Network Security Specialist

1 week ago

chennai, India beBeeNetwork Full time

Network Security Architect RoleThis position involves the design, implementation, and maintenance of corporate network infrastructure, prioritizing security, reliability, and scalability.Lead Cisco ISE deployments and architecture design expert in RADIUS/802.1X authentication, EAP-TLS, TrustSec policies, TACACS, and AAA configuration on NADs.Oversee and tune guest/sponsor portals, BYOD onboarding, and custom portal solutions for secure and flexible network access.Plan, document, and execute Cisco ISE upgrades, patch management, gold star release evaluation, and regulatory compliance.Integrate network systems with Azure/Intune, Active Directory, and third-party ecosystems for device identity/posture, application access, and security controls.Manage end-to-end certificate lifecycle for network services, ISE portals, and device authentication (CSR generation, CA signing, binding, backups, expiry management).Administer TACACS for secure device management and policy-based access to network infrastructure.Automate network management with Python, Ansible, and REST APIs; create workflows with Cisco DNA Center (DNAC), automate inventory sync with CMDB (Freshworks, ServiceNow), and ensure API governance.Implement and support SD-Access solutions including segmentation, policy deployment, and campus fabric operations.Troubleshoot complex wireless and wired network issues, conduct log analysis, resolve authentication failures, and optimize LAN/WAN performance.Key qualifications include expertise in network security protocols, strong understanding of IT service management principles, ability to work collaboratively with cross-functional teams, and proficiency in programming languages such as Python and Ansible.The ideal candidate will possess excellent problem-solving skills, be able to effectively communicate technical information to non-technical stakeholders, and have a strong commitment to delivering high-quality results in a fast-paced environment.We offer a comprehensive benefits package, opportunities for professional growth and development, and a dynamic work environment that values innovation and collaboration.

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