Senior Network and Security Engineer

About Proximus NXT

Proximus NXT Luxembourg supports all organizations in their digital transformation, by providing holistic ICT & Telecommunication solutions, as well as tailored managed services. With our partners and customers, we co-create opportunities and enable growth in a secure and sustainable manner. As a result of our unique expertise in next-gen IT services, mobile and advanced connectivity, we help our customers achieve their ambitions and realize their vision.

Together with them and our partners we implement sovereign and trusted solutions that make people work smarter.– www.proximusnxt.lu

Your mission :

The Senior Network & Security engineer will be responsible for the design, implementation, and operational management of the European Union Agency for Asylum (EUAA)’s network, security, and hybrid cloud infrastructure. This includes oversight of data center switches, WAN / LAN architecture, Cisco SDA, and cloud connectivity. The role also involves providing project management advisory support for infrastructure modernization and lifecycle transitions.

Work Location and Travel

Our client’s Headquarters is in Malta; however remote work from home and when needed, from one of their satellite offices based in Brussels, Madrid, Rome, Cyprus, and Athens is allowed as agreed with their IT management department. The infrastructure also includes a Disaster Recovery (DR) site in Strasbourg, which will require quarterly onsite presence, each lasting approximately one week. All travel will be coordinated in advance with our client’s IT management and aligned with project or maintenance schedules.

Key Responsibilities

• Lead operations and maintenance of Cisco LAN / WLAN infrastructure (Catalyst 2960, 3850, Nexus, and DC series).
• Manage Palo Alto firewalls (PA-220, PA-820 / 850 / 5220 / 3410) and Panorama for centralized policy control.
• Supervise data center network fabric, including core and aggregation switch configurations.
• Provide project management and advisory support for network / security upgrades, migrations, and cloud integration projects.
• Assist in defining technical roadmaps aligned with EOS / EOL timelines and cloud adoption strategy.
• Implement and maintain hybrid connectivity between on-premises infrastructure and cloud environments (Azure / AWS).
• Develop and maintain network topology, security architecture, and configuration documentation.
• Troubleshoot complex network and security incidents, coordinating with SOC and vendors when needed.
• Mentor junior engineers and contribute to skill development across the team.
• Participate in audits, compliance checks and capacity planning activities.

Your profile : Technical Skills :

Education

Bachelor’s or master’s degree in IT, Telecommunications or related field.

Soft Skills

Certifications (preferred)

Our offer :

A professional and stimulating work environment in the IT & telecom sector. Multiple career opportunities within the Proximus Group at national and international level, cutting-edge training in new technologies, a wealth of recognized expertise. We also offer an attractive salary package and many other benefits.

Our company is an equal opportunity employer, valuing diversity in all its forms. We firmly believe that each individual brings a unique richness to our teams, and we are committed to creating an inclusive environment where every voice counts.

If at the end of the process your application is successful, you will be asked to provide an extract from your criminal record. Your personal information will be handled in compliance with applicable data protection laws.