Senior Network Security Engineer UK (L3)

A leading managed services provider in Cardiff seeks a Senior Network Security Engineer to deliver exceptional support within its infrastructure. The ideal candidate will have over 7 years of experience in networking/security, with strong skills in NSX-T, Palo Alto, and Cisco technologies. Responsibilities include troubleshooting complex customer issues, engineering security solutions, and mentoring junior staff. This role emphasizes customer satisfaction and proactive service delivery in a dynamic environment.