Experience

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  Peaktime trading llc

  Jan 2007 - Jun 2009

  Network engineer

  Job responsibilities:• Respond to incident tickets via Remedy Ticketing system.• Troubleshoot various routing and switching incidents across the city.• Configure various Cisco routers and switches for new installations or replacement.• Design, test and implement various routing protocol configurations.• Troubleshoot issues with customer via phone, email and on-site.• Troubleshoot VoIP issues for our customers.• Design, upgrade, configure and install various wireless and Ethernet solutions for fiber as well as cable coax customers, hospitalizes and public areas.Job responsibilities in Dubai:• Implemented Site-to-Site VPNs between ASA Firewall and Routers.• Migration of existing IPSEC VPN tunnels from pre-Shared key to Certificate Authority for purpose of scaling.• Implemented Site-to-Site VPNs over the internet utilizing 3DES, AES/AES-256 with Meraki Firewalls.• Replace branch hardware with new 2851 routers and 2960 switches.• Conversions to BGP WAN routing. Which will be to convert WAN routing from OSPF to BGP (OSPF is used for local routing only) which involves new wan links.• Convert Branch WAN links from TDM circuits to MPLS and convert encryption from IPSec/GRE to GetVPN.• Secured network access with Cisco Secure (RADIUS/ TACACS+)• Performed basic security audit of perimeter routers, identifying missing ACLs, writing and applying ACLs• Responsible for layer 2 securities which were implemented using a dedicated VLAN ID for all trunk ports, setting the user ports to non-trunking, deployed port security, when possible, for user ports• Enabled STP attack mitigation (BPDU Guard, Root Guard), using MD5 authentication for VTP, disabling all unused ports and putting them in unused VLAN and ensuring DHCP attack prevention where needed.• Enabled continuous Layer 2 monitoring with Solar Winds, so that each site can run independently until connectivity is restored• Configured, installed, & managed DHCP, DNS, & WINS servers Show less

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  Aim solutions (private) limites

  Aug 2009 - Apr 2019

  Senior system engineer

  Job responsibilities:• Extensive experience with implementation, configuration, administration, and support of SAN, and NAS storage solutions. Expertise with multiple network protocols and network management tools. (Wired and Wireless) Proven skills utilizing Microsoft Products. (System Center - SCOM, SCCM, SCVMM, Exchange, SQL, SharePoint, ISA, Proxy, IIS Web Servers)• Assisted in Upgrading vCenter and all hosts across all sites to vSphere 6.0/6.5• Joined to respective AD Domain based on geographical location and prepped the servers.• Assisted in Upgrading vCenter and all hosts across all sites to vSphere 6.0/6.5• Installed VMware tools to increase the mouse performance etc.• Physical to Virtual (P2V) and Virtual to Virtual (V2V) migrations.• Manage Domains DNS, Nameserver and Hosting (CNAME, A records)• Assist with tech refresh and a physical server for the virtualization project.• Building, creating templates, cloning and deploying virtual machines.• Created Datacenter Documentation to cover the Windows andVMware. vCenter Installation, ESXi installation and upgrade from 5.x. to 6.0.• Worked closely with Storage and Network teams to ensure the highest level of dependability across VMware infrastructure.• Microsoft Exchange Server 2016 Administration and maintenance.• Microsoft SQL Server installation, and management.• SVN sub versioning Server management and configuration for Company Data protection.• Configure and Manage Centro OS gateway servers for Proxy and WAN Traffic management. Show less

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  Binary systems pvt ltd

  May 2019 - Nov 2021

  Senior system engineer

  Job responsibilities:• Manage Microsoft Azure Cloud, maintenance Azure Active Directory, User Accounts and VMs, Web Servers, and Load Balancers.• Configure site-to-site VPNs using Azure Virtual Network Gateway between vNet to vNet and on-Prem Firewalls/SD-WAN to Azure Cloud.• Manage Office 365 Accounts, Allocations Licenses and Online Exchange.• Exchange Server Migrations from On-Prem to O365. G-Suite to O365.• Deploy AWS CloudFormation auto-scale web application Servers and API Servers with Load Balancer.• Troubleshoot Citrix XenApp customer issues. Performance monitored and tuned Citrix Servers. Handled Citrix-related service calls and incidents. Managed customer-related and maintenance changes, and problem tickets.• Installed hotfixes on Citrix servers. Redeployed Citrix servers in case of any failures. Created work instructions related to Citrix. Installed and updated the applications on Citrix server through proper customer changes.• Installed, updated, and configured Citrix applications. Implemented and manage Citrix XenApp XenDesktop 7.x Created User profiles using Citrix Streaming Profiler. Created Citrix policies requirements.• Performed Citrix Active Directory Management tasks on XenDesktop, Provisioning Server, and XenApp. Managed Citrix XenApp Policies.• Support customers on Citrix NetScaler, Citrix Edge Sight servers, Citrix XenServer, and Citrix Secure Gateway. Provided operational documents to make the environment more convenient.• Provided access to all published applications as per user requirements. Managed and maintained the servers and multiple farms.• Work with CloudFlare WAF, Rate Limiting, Workers and LogPush. Show less

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  Million web service

  Dec 2021 - Jan 2023

  Senior system engineer

  Job responsibilities:• Designed, deployed and managed the VMware Horizon View Virtual Desktop Infrastructure for a large environment to support Hosted application service for Cloud Customers.• Worked with each department to determine what applications they need and the best way to deliver them that provides the best user experience• Replaced most physical desktops with Thin/ Zero Clients to reduce costs and simplify management• Used VMware vCenter Operations Manager (vROPS / vRealize) for server and workstation monitoring• Installed different AV and security products (Sophos) to protect the environment.• VMware ESX/ESXi, vSphere, vCenter Servers and appliance, vCenter Operations Manager, NSX-T and vRealize automation.• Configured vCenter Cluster, Storage Cluster, HA, vMotion, DRS, and SDN.• Administered Veeam backup jobs for production and DR environments.• Designed, deployed and managed the Veeam Service Provider Console for Veeam Cloud Services.• Extensive experience in installation, configuration, administration, and support of Windows Server Roles. (Active Directory, Group Policy, Printing Services, IIS Web Servers, Hyper - V and Access Services, Security and Protection, Networking, Windows Server Backups, Remote Desktop Services, Server Clustering), DNS, DHCP, ISCSI, Cloud Storage.• Physically installed, rack, and stack servers, switches, SAN, and Blade Servers. Show less

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  Onstak

  Feb 2023 - now

  Computer systems analyst

  Job responsibilities:Collaborate with cross-functional teams (Infrastructure, Database, Networking, Engineering) to ensure system availability.Deploy application software such as J2EE, Oracle, MySQL Server, etc.Conduct Proof of Concepts for new technologies and data analysis tools, integrating them with the Hadoop cluster.Develop applications/dashboards showcasing usage, performance, capacity, health, and other efficiency metrics to customers.Establish Jenkins Jobs for code build and compilation, ensuring code stability before merging into the master branch.Administer production Analytics environment handling petabytes of data.Create multi-cluster test harnesses to evaluate system performance and failover for Hadoop services in pipeline building.Contribute to research, design, and implementation of new technologies for scaling large datasets and improving performance.Debug, automate, and resolve operational issues in the production environment.Collaborate with the analytics team to develop pipelines for generating reports and Machine Learning use cases.Design and implement a Generic UI framework for showcasing various client apps in one place.Write automated test cases for API and UI of the cluster management dashboard.Responsible for cluster tuning, monitoring, troubleshooting, upgrading, and proactive service monitoring.Coordinate with Engineering, IT, and Database teams to deploy application software and ensure availability. Show less