vulnerability management, security monitoring, access management, and compliance reviews;
- Contributing to infrastructure projects involving cloud, hybrid, and on‑premises environments;
- Helping maintain technical documentation, network diagrams, operational procedures, and inventories;
- Assisting in the analysis and resolution of incidents and service requests;
- Supporting capacity planning, performance analysis, and infrastructure optimization activities;
- Participating in testing, validation, and deployment activities during infrastructure changes and upgrades;
- Contributing to the development of dashboards, reports, and operational metrics;
- Collaborating with cross‑functional teams and external providers to ensure service continuity and security;
- Supporting automation and continuous improvement initiatives when applicable;
- Any other associated duties are required from time to time to meet the team's objectives and targets.
What You Will Learn
During your internship, you will gain exposure to:
- Enterprise networking technologies (Routing, Switching, DNS, DHCP, VPN);
- Network security concepts and cybersecurity best practices;
- Cloud and hybrid infrastructure environments;
- Infrastructure monitoring and observability platforms;
- IT Service Management (ITIL) processes;
- Infrastructure project management and Agile ways of working;
- Regulatory and security compliance requirements applicable to the banking sector.
Key Competences
A colleague with a talent for taking ownership, learning quickly, and collaborating effectively with others. You are curious about technology, eager to develop new skills, and motivated to contribute to innovative and secure IT solutions.
You enjoy solving problems, working in a team environment, and continuously improving processes while maintaining a strong focus on quality and security.
As an Infrastructure, Network & Cybersecurity Intern, you will also need:
- Currently pursuing a Bachelor's or Master's degree in Computer Science, Cybersecurity, Information Technology, Telecommunications, Network Engineering, or a related field;
- Strong interest in IT infrastructure, networking, and cybersecurity;
- Basic understanding of networking concepts such as TCP/IP, Routing, Switching, DNS, and VPN technologies;
- Basic knowledge of operating systems (Windows and/or Linux);
- Familiarity with cloud platforms, scripting, automation, or cybersecurity concepts would be considered an asset;
- Analytical mindset with strong problem‑solving skills;
- Good organization and attention to detail;
- Ability to work both independently and collaboratively;
- Strong communication skills;
- Fluent in written and spoken English; French is considered an advantage;
- Good knowledge of Microsoft Office tools (Excel, PowerPoint, Word).
Your working environment
With over 900 employees in the Grand Duchy and thanks to the combination of our local presence and the strength of a robust multinational like ING, we offer our business customers a wide range of solutions through the channel of their choice. ING is a global bank with a strong European base. 53,000 employees serve around 38.4 million customers, corporate clients, and financial institutions in over 40 countries. Operating in the Grand Duchy of Luxembourg since 1960 as a universal and accessible bank, our products include savings, payments, investments, loans and mortgages for private banking customers, whom we sever serve online and through our network of branches. For our Wholesale Banking clients, we provide lending, sustainable finance, payment & cash management and fund services.