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Network Security Engineer

Job in Plano, Collin County, Texas, 75086, USA
Listing for: Tata Consultancy Services
Full Time position
Listed on 2026-08-22
Job specializations:
  • IT/Tech
    Cybersecurity, Network Security
Salary/Wage Range or Industry Benchmark: 120000 - 135000 USD Yearly USD 120000.00 135000.00 YEAR
Job Description & How to Apply Below
  • 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.
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.
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.
Qualifications
  • BACHELOR OF COMPUTER SCIENCE
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