Senior Network Security Engineer
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Total des années d'expérience :15 years, 10 Mois
Configuring and troubleshooting Juniper Routers, Cisco routers
Configuring and troubleshooting Huawei, Juniper, Paloalto, fortigate, cisco and sophos Firewalls
Configuring and troubleshooting Cisco, Juniper, Huawei, Aruba Switches.
Management and operation of Cisco ISE, Wireless Controllers, Junos Space, Aruba wireless controller.
Management and operation of Load Balancers (F5 LTM, GTM, APM).
Management and operation of Blue Coat Proxy.
Designing and providing full network setup upon customers requirements.
Cisco ISE, Juniper, Huawei, Sophos, Aruba Wireless, F5, Palo Alto & Fortinet Products with middle east experience, to carry out implementation of ITS Projects.
Implemneting and delivering IT projects as per the customer requirements.
Strong knowledge in ITIL Process which was strictly followed for every internal process/changes. Developing documentation and knowledge base for issues and remediation steps for support
teams.
Designing and deploying functional networks such as LAN, WLAN or WAN
Monitoring network performance, security, and integrity
Suggesting improvements to network capacity, performance, and scalability
Maintaining technical documentation and mentoring team on technical issues
Perform analysis of network infrastructure and contribute towards design, integration and enhancements.
Develop documentation and knowledge base for issues and remediation steps for Tier 1&2 support teams.
Management and operation of Juniper Routers ( MX240), Switches ( EX4300, EX5100, EX5110), Firewalls ( SRX345, SRX3400, SRX5400, SRX4100).
Management and operation of Cisco Routers, Switches, ISE, Wireless Controllers, Juniper VCF, EVPN, DCI.
Management and operation of Load Balancers ( Cisco GSS, F5 LTM, GTM, APM, A10 ) and Firewalls ( Fortinet, Palo Alto )
Management and operation of IPS, Symantec AV, Blue Coat Proxy, Blue Coat Packet Shaper.
Configuring and troubleshooting Nexus 7k, 5k, 2k and 6500 series switches. Configuring PBR, ACLs, port securities upon customer requirements.
Managing customer proxy services on day to day basis and have in depth knowledge in Symantec AV and Blue Coat Proxy.
Strong knowledge in ITIL Process which was strictly followed for every internal process/changes. Developing documentation and knowledge base for issues and remediation steps for support
teams.
Manage Tier 2 & 3 support and maintain Complex Network Infrastructure.
Manage critical and high impact network incidents.
Perform analysis of network infrastructure and contribute towards design, integration and enhancements.
Work with cross-functional teams to identify risks and issues, create plans to mitigate and resolve them.
Act as technical liaison with vendors to resolve issues within prescribed SLAs.
Participate in IT infrastructure projects and perform other duties as assigned.
Develop documentation and knowledge base for issues and remediation steps for Tier 1&2 support teams.
Ensure proper case handling and provide coaching and training as necessary.
Demonstrate excellent problem-solving skills, strong conceptual and analytical skills along with the ability to work as an effective team member.
Remains highly informed on industry best practices applicable to the responsibilities of this position.
Providing network support to complex WAN/LAN Networks.
Liaising with third-party partners and suppliers to ensure that faults are resolved within the correct time frames and to agree SLA’s.
Expereo holds almost 10 POPS across the globe to ensure redundant L3 connectivity for customers, which are monitored using Solarwinds 24/7.
SD-WAN circuit is installed and managed (link provided via different supplier are integrated to ensure resiliency and redundancy)
Troubleshoot platform and customer integration issues
Troubleshoots the Data Center Layer 2 overlays such as VXLAN, OTV, and EVPN.
Analyzing all the IP node’s configuration, and protocol configuration like BGP, OSPF redistribution filtering & routing policy as part of troubleshooting
Implement data center application high availability and load balancing.
Performing activity on devices like ASR 5K, ASR 9K, Nexus and ASA 5585
Perform Version upgrades of ASR1K, 76XX series, Nexus 7K, 5K, and 3K.
Troubleshoot customer-facing issues and communicate with customers as needed
Serve as an escalation point for infrastructure and customer integration issues
In-depth knowledge of Layer 2 and Layer 3 connectivity, fabric infrastructure, storage networking, planning network services, automation, and orchestration.
Implementation of VDC, VPC, and Cisco Fabric Path.
Implementing Configuration of routing protocols like RIP, EIGRP, OSPF multiple areas, and BGP.
Implementing configuration of DMVPN, IPsec Tunnels, Site-to-Site VPNs
Url Filtering, Application Filtering through Fortinet Firewall
Implementation of HSRP, VRRP, and GLBP for Default Gateway Redundancy.
Access Control Server configuration for RADIUS & TACACS+.
Extensive working knowledge in BGP, OSPF, EIGRP, RIP, HSRP, L2/3 VPNs in IOS, IOS XE, and IOS XR platforms.
Extensive Knowledge in VLAN, STP, Trunking, HSRP, ACL, Prefix-list, Route-map
Recreate Customer Issues for Technical Troubleshooting in the Operate Lab
Implementation of VDC, VPC, VXLAN, and Cisco Fabric Path.
Implemented planned maintenances for hardware replacement or upgrades required for the Nexus 5K, 7K, and 9K and Data Center routers.
Implementation of MPLS, BGP, OSPF, MPLS L3VPN, VRF in Data Center Routers.
Integration of ACI in Data Center Nexus 9K switches.
Implemented the following features on the Cisco Nexus 9K, 7K, and 5K switches: vPC, HSRP, Fabric Path, OTV, EIGRP, BGP, VRF, FCoE, FC, PIM, GLBP
Ability to maintain a large network with complex network technology
Involved in Configuring and implementing Composite Network models consists of Cisco76XX, 72XX, 38XX series and ASR 9k, GSR 12K routers and Cisco 2950, 35XX, 50XX, 65XX Series switches.
Extensive knowledge in GRE tunnels, DMVPN Phase I and II, IPsec tunnels.
Implementing and configuration of MPLS L2 VPN and L3 VPN
Implementing and configuration of VRF, RD and RT
ollow workflow procedures of an operations center in a large global environment
Participate in the day, evening or overnight security operations center shift schedule
Establish and document procedures for network operations
Troubleshoot customer-facing issues and communicate with customers as needed
Serve as an escalation point for infrastructure and customer integration issues
Provide rapid response problem identification and resolution for DDOS attack mitigation platform
Troubleshoot platform and customer integration issues
Monitor and respond to all required operational support system events
Follow workflow procedures of an operations center in a large global environment
Participate in the day, evening or overnight security operations center shift schedule
Establish and document procedures for network operations
Troubleshoot customer-facing issues and communicate with customers as needed
Serve as an escalation point for infrastructure and customer integration issues
Provide rapid response problem identification and resolution for DDOS attack mitigation platform
Troubleshoot platform and customer integration issues
Monitor and respond to all required operational support system events
Designing High-Level Networks.
Working in the AT&T project for the Canadian Region \[ Canada and Latin America\]
Planning, designing and implementing network infrastructure solution using routers and switches
Handling different security techniques Cisco routers, Firewalls and switches.
Monitoring and managing routing, switching related tickets
Designing core layer, distribution layer, and Access layer
Troubleshooting connectivity problems
All IBM customers in Canada and Latin American Region \[ABB Canada, Motorola Brazil, IBM CHS Toronto\]
Designing and Solution of SNI, GSNI networks
Access in eCRM
Configuring and troubleshooting Cisco 800 series routers, Cisco 3750G POE Switch Stack.
Configuration of IP Routing including Static & Dynamic (RIP V2, EIGRP)
Configuring VLANs, Inter VLAN Routing & Port-based security in Cisco Switches.
Configuration of Cisco Routers (1800, 2800, 2900, 3640 Series) &
Designing network layouts & managing the installation, configuration.
Configuring and Troubleshooting of VPN based Networks.
Maintaining network configuration, connectivity, and testing.
Create and maintain VLANs with a Dell power connect 5224 switches.
Monitoring and Managing the whole IT infrastructure
Planning, designing, and implementing network infrastructure solutions using routers and switches.
Configuring VLANs, VTP on Cisco Switches, Inter VLAN Routing, Advanced Switching Protocols, and Advanced Spanning-Tree Features.
Handling different security techniques using ACL on Cisco routers and switches.
Implementing port-based security in switches.
Monitoring and managing routing, switching related tickets
Marinating the physical layer problems
Managing layer 2 problems
Managing VLAN configurations in CISCO 2950 Switch
Managing and Troubleshooting CISCO 3560 Switch
Installing Operating systems and applications
Monitoring and managing all Network Devices included Routers, Switches
IOS backup, booting routers through TFTP server
Troubleshooting connectivity problems
Performing Monitoring