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Network Security Engineer

Job in St. Louis, Saint Louis, St. Louis city, Missouri, 63105, USA
Listing for: Tata Consultancy Services
Per diem position Listed on 2026-11-08
Job specializations:
  • IT/Tech
    Cybersecurity, Network Security, Systems Engineer
Salary/Wage Range or Industry Benchmark: 105000 - 125000 USD Yearly USD 105000.00 125000.00 YEAR

Job Description & How to Apply Below

Location: St. Louis

Job Description Must Have Technical/Functional Skills
  • Demonstrated professional experience in network or security engineering, with the ability to independently design, implement, and support enterprise network security solutions.
  • Experience securing AWS and/or Azure environments.
  • Hands-on experience with next-generation firewalls, preferably Palo Alto.
  • Strong knowledge of network segmentation, security operations, and risk assessment.
  • Ability to perform security reviews, identify gaps, and implement remediation actions.
  • Working knowledge of WAF, IPS, web proxy, and DLP technologies.
  • Experience creating technical standards, documentation, and architecture diagrams.
  • Familiarity with Ansible, Terraform, scripting, APIs, and security monitoring/reporting tools.
  • Strong communication, collaboration, and mentoring skills.
  • Flexibility to support after-hours or on-call work when needed.
Roles & Responsibilities
  • The Network Security Engineer 3 will design, implement, and support enterprise network and cloud security solutions, with a focus on segmentation, firewall management, secure design, and risk reduction.
  • Design and support secure network and cloud solutions across enterprise environments.
  • Configure and manage next-generation firewalls, preferably Palo Alto.
  • Develop network segmentation and secure architecture patterns.
  • Perform security reviews and risk assessments, identify gaps, and drive remediation.
  • Support WAF, IPS, web proxy, DLP, and related security technologies.
  • Create and maintain standards, architecture diagrams, and technical documentation.
  • Automate repeatable security activities using Ansible, Terraform, scripting, or APIs where appropriate.
  • Partner with infrastructure, cloud, application, and cybersecurity teams to reduce risk and strengthen security practices.
  • Support security incidents, production changes, and after-hours activities when required.

Salary Range-$105,000-$125,000 a year

#LI-KR3

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 & Professional Growth:
    Commuter Benefits & Certification & Training Reimbursement.a
  • Time Off:
    Vacation, Time Off, Sick Leave & Holidays.
  • Legal & Financial Assistance:
    Legal Assistance, 401K Plan, Performance Bonus, College Fund, Student Loan Refinancing
Location

Saint Louis, MO

Function

TECHNOLOGY

Role

Senior Engineer

438317

Skills

Network Security

Salary Range

$105,000 - $125,000

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