Lead Network Security Engineer

3 days ago

anand, India beBeeNetworkSecurity Full time

Network Security EngineerWe are seeking a highly skilled Network Security Engineer to join our team. As a key member of our engineering team, you will design, implement, and maintain corporate network infrastructure prioritizing 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. Additionally, you will oversee and tune guest/sponsor portals, BYOD onboarding, and custom portal solutions for secure and flexible network access.Your responsibilities will also include planning, documenting, and executing 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 manage end-to-end certificate lifecycle for network services, ISE portals, and device authentication (CSR generation, CA signing, binding, backups, expiry management). You will also administer TACACS for secure device management and policy-based access to network infrastructure.Automating network management with Python, Ansible, and REST APIs; creating workflows with Cisco DNA Center (DNAC), automating inventory sync with CMDB (Freshworks, ServiceNow), and ensuring API governance are also part of your tasks. Moreover, you will implement and support SD-Access solutions, including segmentation, policy deployment, and campus fabric operations.Troubleshooting complex wireless and wired network issues, conducting log analysis, resolving authentication failures, and optimizing LAN/WAN performance are your daily challenges. Collaboration in global network deployments, change management, and incident response—managing project documentation and coordinating across international teams and time zones is also expected from you.Engagement with InfoSec and IT operations for policy compliance, risk mitigation, and collaborative integration projects is crucial. We offer a dynamic work environment that fosters growth and development. If you are passionate about delivering innovative solutions and are committed to excellence, we encourage you to apply for this exciting opportunity.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, 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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    anand, India beBeeSecurity Full time

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