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Network and Security Engineer
Thomas Isaac
,
Watford, United Kingdom
Experience
Other titles
Skills
I'm offering
Network and security Professional with experience in Routing & Switching, ASA Firewall Security and LAN & WAN infrastructure. Expert to deliver solution to complex business problems at enterprise level core-networking Infrastructure, LAN, WAN, Data center and firewall security. Dedicated to achieve results within scope, time, cost and quality parameters. Wide-ranging experience delivering services and solutions to Public & Private sectors, Education and IT consultancy.
Markets
United Kingdom
France
Germany
Denmark
Norway
Sweden
Language
English
Fluently
Ready for
Larger project
Ongoing relation / part-time
Full time contractor
Available
My experience
2018 - ?
job
3rd Line Network Engineer
Metroline.
• Network Project design, configuration, implementation and testing.
• Troubleshooting of issues escalated from second level related to network infrastructure, Switching and Routing, ASA firewalls, Anyconnect VPN, IPS, CWS, Fortinet firewalls, OSPF, BGP, IP VPN, and Cisco
WSA etc.
• Cisco Nexus: 9K, 5K, and 2k; Firewalls: Cisco ASA 5525X, Fortinet, Cisco IPS, Cisco Cloud web Proxy;
Cisco Catalyst Switches: C2960x, C3750, C3800, C1100.
• Administer, monitor, and troubleshoot the entire network Infrastructure of Main sites and remotes sites which
include, Datacenters, remote offices, online VPN connected users, Site to Site VPN connected sites etc.
• Tasks of new Project Planning, selection of suitable latest technology devices, Configure the devices, and implementation.
• Protocol: BGP, OSPF, VLAN, SSL & IPSEC VPN, VPC, Ether channel, SNMP, etc.
• Troubleshooting of issues escalated from second level related to network infrastructure, Switching and Routing, ASA firewalls, Anyconnect VPN, IPS, CWS, Fortinet firewalls, OSPF, BGP, IP VPN, and Cisco
WSA etc.
• Cisco Nexus: 9K, 5K, and 2k; Firewalls: Cisco ASA 5525X, Fortinet, Cisco IPS, Cisco Cloud web Proxy;
Cisco Catalyst Switches: C2960x, C3750, C3800, C1100.
• Administer, monitor, and troubleshoot the entire network Infrastructure of Main sites and remotes sites which
include, Datacenters, remote offices, online VPN connected users, Site to Site VPN connected sites etc.
• Tasks of new Project Planning, selection of suitable latest technology devices, Configure the devices, and implementation.
• Protocol: BGP, OSPF, VLAN, SSL & IPSEC VPN, VPC, Ether channel, SNMP, etc.
Design, Cisco, Cloud, Network, Technology, Implementation, Infrastructure, Testing, Web, Online, Fortinet, Snmp, Https
2017 - 2018
job
Senior Network Engineer
Wokingham Civic Center, Wokingham.
Design and implementation of new solutions and improving resilience and security of the current network
environment
• 3rd line Administration, fault management, Configuration, Installation, Change management, project
planning, configuration, implementation etc. for the main Council site and 42 remote sites,
• 3rd line Network Engineer to troubleshoot network issues escalated, related to ASA firewalls, Nexus
Switches (5K & 2K series), Cisco Routers, Cisco Catalyst Switches, Wireless LAN Controller, Meraki
and Cisco Access points.
• Design and configure ASA firewall Site to Site VPN, Anyconnect VPN, Security Monitoring, Network
Infrastructure monitoring and administration
• Change and upgrade Firewall security ACL rules in line with security policy
• Plan, configure and Upgrade ASA 5545X Firewall to Firepower, ASA 5505 to 5506X, 5520 to 5525X
1
• Monitor, troubleshoot, Packet capture and analysis: Wireshark, Network monitor, Fiddler 4, PRTG
• HP switches administration Configuration: Procurve 6200yl, 2810, 2610, 2650
• Plan, design, configure and deploy network devices, for new sites: Cisco Switches, ASA Firewalls
• Storage area network, monitoring, planning and configuration
• LAN and WAN monitoring and maintenance, configuration and bandwidth utilization analysis
• System and network error testing and the identification of root cause, analyse, resolve and implementation
solutions
• ASA firewall 5545X, 5525X, 5525, 5510 5506X, 5505 etc. Configuration and administration
• AnyConnect VPN configuration and administration, plan, design, configure, deploy new AnyConnect
VPN and clientless VPN and Smart tunnel
• Nexus Switches: configure VLAN, VPC, Port channels, routing protocols, and new fiber link upgrade,
with failover HSRP configurations.
• F5 Load balancer, Configuration and troubleshooting.
environment
• 3rd line Administration, fault management, Configuration, Installation, Change management, project
planning, configuration, implementation etc. for the main Council site and 42 remote sites,
• 3rd line Network Engineer to troubleshoot network issues escalated, related to ASA firewalls, Nexus
Switches (5K & 2K series), Cisco Routers, Cisco Catalyst Switches, Wireless LAN Controller, Meraki
and Cisco Access points.
• Design and configure ASA firewall Site to Site VPN, Anyconnect VPN, Security Monitoring, Network
Infrastructure monitoring and administration
• Change and upgrade Firewall security ACL rules in line with security policy
• Plan, configure and Upgrade ASA 5545X Firewall to Firepower, ASA 5505 to 5506X, 5520 to 5525X
1
• Monitor, troubleshoot, Packet capture and analysis: Wireshark, Network monitor, Fiddler 4, PRTG
• HP switches administration Configuration: Procurve 6200yl, 2810, 2610, 2650
• Plan, design, configure and deploy network devices, for new sites: Cisco Switches, ASA Firewalls
• Storage area network, monitoring, planning and configuration
• LAN and WAN monitoring and maintenance, configuration and bandwidth utilization analysis
• System and network error testing and the identification of root cause, analyse, resolve and implementation
solutions
• ASA firewall 5545X, 5525X, 5525, 5510 5506X, 5505 etc. Configuration and administration
• AnyConnect VPN configuration and administration, plan, design, configure, deploy new AnyConnect
VPN and clientless VPN and Smart tunnel
• Nexus Switches: configure VLAN, VPC, Port channels, routing protocols, and new fiber link upgrade,
with failover HSRP configurations.
• F5 Load balancer, Configuration and troubleshooting.
Design, Change management, Administration, Cisco, Management, Firewall, Network, Security, Wireless, Implementation, Infrastructure, Monitoring, Testing, Storage, WAN, Planning
2016 - 2017
job
Network Engineer
Academia.co.uk.
Enfield, London
• Data center project deployment and implementation- 6 months contract
• Cisco Switches: Design and Configuring LAN, WAN and SAN
• Juniper Switches and Routers: Routing, Security and LAN Configuration
• Checkpoint Firewall: Design and Configuration of Security policies and VPN tunnels.
• F5 Load balancer: Plan, configure and installation of F5 load balancer
• MPLS, DMVPN, BGP and VRF Configuration for various clients.
• Data center project deployment and implementation- 6 months contract
• Cisco Switches: Design and Configuring LAN, WAN and SAN
• Juniper Switches and Routers: Routing, Security and LAN Configuration
• Checkpoint Firewall: Design and Configuration of Security policies and VPN tunnels.
• F5 Load balancer: Plan, configure and installation of F5 load balancer
• MPLS, DMVPN, BGP and VRF Configuration for various clients.
Design, Cisco, Deployment, Firewall, Network, Security, Implementation, WAN, SAN
2013 - 2016
job
Infrastructure Specialist
West Herts College.
Watford
• 2nd and 3rd line support to infrastructure system consists of Cisco Switches, ASA firewall, VMware
vSphere 5.5, HP and Dell Storage, SAN switches
• Investigating and analyse issues of Network, Security and server infrastructure devices
Cisco WIFI Access point, HP AP, Meraki AP
• Daily monitoring and configuration of network infrastructure systems, Solarwind Orion, Cisco wireless
control system, Citrix desktop director, HP storage virtual centralized management. etc.
• Installation and configuration of Microsoft Server 2008 systems- Active directory, DNS, DHCP, print
servers, file servers etc.
• Technical support to Exchange server 2010, outlook 2010 and 2013 etc.
• Installation, configuration, performance monitoring of Blade servers, HP storage servers etc.
• VMware vSphere, ESXi Hosts, virtual servers, VDI clients, Citrix desktop director, XenApp and citrix
app server etc.
• SAN storage, Backup exec, SCCM client imaging and monitoring
• Group policy management. Other network issues related to Desktops, laptops, wireless devices etc.
• 2nd and 3rd line support to infrastructure system consists of Cisco Switches, ASA firewall, VMware
vSphere 5.5, HP and Dell Storage, SAN switches
• Investigating and analyse issues of Network, Security and server infrastructure devices
Cisco WIFI Access point, HP AP, Meraki AP
• Daily monitoring and configuration of network infrastructure systems, Solarwind Orion, Cisco wireless
control system, Citrix desktop director, HP storage virtual centralized management. etc.
• Installation and configuration of Microsoft Server 2008 systems- Active directory, DNS, DHCP, print
servers, file servers etc.
• Technical support to Exchange server 2010, outlook 2010 and 2013 etc.
• Installation, configuration, performance monitoring of Blade servers, HP storage servers etc.
• VMware vSphere, ESXi Hosts, virtual servers, VDI clients, Citrix desktop director, XenApp and citrix
app server etc.
• SAN storage, Backup exec, SCCM client imaging and monitoring
• Group policy management. Other network issues related to Desktops, laptops, wireless devices etc.
Security, Blade, SAN, VDI, App, Server, Storage, Backup, Monitoring, Infrastructure, Support, Wireless, Active Directory, Citrix, Network, Firewall, Management, Microsoft Server, DNS, Print, Cisco, VMware, Exchange
2008 - 2013
job
Network Engineer
Cerco IT Staffing solutions ltd.
Cheshire, UK
• Upgrade Infrastructure Devices
• Plan, configure and deploy Nexus 2K, 3K and 5K with VLAN, vPC, Static and Dynamic routing and Trunk
links.
• Planning, designing, implementing and enhancing Managed Services clients' Networks.
• Plan, configure and Implement core-access level infrastructure design with redundancy
• Troubleshooting of network connectivity issues of the client and main infrastructure system.
• Installation, configuration and troubleshooting of Network problems DHCP, DNS, etc.
• Maintain and troubleshoot L2/L3/L4 ACTIVITIES
• Switching and routing configuration, Redundancy protocol (HSRP and VRRP) configuration, STP,
VLANs, Private VLANs and ACL configuration of Cisco layer 3 Switches- 3560, 4500, 6500, nexus
5500, 3725x and routers - 2800 series, 2900, 3900 series.
• Configure port security, STP VLANs, POE and uplinks of Catalyst Access level Switches, 2960x, 3560,
3750x.
• VPN and firewall configurations.
2
• Provide WAN, LAN technical support to the remote locations and troubleshoot the problem
• Upgrade Infrastructure Devices
• Plan, configure and deploy Nexus 2K, 3K and 5K with VLAN, vPC, Static and Dynamic routing and Trunk
links.
• Planning, designing, implementing and enhancing Managed Services clients' Networks.
• Plan, configure and Implement core-access level infrastructure design with redundancy
• Troubleshooting of network connectivity issues of the client and main infrastructure system.
• Installation, configuration and troubleshooting of Network problems DHCP, DNS, etc.
• Maintain and troubleshoot L2/L3/L4 ACTIVITIES
• Switching and routing configuration, Redundancy protocol (HSRP and VRRP) configuration, STP,
VLANs, Private VLANs and ACL configuration of Cisco layer 3 Switches- 3560, 4500, 6500, nexus
5500, 3725x and routers - 2800 series, 2900, 3900 series.
• Configure port security, STP VLANs, POE and uplinks of Catalyst Access level Switches, 2960x, 3560,
3750x.
• VPN and firewall configurations.
2
• Provide WAN, LAN technical support to the remote locations and troubleshoot the problem
Design, Cisco, DNS, Firewall, Network, Security, Support, Infrastructure, WAN, STP
2005 - 2008
job
Network Technician
Ealing and West London College.
• Configure, troubleshoot, and administer Network managed Switches and Layer 3 devices.
• Project implementation, installation and configuration of Cisco, Netgear nad HP Switches, ADSL
Routers, LAN, WAN and VPN configurtion
• Maintain a professional customer service ensuring that all customers are treated efficiently and in an
appropriate manner and priorities jobs as per the nature of the job
• Project implementation, installation and configuration of Cisco, Netgear nad HP Switches, ADSL
Routers, LAN, WAN and VPN configurtion
• Maintain a professional customer service ensuring that all customers are treated efficiently and in an
appropriate manner and priorities jobs as per the nature of the job
Cisco, Customer service, Service, Network, Implementation, WAN
My education
2012
-
2014
Cisco Network Academy
CCNP, Cisco R&S
CCNP, Cisco R&S
2011
-
2012
Vmware
VCP6.0, VMware Virtulisation Data center
VCP6.0, VMware Virtulisation Data center
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