Experience

• 

  Great fortune infotech private limited

  Sept 2004 - Oct 2005

  It executive

  Maintain and administer computer networks and related computing environments including computer hardware, systems software, applications software, and all configurations.Perform data backups and disaster recovery operations. Recommended new updates and changes required by the clients.Diagnose, troubleshoot, and resolve hardware, software, or other network and system problems, and replace defective components when necessary.Plan, coordinate, and implement network security measures to protect data, software, and hardware. See more occupations related to this task. Performed security monitoring tests to identify intrusions.Configure, monitor, and maintain email applications or virus protection software. Provided Tier 2 and Tier 3 technical support. Deployed performance enhancing/monitoring tools.Produced new system and network designs for new office and Documented the new Windows server settings that have been applied to the network.Sorted complex issues pertaining to hardware and network failure – Monitored both Hardware and Software systems for errors and updated them regularly to maintain proper functioning and flow of information Show less

• 

  United nations

  Oct 2005 - Nov 2007

  It engineer

  As an IT Technician with United Nation mission in Eritrea and Ethiopia I was responsible for managing the IT infrastructure and operation of Sector Headquarter with 10 team sites.Monitoring and maintaining PC, software, hardware wired and wireless networks across various sites. Undertake regular system backups to ensure that information disaster recovery could be facilitated as quickly as possible. Diagnose, troubleshoot and resolve a range of software, hardware and connectivity issues. Install, configure & manage Network devices like Switches, Routers, Access Points, Bridges, Wireless controllers and Microwave links between Mission HQ and regional team sites..Install, configure, & managing system services, software, licenses like MS Win XP/7, Hypervisors, Symantec Antivirus, Servers 2003, AD, DNS, DHCP, FTP, IIS, ISA, SQL, Lotus Notes, Mercury, Galileo, Business Objects, Sun-Progen, CarLog.Respond to user service requests and expediently resolve trouble tickets to maximize system uptime. Increased departmental efficiency and reduced operational costs by automating several routine database management tasks.Substantially increased security and performance of systems by initiating Symantec anti-virus software and critical operating system updates. Significantly reduced workstation set up time by developing a disk cloning procedure to streamline operating system implementation and security properties configuration.Resolved critical technical issues pertaining to System Performance, Viruses, Spyware and Spam related issues, minimized computer crashes, Network & Internet Connectivity related issues, Application Conflicts & System Bugs Show less

• 

  London college of computing

  Dec 2007 - Jul 2009

  System administrator

  As a System Administrator I was looking after the Network Division of the College IT section, responsible for keeping open computing areas operational and backbone systems support throughout college campus.Provide recommendations for hardware selection, implementation techniques and tools for the most efficient solution to meet present and future business needs. Evaluate and reports on new technologies to enhance capabilities.Worked effectively with various stakeholders (executives, department heads, end users, vendors, or consultants) to define business and systems requirements. Expertise in Business Continuity and Disaster Recovery Planning; delivered maximum business value for Infrastructure, Data Centre Technologies, Large Scale Systems and Networks.Provide technical support for all infrastructure systems including upgrades and installations on Windows Server, Windows Terminal Server, AD, DNS, TCP/IP, Windows Load Balancing Services, Windows Clustering Services, IIS, System and Network administration for File & Print Serves, Backup management, Security & User management.Responsible for training the junior team members in technical and process related activities like how to manage virtual applications like VMware Workstation and virtual wireless controller.Conducting performance reviews monthly basis and submitting reports to the concerned officials. Preparing monthly work status report and updating technology specific documents. Configuring Email, backing up and restore of mails, system and user state data, Creating restore point and firewall rules. Demonstrated strengths in rapidly diagnosing, troubleshooting and resolving client issues. Manage and optimize MySQL database servers for efficient data storage and retrieval. Administer and secure web servers, including Apache and Nginx, ensuring high availability and performance. Configure and troubleshoot web server security, SSL certificates, and access controls. Show less

• 

  United nations

  Jul 2009 - Dec 2010

  Senior engineer it

  As an IT Technician for United Nations mission in CHAD and CAR I was doing Planning, Designing and Implementation of new site's Network infrastructure. Creating work orders for new site installations and carrying out routine maintenance of data center.Installing Operating system, Applying Operating system updates, Installing and Configuring new hardware software also responsible for migrating Windows 2003 servers to Windows 2008 R2, DNS, DHCP, Lotus domino, WDS, Exchange server, Cabling, Firewall, Switches, Routers and Gateway installation.Performed many Disaster Recovery Tests, performed to check the Business Continuity from DR Site in case of Disaster in production site also maintaining EMC Oncourse for replication between multiple geographical locations, performed many Active Directory cleanups for the De-Commissioned Domain Control’sInstalling and sharing network Printer, Installing peripherals like Digital sender, Wireless access Point and bridges. Perform second and third level desktop and server troubleshooting. Provide installation, support, and administration of both physical and virtualized Windows server environments with VMware to ensure high availability of client/server applications.Domain Controller, FSMO roles, Active directory, deploying Group policy to meet security standard. Also configuring folder level quota and Disk Quotas, file/folder permissions using ACLs. Installation and configuration of HF/UHF fixed mobile and hand held radios. Tracking vehicle and mobile radio locations using centralized command center access. Maintaining the wired and wireless network of deployed region. Oversee the activities related to IT Asset management, ensure the hardware and software inventory exist and is accurate/updated. Provided detailed descriptions of issues in trouble ticket system and followed up diligently to ensure swift resolutions.Ensured service levels agreements were met on a consistent basis and suggest contract addendums when needed. Show less

• 

  United nations

  Mar 2011 - Dec 2015

  Application administrator

  As an Application Administrator for United Nation mission in Burundi (MENUB/BNUB) I was overseeing IT operations related to System Administration/Networking with different flavors of operating systems / Network Devices; administering more than 50+ Network devices across 4 sites.Planning, designing, implementing systems, complex network infrastructure & data center, server management, VSAT, IPBX, Microwave link commissioning, ICT Firewall security and wired and wireless network configuration.Installing, configuring, managing Blade Servers, Websense, SEP Antivirus, Server 2008/12 & services like Active Directory, DNS, DHCP, File Server, Network Policy Server, SCCM, WSUS, TMG 2010, Netbackup & other physical equipment's.Implementing, administering Virtualization, Hypervisors/SimpliVity, creating Golden Image, Managing VM’s using vSphere Client, VMware Horizon View system, creating VM, VDI pools, troubleshooting faults. Implementing monitoring system Network Devices, Satellite Links with Cacti, Intermapper, Manage Engine NetFlow Analyzer, ADAUDIT Plus, HPSIM & what's up gold.Routine backup of Servers and share drives using Veritas Netbackup, troubleshooting backup failures and data restoration as and when requested. Upgraded Netbackup 7.1 to 7.5 successfully.Performed many Disaster Recovery exercise and develop disaster recovery plan to check the Business Continuity from DR Site in case of Disaster in production site, Actively contributing in preparing and updating CITS disaster recovery plan and represent MENUB mission during VTC as mission focal point for DRBC.Provides many inhouse training to national, international staff members on Cisco Switches, WAN switches (IGX) Router configuration using EIGRP, BGP for giving them better understanding of mission network. Wrote the mission decommissioning process at mission closing to ensure no technical or soft elements were forgotten. Show less

• 

  United nations

  Mar 2016 - Jun 2021

  System administrator

  As a System Administrator (OIC CITS) for OSESG-B office streamlined Information Technology department by separating support tasks and implemented best practices. Managing duties and role assignment of eleven IC's in CITS section. Planning, configuration, maintenance and administration of VMware ESX server, VMware virtual center, V-Motion, Storage Motion, HA and DRS, P2V, V2V and Troubleshooting. Create and deploy VMs from scratch also designed Hyper-V failover cluster for business critical applications. Maintaining user access in vCenter server and deploy virtual servers using template and cloning of virtual server.SAN Configuration and Implementation, Storage Components like Internal storage, Attached storages, SAN Switches, HBA, LUN Mapping, RAID groups, Volume Groups.SEPM antivirus server installation and routine upgradation, successfully deployed Microsoft forefront end point protection using SCCM server. Fully comply with Workstation Security and Clean Desk policies, including guaranteeing that all Secure Computing Controls for Privileged Users and assets are accurately tracked.Successfully guide team members to attain organizational and account commitments, including providing direction to and acting as a technical resource as well as point of escalation for team members. Serve as an extension of senior management by owning, assigning, directing, reviewing, and balancing the workload of team members.Lead all information architecture activities and manage the data governance, data quality and data warehousing. Accountable for maintaining Business continuity plan and offsite data backups.Providing training to the operators. Laying Fiber Infrastructure, Configuring and managing Cisco Switches, Access Points, PmP and Laptops/Desktops, ISE, Safecom, Managing Active Directory, Wireless Controller, IPBS Telephony, DHCP, Access control and Perimeter intrusion detection system (PID). Show less

• 

  United nations peacekeeping

  Sept 2021 - Dec 2021

  User support trainer

  As a User support trainer I was looking after the MINUSMA mission secure network and in addition to this I was in-charge of CCTV and Infrastructure projects. Installing and implementing VMware ESX server, VMware virtual center, setting up V-Motion, HA, DRS, and related VMware products such as VM Workstation, VMware converter VM Backup products and other products for virtualization.Serves as a part of the team related to various project Implementations in the mission (Federation Antivirus, SCCM, Active Directory DFS Alignment). Support Data Recovery/Business Continuity software applications and systems. Provides the full range of technical assistance in the area of server operations and administration. Provides input to identify the need for new systems re-engineering of the existing systems. Implements Disaster Recovery/Business Continuity (DR/BC) and backup services. Participate in the security incident response activities.Troubleshooting network related issues pertaining to local and remote area networks of United Nation, Routine installation, configuration, deployment and troubleshooting of server hardware, software and Cisco LAN/WAN network devices.Responsible for fixing and troubleshooting various hardware and software related issue escalated via service desk. Actively meeting and coordinating with service desk staff for their requirements & ensuring timely and quality feedback to them.Configuration and installation of Cisco Virtual wireless LAN controller, roaming between multiple WLC, installation and maintenance of lightweight AP at mission head quarter and installation of Autonomous AP point at VIP residence, Conversion from Lightweight to Autonomous and vice versa.Customer Support to emails, O365 Suits, WIN-10/11, MFA, Printers, Internet, Tetra Radio, Wi-Fi services, Ineed CRM, UMOJA, FSS & troubleshooting, Asset Inventory & allocation, request, issuance. Show less

• 

  United nations

  Jan 2022 - now

  Satellite communication

  As a Satellite Communication Eng for UNOWAS I am working on the implementation of network project in accordance with Mission requirements and applicable UN policies and standards.Serving as key resource person responsible for design, install, and configure VMware vSphere 6.7/7.0 ESX, ESXi, vCenter, vMotion, DRS and HA. Migrated VMs across hosts within a HA cluster to perform maintenance tasks on ESX hosts (VMotion, SVMotion)Manage and optimize virtual infrastructure for performance and scalability and providing technical support for all IT infrastructure system including Data Center, Virtual Data Center(VDC), DRBC Site, server hardware, VMware vSphere Suite and Cisco UCS environment.Administer and maintain Azure resources, ensuring optimal performance and security. Manage and troubleshoot Active Directory, including user management, group policies, and security configurations. Oversee management and upgradation of server infrastructure, VM’s, DC, DNS, DHCP, HPE Synergy servers, Checkpoint, DMVPN, VSAT, vWLC with 20 AP and Cisco Spark VTC terminal,Design and maintain LAN and WAN networks, implementing routing protocols like EIGRP and BGP. Cisco Call Manager management for user configuration (telephones, pin codes, speed dials). Service Desk services: installation configuration and troubleshooting of PCs and networks according to user's requirements and all standard and not standard software's.Maintains the scheduled updates with fixes and patches. maintenance of PCs, servers, Digital senders, printers, network devices (Cisco Switches) and any other IT related equipment. Manage the day-to-day operations of the IT section including downtime, reporting service levels and status to management. Evaluates new technologies and makes recommendations for their deployment. Consistently praised for communicating effectively with both technical and nontechnical users. Known for excellent problem-solving skills Show less