Senior IT Network Engineer

Title: Sr. Network Engineer

Location: Bangalore, India

Experienced Sr. IT Network Engineer overseeing network architecture, security implementation, performance optimization and troubleshooting, proactive maintenance for seamless operations, and guidance to Team members. Ideally, 10+ years of experience in enterprise network engineering, 3+ years working with Cisco ISE and being an expert in it.

 
Responsibilities

• Assist in creating project plans, timelines, and schedules.
• Responsible for planning for the expansion of network capacity to support the company's growth.
• Advanced troubleshooting and resolving the most complex network performance and connectivity problems
• Take ownership of network issues, network functionality, and accountability for your work.
• Troubleshoot routing issues, communicate with carriers/providers and execute solutions to solve service-impacting situations.
• Work with network hardware vendors to diagnose and recommend resolutions for hardware outages, bugs, and scalability limitations.
• Research and work with new networking hardware or technologies.
• In-dept experience capacity planning, designing, deploying, and supporting infrastructure data, voice and video networks, to support virtualization architecture – SAN configuration, Hyper-V, ESXi, etc. required Skills
• Hands-on working experience with Palo Alto and Meraki firewalls, Cisco 6500s, Nexus, and Meraki switch devices, Catalyst 9k switches. Cisco ISE.
• Extensive ISE troubleshooting skills in both CLI and GUI, integrations(configure ISE with wired, wireless, and VPN networks).
• Proven experience in LAN/WAN topologies as it relates to routing & switching configuration and protocol implementation, network security, segmentation, endpoint policy enforcement, and Intrusion detection
• Strong understanding in the following technologies and protocols: RADIUS, PKI, IKE, Certificates, L2TP, NAT, BGP, OSPF, VRRP, IPSEC, FIREWALL, 802.1Q, MD5, SSH, SSL, TLS, SHA1, DES, 3DES, TACACS+, and 802.1x, SD-WAN.
• Ability to use tools like Wireshark, Nagios, or SolarWinds for monitoring, analysing, and diagnosing network issues.
• Knowledge of scripting languages (Python, PowerShell) for automating network tasks.
• Understanding of wireless protocols (e.g., Wi-Fi 6) and securing wireless networks.
• Experience with cloud networking services (e.g., AWS VPC, Azure Virtual Network).
• Awareness of industry-specific compliance requirements (e.g., HIPAA, PCI-DSS, SOC -2, GDPR).
• Proficiency in configuring, managing, and troubleshooting network devices such as routers, switches, IDS, IPS and firewall.
• Strong experience in designing, Implementing and supporting Microsoft Azure Networking Solution

Communications/Leadership

• Excellent communication – oral, written, and interpersonal skills.
• Strong analytical and problem-solving skills.
• Ability to develop effective and cooperative working relationships across multiple areas.

Education/Technology

Bachelor’s degree in computer science, Management Information Systems, or a related field.

Preferred Qualification:

• Relevant certification such as CCNP- Security | CCNP-Enterprise/ Design, AZ-104 , MS Azure – AZ-700
• Experience with Palo Alto network configuration and management preferred
• PCNSE, PCNSA, or PCSSA is preferred.
• Experience in similar role with large, complex organizations implementing Cisco ISE