IT Network Engineer - Cisco Identity Services Engine

Job Title : Senior Network Engineer

Location : Bangalore, India

Experience : 10+ years in enterprise network engineering, including 3+ years of deep hands-on expertise with Cisco Identity Services Engine (ISE).

Job Type : Full-time, Overview :

We are seeking a highly experienced Senior IT Network Engineer to architect, secure, optimize, and troubleshoot complex enterprise network infrastructures. The ideal candidate will possess expert-level Cisco ISE skills and a proven track record in LAN / WAN, network security, wireless, cloud networking, and performance optimization. You will lead advanced troubleshooting efforts, plan network capacity for organizational growth, integrate cutting-edge technologies, and mentor junior Responsibilities :

Architecture, Design & Implementation :

• Design, implement, and maintain high-availability enterprise network solutions across data, voice, and video domains.
• Architect secure and scalable LAN / WAN topologies, including advanced routing, switching, and segmentation strategies.
• Plan, design, and deploy network security solutions integrating Cisco ISE with wired, wireless, and VPN networks.
• Lead capacity planning and infrastructure expansion to support virtualization environments (SAN configuration, Hyper-V, VMware ESXi).
• Design and implement Microsoft Azure networking solutions, including VNet peering, Azure Firewall, NSGs, and hybrid Security & Policy Enforcement :
• Configure and manage Cisco ISE for endpoint authentication, policy enforcement, posture assessment, and device profiling.
• Implement firewall policies, IDS / IPS, and advanced segmentation using Palo Alto, Cisco ASA / FTD, and Meraki platforms.
• Administer PKI infrastructure, certificates, and authentication protocols (RADIUS, TACACS+, 802.1x, SSL / TLS).
• Conduct security audits to meet compliance requirements (HIPAA, PCI-DSS, SOC 2, & Troubleshooting :
• Lead Tier-4 escalation support for network outages, performance degradation, and complex routing / security issues.
• Perform in-depth packet analysis using Wireshark, NetFlow, and SNMP-based monitoring tools (SolarWinds, Nagios).
• Collaborate with carriers / vendors to resolve hardware bugs, firmware issues, and scalability challenges.
• Automate network provisioning and maintenance tasks using Python or PowerShell & Leadership :
• Mentor junior engineers, providing technical guidance and knowledge transfer.
• Develop network documentation, topology diagrams, and SOPs for operational excellence.
• Partner with cross-functional teams to integrate network infrastructure with Microsoft 365, Azure, and third-party platforms.
• Support strategic projects, delivering technical input for proposals, budgets, and Technical Skills :
• Networking Protocols : BGP, OSPF, VRRP, IPsec, NAT, IKEv2, 802.1Q, 802.1x, MD5, DES / 3DES, SHA1, TLS, SSL.
• Security & Access Control : Cisco ISE (Policy Sets, Profiling, Posture), RADIUS, TACACS+, PKI, MFA, NAC.
• Hardware Expertise : Cisco Catalyst 9K, Nexus series, 6500s, Palo Alto NGFW, Meraki switches & firewalls.
• Wireless Networking : Wi-Fi 6, securing WLANs, Cisco / Meraki wireless controllers.
• Cloud Networking : AWS VPCs, Azure VNets, hybrid cloud routing, ExpressRoute, VPN gateways.
• Monitoring & Automation : Wireshark, SolarWinds, Nagios, Ansible, Python, :
• Education : Bachelors degree in Computer Science, Information Technology, or related (Preferred) :
• Cisco : CCNP Security, CCNP Enterprise, CCNP Design.
• Microsoft : AZ-104, AZ-700 (Azure Networking).
• Palo Alto : PCNSE, PCNSA, or PCSSA.
• Proven experience implementing Cisco ISE in large, complex enterprise Skills :
• Strong analytical and problem-solving abilities.
• Excellent communication (oral, written) and stakeholder management skills.
• Ability to work effectively across multiple teams in high-pressure environments.

(ref : hirist.tech)