NAC Senior Analyst

NTT America, Inc.; Dadri; On-site; INR 900,000 - 1,300,000; Full time

Job summary

NTT DATA is seeking a NAC Senior Analyst in Noida, Uttar Pradesh, India, to design, deploy, and manage Cisco ISE NAC solutions. The role emphasizes AAA configuration, endpoint profiling, policy management and cross-team collaboration to strengthen security posture.

The ideal candidate will have 5+ years of hands-on Cisco ISE experience, familiarity with SIEM integrations, and strong networking security knowledge. No weekly travel requirements with onsite work in Noida.

Qualifications

• Minimum 5+ years of experience with Cisco ISE and NAC environments.
• Strong understanding of network security concepts, authentication, authorization and accounting protocols.

Responsibilities

• Design and implement Cisco ISE solutions; integrate third party security tools to strengthen posture.
• Configure AAA protocols (RADIUS, TACACS+) on Cisco ISE for secure network access.
• Develop and maintain endpoint profiling policies for device classification.
• Deploy and manage NAC using Cisco ISE to enforce security policies and compliance.
• Define and manage access control policies, posture assessments and identity-based controls.
• Integrate Cisco ISE with SIEM, identity providers and network infrastructure.
• Troubleshoot Cisco ISE configurations, authentication issues, licensing and load balancer problems.
• Maintain documentation and provide training on Cisco ISE configurations and procedures.
• Plan upgrades and patches for Cisco ISE deployments and coordinate with Cisco TAC as needed.
• Collaborate with network, security and IT teams to ensure cohesive security posture.
• 5+ years Experience Cisco ISE

Skills

NAC

Network Security

Authentication & Authorization

Tools

Cisco ISE

Job description

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,

We are currently seeking a NAC Senior Analyst to join our team in Noida, Uttar Pradesh (IN-UP), India (IN).

In this role, Candidate is expected with an experience in core areas such as Authentication, Authorization, and Accounting, NAC (Network Access Control), and troubleshooting. The ideal candidate will have a strong background in the administration, upkeep, and upgrade of Cisco ISE solutions and deep understanding of network security concepts, Authentication, Authorization, and Accounting protocols, endpoint profiling, posture assessments, BYOD, Guest, pxGrid, DNAC integration with ISE and network access control (NAC) technologies.

Responsibilities

• Design and Implementation: Collaborate with infra and security teams to design, implement and customize Cisco ISE solutions, integrate third party solutions to bolster the security posture of the organization and to meet, security business and regulatory requirements.
• AAA Configuration: Review and configure Authentication, Authorization, and Accounting protocols such as RADIUS and TACACS+ on Cisco ISE for secure network access. Ensure to leverage industry best practices to reduce the attack surface areas.
• Endpoint Profiling: Understand, develop, and maintain endpoint profiling policies to classify and manage devices accessing the network based on their characteristics.
• Network Access Control (NAC): Deploy and manage NAC solutions using Cisco ISE to enforce security policies, monitor network access, and ensure compliance.
• Policy Management: Define and manage access control policies, posture assessments, and identity-based access controls within Cisco ISE.
• Integration and Collaboration: Collaborate with network, security, and IT teams to integrate Cisco ISE with other security solutions (SIEM and log management), identity providers, and network infrastructure components.
• Troubleshooting and Support: Diagnose and resolve complex issues related to Cisco ISE configurations, authentication failures, load balancer, licensing, and network access problems.
• Documentation and Training: Maintain comprehensive documentation of Cisco ISE configurations, policies, and procedures. Develop method and procedures in alignment with Change management best practices and provide training and knowledge transfer to varied team members.
• Upgrade and Patch Management: Plan and execute upgrades, patches, and maintenance activities for Cisco ISE deployments to ensure system stability and security. Escalate and troubleshoot along with Cisco TAC for identified bugs and potential work arounds.
• Integration and Collaboration: Collaborate with network engineers, security teams, and IT stakeholders to integrate Cisco ISE with other security solutions, applications, and network infrastructure components.
• 5+ years Experience Cisco ISE

Preference

• Cisco ISE Certification

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.

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