[Skip to main content](#main-content) [OpenNash Jobs](https://jobs.opennash.com/) [Hiring report](/reports/hiring/) · [All Tata Consultancy Services jobs](https://jobs.opennash.com/companies/tata-consultancy-services/) · [Search jobs](/search/) Tata Consultancy Services · Plano, TX # Network Security Engineer Plano, TX $120,000 to $135,000 Security Last seen on Tata Consultancy Services’s official careers site on August 1, 2026; it may have closed since. [Apply on Tata Consultancy Services’s careers site →](https://ibegin.tcsapps.com/candidate/jobs/418785J) [OpenNash Jobs](https://jobs.opennash.com/) / [Tata Consultancy Services](https://jobs.opennash.com/companies/tata-consultancy-services/) / Network Security Engineer ## Job description 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. ### 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. ### Base Salary Range $120,000 to $135,000 Per Annum TCS Employee Benefits Summary: Discretionary Annual Incentive. ### Comprehensive Medical Coverage Medical & Health, Dental & Vision, Disability Planning & Insurance, Pet Insurance Plans. ### Family Support Maternal & Parental Leaves. ### Insurance Options Auto & Home Insurance, Identity Theft Protection. ### Convenience & Profe ssional Growth Commuter Benefits & Certification & Training Reimbursement. ### Time Off Vacation, Time Off, Sick Leave & Holidays. ### Legal & Financial Assistance Legal Assistance, 401K Plan, Performance Bonus, College Fund, Student Loan Refinancing. #LI-SV2 #LI-KUMARAN