Rackspace Technology is seeking a Senior Network Security Engineer with specialized expertise in firewall technologies, F5 application delivery controllers, and intrusion prevention/detection systems (IPS/IDS). This role involves designing, implementing, and maintaining enterprise and cloud network security infrastructure to protect against cyber threats. The ideal candidate will possess deep technical knowledge of security platforms, strong incident response capabilities, and the ability to lead operations in critical environments to ensure network resiliency, compliance, and security. Responsibilities include managing firewalls, optimizing F5 load balancers, deploying IPS/IDS, developing security architectures, creating security policies, conducting audits, monitoring security events, leading incident responses, and mentoring junior engineers.