Join to apply for the Network Administrator (m/f/d) role at SYNLAB InternationalAs the European market leader in laboratory diagnostics, the SYNLAB group operates internationally since 2010 with about 24,000 employees dedicated to human medicine.We are looking for a hands‑on Senior Network Administrator to design, implement, and operate our enterprise network across multiple international sites. The adecuado candidate brings deep expertise in next‑gen firewalls (Fortinet & Cisco Firepower), enterprise switching (Cisco & Juniper), and network automation. You will define network architectures, harden security, and streamline operations via scripting.Key ResponsibilitiesDefine scalable, secure LAN/WAN/SD‑WAN architectures and standards for global sitesProduce high‑quality HLD/LLD documentation, network diagrams, IP schemas, and security policiesEvaluate and select technologies aligned with performance, security, and cost goalsBuild & ImplementationInstall, configure, and optimize firewalls: Fortinet FortiGate and Cisco Firepower (including FMC, policy objects, IPS/IDS, SSL inspection,



HA clustering, SD‑WAN)Configure enterprise switches: Cisco Catalyst/Nexus and Juniper EX/QFX (VLANs, STP, LAG/MLAG, VRRP/HSRP, QoS, port‑security, 802.1X)Implement site rollouts, migrations, and cutovers with minimal downtimeMaintain and configure SASE platformOperation & SecurityOwn Level 3 incident/problem management; perform advanced troubleshooting (packet captures, flow analysis, logs)Maintain firewall and switch gold configs, rule hygiene, and change control (ITIL)Ensure compliance with security baselines, segmentation, and zero‑trust principlesMonitor capacity/performance and proactively remediate risksAutomation & ScriptingBuild and maintain automation for configuration, compliance checks, and deployments using Python and/or AnsibleDevelop scripts for backup/restore, inventory, API‑based object management (Fortinet/Cisco/Juniper)Work cross‑functionally with Workplace, Cloud, Security

📌 Network Administrator (Madrid)
🏢 Synlab International
📍 Madrid