Network Security Engineer
Apply now »Date: Feb 2, 2026
Location: BENGALURU, KA, IN
Company: NTT DATA Services
What You’ll Do In The Role
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. {D Part 2: Scope of Role What you'll bring pre-set content based on tier framework + role-specific bullets}
What You’ll Bring To The Role
Overall 10 years of total professional experience.
- At least 5 years relevant experience would generally be expected to find the skills required for this role.
- 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
What You’ll Do In The Role
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. {D Part 2: Scope of Role What you'll bring pre-set content based on tier framework + role-specific bullets}
What You’ll Bring To The Role
Overall 10 years of total professional experience.
- At least 5 years relevant experience would generally be expected to find the skills required for this role.
- 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
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Cisco, Linux, Unix, Network, Technology