Network Infrastructure Specialist

6 days ago

davangere, India beBeeCybersecurity Full time

Job Title: Cybersecurity Network EngineerAbout the Role:We are seeking a highly skilled Cybersecurity Network Engineer to join our team. As a key member of our network operations group, you will be responsible for designing, implementing, and maintaining corporate network infrastructure that prioritizes security, reliability, and scalability.Key Responsibilities:1. Design and implement secure network architecture solutions that meet business needs and comply with regulatory requirements. 2. Lead Cisco ISE deployments and architecture design, focusing on RADIUS/802.1X authentication, EAP-TLS, TrustSec policies, TACACS, and AAA configuration on NADs. 3. Oversee and tune guest/sponsor portals, BYOD onboarding, and custom portal solutions for secure and flexible network access. 4. Plan, document, and execute Cisco ISE upgrades, patch management, gold star release evaluation, and regulatory compliance. 5. Integrate network systems with Azure/Intune, Active Directory, and third-party ecosystems for device identity/posture, application access, and security controls. 6. Manage end-to-end certificate lifecycle for network services, ISE portals, and device authentication (CSR generation, CA signing, binding, backups, expiry management). 7. Administer TACACS for secure device management and policy-based access to network infrastructure. 8. Automate network management using Python, Ansible, and REST APIs, creating workflows with Cisco DNA Center (DNAC) and ensuring API governance. 9. Implement and support SD-Access solutions, including segmentation, policy deployment, and campus fabric operations. 10. Troubleshoot complex wireless and wired network issues, conduct log analysis, resolve authentication failures, and optimize LAN/WAN performance.Required Skills and Qualifications:1. Advanced proficiency in Cisco ISE administration, DNA Center, SD-Access, LAN/WAN, wireless networks, and 802.1X protocols. 2. Deep understanding of RADIUS, EAP-TLS, TrustSec, TACACS, AAA policies, and NAD configuration. 3. Hands-on experience with ISE portals, certificate management, upgrade procedures, regulatory compliance, and security patching. 4. Familiarity with ITSM tools (JIRA, Freshworks/Freshservice, ServiceNow) and cloud integration (Azure, AWS). 5. Proven automation skills using Python, Ansible, REST APIs, and experience integrating with ITSM tools and cloud platforms. 6. Strong troubleshooting, documentation, and time zone coordination abilities, as well as effective communication with cross-functional and global teams.Preferred Qualifications:1. 5+ years of network/security engineering experience, 3+ years in secure Cisco environments. 2. Certifications: CCNP Security, CCIE, or equivalent.

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