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AREAS OF EXPERTISEAWS VPC,Route Street Address ,EC2 (Linux, Windows), SG, S3, EIP, ELB, EBS, IAM, AMIs, Monitoring, Autoscaling.AZURE VPC,Resource groups, VMs (Linux, Windows), Azure Disks storage, snapshots, NSG.Server Infra (HP, Dell, Huawai, IBM and H3C) (VMware Hyper-V Sangfor HCI, vSAN /SAN) VeeamWindows Server Street Address , 12, 16,19, 2022 (Active Directory, SSO, Security GPOs, DHCP, IIS,SSL,SQL, DNS, DFS, FSRM, WDS, NTP, RDP, WSUS, NTFS Security, Admin Center) Exchange Feature Upgrade and Patches Windows 7, 8.1, 10,11Endpoint Security with ATD, WEB, DLP (Trillix, Kaspersky, Symantec) OStreet Address  Skype for Business /TeamsLinux Administration CentOS, RHEL, Ubuntu, SUSE, PXE (Syslinux & Grub) SMTP (Postfix, Sendmail) Zimbra Squid Proxy Bind Dhcpd, NFS OpenVPN, Samba Clonazilla, Gparted SSH keys VNC, Xmanager, HA Proxy Pfsense, Apache, NGINX My SQL/MariaDB GitLab NodeJS IPtables, ufw Openfire XMPP ZIMBRA OpenSSL SSL Certificates Pfsense Nmap LVMs MDM PKITCP/IP Networking WAN, VLAN, WLAN, Routing, Natting & Switching, Ubiquity/Unify Managed Wi-Fi.Firewall (PBR, DHCP Relay, Bandwidth, URL filter, Failover, Load balancer, VPN)NMS Wireshark, SolarWinds, Zabbix,Telepresence solutions H.323/SIP (Polycom, Cisco, Lifesize, Zoom, Teams) integrated with cloud services.PROFESSIONAL EXPERIENCESystem Administrator - National Information Technology Board, (NITB) Nov 2020  Feb 2024Successful migration of VMware cluster to Sangfor HCI clusters along with of all legacy VMs and overlay network.Worked on HCI, VMware, H3C infrastructure clusters, VSAN, cloud management and Application load balancer.Oversaw VMs servers, cloning, migrations, export/import snapshots and all other operations include Layover Network (Virtual routing, switching, distributer firewall, VLAN Tagging, Load balancing and high availability).Deployment of NMS Solution and performed Update patches and feature upgrades for complete HCI solution.Handled Active directory, setting up users and computers, security policies, GPOs and secured file server FSRM.Managed the productions live apps, patch management, OS migrations, renewal of SSL and PKI authtication.Supervised services DHCP relaying WSUS, WDS, Web IIS and DNS servers under High availability.Configured and managed Linux servers NGINX, Apache, MySQL/MariaDB, Gitlab, Node.js, Nextcloud, Cpanels.Managed the Endpoint Advanced Threat Defense to protect end-user devices with drive encryption and DLP.Configured the storage pools, blocks, LUNs, and iSCSI protocol target services in SAN.Synced Active Directory with SAN to authenticate users for shared resources on CIFS, NFS, and FTP protocols.Managed the jump servers for the development team to ensure indirect access to the entire infrastructure.Provided staging and UAT platforms for software development under agile practices with all essentials tools.Closely worked with development team and fixed their development matters within Linux and Windows platforms.Provided solutions to incoming quires via the phone / e-mail promptly and effectively.AWS Cloud Administrator - Arthur Lawrence (Remote USA Client) Jan 2023 - Oct 2023Created and managed AWS VPCs, subnets, gateways, and network configurations for over 20 web applications for USA based Client (upbrainery.com, monly.com), ensuring high availability, security, and scalability.Deployed and configured various AWS services and resources, such as EC2, S3, Lambda, and Elastic IPs, to meet project needs and optimize performance.Installed and managed staging and UAT environments on multiple EC2 instances, using Apache2, NGINX, Nodejs, MySQL, GitLab, and other development tools, and created custom SSH keys for secure access.Implemented ELB with target groups and SSL for web applications, using AMIs of critical EC2 as backups and clones.Implemented security best practices and secured AWS resources through IAM, security keys, security groups, and network ACLs.Asst Manager System - PepsiCo, Inc Jan 2017 - Oct 2020Configured failovers, URL filtering, bandwidth control, and remote access VPN in NGFW Fortinet.Monitored the performance, hardening of devices, firmware and patches, and planned for emergency tasks.Installed, configured, and maintained servers, routers, switches, media, and other network appliances.Designed and implemented VLAN segmentation and inter-VLAN routing, using DHCP relaying for IP assignment.Deployed and managed centralized Ubiquiti Wi-Fi network with multi-SSID modes on both 2.4 and 5 GHz bands.Deployed and managed VMware vSphere 7, VCSA infra under HA, DRS, FT, and Veeam backup and replication.Successfully completed the project of upgrading and migrating all vSphere 6.5 hosts to vSphere 7.Deployed and scheduled Veeam Backup & Replication for all VMs/physical servers.Configured and managed Windows and Linux servers along with upgrade patches and maintenance.Provided technical support to all levels, troubleshooting hardware and software issues.Managed CPANEL cloud services, including domain registration/renewal, users, quota, group, and filter moderation.Successfully completed the migration project of Active Directory instances from MS server 2012 to MS server 2016.Arranged meetings on Telepresence conferencing with cloud channels Skype, Teams, and Zoom Cloud.Network & System Administrator - PepsiCo, Inc Mar 2009 - Dec 2016Deployed and configured routers as edge Firewall, balanced traffic, and implemented failover WAN policies.Segregated traffic to VLANs subnets with inter-VLAN routing.Established point-to-point wireless backup uplinks across the network.Configured and managed VPN server for remote user connectivity.Completed migration projects for Active Directory MS Server from 2003 to 2012 R2.Managed Active Directory integrated services and secure FSRM server 2012 R2 for end-user drives.Customized WDS SYSLINUX & GRUB PXE Server, providing various IT tools. (cloning, Thin clients, Data Recovery, Testing, Diagnosing, Maintenance and Backups)Completed migration project from ISA 2004, ISA 2006 to Linux Squid proxy server.Managed Antivirus endpoint security (Kaspersky cloud solution) and provided remote technical support.Managed O365 Cloud Application & and integrated Active Directory with Linux XMPP messsaging server.Configured Linux Postfix Dovecot mail Server with webmail front-end.Network Administrator - National University of Computer and Emerging Sciences May 2007  Aug 2008Managed Active Directory objects, Home Drives with backups, and base services like DNS, DHCP, IIS,Oversaw ISA Server 2006 for internet sharing across all client computers and SQL server with VSS backups.Installed Windows 2000, XP, 7 and office applications, along with Antivirus securities and common applicationsTroubleshot Network/System and client devices such as Scanners, Modems, Printers, and projectors.Deployed Ethernet Cables as needed, refreshed ADSL routers, and configured Wi-Fi.Managed VNC for Remote Support, and performed Backup/Restore operations using Symantec Ghost.IT Assistant  D.K Engineering Pvt. Ltd May 2006  April 2007Set up a 30-computer network with windows XP and installed windows, shared printers, scanners, office software.Resolved network, hardware/software, and internet fax problems.Conducted market survey and handled procurement for IT equipment.Shared the internet over the network and updated web applications.Mohsin S Chohan: PHONE NUMBER AVAILABLE : EMAIL AVAILABLE : Fairfax, VAHighly skilled and experienced IT professional with a strong background in managing systems, networks, and cloud services. Proficient in Windows and Linux administration on virtual platforms and AWS cloud services. Adept at ensuring smooth IT operations, providing technical assistance, optimizing security, and identifying problems.Professional Trainings1: VCP6-DCV:-(VMware), 2: MCSE: (Server 2012,2016), 3: CCNA:(Networking), 4: Cloud: AWS Essentials,Professional Certificatons1:- STC Sangfor Certified Technical Professional  HCI (ID SP201030).2:- NSE 1 Network Security Associate (ID Pup5LWIOt). https://training.fortinet.com/mod/customcert/verify_certificate.php?contextid=251439&code=iPup5LWIOt&qrcode=13:- NSE 2 Network Security Associate (ID NIMgAMPI29).https://training.fortinet.com/mod/customcert/verify_certificate.php?contextid=251440&code=NIMgAMPl29&qrcode=14:- CNSS Certified Network Security Specialist (ID 18574265).https://www.credential.net/8a583997-c154-4f8e-af52-884c1e648e3c#gs.55leioACEDEMICBachelor of Science Computer Science (BSCS), Major in Computer Engineering (AIOU, 2001-2005)