Network Security Architect

1 week ago

agra, India beBeeNetwork Full time

Job SummaryWe are seeking a highly skilled and experienced network engineer to join our team. The ideal candidate will have advanced proficiency in Cisco ISE administration, DNA Center, SD-Access, LAN/WAN, wireless networks, and 802.1X protocols.The successful candidate will design, implement, and maintain corporate network infrastructure prioritizing security, reliability, and scalability. This includes leading Cisco ISE deployments and architecture design expert in RADIUS/802.1X authentication, EAP-TLS, TrustSec policies, TACACS, and AAA configuration on NADs.Key Responsibilities:Design, implement, and maintain 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.Collaborate in global network deployments, change management, and incident response—manage project documentation and coordinate across international teams and time zones.Engage with InfoSec and IT operations for policy compliance, risk mitigation, and collaborative integration projects.Required Skills and Qualifications: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.

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