Senior Network and Security Engineer

StudySmarter; Germany (OH); On-site; USD 50,656 - 84,427; Full time

Benefits offered by this job

Attractive salary package

Cutting-edge training in new technologies

Multiple career opportunities

Job summary

StudySmarter is seeking a Senior Network & Security Engineer to lead the design and operational management of their network and cloud infrastructure. The role involves significant responsibility in managing Cisco LAN/WLAN systems, Palo Alto firewalls, and cloud connectivity. Ideal candidates possess strong leadership skills, a relevant degree, and experience in the networking domain. This position offers a competitive salary package and a stimulating work environment with opportunities for career growth in the IT and telecom sector.

Qualifications

• Strong leadership and project coordination capabilities.
• Fluent in English; any other EU language being considered as an asset.

Responsibilities

• Lead operations and maintenance of Cisco LAN/WLAN infrastructure.
• Manage Palo Alto firewalls for centralized policy control.
• Supervise data center network fabric configurations.
• Troubleshoot complex network and security incidents.

Skills

Cisco switching/routing

Palo Alto NGFW

Cloud networking

Network monitoring tools

Scripting (Python or Ansible)

Education

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

Tools

SolarWinds

Cisco DNA Center

Job description

Job Description

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

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.

Technical Skills

• Cisco switching/routing (IOS, IOS-XE, NX-OS) and wireless (Aironet, Catalyst APs).
• Experience with Cisco Software-Defined Access (SDA) and DNA Center for automation and policy management.
• Palo Alto NGFW and Panorama.
• Cloud networking and security (Azure VNets, AWS VPCs, VPN/IPSec tunnels).
• Data center fabric design and operations (spine-leaf, virtualization, VLANs, ACLs, BGP, OSPF).
• Network monitoring tools (SolarWinds, Cisco DNA Center, etc.).
• Project coordination and reporting for infrastructure programs.
• Scripting (Python or Ansible) – desirable.

Education

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

Soft Skills

• Strong leadership and project coordination capabilities.
• Excellent communication and documentation skills.
• Analytical mindset with a proactive approach to risk and lifecycle management.
• Ability to collaborate across technical and business teams to drive modernization initiatives.
• Fluent in English; any other EU language being considered as an asset.

Certifications (preferred)

• Cisco CCNP Enterprise or CCNP Data Center
• Palo Alto Networks Certified Network Security Engineer (PCNSE)
• Microsoft Azure Administrator or AWS Solutions Architect (Associate)
• ITIL v4 Foundation
• Prince2 Foundation or PMI-PMP (desirable)

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.

Salary: EUR 43200 - 72000 per year