Cyber Security Infrastructure Engineer

abra is looking for an experienced Cyber Security Infrastructure Engineer to join a large-scale, mission-critical technology environment and take a hands-on role in operating, maintaining, and securing advanced information security infrastructure. This role combines cyber security, application delivery, networking, and infrastructure operations, with a strong focus on F5 BIG-IP technologies and troubleshooting complex security and network environments. Ben Gurion Airport Area Key Responsibilities Operate, maintain, configure, and troubleshoot information security systems and infrastructure. Monitor logs, configurations, connectivity, and security controls. Identify and resolve security infrastructure issues through full resolution. Work extensively with F5 BIG-IP technologies , including LTM, ASM/WAF, APM, and CIS Container Ingress Service. Configure and maintain security solutions according to organizational security requirements. Participate in projects from planning and design through implementation. Troubleshoot complex networking and security issues across different layers and protocols. Work with external vendors and technical teams on troubleshooting, support, and installations. Create and maintain technical documentation and operational procedures. At least 3 years of Information Security experience , or relevant academic/professional training combined with the required experience. At least 2 years of hands-on Information Security experience within the last 5 years in an organization with 1,000+ users . At least 3 years of experience within the last 5 years in Application Delivery & Security , including hands-on experience with F5 BIG-IP: LTM, ASM/WAF, APM, and CIS Container Ingress Service . Proven knowledge of information security systems, data communications, and Windows/Linux environments. Strong networking knowledge and troubleshooting capabilities, including the OSI model, routing protocols, subnetting, and routing priorities . Familiarity with cloud security architecture. Native-level Hebrew and strong English communication skills. Advantages Graduate of a recognized Infrastructure or Information Security course. 3 years of experience within the last 5 years working with WAF solutions. 3 years of experience within the last 5 years working with NGFW infrastructure. 3 years of experience within the last 5 years working with Cisco routing and switching technologies. Experience with scripting and automation using Python, Bash, or similar technologies .