Muhammad Umair Riaz

•Strong experience with implementation, design, operations and troubleshooting of cisco router, switches, wireless controller, Palo alto firewall, wildfire, cisco ISE and SIEM solution, private, public and hybrid cloud infrastructure operations.
•Strong experience with implementation and troubleshooting of Active directory services, Windows server, Hyper-V, Exchange server, System center, DNS, DHCP, Application integration, XenApp and Xen Desktop.
•Working experience with the implementation of information security system standard ISO27001.
•Technical experience with data center migration, redesign, infrastructure upgrade and restructuring.
•Lead a team of several engineers such as network administrator, system administrator, wireless engineer, voice engineer, helpdesk, application support and network security engineer.
•Ability to perform infrastructure discovery and assessments and provide technical solutions.
•Working experience with the implementation of IT service management standard.
•Performing analysis of network security needs and contributes to design, integration, and installation of hardware and software.
•Analyzing, troubleshooting and correcting network problems remotely and on-site.
•Maintaining and administering perimeter security systems such as firewalls, content filtering and intrusion detection systems.
•Review IT networks according to client requirements to determine and rate overall effectiveness and efficiency.
•Communicate effectively with clients, suppliers, and industry professionals to maintain complete and current working knowledge.
•Analyzed networks and systems to determine areas for improvement in workflow and developed customized solutions.
•Modified existing networks to incorporate new capabilities that met customer requirements.
•Developed updated system procedures as needed to address changing operational requirements and documented changes and test procedures to keep system information accurate.
•Created complete network architecture from scratch to support initial stand-up of new office branch, including working directly with clients to verify operational requirements and budget.
•Identified causes of network problems through research and analysis, and developed and deployed effective solutions quickly.
•Configured network security settings and user permissions according to customer requirements and security protocols.
•Provided support for clients and end users by responding to phone and email requests for service.
•Explained troubleshooting procedures in a clear and understandable manner to help users fix minor to moderate IT issues.

•Design and implement short- and long-term strategic plans to ensure infrastructure capacity meets existing and future requirements.
•Tier II support of a global WAN & LAN network infrastructure supporting thousands of users.
•Deploying, supporting, managing and enhancing existing systems working with systems engineers and engineering in the following technologies - Windows Servers, SCOM, SAN, Networking and Data Center infrastructure technologies, Hyper-V and VMM.
•Strong Experience in configuration and implementation of Data Center Hardware, Cisco UCS, Storage Networking, iSCSI, FC networking, Data center virtualizations and application networking services.
•Strong virtualization concepts such as distributed switches, virtualized storage, snapshots, vMotion.
•Strong experience with Cisco implementations of LAN/WAN, VPN, secure wireless and cloud computing.
•Troubleshoot complex network issues including BGP, OSPF, MPLS, MPLS L3VPN’s, IPSEC VPN’s, and multicast.
•Configuration and maintenance of various network devices including Cisco routers and switches, gateways, and firewall.
•Strong experience in the configuration of Firewall, Intrusion Detection & Prevention, IDS, IPS, , Cisco UCS, Aruba, Network, Tipping Point, Infrastructure, Hosted Applications, Cisco, Internet Service Provider, VPN, ACL.
•Proactively monitor and manage network, storage, security and system capacity and plan for the future in terms of capacity planning, performance enhancements, storage optimization and operational efficiencies.
•Continuously review and recommend infrastructure solutions that improve scalability, availability, performance, and redundancy in a cost efficient manner.
•Drives improvement in processes, manageability, availability and cost efficiency with a strong ability to anticipate future demands, growth and competitive trends.
•Drive new technology solutions with evaluation, design, development, integration, and certification and taking
Part in design and buy versus build decisions.
•Strong skills in documenting processes, procedures, and tools descriptions.
Diagnose and correlate complex network situations and problems, identify root causes and develop automated remediation strategies.
•Excellent knowledge of load balancing, Routing and Switching protocols and principles with extensive experience with Cisco and Juniper products
•Expert level experience of Network and Packet analysis and capture methods and technologies.

•Identify and recommend solutions appropriate to customers’ needs and responsible for ensuring feasibility of solutions offered through detailed diagnosis of customer requirements.
•Develops project plans and estimates for time frames, quality, and resources required for successful implementation. Provide L2/3 technical support to Network system including troubleshooting complex IP Network, and coordinating maintenance with vendors.
•Strong experience in configuring CISCO based routing e.g. RIP, EIGRP, IGRP, ISIS, OSPF, BGP, MPLS (RSVP, LDP), Traffic Engineering, IP Multicast (MBGP, PIM, MSDP), route redistribution etc. and switching e.g. VLAN implementation, STP, VTP, MSTP, WLAN, Multi layer switching, HSRP, VRRP, GLBP, Access lists, L3 Switching & ether channel.
•Strong experience in configuration and implementation of all IT Security Systems, Firewall (PIX 500 series, ASA 5500 series, Barracuda 200/300), VPNs/IPS/CSM/ACS/RADIUS, MPLS based L2VPN, IPSEC VPNs, and Anti spam & content Filtering Firewall filters.
•Deploy Win Server 2003/2008, Active Directory Services on Windows 2003/2008 servers, GPO designing, objects creation and elevation, OU designing, DNS, DHCP, DHCP Relay IIS, FTP, RRAS, DFS, File and Printer sharing, Primary/Secondary and Child DC promotion, DC disaster recovery.
•Design and implement Microsoft, Citrix and VMware solutions, with focus on Virtualization using VMware ESX, VMware vSphere, Hyper-V and Citrix products (XenApp, XenDesktop, XenServer, Access Gateway, etc.) in medium to large companies in Pakistan.
•Deploy and administrate Cisco Catalyst L2/L3 2900, 3500 & 3700 series switches, Linksys 224G4 switches, D-link, TP-link, Nortel & HP switches, Cisco 2800/1800/3700 series router, Cisco 1200 series & Linksys Access points.
•Messaging : MS Exchange 2003, 2007, 2010, Exchange DAG, OA, VPOP3 mail gateway, SMTP, POP3, MAPI, IMAP4, OWA, IBM Domino Lotus 7.5, Security: Microsoft ISA 2004, 2006, Web Proxy, Filtering, TMG 2010.

•Log incoming calls and e-mails support requests into call-tracking database (HP Open view Service Center) for 1st level and escalate trouble tickets to specialized staff for 2nd level support if required
•Responsible for designing scalable, secure and efficient IP network for Mobilink GSM customers and employees.
•Administrate Cisco Catalyst 2950, 3550 & 3560 switches, Cisco 1800/2900/3900 series router, Linksys wireless router, MS ISA Server 2004, MS Exchange Server 2003/2010.
•Responsible for implementation and deployment of all new router and switches, failover solutions between critical sites, troubleshooting of existing routing and switching domain, IGP and eBGP proper routing policies.
•Manages network operations to include: troubleshooting connectivity problems; installing & maintaining routers; adding/terminating users; assigning rights and access; resetting passwords; establishing e-mail addresses; assessing and reporting operational status; performing backups and restores etc. Performs routine preventive maintenance on hardware and software.
•Responsible for supporting network including troubleshooting, and coordinating maintenance with vendors. Applying operating system updates and configuration changes.
•In medium/large sized LAN/WAN design/configuration & implementation with CISCO equipments, Windows 2003/2008 server administration with Active directory, MS ISA Server, MS Exchange server administration.
•Provide accurate and complete description of problems, inquiries and requests in a problem management ticket.
• Develops and maintains technology policies, standards and procedures manual; develops and maintains related technology checklists.
•Install all new hardware, systems, and software for networks. Install, configure and maintain network services, equipment and devices, including windows.

• Professional experience in designing cable and wireless networks, network cabling such as STP, UTP, coaxial etc, installation and configuration of LAN, WAN and wireless networks with active components such as hub, bridge, routers, switches, modems, repeaters etc. break / fix engineering.
• Monitoring CISCO based routing e.g. RIP, EIGRP, IGRP, OSPF, BGP, route redistribution etc and switching e.g. VLAN implementation, STP, VTP, Access lists, L3 Switching,
• Worked on NMS (Dxx system) i.e. New Bridge (Alcatel), Loop system And Tellab and worked on OFS Transmission System i.e. SDH (Huawei and ZTE) and DWDM (Hauwei and ZTE) and allied NMS.
• Worked on Optical Fiber test Equipment i.e. OTDR, Power meter, Light Source, and Cable Locator and also OFC jointing and splicing.