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NTT DATA Logo NTT DATA · IT - Administration

Firewall Security Administrator

India, Bengaluru · Job Posted February 14, 2026
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Job Description

The Firewall Security Administrator role at NTT DATA involves leading the design and implementation of cloud-based firewalls in a Google Cloud Platform environment. Candidates should have a minimum of five years of experience in network security administration, preferably in the Financial Services sector. Strong communication skills and a bachelor's degree in Computer Science or IT are required. The position offers opportunities for operational support and collaboration with various teams.

Job Responsibility

  • Lead the evaluation and design of cloud-based firewalls as part of a greenfield Google Cloud Platform (GCP) environment
  • Communicate and coordinate designs and documentation with external vendors and internal technology focused teams, including senior management
  • Lead the onboarding, deployment, and integration of GCP cloud-based firewalls into business-as-usual Morgan Stanley systems and processes
  • Lead operational support for GCP cloud-based network security solutions (e.g. GCP cloud native firewalls and/or Fortinet / Palo Alto third-party vendor solutions
  • L3 operational support, including incident management and troubleshooting advanced issues and collaborating with technology peers internally and externally (e.g. vendors)
  • Implement monitoring of products and services to ensure a healthy and resilient infrastructure
  • Potential for off hour coverage via mobile phone (e.g. as part of an operational oncall system)
  • Creation/supplementation of operational runbooks
  • Assist in knowledge transfer (e.g. training global teammates via video recordings)

Requirements

  • Minimum Five years of network security administration experience preferably in the Financial Services sector
  • Bachelor’s Degree in Computer Science or IT equivalent to the job description is required
  • Knowledge and experience in cloud environments, with particular focus on Google Cloud Platform (GCP)
  • Knowledge and experience with common network security solutions (e.g. firewalls, Virtual Private Networks (VPNs), Network Address Translation (NAT), etc.)
  • Knowledge of packet filtering and stateful packet inspection
  • Scripting in any of the popular languages or tools (e.g. shell scripts, Python, Ansible, Github, Data pipeline, integration with third party vendor APIs)
  • Knowledge of fundamental on networking (e.g. routing, switching, VLANs, etc.)
  • Experience with host security (e.g., iptables, host-based firewalls)
  • Familiarity with Change Management and incident response techniques
  • Active interest in IT Security and general knowledge of Information Security
  • Excellent written and oral communication skills
  • fluent English is required
  • Strong interpersonal and communication skills
  • capable of writing documentation, making presentations to internal audience, and interacting positively with management, colleagues and customers
  • Independent problem-solving, highly motivated, and self-directing
  • Comfortable working in an engineering and support team with potential for heavy end user interaction
  • Ability to handle constantly changing flow of traffic
  • remain productive during slow times, be able to multitask effectively during busy times, exercise patience and professionalism during stressful situations

Nice to have

  • Experience with any of the firewall platforms: Fortinet, Palo Alto, Juniper, etc.
  • Understanding of networking and routing protocols (e.g. static routing, BGP, etc.)
  • Strong understanding of networking fundamentals (OSI model, TCP Stack, network design)
  • Experience in customer support and experience in interacting with business users
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