Firewall Lead,Network Lead, ISM

NTT DATA strives to hire exceptional, innovative and passionate individuals who want to grow with us. If you want to be part of an inclusive, adaptable, and forward-thinking organization, apply now.

We are currently seeking a Firewall Lead,Network Lead, ISM to join our team in Noida, Uttar Pradesh (IN-UP), India (IN).

Job Summary

We are seeking an experienced Cisco IronPort Web Security Appliance (WSA) Engineer to manage, administer, and support enterprise web security infrastructure. The ideal candidate will be responsible for deploying, configuring, troubleshooting, and optimizing Cisco Secure Web Appliance (formerly Cisco IronPort WSA) solutions to ensure secure internet access, web filtering, malware protection, and compliance with organizational security policies. Cisco Secure Web Appliance provides URL filtering, application visibility and control, malware protection, HTTPS inspection, and web traffic monitoring capabilities.

Key Responsibilities

• Administer and support Cisco IronPort / Cisco Secure Web Appliance (WSA) environments.
• Configure and maintain Web Proxy, Access Policies, Identity Policies, and Decryption Policies.
• Manage URL Filtering, Application Visibility & Control, and Acceptable Use Policies.
• Implement and maintain HTTPS inspection (SSL Decryption) policies.
• Configure Authentication services including LDAP, Active Directory, NTLM, Kerberos, and SSO integration.
• Monitor web traffic, user activity, and security incidents through WSA reporting and logging tools.
• Configure malware protection, reputation filtering, and Advanced Malware Protection (AMP).
• Integrate WSA with SIEM platforms such as Splunk, QRadar, ArcSight, or Microsoft Sentinel.
• Manage WCCP/PBR deployments for transparent proxy integration with network devices.
• Perform software upgrades, patch management, backup, and disaster recovery activities.
• Analyze security events, investigate threats, and recommend remediation actions.
• Create operational documentation, SOPs, and technical reports.
• Collaborate with network, security, and infrastructure teams to improve web security posture.
• Troubleshoot proxy, authentication, SSL, certificate, and internet access issues.

Required Skills

Technical Skills

• Hands-on experience with Cisco IronPort WSA / Cisco Secure Web Appliance.
• Strong understanding of:
• Web Proxy Technologies
• URL Filtering
• HTTPS/SSL Inspection
• Malware Detection and Prevention
• Application Control
• Authentication Mechanisms (LDAP, AD, NTLM, Kerberos)
• TCP/IP, DNS, HTTP/HTTPS protocols
• WCCP and Proxy Architecture
• Experience with Cisco Talos threat intelligence and AMP integration.
• Knowledge of log analysis and SIEM integration.
• Familiarity with network security technologies including Firewalls, IPS, VPN, and Secure Web Gateways.
• Experience with Linux/Unix administration is an advantage.

Security Skills

• Secure Web Gateway (SWG) Administration
• Threat Analysis and Incident Response
• Web Content Filtering
• Secure Internet Access Controls
• Policy Management and Compliance

Required Qualifications

• Bachelor's Degree in Computer Science, Information Technology, Cybersecurity, or related field.
• 3-8+ years of experience in Web Security Administration.
• Minimum 2+ years of hands-on experience with Cisco IronPort WSA/SWA.

Preferred Certifications

• Cisco CCNP Security
• Cisco Certified Specialist - Security

Key Deliverables

• Secure and uninterrupted web access for enterprise users.
• Effective web filtering and policy enforcement.
• Reduction of malware and phishing incidents.
• Timely resolution of web security-related incidents and requests.
• Compliance with organizational security standards and regulatory requirements.

Experience Level

• Mid-Level: 3-5 Years
• Senior-Level: 5-10+ Years

Employment Type

• Full-Time / Permanent
• Hybrid

About NTT DATA

NTT DATA is a $30 billion business and technology services leader, serving 75% of the Fortune Global 100. We are committed to accelerating client success and positively impacting society through responsible innovation. We are one of the world's leading AI and digital infrastructure providers, with unmatched capabilities in enterprise-scale AI, cloud, security, connectivity, data centers and application services. our consulting and Industry solutions help organizations and society move confidently and sustainably into the digital future. As a Global Top Employer, we have experts in more than 50 countries. We also offer clients access to a robust ecosystem of innovation centers as well as established and start-up partners. NTT DATA is a part of NTT Group, which invests over $3 billion each year in R&D.

Whenever possible, we hire locally to NTT DATA offices or client sites. This ensures we can provide timely and effective support tailored to each client's needs. While many positions offer remote or hybrid work options, these arrangements are subject to change based on client requirements. For employees near an NTT DATA office or client site, in-office attendance may be required for meetings or events, depending on business needs. At NTT DATA, we are committed to staying flexible and meeting the evolving needs of both our clients and employees. NTT DATA recruiters will never ask for payment or banking information and will only use @nttdata.com and @talent.nttdataservices.com email addresses. If you are requested to provide payment or disclose banking information, please submit a contact us form, .

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