Senior Network TDA
Capita
مجموع سنوات الخبرة :16 years, 2 أشهر
● Interact with clients, understand their requirements and accordingly provide solutions to overcome the challenges.
● Deliver HLD & LLD design documentation for various projects.
● Working across multiple vendor ASR9Ks & ASR920’s routers, SRX, Palo Alto 5250, and more.
● Building configurations for the end-to-end delivery of services, ranging from LAN/Campus to WAN/MPLS core.
● Aiding Operations in troubleshooting complex issues.
● Render technical governance to the Network team; provide inputs to technical designs provided by other teams.
● Operate in a technical advisory capacity on projects where requested to provide advice and guidance on a proposed solution or assistance towards a resolution where issues have occurred.
● Worked on the building and pre-staging of a new ACI fabric, using postman to automate the creation of elements such as BD’s and EPG’s.
● Act an a design approver on Capita’s Design Review Board.
● Act as a SME and mentor to junior Network Engineering staff.
● Ensure that assigned projects are executed and completed within agreed time, quality, scope and costs parameters.
● Management and implementation of Nokia 7750, Ericsson SSR and Huawei based network solutions.
● Supporting MPLS cores for 2G, 3G and 4G networks covering the entire eastern region of Libya.
● Manage supporting activities such as bringing up VPRNs (L3VPN’s over an MPLS Nokia core), L2 VPLS and Epipe tunnel provisioning to establish site access for RAN network devices.
● Managing the internet gateway devices for users LTE traffic via Juniper SRX and MX routers.
● Operate in a technical advisory capacity on projects where requested to provide advice and guidance on a proposed solution or assistance towards a resolution where issues have occurred.
Highlight:
• Led the initiative to automate the process of creating design documents - developed a spreadsheet which would auto-populate the HLD/LLD documents and generate the CPE/Distribution device configuration while reducing the production time from 3-4 days to 1-2 days.
Responsibilities:
• Manage architecture, design and implementation of Cisco based network solutions while providing consulting to clients.
• Interact with clients, understand their requirements and accordingly provide solutions to overcome the challenges.
• Deliver HLD & LLD design documentation for a large LAN upgrade and refresh project of over 1000+ sites using technologies like 4500-X switches, ASR9Ks & ASR920’s routers, ISR4K and 897VA Branch routers, and Palo Alto 5250.
• Make decisions on suitable hardware per site and incorporate the same into the design.
• Manage supporting activities like bringing up L3VPN’s over an MPLS Core, CE/PE provisioning to establish site access to DC, ensuring correct path selection via BGP attributes.
• Build site switches and CPE configurations files and redistribute IGP protocols into the MP-BGP Core; deploy VRF Lite solution across campus’s network to segregate networks.
• Render technical governance to the Network team; provide inputs to technical designs provided by other teams.
• Operate in a technical advisory capacity on projects where requested to provide advice and guidance on a proposed solution or assistance towards a resolution where issues have occurred.
• Act as a SME and mentor to junior Network Engineering staff. Drive the production and enforcement of network standards and guidelines.
• Ensure that assigned projects are executed and completed within agreed time, quality, scope and costs parameters.
Highlight:
• Analyzed and identified the reason behind slow transfer speeds between the hub and spoke sites over a DMVPN solution even while using Cisco WAAS devices - the size of packets; investigated and enabled a feature on Cisco WAAS devices which reduced the packet sizes and prevented the routers from having to fragment the packets, thereby increasing the transfer rates and ensuring customer satisfaction with the new transfer speeds.
Responsibilities:
• Rendered technical support across multiple Data Centers while working on secure government network accounts such as the Home Office, Department of Working Pensions and others.
• Worked on various network technologies like general switching technologies (STP, VLAN), general routing technologies (DMVPN, BGP, EIGRP, OSPF), Cisco security devices (FWSM and ASA), Juniper security (SRX and SAs), checkpoint firewalls and F5 Load Balancers Operations
• Provided network technical input into business office proposals ensuring that the solution satisfies the client’s requirements and follows Atos standards.
• Led technical investigations during major incident and ensured prompt resolution of escalated incidents in line with customer SLA targets and technical best practices.
• Managed changes in line with customer SLA targets, group standards and best practices; consistently ensured compliance with customer/group change management process.
• Prepared customer/team documents and updated/maintained according to customer/group process.
Responsibilities:
• Monitored all WAN and LAN activities to ensure maximum uptime for users; designed and implemented new network solutions and/or improved the efficiency of current networks.
• Diagnosed and fixed network/system faults, oversaw security of all systems.
• Managed the network and network devices (patching, configuration management, monitoring etc.), managed all firewalls and network security devices to ensure ongoing compliance with security requirements.
• Created and maintained infrastructure necessary for the growth and the upkeep of network operations; identified and corrected mission critical infrastructure problems at optimal costs and in a timely manner.
• Monitored network performance to determine if adjustments need to be made; designed and implemented new network solutions and/or improve the efficiency of current networks.
• Managed an IL3 official sensitive Data Centre network.
• Worked on Cisco Routers & Switches, Juniper SRX and Cisco ASA firewalls, Data Centre security devices, SolarWinds NCM, IPAM along with multiple other SolarWinds suite of tools and Cisco ACS TACACS+ server administration.
• Provided technical solutions to improve business efficiency, quality or process while maximizing functionality.
Responsibilities:
• Configured, tested and maintained customer’s LAN/WAN and WLAN equipment and related services for ensuring maximum uptime for users.
• Configured Extreme Networks, HP, Cisco and Aruba hardware and software as well as configured Extreme Networks Black Diamond BDX8, Summit X670, X480, X460.
• Configured, supported and monitored customer’s data centre; identified, diagnosed and resolved network problems as well as updated customers and team members on fault resolution within internal and external SLA’s.
• Maintained and supported company’s LAN/WAN and WLAN environment with the responsibility of daily maintenance and problem resolution, operating system patches and software upgrades, and routine hardware configuration.
• Maximized network performance by monitoring performance, troubleshooting network problems and outages, scheduling upgrades and collaborating with network architects on network optimization.
• Configured firewalls, routing and switching to maximize network efficiency and security
• Worked alongside the pre-sales engineer and deployed LLD solutions provided; provided post-sales technical support.
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