Network Security Engineer (Zscaler ,Infoblox, F5 BIG-IP LTM/GTM Exp.)

K&K Global Talent Solutions Inc. is an international recruiting agency that has been providing technical resources in the Canada and the USA region since 1993. This position is with one of our clients in USA, who is actively hiring candidates to expand their teams. Job Title: Network Security Engineer (Zscaler ,Infoblox, F5 BIG-IP LTM/GTM Exp.) Location: Plano, TX /Onsite Position type: Full time/Permanent role Descriptions: Must Have Technical/Functional Skills Experience: 10 years in network security engineering, application delivery, or similar roles. Infoblox: Hands-on experience with Infoblox DDI/IPAM administration. Zscaler: Deep knowledge of Zscaler ZIA, ZPA, PAC files, and DLP engines. F5: Proficiency in F5 BIG-IP LTM/GTM administration, including iRules and SSL certificate management. Firewalling: Strong experience with Palo Alto Networks firewalls (Palo Alto experience preferred). Networking Fundamentals: In-depth knowledge of TCP/IP, BGP, OSPF, VLANs, and DNS. Automation: Familiarity with scripting languages (Python/Ansible) to streamline operations. Core Competencies Troubleshooting: Expert analytical skills for debugging complex traffic, authentication, and network issues using Wireshark. Collaboration: Ability to work with cross-functional teams to align network security with business objectives. Communication: Strong written and verbal skills for creating procedures and reporting to stakeholders. Education & Certifications Bachelor’s degree in computer science, Information Technology, or equivalent experience. Roles & Responsibilities F5 Load Balancing & Application Delivery: Design, configure, and troubleshoot F5 BIG-IP LTM (Local Traffic Manager) and GTM (Global Traffic Manager) to ensure high availability, security, and performance of critical applications. Zscaler Security Suite (SASE): Implement and manage Zscaler Internet Access (ZIA) and Zscaler Private Access (ZPA) to secure user access and enforce policies for web traffic and private applications. Infoblox DDI Management: Deploy and manage Infoblox DNS, DHCP, and IP Address Management (IPAM) solutions. Responsible for core network functionality. Firewall & Security Policy: Configure and manage enterprise firewalls (e.g., Palo Alto Networks) to enforce network security policies, including NAT, zone-based firewalling, and threat prevention. Operational Excellence: Administer PAC files for proxy traffic routing, maintain SSL inspection policies, and troubleshoot network traffic flows. Documentation & Compliance: Create and maintain network documentation, including diagrams, configurations, and change management procedures, ensuring audit readiness.