
Joining KEYES means giving purpose to your talent.
Are you looking for an environment where technology is not an end in itself, but a lever to build a sustainable future? At KEYES, we are not just looking for technical expertise; we are looking for people who share our values.
Do you want to continue your career and grow within one of Belgium’s leading IT companies?
Join KEYES as ICT Network Specialist!
KEYES supports private and public organizations in Belgium and across Europe in their digital transformation by combining business expertise, technological mastery, and a long-term vision.
We support large enterprises, the public sector, healthcare organizations, and SMEs in all their digital challenges Infrastructure & Cloud Solutions, Cybersecurity Solutions, Business Software Solutions, Mainframe Solutions, Data & AI Solutions, Advisory Solutions, and Staffing Solutions.
More information: www.keyes.eu
THE BACKGROUND
For our customer based in Warsaw, Poland - an European Institution, we are looking for ICT Network Specialist to join a long-term mission in the area of cybersecurity, public sector and law enforcement You will play a key role in managing business architecture, guiding solution designs, and fostering collaboration among business architects and project teams to ensure coherence with the customer’s long-term vision.
YOUR MISSION
Please note that, as the role is hybrid, it requires on‑site presence at the client’s headquarters in Warsaw, and you must be located within a 2–3 hour radius from Warsaw by ground transportation.
Your responsibilities will be as follows:
Administering, monitoring and troubleshoot IP networks
Administering the structural cabling system
Performing changes in physical and logical network configuration, installing and removing devices, cabling connections etc.
Provide 2nd line support to Client’s system and network users
Create and update the technical documentation and operating procedures
Advice possible network improvements, changes or upgrades to the network infrastructure
#LI-MS1
#TRASYS
YOUR PROFILE
University degree Bachelor’s degree
English level B2 (must either hold a certificate or be open to obtain one)
Technical knowledge mastered or to be developed together:
Very good understanding of TCP/IP protocols and IP routing
Very good understanding of Ethernet switching protocols
Good knowledge of network services like DNS, DHCP, NTP, etc.
Good understanding of the wired and wireless access technologies (wifi, 802.1x/EAP etc.)
Good understanding of the application-layer authentication and encryption mechanisms, e.g. HTTPS/SSL/TLS protocols, PKI and X.509 certificates
Hands-on experience with the products and solutions related to the domain (e.g. Cisco routers and switches, wireless controllers, network firewalls etc.)
Hands-on experience in administering of a large enterprise network
Valid certification relevant to the domain and professional experience e.g. minimum CCNA or equivalent
Good knowledge of the network configuration of the endpoint operating systems (Windows, Linux, IOS etc.)
Work experience with stateful and stateless traffic filtering
Soft skills:
A proactive attitude and team-work spirit
Very good analytical and trouble-shooting skills
Sound communication skills, both technical and non-technical
Do you recognise yourself in this description?
Do you want to learn more?
Apply now! You will be contacted shortly.

Face aux enjeux numériques, les décideurs IT, les directions générales et les responsables métiers qui portent l’avenir des petites et grandes organisations belges et européennes ne cherchent pas seulement un prestataire, mais un partenaire capable de combiner vision stratégique globale et solutions sur mesure. De sécuriser vos données, de moderniser vos infrastructures et de renforcer la résilience de votre organisation.
Bienvenue chez KEYES…
Acteur engagé de l’écosystème numérique, nous accompagnons les organisations privées et publiques, en Belgique et en Europe, dans leur transformation digitale.
Notre groupe, qui combine la puissance d’un leader (Top 3 ICT en Belgique) avec la proximité d’un expert local, conçoit et déploie des solutions globales et souveraines, créatrices de performance et d’agilité.
Nos expertises
Présent dans des domaines clés tels que la santé, le secteur public, les grandes organisations et les PME, KEYES s’appuie sur un large éventail d’expertises :
· Cloud : Des solutions hybrides et souveraines pour une infrastructure flexible
· Cybersecurity : Une protection proactive pour garantir l'intégrité de vos systèmes
· Business Software : Des applications métiers pour optimiser vos processus
· Mainframe : La maîtrise et la modernisation de vos systèmes critiques
· Data & AI : Transformer vos données en leviers de décision stratégique
· Advisory : Un accompagnement stratégique pour éclairer vos choix technologiques
· Staffing : Les meilleurs talents IT pour renforcer vos projets
Chez KEYES, nous croyons qu'une technologie responsable est le moteur d'une société plus performante.
Guidée par les enjeux métiers de nos clients et la recherche de valeur durable, nos 3.700 experts ne se contentent pas d'installer des solutions ; ils partagent votre vision, anticipent vos risques et bâtissent, avec vous, le futur numérique de la Belgique.
Unlock the change. Envision the future.