P Jaiswal

Experience

• 

  Airtel

  Jun 2006 - Feb 2011

  Network Specialist

  Key responsibilities: • Managing L2 Team Performance.• Implementing Site to Site IPSEC• Initiate field visit, follow-up, escalate, close-loop with respective service partners/groups wherever required• Update customer regularly at predefined frequency on the progress of resolution and provide ERT through Phone as well as emails as per process.• Notification and escalation Airtel Operation/Governance team as per defined process.• RFOs to be sent to customers on outages as per defined process.• Implementing DMVPN for customers • Creating GRE tunnels for customersResponsible for providing end to end solution to Airtel Enterprises Services clients for Internet Lease Port, Fixed Lease Line, BGP, MPLS, MPLS-VPN and VPLS circuits on WAN connectivity.• Monitoring and fault Management for SDH and CEN connectivity with NMS (Network Management System).• Responsible for configuration of Cisco, Juniper routers and switches.• Troubleshooting all networking problems on WAN connectivity to ensure minimum downtime and maximum availability/ connectivity of networks within SLA parameter. Show less

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  Wipro

  Mar 2011 - Dec 2013

  Technical Team Leader

  Key responsibilities: • Managing L2 Team (WAN & MPLS) Performance.• Handling Team of 21 L2 engineers and PCD (ISP Network diagram) associates.• Assist in developing and implementing training (Clear Channel, WAN circuit Management, Troubleshooting on MPLS & WAN circuit) programs to improve the quality and productivity of the team. • Network Infrastructure Management• Firewall, Routers Hardening• Network Capacity Management• CISCO Routing - Static/ Dynamic routing protocols - RIP v2, EIGRP, OSPF, BGP, MPLS• Provide Network and data administration training as per process requirements.• Getting involved in highly escalated case and provide resolution.• Work on scheduled tasks as part of Change Management.• Understand ISP architecture and customer requirements• Establish high availability network connection through service provider MPLS for E1, DS3, carrier ethernet, etc• Investigate escalations and provide RCA• CE router configurations• Working on Cisco 2960, 3750, 4506, 6500 series catalyst switches. • Configuration of Switches, Firewalls & Load Balancers as per the client requirement.• Configuration of Zones and providing different security levels and policies to enhance security.• Implementing of IPS/IDS and UTM profiles in Firewalls to prevent the attacks.• Performing the Patch upgradation of the Fortigate Firewalls.• Configuration and troubleshooting of IPsec VPN’s, Site-to-Site, RA & SSL in Firewalls.• Configuring ACL, NAT, PAT, RIP, OSPF and Static routes.• Configuring IPSLA’s as per the client requirements.• Configuring servers under Load Balancers as per client’s requirement.• Configuring switches with IP management, VLAN’s, VTP, SNMP, ACL’s and dot1q.• Monitoring the links utilization via MRTG Applications• Monitoring the bandwidth utilizations via Network flow Analyzer.• Update daily activity summary reports to management• Configure resiliency, load balancing, customer intra routing Show less

• 

  Wipro

  Jun 2014 - Jun 2019

  Network & Security Lead

  Responsible for configuration of all the devices (Routers, Switches, Wi-Fi controllers (Cisco 2500 & Rucks zone director 3000) , Firewalls (Cisco ASA , SonicWALL , check point SMB, Barracuda WAF ) Configuring firewalls (Cisco asa5520 and juniper net screen & SonicWALL) Configuring dynamic, static NAT & PAT & DMZ networks based on the requirements.Configuring HA on firewallExperience with deployment, configuration, troubleshooting and administration of Cisco Intrusion Prevention Systems (IPS)Enabling IPS signatures for content filtering, Monitoring the IPS log and taking preventive measures.To design, implement and manage networking infrastructure smooth functioning of data centers activitiesResponsible to manage firewall rule sets, virtual networks and secure routing and switching & wireless services.Configuring and setting up Firewall, Load balancer, Barracuda WAF, Routers, Switches, WAN Optimzer, Network Monitoring tools.Active directory integration with Firewalls and Wireless controllers.Configuring site to site tunnels and troubleshooting VPN connectivity issues.To secure configurations of load balancing, SSL/VPN connections, firewalls, and related network security measuresDocument the changes/upgrades/updates suggested & implemented in the network to easy the future troubleshooting.Handling/maintaining Data Centre independently Including Cisco Switch 4507, 3560, 3750, 2560.IOS up gradation of Cisco Devices (6500, 4700, 3500).Cisco ASA configuration and site to site and SSL vpn and PBR implementation as per the requirement. Designing of IP addressing scheme.Configuration of routing OSPF & static Routes at LAN.Using Visio design of network diagram & Application architecture.Fortinet Firewall Intallation & ConfigurationWhats Up Gold Installation & ConfigurationF5, Fortinet load balancer Installation & ConfigurationInstallation and Implementation of Cisco Viptela SDWAN, Lavelle SDWAN Show less

• 

  Rackspace Technology

  Jun 2019 - now

  Senior Network Security Engineer

  Supporting large customers base in various data centres in US, UK and across the globe.Building Site to Site IPSEC Tunnel in Cisco ASA, Palo Alto, Fortigate FirewallsSetting up compliance on the devices, i.e. enabling NTP, Threat-detection, Syslog and SNMPProviding security, redundancy failover and 24/7 fault tolerance.Setting up new firewall in the existing network, Implement monitoring/backupWorking on Nexus 2K, 9K swithes.Building & Supporting Site to Site VPN on AWS, Azure, OCI & GCPSupporting customers on DR testingMigrated 300 plus customers from Old Data centre to New Data centre.Responsible for designing IP layered networks using various IP topologies, securing remote area access and management.Conducting risk and gap assessments, to ensure compliance with Security Policy and Information Management Systems requirements.Worked with external auditors and vendors in conducting compliance audits, vulnerability scans and penetration tests.Providing Level3 Network and Security Support in configuration and support datacenter environment consisting of Cisco ASA, Fortigates, Palo Alto Firewall and Nexus switches.Working on Citrix Netscaler & F5 load balancers Experience in planning and Implementing critical changes within Datacenter platforms such as Switches, load balancers etc. based on customer requests, following related management systems and operating procedures as agreed. Show less