Corporate Network Security Specialist
4 days ago
Network Engineer PositionCandidates must have experience in designing and implementing secure network infrastructure.Key Responsibilities:Design, Implement, and Maintain Corporate Network Infrastructure: Prioritize security, reliability, and scalability.Lead Cisco ISE Deployments: Expert in RADIUS/802.1X authentication, EAP-TLS, TrustSec policies, TACACS, and AAA configuration on NADs.Oversee Guest/Sponsor Portals: BYOD onboarding and custom portal solutions for secure network access.Plan and Execute Upgrades: Patch management, gold star release evaluation, and regulatory compliance.Integrate with Azure/Intune: Active Directory, and third-party ecosystems for device identity/posture, application access, and security controls.Manage Certificate Lifecycle: CSR generation, CA signing, binding, backups, expiry management.Administer TACACS: Secure device management and policy-based access to network infrastructure.Automate Network Management: Python, Ansible, REST APIs; create workflows with Cisco DNA Center (DNAC), automate inventory sync with CMDB.Implement SD-Access Solutions: Segmentation, policy deployment, campus fabric operations.Troubleshoot Complex Issues: Log analysis, resolve authentication failures, optimize LAN/WAN performance.Collaborate in Global Deployments: Change management, incident response, project documentation, international teams, time zones.Engage with InfoSec and IT Operations: Policy compliance, risk mitigation, collaborative integration projects.Required Skills:Cisco ISE Administration: DNA Center, SD-Access, LAN/WAN, wireless networks, 802.1X protocols.RADIUS/EAP-TLS/TrustSec/TACACS: AAA policies, NAD configuration.Certificate Management: Upgrade procedures, regulatory compliance, security patching.ITSM Tools and Cloud Integration: JIRA, Freshworks/Freshservice, ServiceNow, Azure, AWS.Automation Skills: Python, Ansible, REST APIs, cloud platforms, ITSM tools.Troubleshooting Abilities: Documentation, time zone coordination, cross-functional/global teams.
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