Nisar Ahmad

PROFESSIONAL SUMMARY
·        14.2 years of industry experience in Network and Security functions across Enterprise IT, Banking and Telecom organizations.

·        Manage Network and Security Operations across multiple data centers for more than 10 years.

·        Working as a Lead Engineer /SME with NaviSite to manage Network and Security Operation for US and UK based customers across multiple Data Centers and multiple cloud platforms (AWS, AZURE, OCI etc.).

·        Worked with Reliance Jio to manage Network and Security Operation across multiple Internal DCs and clouds (aws and azure).

·        Worked as a SME for Cisco ASA firewalls and Citrix NetScaler Load balancers across multiple customers.

·        Worked with IBM to manage Network and Security Operation for DC/DR/branches of a bank.

·        Manage Team of the 5 L1/L2 engineers directly in current organization.

TECHNICAL SKILLS
Install, Configure, troubleshoot, upgrade and Manage firewalls, Load balancers, Proxies, Router, Switches and networking functions over multiple Cloud platforms (Azure, AWS, OCI, inhouse etc.).
Configuration and troubleshooting of Site-to-site VPNs, SSL-VPNs, NAT, ACLs, SSL Certificate, URL filtering, upgradation on ASA and NextGen firewalls – Firepower, FortiGate, Palo Alto etc.
·        Configure and Trouble shoot Load balancers Citrix NetScaler, VPX/MPX/SDX and F5 guest/host, LTM, GTM ,up-gradation, load balancing, content switching, policies, redirects, ssl offloading, GSLB, WAF, DNS etc.

Design, implement and manage AWS VPC, VPC-peering, NSG, ACL, VPG, VPNs, Load balancing, SSL cert renewal, Transit Gateway, Organizational Unit, IAM, Route 53, Direct Connect etc.
Design, implement and manage Azure Vnet, Vnet-peering, Global Vnet peering, VNG, VPNs, Load balancer, app gateway, express route etc.
Design, implement and manage OCI VCN, VCN-peering, NSG, Security-list, DRG, VPNs, Load balancing, SSL certificate etc.
·        Configure and Trouble shoot BGP, OSPF ,EIGRP,RIP , VLANs, VTP, STP, VDC, VPC, FEX,  HSRP,VRRP, Port  aggregation etc.

Provide security approvals to the team for the network connectivity/ firewall access between customer’s different environments hosted over on Prem DC and cloud.
·        Work on project for firewalls upgrade if any new vulnerability gets trigger and cleanup the Firewall access rules with zero hits/any any access on regular basis across 500+ customer

·        Knowledge of Cisco WLC 9800L .

Work with vendor’s TAC on escalated issues, Prepare SOP and KBA, Provide training to freshers.
Work on Service-Now, ITSM and HPSM ticketing system to address customers Network related issues.
·        Work as per change management process, Handle severity calls, documentation and troubleshooting skills.