Network Security Architect

2 weeks ago

belgaum, India beBeeCisco Full time

Key Responsibilities:Design and implement secure network infrastructure with prioritized security, reliability, and scalability.Lead the deployment of Cisco ISE architecture, focusing on RADIUS/802.1X authentication, EAP-TLS, TrustSec policies, TACACS, and AAA configuration on network access devices.Oversee and fine-tune guest/sponsor portals, BYOD onboarding, and custom portal solutions for flexible and secure network access.Plan, document, and execute Cisco ISE upgrades, patch management, and regulatory compliance evaluations.Integrate network systems with Azure/Intune, Active Directory, and third-party ecosystems for device identity, application access, and security controls.Manage the 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 using Python, Ansible, and REST APIs; create workflows with Cisco DNA Center (DNAC), automate inventory sync with CMDB (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.Required Skills: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, ServiceNow) and cloud integration (Azure).Proven automation skills using Python, Ansible, REST APIs; experience integrating with ITSM tools (JIRA, ServiceNow) and cloud platforms (Azure).Strong troubleshooting, documentation, and time zone coordination abilities; effective communicator with cross-functional and global teams.Benefits:Prioritized professional development and growth opportunities.Flexible work arrangements and international collaboration possibilities.Comprehensive training and certification programs.We Offer:A collaborative environment that fosters knowledge sharing and teamwork.Ongoing support for career advancement and skill development.The opportunity to work on challenging projects that drive business results.

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