Network Security Architect

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.

Required Skills :

experience integrating with ITSM tools (JIRA, Freshworks / Freshservice, ServiceNow) and cloud platforms (Azure, AWS).

effective communicator with cross-functional and global teams.

Preferred Qualifications :