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Tata Consultancy Services · Irvine, CA

Senior Network Security Engineer with AWS

Irvine, CASenior individual contributor$100,000-$140,000Security

Last seen on Tata Consultancy Services’s official careers site on August 1, 2026; it may have closed since.

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Job description

Skill

Senior Network Security Engineer Must Have Technical/Functional Skills Strong experience with: Firewalls: Palo Alto, Cisco ASA/FTD, Fortinet, Check Point.

IDS/IPS & SIEM tools

Splunk, QRadar, ArcSight VPN Technologies: IPsec, SSL VPN Web Security: WAF, Secure Web Gateways Networking Concepts: TCP/IP, VLANs, Routing, Switching Expertise in: Network segmentation & Zero Trust architecture. Threat intelligence and security monitoring Cloud security (Azure/AWS/GCP)

Familiarity with: Scripting (Python, PowerShell, Bash).

Automation tools (Ansible, Terraform) Preferred Certifications

ISSP / CISM / CISA CCNP Security / CCIE Security PCNSE / Fortinet NSE Good to Have: Experience with SOC operations

  • Knowledge of DevSecOps practices Exposure to EDR/XDR technologies Roles & Responsibilities: Experience: 10 + Years Job Summary: We are seeking an experienced Network Security professional with over
  • 10 years of experience to design, implement, manage, and enhance enterprise-level network security infrastructure.

The ideal candidate will have deep expertise in security architecture, threat mitigation, and advanced network defense technologies.

Key Responsibilities

Design and implement robust network security architectures for enterprise environments. Manage and maintain firewalls, VPNs, IDS/IPS, WAF, and proxy solutions. Perform security assessments, risk analysis, and vulnerability management. Monitor network traffic and investigate security incidents and breaches. Lead incident response and forensic analysis activities. Implement and enforce network security policies, standards, and procedures.

Collaborate with cross-functional teams to secure cloud and on-prem environments. Ensure compliance with industry standards such as ISO 27001, NIST, PCI-DSS, GDPR (if applicable). Conduct regular security audits and penetration testing coordination. Stay updated with emerging threats, vulnerabilities, and security technologies. Salary Range - $100,000-$140,000 a year 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.

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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