ppJoin to apply for the bNetwork Administrator (m/f/d) /b role at bSYNLAB International /b /p pAs the European market leader in laboratory diagnostics, the SYNLAB group operates internationally since 2010 with about 24,000 employees dedicated to human medicine. /p pWe are looking for a hands‑on Senior Network Administrator to design, implement, and operate our enterprise network across multiple international sites. The idóneo 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. /p h3Key Responsibilities /h3 ul liDefine scalable, secure LAN/WAN/SD‑WAN architectures and standards for global sites /li liProduce high‑quality HLD/LLD documentation, network diagrams, IP schemas, and security policies /li liEvaluate and select technologies aligned with performance, security, and cost goals /li /ul h3Build Implementation /h3 ul liInstall, configure, and optimize firewalls: Fortinet FortiGate and Cisco Firepower (including FMC, policy objects, IPS/IDS, SSL inspection, HA clustering, SD‑WAN) /li liConfigure enterprise switches: Cisco Catalyst/Nexus and Juniper EX/QFX (VLANs, STP, LAG/MLAG, VRRP/HSRP, QoS, port‑security, 802.1X) /li liImplement site rollouts, migrations, and cutovers with minimal downtime /li liMaintain and configure SASE platform /li /ul h3Operation Security /h3 ul liOwn Level 3 incident/problem management; perform advanced troubleshooting (packet captures, flow analysis, logs) /li liMaintain firewall and switch gold configs, rule hygiene, and change control (ITIL) /li liEnsure compliance with security baselines, segmentation, and zero‑trust principles /li liMonitor capacity/performance and proactively remediate risks /li /ul h3Automation Scripting /h3 ul liBuild and maintain automation for configuration, compliance checks,



and deployments using Python and/or Ansible /li liDevelop scripts for backup/restore, inventory, API‑based object management (Fortinet/Cisco/Juniper) /li liWork cross‑functionally with Workplace, Cloud, Security, and Site Operations teams /li liSupport audits and contribute to policy development and continuous improvement /li liMentor junior engineers; act as technical escalation point /li /ul h3Required Qualifications /h3 ul li5–8+ years in enterprise networking with multi‑site/global exposure /li liProven expertise with Fortinet FortiGate and Cisco Firepower (FMC), policy creation, NAT, VPN (IPsec/SSL), and HA /li liStrong experience with Cisco and Juniper switching (Layer 2/3, routing protocols OSPF/BGP, EVPN/VXLAN nice to have) /li liSolid understanding of network security (segmentation, NAC/802.1X, IDS/IPS, TLS inspection), DNS/DHCP/IPAM, and PKI fundamentals /li liAutomation: proficiency in Python and/or Ansible; experience with Git workflows /li liExperience operating under ITIL (Change/Incident/Problem) and creating high‑quality documentation /li liExcellent communication skills; comfortable in an international environment /li liLanguage: Professional German and English required /li liCertifications (one or more): Fortinet NSE 4/5/6 (NSE 7 plus), Cisco CCNP Enterprise or CCNP Security (CCIE plus), Security: CompTIA Security+ or CISSP (plus) /li /ul h3Nice‑to‑have /h3 ul liFamiliarity with cloud networking (Azure) /li liExposure to modern NAC (Cisco ISE, Aruba Clearpass), SASE/ZTNA, and wireless (Cisco Meraki, Juniper Mist AI) /li liObservability tools (SolarWinds, Zabbix, Grafana) /li /ul h3What We Offer /h3 ul liA demanding, varied and challenging activity in a successful and fast‑growing international company /li liSpace for an independent and self‑sufficient way of working /li liA friendly and open working atmosphere /li liAn expert environment with flat hierarchies and short ways for decisions /li liA dynamic team that is looking forward to meeting you! /li /ul /p #J-18808-Ljbffr

📌 Network Administrator (m/f/d) (Barcelona)
🏢 Synlab International
📍 Barcelona