Senior Network Specialis

Our client is a large retail market chain with few hundred shops located in Poland.

• Minimum 5 years of experience in network administration within distributed, multi-site environments (retail preferred)
• Expert-level knowledge of Fortinet solutions (FortiGate, FortiManager, FortiAnalyzer)
• Strong hands-on experience with Azure Networking (VNet, peering, site-to-site VPN, vWAN)
• Solid understanding of routing protocols (BGP, OSPF) and VLAN configuration
• Basic working knowledge of Microsoft Cloud environments (Entra ID, Azure IaaS) to support cross-team operations
• Fluency in English
• Strong sense of ownership and responsibility for critical infrastructure
• Problem-solving mindset with the ability to diagnose complex distributed network issues

• Designing, implementing, and maintaining the company-wide SD-WAN network based on Fortinet solutions across retail stores and headquarters
• Managing Azure networking components, including Virtual Networks, VPN Gateways, ExpressRoute, and Network Security Groups to ensure secure hybrid connectivity
• Configuring, maintaining, and troubleshooting FortiGate firewalls, switches, and access points, including security policies and firmware updates
• Monitoring network performance and security logs, proactively identifying and resolving bottlenecks and threats
• Acting as a 3rd line (L3) escalation point for critical network incidents
• Mentoring and supporting the Junior Infrastructure Specialist (L2) in daily network operations
• Cooperating closely with the Senior Cloud Specialist to ensure seamless integration between network and cloud layers
• Providing operational backup for cloud-related tasks during absences (basic Azure administration, VM management)
• Creating and maintaining network documentation, topology diagrams, and standards
• Managing ISP vendors and coordinating connectivity rollouts for new retail locations