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