Chief Network Architectural Specialist

19 hours ago

salem, India beBeeSecurity Full time

Network Security Engineer RoleAs a highly skilled Network Security Engineer, you will be responsible for designing, implementing, and maintaining corporate network infrastructure that prioritizes security, reliability, and scalability. You will lead Cisco ISE deployments and architecture design expert in RADIUS/802.1X authentication, EAP-TLS, TrustSec policies, TACACS, and AAA configuration on NADs.You will oversee and tune guest/sponsor portals, BYOD onboarding, and custom portal solutions for secure and flexible network access. Additionally, you will plan, document, and execute Cisco ISE upgrades, patch management, gold star release evaluation, and regulatory compliance.Furthermore, you will integrate network systems with Azure/Intune, Active Directory, and third-party ecosystems for device identity/posture, application access, and security controls. You will also manage end-to-end certificate lifecycle for network services, ISE portals, and device authentication (CSR generation, CA signing, binding, backups, expiry management).Moreover, you will administer TACACS for secure device management and policy-based access to network infrastructure. You will 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.Lastly, you will implement and support SD-Access solutions, including segmentation, policy deployment, and campus fabric operations. You will troubleshoot complex wireless and wired network issues, conduct log analysis, resolve authentication failures, and optimize LAN/WAN performance.Key Requirements:Advanced proficiency in Cisco ISE administration, DNA Center, SD-Access, LAN/WAN, wireless networks, and 802.1X protocols.Deep understanding of RADIUS, EAP-TLS, TrustSec, TACACS, AAA policies, and NAD configuration.Hands-on experience with ISE portals, certificate management, upgrade procedures, regulatory compliance, and security patching.Familiarity with ITSM tools (JIRA, Freshworks/Freshservice, ServiceNow) and cloud integration (Azure, AWS).Proven automation skills using Python, Ansible, REST APIs; experience integrating with ITSM tools (JIRA, Freshworks/Freshservice, ServiceNow) and cloud platforms (Azure, AWS).Strong troubleshooting, documentation, and time zone coordination abilities; effective communicator with cross-functional and global teams.Preferred Qualifications:5+ years network/security engineering experience, 3+ years in secure Cisco environments.Certifications: CCNP Security, CCIE, or equivalent.

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