Groupe Aptenia

Job Vacancy Administrateur / Ingénieur Réseau & Sécurité

Tourcoing (59)

Groupe Aptenia

Job position

Permanent
Contractor
As soon as possible
10 years
40k-50k €, 330-500 €
2 to 5 years experience
Hybrid
Tourcoing, Hauts-de-France
Published on 25/11/2025

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  • Assurer l’administration quotidienne des réseaux LAN/WAN et garantir leur performance et disponibilité.

  • Gérer et sécuriser les firewalls (Fortinet, Check Point), appliquer les bonnes pratiques cybersécurité.

  • Participer aux projets d’évolution du SI : installation, configuration et modernisation des architectures réseau.

  • Définir les standards techniques, rédiger et maintenir la documentation réseau.

  • Mettre en place la supervision pour assurer la haute disponibilité et intervenir en support N2/N3.

  • Identifier les risques, proposer des actions préventives/correctives et renforcer la résilience du SI.

  • Contribuer au PCA/PRA, aux tests, aux plans d’action et aux audits.

  • Collaborer avec l’équipe IT, accompagner les utilisateurs et garantir la cohérence des infrastructures.

Candidate profile

• Ingénieur réseau/sécurité avec 5 ans d’expérience.
• Maîtrise Fortinet/Check Point, Azure AD, VMware et environnements Microsoft.
• Bonne communication, autonomie, rigueur, anglais avancé.
• Capacité à piloter les sujets réseau et sécurité.

Working environment

• Équipe IT à taille humaine : admins système, techniciens support, responsable d’exploitation.
• Open space collaboratif, forte proximité opérationnelle.
• Participation active aux projets, autonomie et rôle central sur les sujets réseau & sécurité.

Lyon, Auvergne-Rhône-Alpes
20 - 99 employees
Consultancy firm
𝐀𝐩𝐭𝐞𝐧𝐢𝐚 – 𝐘𝐨𝐮𝐫 𝐄𝐱𝐩𝐞𝐫𝐭 𝐈𝐓 𝐑𝐞𝐜𝐫𝐮𝐢𝐭𝐦𝐞𝐧𝐭 𝐅𝐢𝐫𝐦 Aptenia is a specialized recruitment agency designed to meet the specific needs of companies seeking top talent. Based in London, Paris, and Lyon, we position ourselves as a key player in sourcing rare and strategic profiles. Our mission is to help clients achieve their hiring goals, reduce vacancy downtime, and maximize productivity by quickly finding the right talent. We are committed to building a service that values expertise and understands business challenges. With a proven network of qualified candidates, we connect top technical experts with fast-growing tech companies. 💻 𝐎𝐔𝐑 𝐈𝐓 & 𝐓𝐄𝐂𝐇 𝐄𝐗𝐏𝐄𝐑𝐓𝐈𝐒𝐄 🔒 𝐂𝐲𝐛𝐞𝐫𝐬𝐞𝐜𝐮𝐫𝐢𝐭𝐲 : Risk management, infrastructure protection, and information system security. ☁️ 𝐂𝐥𝐨𝐮𝐝 : Migration, architecture, and infrastructure optimization (AWS, GCP, Azure). 📊 𝐃𝐚𝐭𝐚 𝐒𝐜𝐢𝐞𝐧𝐜𝐞 & 𝐌𝐚𝐜𝐡𝐢𝐧𝐞 𝐋𝐞𝐚𝐫𝐧𝐢𝐧𝐠 : Big Data, analytics, artificial intelligence, and machine learning engineering. 🤖 𝐀𝐫𝐭𝐢𝐟𝐢𝐜𝐢𝐚𝐥 𝐈𝐧𝐭𝐞𝐥𝐥𝐢𝐠𝐞𝐧𝐜𝐞 : Automation, deep learning, and AI solutions. ⚙️ 𝐄𝐑𝐏/𝐂𝐑𝐌 : Expertise in SAP, Salesforce, and Microsoft Dynamics. We recruit within the top 1% to 3% of talent in France, offering a modern and efficient recruitment approach that enables companies to sustain growth and profitability. By choosing Aptenia, you gain a tailor-made approach and a strategic partner to build high-performing and long-lasting teams.

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Administrateur / Ingénieur Réseau & Sécurité

Groupe Aptenia

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