Manager - Cloud & Security Customer Service Operations

About The Company

Tata Communications Redefines Connectivity with Innovation and IntelligenceDriving the next level of intelligence powered by Cloud, Mobility, Internet of Things, Collaboration, Security, Media services and Network services, we at Tata Communications are envisaging a New World of CommunicationsJob Title: NAC L3 Specialist – Cisco ISEExperience: Minimum 8 years (including 4 years of relevant experience in the Network Security domain)Location: [Specify location or remote, if applicable]Job Description: We are seeking a seasoned NAC L3 Specialist with extensive experience in Cisco Identity Services Engine (ISE). The ideal candidate will possess deep expertise in Network Access Control (NAC), including the implementation, configuration, and operation of NAC policies. This role requires a motivated individual who can independently handle advanced troubleshooting and provide top-level support for network security operations.

Key Responsibilities

Design, implement, and manage Cisco ISE-based NAC solutions to ensure secure and seamless network access.Develop and enforce NAC policies and procedures, optimizing security without compromising user experience.Handle advanced troubleshooting and resolution of complex issues related to NAC policies, authentication, and access controls.Perform system upgrades, configuration changes, and maintain the health and performance of NAC solutions.Collaborate with cross-functional teams to integrate NAC solutions with existing network infrastructure and security tools.Conduct periodic audits of NAC configurations and provide recommendations for improvements.Train and mentor team members on NAC best practices and tools.Stay updated on the latest trends in network security and access control technologies.

Requirements

Minimum 8 years of overall IT experience, with at least 4 years of relevant experience in the Network Security domain.Proficiency in Cisco ISE and its associated components.Strong knowledge of NAC policy implementation, operation, and troubleshooting.Hands-on experience with network protocols, authentication mechanisms (e.g., 802.1X, RADIUS, TACACS), and certificate-based authentication.In-depth understanding of LAN/WAN technologies, firewalls, and VPNs.Strong analytical and problem-solving skills to address complex network security issues.Industry certifications such as CCNP Security, Cisco Certified Specialist - Security, or equivalent are highly desirable.Excellent communication and interpersonal skills.