Senior Network Security Engineer

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Senior Network Security Engineer Goodman Masson are currently working alongside the world's leading professional services firm, in search for a Senior Network Security Engineer to work in their offices based in London.The Senior Network Security Engineer is responsible for ensuring the availability and efficient operations of the companies global network-related security infrastructure. Responsibilities:Change and configuration management of firewall policies.Performing Tier 3/4 incident troubleshooting.Deep dive root cause analysis.Problem and solution patching.Capacity Management and system upgrades to network security infrastructure.Participation in Cyber Security Incident Response activities. Key Skills & Requirements:5+ years of network security experience within large-scale operations.One or more of the following: Cisco ASA, FirePower, Palo Alto, BlueCoat Proxy, Zscaler, F5 ASM and/or FireEye.Expertise knowledge of TCP/IP and related protocols and with collecting and evaluating HTTPS & TCP/IP dumps using Wireshark, HTTPWatch, tcpdump, Fiddler and similar tools.Strong analytically, problem-solving, and root cause analysis skills relating to security operations technologies.Excellent verbal, written and collaborative interpersonal communication skills.Working knowledge of Unix/Linux CLI.Bonus Qualifications:Administration of Blue Coat Proxy SG 250-430 certification.Blue Coat Proxy Administrator or Professional (BCCPA or BCCPP) certification.PaloAlto Networks PCNSE v8 certifications.FireEye HX & NX experience and certifications.F5 Application Security Manager (ASM) expertise & Exam 303-BIG-IP ASM Specialist.Cisco ASA & Firepower with CCNA CyberOps, CCNA Security, and/or CCNP Security certifications.Experience operating within AWS and Azure environments.SANS/GIAC certifications.