Working for a British company that sells Internet and telecommunications services, including internet hosting, broadband Internet connections, and VOIP. Delivering consistent, high quality service supporting network and security devices, including virtualized devices. Designing and implementing complex LAN & WAN and DC solutions while managing customer expectations. Delivering a wide range of solutions, including multi-site Layer 3 VPN, Layer 2 VPNs, site based LAN solutions, WLAN solutions, DC Solutions, Network security and IP Transit solutions.

• Defining lifecycle and capacity management, releasing upgrade planning, high and low level designs for unified network platforms and customer solutions
• Supporting the architecture and product and pre-sales teams in line with business strategy and lifecycle management
• Instrumental in the design and implementation of new Data Centre, Inter DC communications and core MPLS network for provisioning new services
• Providing 4th Line support on customer issues as well as internal core network issues
• Responsible or core MPLS Network upgrades of Daisy Communications, consisting mostly of Cisco including CRS, Cisco 7600, ASR1K, ASR 9K, Nexus 5K, 9K
• Designing builds templates for BGP, Quality of Service, Device hardening, and Firewalls
• Liaising with other service providers and suppliers regarding issues, faults and diagnostics
• Producing documentation and reviewing existing BAU procedures to ensure the achievement of best practice

• Design & Implement network core upgrades to support new business requirements and improve security of existing network.
• Involvement in Multi million pounds project of upgrading The Logic Group network to bring it up to Barclay’s security standards; development and deployment of new end to end new security model – including recommending, acquiring and installing new Firewalls, Routers, Switches and DC Equipment.
• New DC design – using Cisco Nexus, UCS environment and Inter DC connectivity deployment
• Define build documents for Switches (3750, 4500, Nexus 2K, 5K & 7K), Routers (2800’s, 2900s, 3900’s, 4400s, 7200’s), Firewalls (ASA), F5 Load Balancers (GTM/LTM)
• PCI/DSS Compliance; Gap Analysis and Remediation work, Design Core network refresh. VLAN segregation, traffic filtering, 2 step authentication, Firewall upgrades, Router, Firewall and Switch hardening
Process documentation
• Layer 2 Security, 802.1x, RADIUS, Vlan Access lists (VACLs), MAC address filtering, Port Security, STP root
• guard, BPDUFilter
• Layer 3 security; Control Plane Policing, Management ACLs, TACACs, Routing Protocol Security

• Design and implement multi-vendor secured connectivity solutions
• Secured hosting and DR, Recover to Cloud services design and configurations
• High and Low Level design (LLD & HLD) for complex customer LAN, WAN and DC solutions.
• Deployed Juniper QFX 5100 Data Centre Switches
• MPLS Quality of Service design and rollout throughout SunGard’s core Network
• Devise and review BAU procedures and support model. Improve efficient of support to decrease down time.
• Work through the project life cycle – from information gather to design to implantations and writing templates for provisioning team.
• Layer 4 support for core network issues. Take ownership of any customer projects and any relates issues for new customer installs
• Acting as a Technical Design Authority for IP and Security design Review and Sign off.

• PCI/DSS Compliance work; Gap Analysis and remediation work, Vlan segregation, traffic filtering, Firewall upgrades, Router, Firewall and Switch hardening
• Develop Build documentation and standard templates for provisioning of devices / services.
• Network Upgrades & End of life replacements – plan & implement with minimal downtime.
• Work on Switch security 802.1x, RADIUS, Vlan Access lists (VACLs), MAC address filtering, Port Security, STP root guard, BPDUFilter
• Layer 3 security; Control Plane Policing, Management ACLs, TACACs, Routing Protocol Security
• Design and implement new network monitoring model to reduce downtime

• Design, deploy and handover to support customer networks, remote access solutions (SSL &IPSec) and site to site VPNs
• Work with project managers for timely delivery of projects
• Network Audit for customers, design network upgrades, produce detailed HLD/LLD and implementation
• MPLS core upgrades, designed and implemented new MPLS PoP
• Design and Implement MPLS QOS model – MPS EXP / DSCP based
• Design and Implement multi-site & multi-vendor customer LAN and WAN solutions.
• Provide day to day Level 3 support for Data/Voice and Security
• Configure High Availability for Firewalls, FWSM

• Design and Implementation projects and Level 3 Support
• Projects involving configuration of MPLS network ( Layer2/3 , VPLS), Security devices (Cisco, Juniper, Checkpoint Firewalls), Local Traffic Manager (LTM) & Global Traffic Managers (GTMs)
• 3rd line support for internal core network and external customers
Configuration, upgrade, troubleshoot Cisco routers (ISR 28xx, 3945, 7200vxr, ASR1001, ASR9K, CRS), Cisco Switches (Layer 2 + 3 e.g, 3750, 3560, 4500, 6500 series), Nexus 2K, 5K, 7K
• Security Devices - Cisco ASA's, Cisco Pix, Juniper Netscreen
• Layer 2 & Layer 3 QOS & Security implementation
• Juniper MX series routers, SRX Gateways configurations
• Layer 2/3 VPN design & configurations, VPLS
• Develop standard configuration scripts for Provisioning teams to configure devices (routers/switches/firewalls)
• Design and Implement network wide modular QOS model
• Design and Implement Device's security including CoPP throughout network

• End to End QoS implementation using DSCP/IPP/MPLS EXP; Switching QOS using COS bits in Dot1Q Header
• PE configurations for NNIs to other partner (ISPs) based on RFC4364 Type A and Type B
• PE Configurations towards CE with OSPF, EIGRP, BGP, STATIC as routing protocols, Prefix Filtering and Traffic Management, Backup configurations & testing
• IPv6 implementation in core network
• Multicasting PIM Sparse Mode, Auto RP, PIM BSR, Multicast Tunneling, IGMPv2, MSDP
• Design and implement MPLS VPNs, AToM, VPLS
• MPLS Traffic Engineering, MP-BGP Configurations
• Tunnels configurations, NAT, DHCP for CE
• Dot1Q Tunnelling, L2PT Configurations (P2P, CDP, STP) for Extended LANs
• SNMPv2 & SNMPv3
• Level 3 support, escalation for customer network related issues

• Part of WAN Technology team work on design and upgrade of network and provide level 3 troubleshooting support.
• EIGRP and BGP as core network protocols, Prefix Filtering and traffic engineer with BGP & EIGRP, PBR configurations, Backup configurations & testing
• Troubleshoot day to day networking issues passed on from Network Operations team
• Suggest Network Upgrades for end of life equipment like End of Life routers, switches or router/switch modules.
• Configure upgrades to the network – Network a mix of low to high switches like 3550, 3560, 4500, 6500 and routers 28xx, 7200 & GSRs
• CatOS to IOS upgrades – from SUP1/2 to SUP720, configurations & hardware upgrade and
• End to End QOS implementation for VC & VoIP
• PVST+ load sharing and Port Channels configurations

• Work on different medium to large Cisco routers (ISRs & GSRs) and switches (4500, 6500), Load Balancers, Cisco Firewalls (ASA)
• Second line Network Support engineer
• Monitor Ticketing system to ensure proper information is fed in and acted upon but Level 1 engineers
• Train Level 1 engineers on different technologies
• Monitor SYSLOGs and SNMP alerts using Spectrum monitoring system and troubleshoot accordingly
• Raise change requests in ITILv3 environment

• Installations, commission, upgrades of customer networks in consultation with the Network Engineering team.
• Providing 2nd Line support for the commercial customers of the ntl:Telewest
• Working on variety of Cisco Equipment including Cisco Routers, Switches and Pix.
• Ensure all faults are covered within contract response times.
• Conduct routine maintenance on control and hilltop equipment.
• To assist with the design of standard procedures and documentation when required.
• To support new technologies when brought into service.
• To support new contracts and advise/assist with implementing them.
• Ensure that equipment is repaired & maintained to original manufacturer’s specification.
• Maintain a quality customer service.
• Project I was involved include integrating wireless secured access into current Local Area Network of the Customer.