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Senior Network /Security Engineer
Prabhuram Palanivel
,
Maidenhead, United Kingdom
Experience
Other titles
Skills
I'm offering
I am a CCNP certified Senior Network Engineer who has 12 years in the field, worked with Finance, Managed service, Telecom, ISP and Insurance provider sector. Worked with multivendor products. Hard worker, multi tasking, Solve complex issues, multiple projects who also got graduated as MSc Advanced Networking in a reputed UK University.
Markets
United Kingdom
Language
English
Fluently
Ready for
Larger project
Ongoing relation / part-time
Full time contractor
Available
My experience
2020 - ?
job
Network Engineer
Wifinity Ltd (Dedicated resource for Bourne Leisure Ltd).
My Main duties include:
Managing Primary, Secondary Datacenter, Head office users space and 52 medium size Remote sites (holiday parks) with multi-vendor products (which includes Huawei) for 3 individual brands.
Working on continues migration Projects to achieve cost savings (on decommissioning legacy devices, WAN & DIA circuit cease).
WAN projects to migrate MPLS & Internet services from existing ISP to new.
Closely work with TDA for implementing core BGP/MPLS changes.
TACACS (ISE) rollout for entire Huawei estate (approx. 600+ devices)
Implemented GUEST WIFI solution for office users, other mini Network projects.
Managing BAU firewall changes on Python based script (iptables) + all BAU network changes (which includes NX 9K – ACI).
Managing Primary, Secondary Datacenter, Head office users space and 52 medium size Remote sites (holiday parks) with multi-vendor products (which includes Huawei) for 3 individual brands.
Working on continues migration Projects to achieve cost savings (on decommissioning legacy devices, WAN & DIA circuit cease).
WAN projects to migrate MPLS & Internet services from existing ISP to new.
Closely work with TDA for implementing core BGP/MPLS changes.
TACACS (ISE) rollout for entire Huawei estate (approx. 600+ devices)
Implemented GUEST WIFI solution for office users, other mini Network projects.
Managing BAU firewall changes on Python based script (iptables) + all BAU network changes (which includes NX 9K – ACI).
Python, Firewall, Network, Office, Internet, Datacenter, WiFi, WAN
2018 - 2020
freelance
Network and Security Consultant
Hitachi Europe Ltd.
My Main duties include:
• Quick learner in complex network (includes multiple Hitachi Group companies).
• Manage LAN, Wireless, multiple WAN (MPLS, DIA) circuit and Network perimeter services.
• Manage Offshore Network team (8 members).
• Working in Data centre migration project for cloud and hybrid solution.
• Design (High level and low level), implementation of AZURE solution.
• Support Checkpoint firewalls, Cisco switches and Juniper Pulse secure SSL VPN.
• Implement, migrate Cloud web proxy (Symantec & Zscaler).
• Involved in low level design and implementation Zscaler proxy.
• Manage WPAD, DNS(Internal-BIND), external.
• Tools - Argent, MRTG, OKTA (Identity provider), VIP manager.
• Quick learner in complex network (includes multiple Hitachi Group companies).
• Manage LAN, Wireless, multiple WAN (MPLS, DIA) circuit and Network perimeter services.
• Manage Offshore Network team (8 members).
• Working in Data centre migration project for cloud and hybrid solution.
• Design (High level and low level), implementation of AZURE solution.
• Support Checkpoint firewalls, Cisco switches and Juniper Pulse secure SSL VPN.
• Implement, migrate Cloud web proxy (Symantec & Zscaler).
• Involved in low level design and implementation Zscaler proxy.
• Manage WPAD, DNS(Internal-BIND), external.
• Tools - Argent, MRTG, OKTA (Identity provider), VIP manager.
Design, Azure, Cisco, Cloud, DNS, Security, Wireless, Network, Offshore, Implementation, Support, Web, WAN, Https, Hybrid, Manager
2017 - 2018
job
Network Security Specialist
Visa Europe Ltd.
My Main duties include:
• Strong analytical, organizational skills of implementing, managing multiple vendors in a complex environment.
• Providing high-level Network support (Level-3) for Production & Corporate Network infrastructure.
• Managing two Data Centre Network (Production), Corporate Office (3 UK & 12 EU Regional Offices).
• Solid Experience in Cisco Routing, Switching, ASA, Nexus 5K, 7K, F5 Big IP (Enterprise Manager, BIG IQ), Citrix NetScaler, Checkpoint (R77.20, R77.30) & NSX firewall.
• Administer and Managing LAN, WAN, MPLS-VRF.
• Strictly adhere to company ITIL standard processes (Change Management), SLA.
• Ensure Security Vulnerabilities patched across the entire Network Infrastructure. (Heavily involved in Cisco ASA, Switch, F5).
• Redesign and implementing Cisco WLAN infrastructure across Corporate Office (3 UK & 12 EU Regional offices).
• Being an Excellent Network resource for multiple projects simultaneously, good team player across local & Global Network Team.
• Excellent work Experience in infoblox & Skybox Security.
• Strong analytical, organizational skills of implementing, managing multiple vendors in a complex environment.
• Providing high-level Network support (Level-3) for Production & Corporate Network infrastructure.
• Managing two Data Centre Network (Production), Corporate Office (3 UK & 12 EU Regional Offices).
• Solid Experience in Cisco Routing, Switching, ASA, Nexus 5K, 7K, F5 Big IP (Enterprise Manager, BIG IQ), Citrix NetScaler, Checkpoint (R77.20, R77.30) & NSX firewall.
• Administer and Managing LAN, WAN, MPLS-VRF.
• Strictly adhere to company ITIL standard processes (Change Management), SLA.
• Ensure Security Vulnerabilities patched across the entire Network Infrastructure. (Heavily involved in Cisco ASA, Switch, F5).
• Redesign and implementing Cisco WLAN infrastructure across Corporate Office (3 UK & 12 EU Regional offices).
• Being an Excellent Network resource for multiple projects simultaneously, good team player across local & Global Network Team.
• Excellent work Experience in infoblox & Skybox Security.
Infrastructure, Manager, Processes, NetScaler, Enterprise, Redesign, Production, WAN, Office, SOLID, Change management, Support, Network, Security, Firewall, Citrix, Management, Cisco, ITIL
2016 - 2017
job
Network Support Engineer
Redcentric Plc Ltd.
My Main duties include:
• As a part of 3rd Line Network Support Team, Provide excellent Network support to escalated issues for 2000+ customers across managed service (includes secured Government Project) & WAN Circuit.
• Working across multi-vendor Network kits as Cisco, Nexus (3K, 5K & 7K) Juniper (SRX, SSG), Citrix NetScaler, Fortinet and Palo Alto.
• Network Support on DR test, failover test for multiple customer.
• Good Understanding of MPLS/ VRF Networks.
• Build IPS/IDS (Cisco Firepower) system.
• As a part of 3rd Line Network Support Team, Provide excellent Network support to escalated issues for 2000+ customers across managed service (includes secured Government Project) & WAN Circuit.
• Working across multi-vendor Network kits as Cisco, Nexus (3K, 5K & 7K) Juniper (SRX, SSG), Citrix NetScaler, Fortinet and Palo Alto.
• Network Support on DR test, failover test for multiple customer.
• Good Understanding of MPLS/ VRF Networks.
• Build IPS/IDS (Cisco Firepower) system.
Cisco, Citrix, Test, Service, Network, Support, WAN, Fortinet, NetScaler
2014 - 2016
job
Network Engineer
Audatex (UK) Ltd.
My Main duties include:
• Strong experience with Cisco Routing and Switching (including NX 5K), Load balancing (F5 BIG-IP 3600), Firewall (Cisco ASA's, Checkpoint UTM-1).
• Managing core data, WAN for multiple Offices & Data Centre environments across Nation and abroad.
• Being a core member in BAU & continuous projects by constant Mergers and acquisitions.
• Network Support for Service Delivery, working hard to achieve minimal Outage.
• Managing IP network across different circuit (includes VPLS, DIA) with multiple providers.
• Configuring, managing HSRP, BGP, OSPF, STP, VTP, DNS (external), SSL certificate.
• Managing existing WLAN & planning, building new WLAN across different offices.
• DR Test (once every Quarter) for internal service & multiple clients.
• Built multiple NPS servers, migrated 500 + Users to 802.1X across different sites.
• Core member in planning, design & decommission 50+ legacy Network kits in DC, migrated all products/services to different DC.
• Building, migrated users, managing Bluecoat (ProxySG V100)
• Manage Opsview Monitoring system.
• Level1/2 support in IP Telephony based on CUCM, CCX and UCS (basic).
• Strong experience with Cisco Routing and Switching (including NX 5K), Load balancing (F5 BIG-IP 3600), Firewall (Cisco ASA's, Checkpoint UTM-1).
• Managing core data, WAN for multiple Offices & Data Centre environments across Nation and abroad.
• Being a core member in BAU & continuous projects by constant Mergers and acquisitions.
• Network Support for Service Delivery, working hard to achieve minimal Outage.
• Managing IP network across different circuit (includes VPLS, DIA) with multiple providers.
• Configuring, managing HSRP, BGP, OSPF, STP, VTP, DNS (external), SSL certificate.
• Managing existing WLAN & planning, building new WLAN across different offices.
• DR Test (once every Quarter) for internal service & multiple clients.
• Built multiple NPS servers, migrated 500 + Users to 802.1X across different sites.
• Core member in planning, design & decommission 50+ legacy Network kits in DC, migrated all products/services to different DC.
• Building, migrated users, managing Bluecoat (ProxySG V100)
• Manage Opsview Monitoring system.
• Level1/2 support in IP Telephony based on CUCM, CCX and UCS (basic).
Design, Cisco, DNS, Firewall, Test, Service, Network, Support, Monitoring, Load balancing, WAN, Https, Service Delivery, STP, Basic
2013 - 2014
job
Tier 2 NOC Engineer
Daisy Group Plc.
My Main duties include:
• Strong understanding of TCP/IP Architecture.
• Excellent in Communication, Knowledge sharing, teamwork and interpersonal skills working in PRO ROTA basis.
• Quick learner of Customer Network and Internal Data centre Network.
• Proactively manage Network operational incidents, change and service requests raised on the SNOW service now ticketing system.
• Excellent in Troubleshooting issues with minimal Documentation/Supervision.
• Work through strict level of SLA's to provide better Managed service and Internal Customers.
• Ensure all network components are appropriately monitored and integrated into the enterprise monitoring solution (SPECTRUM).
• Expert working with major Cisco Switches, Routers Security devices & juniper devices.
• Basic exposure to Cisco ASR, Nexus (2K, 5K, 7K).
• Expert in EIGRP, OSPF &BGP routing Protocols.
• Route Filtering on BGP, EIGRP using Distribute List (Route map, Prefix list & extended ACL).
• Experience in Redistributing routes such as Static, Default into routing protocol/ between the routing protocols.
• Troubleshooting knowledge in Policy based routing (PBR) using route maps.
• Experience in providing ISP services like Point to Point (leased lines), basic IP MPLS services.
• Good knowledge in WAN technologies Frame relay, MPLS VPN.
• Confident working in STP, DHCP, DNS, HSRP, VLANS, Port Channels, IP Addressing (V4&V6) & Subnetting.
• Expert in supporting/troubleshooting on all Cisco Security devices (ASA,PIX).
• Confident in the area of DMZ, ACL, Access Group &NAT.
• Good knowledge of Internet security controls such as web filtering and content management (ISA, Websense).
• Experience in using protocol analyzers and sniffers (Wireshark, Packet Tracer, Capture list on Firewall).
• Confident in working with Cisco load balancers (ACE, CSS).
• Excellent in troubleshooting LAN/WAN issues and react proactively for technical solutions.
• Communicating with different major service provider for Service interruption/ Upgrades.
• Experience working with BT N3 network in Data Centre environment.
• Strong understanding of TCP/IP Architecture.
• Excellent in Communication, Knowledge sharing, teamwork and interpersonal skills working in PRO ROTA basis.
• Quick learner of Customer Network and Internal Data centre Network.
• Proactively manage Network operational incidents, change and service requests raised on the SNOW service now ticketing system.
• Excellent in Troubleshooting issues with minimal Documentation/Supervision.
• Work through strict level of SLA's to provide better Managed service and Internal Customers.
• Ensure all network components are appropriately monitored and integrated into the enterprise monitoring solution (SPECTRUM).
• Expert working with major Cisco Switches, Routers Security devices & juniper devices.
• Basic exposure to Cisco ASR, Nexus (2K, 5K, 7K).
• Expert in EIGRP, OSPF &BGP routing Protocols.
• Route Filtering on BGP, EIGRP using Distribute List (Route map, Prefix list & extended ACL).
• Experience in Redistributing routes such as Static, Default into routing protocol/ between the routing protocols.
• Troubleshooting knowledge in Policy based routing (PBR) using route maps.
• Experience in providing ISP services like Point to Point (leased lines), basic IP MPLS services.
• Good knowledge in WAN technologies Frame relay, MPLS VPN.
• Confident working in STP, DHCP, DNS, HSRP, VLANS, Port Channels, IP Addressing (V4&V6) & Subnetting.
• Expert in supporting/troubleshooting on all Cisco Security devices (ASA,PIX).
• Confident in the area of DMZ, ACL, Access Group &NAT.
• Good knowledge of Internet security controls such as web filtering and content management (ISA, Websense).
• Experience in using protocol analyzers and sniffers (Wireshark, Packet Tracer, Capture list on Firewall).
• Confident in working with Cisco load balancers (ACE, CSS).
• Excellent in troubleshooting LAN/WAN issues and react proactively for technical solutions.
• Communicating with different major service provider for Service interruption/ Upgrades.
• Experience working with BT N3 network in Data Centre environment.
Content, Basic, STP, Enterprise, WAN, Web, Internet, Monitoring, Supervision, Network, Security, Css, Architecture, Service, Firewall, TCP/IP, Management, DNS, Cisco, Content Management, React
2009 - 2013
job
Network Engineer
Lycamobile.
My Main duties include:
• Thorough understanding of OSI, TCP/IP model.
• Providing ITIL standard support to our Internal/Europe users to diagnosis and resolve their IT issues using SysAid IT Helpdesk system for 1000+ users.
• Excellent in providing 2nd/3rd line support for Network, MS Active Directory, MS Exchange and File service.
• Well versed in working with end-users for Network and technical support as per the SLA.
• Provide 24/7 support for maintaining maximum uptime of overall Network.
• Excellent Knowledge in IPV4 addressing (Subnetting), basic IPV6 addressing.
• Experienced in designing and implementation of LAN and maintenance of Layer 2 and Layer 3 Switches.
• Managing all new installation projects for switches, routers and other network resources.
• Configuring and administering 3Com and Cisco 2950, 2960, 3560, 3750, 4500 series of switch.
• Worked on switching technologies like VLAN, VTP, Inter VLAN communication and STP.
• Configuring of all features in Switch like Fast Ether Channel, Port Fast, Uplink Fast and VTP Domains.
• Configuring and administering Cisco 2600, 2800, 3600, 3700, 3900 series of router.
• Good working knowledge in routing protocols like OSPF, EIGRP and basic BGP.
• Knowledge in WAN connection like ADSL, SDSL, Point to Point and MPLS Networks.
• Experienced in administering and configuring security devices like FortiGate, PIX and ASA.
• Proficient in configuring VPN (IPsec Site to Site) from Head office (Cisco ASA) to branch offices (FortiGate 60 C) across Europe for VOIP/Data.
• Design and implemented security policies using ACL, ASA Firewall.
• Implemented ACL (standard, extended) for traffic management.
• Configuration of VLAN's, Segmentation and management with ACL.
• Migrated 700 users from static IP address to DHCP for both data & Voice.
• Managing DHCP service which includes Scalability of IP Subnet and VLAN.
• Design, implementation and manage Medium sized Wireless LAN Network.
• Configuring & managing wireless LAN Using Cisco Wireless LAN Controller (WLC).
• Extending wireless LAN by installing new Cisco Access Points.
• Create user manuals and proactive procedures for problem preventions and resolutions.
• Bringing up the incident management and change management process inline.
• Generating reports for the day-to-day operations trend analysis.
• Responsible for monitoring the Application Traffic utilization using Netflow Analyser, Wireshark.
• Implementing NMS tools for monitoring traffic and logs.
• Implementation and configuration of the private and public DMZ.
• Troubleshooting Network Related issues remotely for IP Phone Configuration, IP Cameras and Access system for Remote offices across Europe.
• Plan/Design/migration of desktop, server and associated infrastructure from Workgroup environment to Active Directory 2008 for 700 users.
• Microsoft Exchange Server 2010 migration, implementation and support for 700 users.
• Active Directory administration, including user account and profile management.
• Expertise in Active Directory 2008 GPO's & MS Exchange 2010.
• Managing Email issues in POP3 and MS 2010 environment.
• Provide support for MS office 2003, 2007 and 2010 applications.
• Thorough understanding of OSI, TCP/IP model.
• Providing ITIL standard support to our Internal/Europe users to diagnosis and resolve their IT issues using SysAid IT Helpdesk system for 1000+ users.
• Excellent in providing 2nd/3rd line support for Network, MS Active Directory, MS Exchange and File service.
• Well versed in working with end-users for Network and technical support as per the SLA.
• Provide 24/7 support for maintaining maximum uptime of overall Network.
• Excellent Knowledge in IPV4 addressing (Subnetting), basic IPV6 addressing.
• Experienced in designing and implementation of LAN and maintenance of Layer 2 and Layer 3 Switches.
• Managing all new installation projects for switches, routers and other network resources.
• Configuring and administering 3Com and Cisco 2950, 2960, 3560, 3750, 4500 series of switch.
• Worked on switching technologies like VLAN, VTP, Inter VLAN communication and STP.
• Configuring of all features in Switch like Fast Ether Channel, Port Fast, Uplink Fast and VTP Domains.
• Configuring and administering Cisco 2600, 2800, 3600, 3700, 3900 series of router.
• Good working knowledge in routing protocols like OSPF, EIGRP and basic BGP.
• Knowledge in WAN connection like ADSL, SDSL, Point to Point and MPLS Networks.
• Experienced in administering and configuring security devices like FortiGate, PIX and ASA.
• Proficient in configuring VPN (IPsec Site to Site) from Head office (Cisco ASA) to branch offices (FortiGate 60 C) across Europe for VOIP/Data.
• Design and implemented security policies using ACL, ASA Firewall.
• Implemented ACL (standard, extended) for traffic management.
• Configuration of VLAN's, Segmentation and management with ACL.
• Migrated 700 users from static IP address to DHCP for both data & Voice.
• Managing DHCP service which includes Scalability of IP Subnet and VLAN.
• Design, implementation and manage Medium sized Wireless LAN Network.
• Configuring & managing wireless LAN Using Cisco Wireless LAN Controller (WLC).
• Extending wireless LAN by installing new Cisco Access Points.
• Create user manuals and proactive procedures for problem preventions and resolutions.
• Bringing up the incident management and change management process inline.
• Generating reports for the day-to-day operations trend analysis.
• Responsible for monitoring the Application Traffic utilization using Netflow Analyser, Wireshark.
• Implementing NMS tools for monitoring traffic and logs.
• Implementation and configuration of the private and public DMZ.
• Troubleshooting Network Related issues remotely for IP Phone Configuration, IP Cameras and Access system for Remote offices across Europe.
• Plan/Design/migration of desktop, server and associated infrastructure from Workgroup environment to Active Directory 2008 for 700 users.
• Microsoft Exchange Server 2010 migration, implementation and support for 700 users.
• Active Directory administration, including user account and profile management.
• Expertise in Active Directory 2008 GPO's & MS Exchange 2010.
• Managing Email issues in POP3 and MS 2010 environment.
• Provide support for MS office 2003, 2007 and 2010 applications.
Analyzes, Network, Router, It, Implementation, Support, Infrastructure, Incident Management, Monitoring, Voip, Office, Server, Scalability, WAN, UP, STP, Basic, Design, Wireless, Security, Service, Firewall, TCP/IP, Management, C, Cisco, Exchange, Active Directory, ITIL, MS office, Operations, Administration, Change management
2005 - 2006
job
Network Engineer
SysMatix Solutions.
My Main duties include:
• Hands on experience with the ticketing systems like Remedy and Peregrine.
• Troubleshooting LAN /WAN infrastructure.
• Proficient in Cisco IOS CLI and CAT OS CLI.
• Configuring and maintaining Cisco routers, switches.
• Worked extensively in D-Link routers and switches.
• Good Knowledge in RIP, IGRP, EIGRP, OSPF (multi area) routing protocols.
• Proficient in switching technologies like VLAN, VTP and STP.
• IPv4 address assignment and management using NAT and PAT.
• Configure and support VPN (Site- to- Site) between main office and branch offices.
• Working Knowledge in configuring HSRP, VRRP.
• Monitoring and Managing LAN/WAN through Hp Openview.
• Knowledge of WAN technologies such as ISDN, frame relay and PPP.
• Maintaining a Windows Server 2003 Active Directory Infrastructure, group policy creation and maintenance, security template creation, file and print services.
• Managing Exchange Server 2003, user account creation, profile management, support for mail box, address lists, public folders.
• Maintaining and configuring McAfee enterprise endpoint.
• Supporting and troubleshooting applications on a XP and Vista.
• Configure and support Network Attached Storage (NAS).
• Ensuring data is backed up on a regular basis.
• Laptops/Desktops support management
• Maintaining inventory of IT hardware and software.
• Hands on experience with the ticketing systems like Remedy and Peregrine.
• Troubleshooting LAN /WAN infrastructure.
• Proficient in Cisco IOS CLI and CAT OS CLI.
• Configuring and maintaining Cisco routers, switches.
• Worked extensively in D-Link routers and switches.
• Good Knowledge in RIP, IGRP, EIGRP, OSPF (multi area) routing protocols.
• Proficient in switching technologies like VLAN, VTP and STP.
• IPv4 address assignment and management using NAT and PAT.
• Configure and support VPN (Site- to- Site) between main office and branch offices.
• Working Knowledge in configuring HSRP, VRRP.
• Monitoring and Managing LAN/WAN through Hp Openview.
• Knowledge of WAN technologies such as ISDN, frame relay and PPP.
• Maintaining a Windows Server 2003 Active Directory Infrastructure, group policy creation and maintenance, security template creation, file and print services.
• Managing Exchange Server 2003, user account creation, profile management, support for mail box, address lists, public folders.
• Maintaining and configuring McAfee enterprise endpoint.
• Supporting and troubleshooting applications on a XP and Vista.
• Configure and support Network Attached Storage (NAS).
• Ensuring data is backed up on a regular basis.
• Laptops/Desktops support management
• Maintaining inventory of IT hardware and software.
Infrastructure, STP, UP, XP, Enterprise, WAN, Server, Software, Storage, Office, NAS, Hardware, Monitoring, IOS, Support, Remedy, It, Network, Security, Windows, Windows server, Management, Print, Cisco, Exchange, Active Directory
My education
2006
-
2008
Edinburgh Napier University
MSc, Advanced Networking
MSc, Advanced Networking
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