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Depuis plus de 20 ans, alltitude SA est une société suisse de conseil et de services informatiques. Nous contribuons directement au succès des projets de nos clients par la qualité des prestations que délivrent nos consultants. Notre approche est basée sur le respect strict des valeurs humaines et les rapports de proximité que nous entretenons avec nos employés et nos clients. Nous sommes en permanence à la recherche de talents en informatique pour accompagner le développement de nos activités.
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Type de contrat : Permanent
Type de contrat : Contract
Type de contrat : Mission
Entrée en fonction :
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Profitez de votre démarche pour nous faire part de vos attentes et de vos motivations, type de poste recherché, localisation, souhaits de rémunération, … c’est peut-être l’opportunité de donner un nouvel élan à votre carrière et d’accéder à la prochaine étape de votre parcours professionnel. Nous nous réjouissons de pouvoir vous accompagner !

Pour augmenter vos chances de trouver l’emploi qui vous correspond, consultez régulièrement toutes nos annonces d’emploi sur www.alltitude.com/current-jobs et rejoignez notre groupe alltitude IT Carreer opportunities sur LinkedIn.
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<script type="application/ld+json">{"@context":"https://schema.org","@type":"JobPosting","datePosted":"2025-07-02T09:39:33+00:00","description":"<p>The Senior Network Engineer is responsible for the design, implementation, and optimization of global network infrastructure, with a focus on high availability, performance, and security across both on-premises and cloud environments.</p><p>The role includes leading network-related projects, providing third-level support, and collaborating with IT, cybersecurity, and external partners to ensure seamless operations.</p><p>&nbsp;</p><ul><li>Design, implement, and manage global LAN/WAN, wireless, VPN, firewall, and Azure/AWS network infrastructures</li><li>Monitor, optimize, and secure network performance; maintain documentation, DR plans, and asset inventory</li><li>Lead network projects and contribute to cross-functional IT initiatives with Cybersecurity, Dev Engineering, and Service Desk teams</li><li>Manage vendors and coordinate technical deliverables; ensure global connectivity, including VOIP and A/V systems</li><li>Provide 3rd-level and on-call support, including for residences and critical services outside business hours</li><li>Ensure compliance with best practices, scalability, and security standards across all environments</li></ul><p>&nbsp;</p><p><strong>Technical Skills &amp; Tools</strong></p><ul><li><strong>Networking</strong>: Cisco, HP, Juniper, VLAN, QoS, BGP, OSPF</li><li><strong>Security</strong>: Fortinet firewalls, IDS/IPS, IPSEC, SSL VPNs</li><li><strong>Cloud</strong>: Microsoft Azure (core), AWS</li><li><strong>Monitoring</strong>: PRTG, Zabbix, SolarWinds, Wireshark</li><li><strong>VOIP &amp; A/V</strong>: Network-integrated audio/video and telephony support</li><li><strong>Automation (a plus)</strong>: Python, PowerShell, Ansible</li><li>Strong knowledge of enterprise network protocols, hybrid/cloud architectures, and security best practices</li></ul><p><strong>Qualifications</strong></p><ul><li>10+ years in enterprise network engineering</li><li>CCNA required; CCNP preferred</li><li>Strong knowledge of Cisco/HP, Azure, routing, switching, wireless</li><li>Familiar with ITIL and enterprise architecture principles</li><li>Project coordination and vendor management experience</li></ul><p><strong>Languages</strong></p><ul><li>Excellent command of <strong>English and French</strong> (spoken and written)</li></ul><p><strong>Key Attributes</strong></p><ul><li>Proactive and autonomous</li><li>Analytical and solution-oriented</li><li>Strong communicator and team player</li><li>Adaptable and quick to learn</li></ul>","hiringOrganization":"{\n \"@type\" : \"Organization\",\n \"name\" : \"alltitude SA\",\n \"sameAs\" : \"http://www.alltitude.com\",\n \"logo\" : \"http://www.alltitude.com/images/logo.png\"\n }","jobLocation":{"address":{"@type":"PostalAddress","streetAddress":"","addressLocality":"Genève","addressRegion":"","postalCode":"","addressCountry":"CH"}},"title":"Senior Network Engineer"}</script>