Cybersecurity & Network Security Specialist

Location: Luxembourg | Full-time | On-site

About the Opportunity

On behalf of one of our international clients, we are looking for an experienced Cybersecurity & Network Security Specialist to join its Luxembourg office.

This position offers a unique opportunity to take ownership of the local IT environment while playing a critical role in protecting the company's network infrastructure and cybersecurity operations.

The scope of this position extends across Europe. The successful candidate will provide cybersecurity expertise and technical advises to the Group's European subsidiaries, particularly small and medium-sized entities, with regular business travel across Europe.

Network security will be at the heart of this position. The successful candidate will act as a key guardian of the company's network infrastructure, ensuring its security, resilience, and integrity against evolving cyber threats.
The role combines approximately 70% cybersecurity responsibilities, with a strong focus on network security, and 30% end-user IT support.

As the sole IT professional based in Luxembourg, the successful candidate will report to the Group Holding in Luxembourg, while receiving technical guidance and support from the US-based cybersecurity team.

Beyond technical expertise, we are looking for a hands-on professional who enjoys interacting with business stakeholders, can communicate complex technical concepts in a clear and accessible way, and thrives in a collaborative, international environment.

Key Responsibilities

Network Security & Cybersecurity

• Manage, maintain, and strengthen the security of the company's network infrastructure, including firewalls, VPNs, network segmentation, and secure connectivity.
• Provide hands-on cybersecurity expertise and technical guidance to the Group’s European subsidiaries, particularly small and medium-sized entities, including regular business travail across Europe.
• Configure, monitor, and troubleshoot next-generation firewalls (NGFW), intrusion detection and prevention systems (IDS/IPS), and other network security solutions.
• Identify, assess, and remediate network vulnerabilities, ensuring the implementation of appropriate security controls and best practices.
• Monitor security events, investigate potential threats, and contribute to incident detection, response, and remediation activities.
• Support the implementation and continuous improvement of identity and access management (IAM), endpoint protection, and Zero Trust security principles.
• Contribute to securing Microsoft environments, including Active Directory, Microsoft Entra ID, Azure, and Microsoft 365.
• Collaborate with international cybersecurity and IT teams to implement security policies, standards, and infrastructure improvements.
• Participate in cybersecurity projects aimed at strengthening the organization's overall security posture.

IT Operations & End-User Support

• Act as the primary point of contact for all IT-related matters within the Luxembourg office.
• Provide hands-on Level 1 and Level 2 technical support to local employees, ensuring efficient resolution of hardware, software, and connectivity issues.
• Install, configure, maintain, and troubleshoot workstations, laptops, peripherals, and business applications.
• Support user onboarding and offboarding, including equipment preparation, account provisioning, and access management.
• Ensure the smooth operation of the local IT environment and coordinate with international IT teams or external providers when required.
• Build strong relationships with local business stakeholders, understanding their operational needs and providing practical, user-oriented IT solutions.

Your Profile

Technical Expertise

• +5 years of professional experience in IT infrastructure, network engineering, cybersecurity, or related technical environments.
• Strong hands-on expertise in network security, including firewalls, VPNs, routing, switching, VLANs, and network segmentation.
• Proven experience administering and securing enterprise network infrastructures.
• Solid understanding of TCP/IP, DNS, DHCP, and network troubleshooting.
• Experience with next-generation firewall technologies; knowledge of Palo Alto Networks solutions would be a strong advantage.
• Good knowledge of cybersecurity principles, vulnerability management, endpoint protection, and security incident response.
• Experience with Microsoft environments, including Active Directory, Microsoft Entra ID, Microsoft 365, and Azure security.
• Ability to troubleshoot Windows and macOS environments and provide practical end-user support.
• Familiarity with security frameworks, industry best practices, and relevant cybersecurity certifications would be appreciated.

Professional Background & Communication

• Comfortable operating autonomously as the sole on-site IT resource while collaborating with international technical teams.
• Strong service mindset and genuine interest in supporting business users.
• Ability to explain technical issues and cybersecurity risks clearly to non-technical stakeholders.
• Excellent interpersonal and communication skills, with the ability to build trust across different functions and seniority levels.
• Pragmatic, proactive, and solution-oriented approach to technical challenges.
• Professional fluency in English; French or German would be an advantage.

Language requirement

• Fluent professional English is required, both written and spoken.
• French and/or German proficiency is strongly preferred.
• Additional European language capabilities are considered an advantage.