Senior Network & Firewall Engineer (Check Point)

................ For our client in Zurich, we are looking for an Senior Network & Firewall Engineer (Check Point) In this project, you will take on a key role in managing, securing, and optimizing a highly complex, business-critical network infrastructure within a Software as a Service (SaaS) environment serving multiple financial institutions. You will ensure the stability, security, and performance of enterprise network and firewall environments, with a particular focus on Check Point technologies, advanced networking, and high availability. Working closely with infrastructure, cloud, and security teams, you will contribute to the continuous improvement of secure and reliable network solutions. Your Tasks: Administration, configuration, maintenance, and troubleshooting of Check Point Next Generation Firewalls (NGFW) Management of Check Point Security Management, SmartConsole, Security Gateways, and firewall policies Configuration and optimization of NAT, VPN connectivity, firewall rules, and network segmentation Operation and continuous improvement of complex enterprise network infrastructures in a business-critical SaaS environment Analysis and resolution of advanced network issues involving TCP/IP, BGP, OSPF, VLANs, routing, and switching Implementation and maintenance of high-availability solutions, including Check Point ClusterXL Execution of firewall upgrades, migrations, patching, and security hardening activities Ensuring secure connectivity and network isolation across multiple customer environments Troubleshooting of network performance, availability, and connectivity issues Participation in incident management, root cause analysis, and change management processes Collaboration with infrastructure, cloud, security, and application teams on network optimization and modernization initiatives Your Profile: Professional experience in Network Engineering, Network Security, or Firewall Administration Extensive hands-on experience with Check Point Firewalls, including configuration, administration, policy management, and troubleshooting Strong expertise in enterprise networking, routing, switching, and network security In-depth knowledge of TCP/IP, BGP, OSPF, VLANs, NAT, IPsec VPNs, and network segmentation Proven experience working with large-scale, complex network infrastructures Experience supporting high-availability, security-critical production environments Good understanding of multi-tenant environments, secure customer connectivity, and network isolation Experience in banking, financial services, FinTech, or enterprise SaaS environments is highly desirable Knowledge of Check Point VSX, Multi-Domain Security Management (MDSM), and ClusterXL is an advantage Check Point certifications (CCSA/CCSE) are an advantage Experience with cloud networking (AWS/Azure) and network automation tools such as Python, Ansible, or Terraform is a plus Strong analytical and troubleshooting skills with a structured, independent, and solution-oriented approach Excellent communication skills and ability to collaborate with cross-functional technical teams Fluent English skills are required, German language skills are an advantage Find Jobs in Switzerland on Arbeitnow