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Network Security Engineer

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NTT DATA

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Location:
India , Bengaluru

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Category:
IT - Software Development

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Contract Type:
Not provided

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Salary:

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Job Description:

The Network Security Engineer role involves designing and implementing security solutions for IoT/OT environments. Candidates should have at least 10 years of experience, with a focus on IoT security tools and network protocols. Strong collaboration and vendor management skills are essential. This position offers opportunities for innovation and automation in security processes.

Job Responsibility:

  • Participate in security design, proof-of-concept testing, certification and onboarding of Armis Centrix IoT/OT security solution
  • Ensure vendors and contractors meet SLAs and delivery targets
  • Collaborate with cross-functional teams to discuss, review and design the solution and integration
  • Present designs/solutions to wider audience for input and review, including senior management or security teams
  • Create network diagrams and related documentation to propose solutions
  • Create new operational procedures/runbooks, as required
  • Identify opportunities to develop tools and automation of managed products
  • Diagnosis and troubleshooting of systems, networks, and applications as required
  • Collaborating with project managers and members of the enterprise networking, enterprise computing, end-user computing, and/or tech risk organizations
  • Provide expert level support for junior level operation teams on IoT/OT security solution
  • Liaise, manage and govern vendor of IoT/OT security solution to provide world-class level of services
  • On-call shift is required

Requirements:

  • Overall 10 years of total professional experience
  • At least 5 years relevant experience
  • Hands-on experience with IoT/OT security solution (e.g. Armis Centrix, Forescout, Darktrace, Claroty)
  • Experience with UNIX/Linux administration & containers
  • Experience with Network Access Control (NAC) technologies, with particular focus on 802.1x and MAC Authentication Bypass (MAB), including Cisco ISE (or similar vendor solutions)
  • Experience working with automation and scripting (e.g. Python, Ansible, third-party vendor APIs)
  • Experience with networking fundamentals (e.g. VLANs, MPLS, BGP, Proxying)
  • Experience in deploying observability tools (e.g. Graphana, Prometheus)
  • Experience with large-scale network security design and documentation
  • Experience with threat detection and mitigation process for OT/IoT product
  • Experience supporting delivery of high profile projects to strict deadlines

Additional Information:

Job Posted:
February 14, 2026

Employment Type:
Fulltime
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