Network Security Engineer

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.

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.

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Role: Senior Engineer

Desired skills: Network Security

Qualifications: BACHELOR OF COMPUTER SCIENCE

• Experience: 10 - 15 Years

• Job function: TECHNOLOGY

• Location: Plano, TX

Salary range: $120,000–$135,000

Apply by: 2026-08-24 00:00:00