Senior Network Security Engineer with AWS

Tata Consultancy Services; Irvine (CA); On-site; USD 100,000 - 140,000; Full time

Benefits offered by this job

Discretionary annual incentive

Medical coverage

401K plan

Training reimbursement

Paid time off

Sick leave & holidays

Job summary

Tata Consultancy Services in Irvine, CA is seeking a Senior Network Security Engineer with 10+ years of experience to design, implement, and manage enterprise-grade security infrastructure.

You will configure and maintain firewalls (Palo Alto, Cisco ASA/FTD, Fortinet, Check Point), VPNs, IDS/IPS, WAFs, and cloud security across on‑prem and cloud environments.

Qualifications

• Experience designing and implementing enterprise network security solutions.
• Proficiency with firewall platforms and threat mitigation strategies.
• Strong knowledge of security monitoring and risk assessment.

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 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.

Skills

Firewall management

IDS/IPS

SIEM

VPN

Web security

Networking concepts

Threat intelligence

Cloud security

Education

Bachelor's degree in Computer Science

Tools

Splunk

QRadar

ArcSight

Python

PowerShell

Bash

Ansible

Terraform

Job description

Senior Network Security Engineer

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.

Must Have Technical/Functional Skills

• 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
• Threat intelligence and security monitoring
• Cloud security (Azure/AWS/GCP)

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

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