Senior Network & Security Engineer

1. Incident Management and Troubleshooting
-Level 2 Support: Handle escalated network issues from Level 1 support. Troubleshoot and resolve more complex network-related problems (e.g., connectivity issues, network degradation, hardware faults).- Root Cause Analysis: Investigate and identify the root causes of network failures or performance issues. Work with vendors or Level 3 engineers if required for advanced troubleshooting.-Ticket Resolution: Manage and resolve service tickets within defined SLAs, ensuring minimal downtime and service disruption.2. Network Configuration and Maintenance-Device Configuration: Assist in the configuration, deployment, and management of networking equipment such as routers, switches, firewalls, and wireless access points (WAPs).-Network Monitoring: Utilize network monitoring tools (e.g., SolarWinds, PRTG, Nagios) to keep track of network performance and availability.-Firmware Updates: Apply firmware, software, and configuration updates to networking devices as per the organizations maintenance schedule.3. Network Design and Implementation Assistance-Network Design Collaboration: Assist in the design, planning, and deployment of network solutions in collaboration with Network Architects or Senior Engineers.-Implementation Support: Provide support in implementing network upgrades or new solutions, ensuring smooth integration and operation within existing infrastructure.4. Network Optimization-Performance Tuning: Monitor the network's health and performance and apply appropriate tweaks or changes to optimize performance (e.g., configuring load balancing, adjusting QoS parameters).-Bandwidth Management: Analyze bandwidth usage and optimize the network to ensure quality service for critical applications.5. Security Management-Network Security: Assist in managing network security tools (e.g., firewalls, intrusion detection/prevention systems) to ensure the network is protected from external and internal threats.-Access Control: Implement and manage access control lists (ACLs), VPN configurations, and user access policies to ensure secure network usage.6. Documentation and Reporting-Documentation: Maintain accurate records of network configurations, network topologies, and changes made to the network.-Reports: Generate performance, security, and incident reports for internal teams or clients to ensure proper follow-up and documentation.7. Collaboration with Cross-functional Teams-Vendor Liaison: Work closely with third-party vendors or service providers to resolve issues that may require external support or product replacements.-Team Collaboration: Work with other IT teams (e.g., server, application, and security teams) to ensure seamless network operations in a multi-faceted IT environment.8. Backup and Recovery-Network Recovery: Assist in network disaster recovery planning, backup configurations, and provide support in case of a network failure or outage.-Redundancy and Failover: Ensure that network redundancy (e.g., using HA pairs for switches or routers) and failover mechanisms are properly configured and tested.9. Training and Knowledge Sharing-Mentoring: Provide guidance and support to L1 engineers and junior staff, assisting with day-to-day troubleshooting and network operations.-Continual Learning: Stay updated with the latest networking technologies, tools, and trends. Enhance personal knowledge and contribute to the team's knowledge base.

Candidate Profile

-Knowledge of TCP/IP protocol suite
- Good knowledge of Routing protocol like BGP/OSPF/ EIGRP.- Good knowledge and hands-on experience of switching protocols and technologies like STP/MSTP/RSTP/VLAN/Ether-channel.- Good knowledge and hands-on experience of Gateway Redundancy protocols like HSRP/VRRP/GLBP.-Network Monitoring and Management tools-Understanding of OSI model and TCP/IP protocol.-Knowledge in Network Management and Monitoring tools such as Solarwinds, NetMon, Manage engine etc. -Basic knowledge of Wireless Controller, Access Points.-Hands-on experience/exposure or theoretical knowledge of Cisco Nexus switches and Nexus technologies like vPC.-Knowledge on Network & Security devices like firewalls.-Strong understanding of network security concepts, protocols, and best practices. -Experience with firewall monitoring and logging tools (e.g., Syslog, Splunk, or native firewall logging solutions).-Familiarity with network protocols (e.g., TCP/IP, HTTP, FTP, DNS, etc.) and common attack vectors. Proficiency in network routing and switching, including VPNs, NAT, SSL/TLS, IPSec, and DNS.