Muhammad Ehsan

Experience

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  Pakistan Council of Scientific and Industrial Research- Karachi Laboratories Complex

  Aug 2008 - May 2011

  Network Engineer

  • Deployment of servers, switches, routers & other hardware with complete project management and its resource planning.• Installation & Management of DC, ADC, DNS, DHCP, RRAS, ISA 2004, WSUS, WDS, TS, TR, Hyper V, VOIP Server, PRTG, Exchange 2007 on Server 2003 & 2008 for PCSIR Head Office with RAID on Servers with NAS for data drives and configuration of CISCO switches 2950, 3560 for VLAN, Inter- VLAN routing, STP and website management.• Implementing Exchange Server 2007 with DMZ zone on PIX firewall 501 and VPN with branches.• Video Conference CCTV (Tandberg) implementation and its configuration to all centers.• Image based installation of all Servers and PCs with their application software and drives of peripheral devices like printers, scanners, APs, VOIP setup and wireless Setup.• Configured HP, Dell, Lenovo, Acer, IBM, and Cisco for servers, routers, and switches as hardware, with Microsoft server 2003, 2008, Linux, XP, 7, VISTA as software. Show less

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  Ciscom

  Dec 2010 - Dec 2013

  System / Network Engineer

  • Involved in deployment of different IT projects i.e. VLAN, spanning tree, RIP, OSPF, EIGRP, MPLS, BGP, Access lists on different CISCO routers, switches with all Microsoft servers of 2003, 2008. • Training IT staff of different organizations with certifications & Lab practical of CISCO, Microsoft and Security Awareness Trainings.• Different configuration and deployments on different IT projects sights include design, choosing hardware within financial limits and implementation with training to staff.• .Handling different IT services with different projects deployments for IT network infrastructure with CISCO, Microsoft and Linux.• Documentation of all projects with different clients and design of IT network Infrastructure topology to deploy within given time with IT team Show less

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  Synergy-IT Pakistan

  Oct 2013 - May 2015

  System / Network Engineer

  • Managing server room with DC, ADC, DNS, WEB, Hyper-V, office 365, SQL 2012, SharePoint 2014, TFS on server 2008, 2012, UPS and few servers internationally in Denmark for this Multinational software house.• Maintaining Operating Systems and multiple versions of Citrix XenApp/XenDesktop (Virtual Apps and Desktops) with multiple Citrix sites across multiple physical locations• Manage multiple clusters of NetScaler MPX/SDX/VPX ADC devices across multiple sites and update NetScaler firmware on high availability clusters.• Deploy new NetScaler devices as needed and its HA paring, load balancing and authentication. • Design of over-all network infrastructure of servers, switches, firewall with VPN connection to different location of the world and providing defense in depth security for overall company infrastructures. • Monitoring of NMS system for local network, VPN on cisco ASA and service provider internet links.• VLANs tagging in wireless access points under redundancy links of HSRP with two ASA 5510 / DMZ are managed by CISCO ASDM and active / backup VPNs to different locations of the world.• Cisco Video Conference, VLAN active links for internet with voice, video and data.• Virtualization on Hyper-V, Forefront products, LAN / WAN technologies, Routing & Switching, NAT backup & Restore, cisco switching 3550, 2950 with HSRP and ASA 5510 Firewalls. Show less

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  CNOOC International

  Jun 2015 - May 2019

  Network Engineer

  • Leading technical areas of incidence, problem, change, release management within Network, Security, monitoring, Servers, with Risk calculations / mitigation and Citrix servers with Netscaler for overall infrastructure of the branches. • Risk mitigation / calculation & pen-testing using different tools, Vulnerability scan by Nessus for network devices, servers with Microsoft Baseline Security Analyzer with attacks before and after patch.• Servers Tasks: Maintaining servers like DC, ADC, DNS, DHCP, Avaya, WBS-Backup Server, Exchange 2010, Barracuda, WSUS, Hyper-V, IIS, Data Servers, IT Asset, Maximo Warehouse system and application servers on Microsoft severs 2012, 2016 with Vmware VSphere. Configuration of disaster recovery on cloud and handling few XenDesktop and Xenapp for users remotely in Canada branch.• Providing high-level support and technical expertise in virtual desktop technology.• Troubleshoot Applications, create and trouble Citrix sessions• Infrastructural Components in Citrix Database, StoreFront, Licensing, Provisioning Server, VMware, 2FA, Active Directory and Studio in a medium / large company, consisting of a multiple domain environment.• Working with Canada branch constantly updating and upgrading 50+ applications in the environment on multiple master targets. Deploying to test groups, verify then deploy on maintenance windows.• Setup, configure, patch/update, upgrade, troubleshoot and maintain Citrix environment and HA paired NetScaler as well as Global Server Load Balancing(GSLB). Show less

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  Corvit Systems Islamabad

  Jun 2019 - Apr 2021

  Senior Operations Manager IT

  • PRO-NET Islamabad: as IT Team Lead full time for the project of Cisco DATA Center. • Leading a team of 20 experts for projects deployment that includes project proposal, design presentation, hardware management with technical documents.• Design of access, distribute, core, firewalls, routers, and datacenter services, that include Cisco Nexus C9200L, C2960, C93180, 9504 switches, 2130 firewalls, FMC 1600, Edge Routers 4431.• Network Configuration that include 88 VLANs, trunk links, SVI, vPC, MSTP, HSRP, ACL, OSPF, Policy Based Routing, VPN to Intranet, network security, QoS, BGP and better network load-balancing with high availability.• Services include computer and storage that includes Cisco UCS Chassis 5108 Servers, Dell EMC Unity 480, Vplex VS6, SAN Switch DS-6610, EMC ML3 Tape Library, WLC 9800-L, Cisco DNA and ISE.• Servers are designed on VMware VSphere Esxi 7.0 that includes, handling RAID, V-Center, V-Motion, Data Stores, V-Switch and installation of Microsoft server 2016 with Active Directory, DNS, DHCP, NTP and application servers.• Integration of Cisco DNA center with all switches, WLC, APs with design, policy & provision, ISE as AAA with Active Directory using LDAP, Cisco FMC with LAN, WAN, DMZ, intranet Rules for Firewalls and Cisco VoIP with CUCM BE 6000M, IP Phone 7811, MX800 as a Voice / Video integrated Systems and providing technical trainings to internal staff includes networks, system and security awareness.• I have designed and configured all the above Datacenter Environment in its virtual lab for network layers, computer servers, integration and now in the phase of physical deployment at client side. Corvit System Internal Network:• Configuration and handling of VMware vSphere ESXi (6.0,7.0) platform for Microsoft server 2012, 2016 Active Directory domain users, DNS, DHCP, RODC, ADC, WDS, WBS restore, printing, ADFS, sites & services and application servers patching, With Azure VMs, NSG, Storage with active directory B2B users. Show less

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  TAQA Group

  Apr 2021 - May 2022

  Senior Telecom Engineer / Solution Expert

  • Leading 5-teams with providing technical support for the different locations that include areas like Networks, CCTV, CUCM 12.5, Security/patching, endpoints, PAGA, redundancy, firewalls, routing, application servers with virtualization, storage, Telcom CPE sectors, ICS Network, SCADA, monitoring, Operational tasks troubleshooting, Storage with backups plans, APC-UPS, Azure and over all network infrastructure improvements with design to deploy new projects to fulfill the business needs.• Meetings and discussions with other departments for deployment of new technology within IT domain in upcoming projects for better recommend, cost effective solution, decision making, Optimizable with the passage of time and product reliability with security according to all aspects of the organization.• Pro-active planning for operational requirements with organizational procedures for upcoming events like moving of RIG-Drilling teams, CPF shutdown, workover, and providing best IT support when needed.• Working with Sub-contractors’ teams and providing them a best IT support until there work completion.• Working with other IT experts in TAQA Global network on different locations for better meetup the requirements of the business and integration of devices worldwide.• Providing training to all departments & IT Teams that include security awareness, endpoint protection, networks, systems, telecom, CCTV, and applications needed for better upgradation of skill set to upcoming projects. It also enhances overall security parameters of the company by educating staff.• Involved in new upcoming project meetings with venders that include the design, planning, vendor hardware / software supply, research, IT finance management, handling procurement process, installation, other departments support and to complete within the timelines.• Keeping eye of release management upgrades plans with timing to implement for overall hardware includes switches, firewalls, ISE 2.7, WLC, Microsoft. Show less