Nidheesh Kumar

· Professional level individual contributor role. Works on problems of larger scope, following standard practices and procedures with detailed instruction on work.

· Architecting, designing, installing, maintaining, and managing the equipment needed to provide WAN, Internet, LAN, Wi-Fi, VPN networks.

· Ensure that firewall policies are up-to-date and aligned with industry best practices and compliance requirements.

· In-depth analysis of each incident and resolution.

· Taking care of issue related to wireless and network and provide RCA for the issue if any

· Work within established configuration and change management policies to ensure awareness, approval and success of changes made to the network infrastructure.

· Maximise network performance by proactive actions such as log analysing, scheduling upgrades, introducing automation for network optimisation

· Monitor firewall logs and alerts for security incidents and respond promptly to mitigate threats.

· Perform regular security assessments and vulnerability scans to identify and address potential security risks.

· Troubleshoot and resolve network connectivity issues, ensuring minimal downtime and optimal performance.

· Enhancing the security and compliance of the network devices remain high.

· Time bound efforts towards automating repetitive tasks.

· Representing network in Audit and Compliance discussion, plan and mitigate Audit observations

· Maintain detailed documentation of firewall configurations, network diagrams, and security policies.

· Create and update network documentation to ensure accuracy and consistency.

· Participate in incident response activities, investigate security incidents, and coordinate efforts to contain and remediate security breaches.

· Collaborate with other SRE/Ops and IT teams to implement security best practices across the organization.

· Provide training and guidance to junior team members on network security and firewall administration.

· Working Experience & knowledge of Configuration, Maintenance & Troubleshooting of Aruba 6200F, 6300M & 6300 PoE switches , Palo alto 820 , 450 & 3200 series firewall , AWS TGW , EC2 , VPC , S3 , route 53 , VPC peer-link , Aruba Access point 510,500,205 , DHCP server , DNS forwarder , syslog , SNMP server , Zabbix.

· Migrating EOL Cisco and Arista devices to new or similar platform

· Co-ordinate with task manager for the migration schedule and to know the status of the device delivery

· Co-originate with customer to find out infra-availability

· Reviewing the design provided by design team and sync with them to clarify the doubts or issue if any

· Preparing the Patch sheet and deliverables for cable movements and window activity respectively

· Updating the network diagram after the changes done to network

· Executing the migration window

· Working Experience & knowledge of Configuration, Maintenance & Troubleshooting of Cisco ASR Routers 1001 , Nexus 93240 , Nexus 93180 , Nexus 9372 , Catalyst 4507 , Catalyst 6807 ,Catalyst 4510 , catalyst 3850 , Arista DCS-7010t-48 , Arista DCS-7050sx-64 , ISR 4451 , ISR4431 , Avocent ACS 8000 , Fortigate 601E.

• As a consultant to RJIL , in L2 network Engineer position worked on Cisco platforms ASR 903 , ASR 920
• During this period worked on IS-IS , MPLS and BGP protocols.

• As a consultanr to Vanu.Inc , Installed and commissioned VANU 2G: BTS/BSC/MGW, CISCO L3 switch, IBM Servers, Audio Codes via VANU EMS and ConfigCenter.