David Ngumba

I am an experienced and results driven Systems administrator with a broad band of knowledge in cross-functional IT technicalities. I have gained transferable skills in; Security (Web filtering, Bitdefender, Cyberoam Security), Operating Systems (Windows 7,8,10 & 11, Windows Server 2012, 2016,2019 & 2022), Networking (DNS servers, mail server, Cisco Networking Appliances, Cyberoam Security Appliance) and Domain Control (Windows Active Directory server). Highlights of my working experience include;Designing, Building and installing IT Office infrastructure, monitoring network performance, resolving technical problems with LAN (Local Area Networks, administering Microsoft Exchange server and Active directory databases, operating a firewall to prevent intrusions from within or outside the network, supporting end users with complex issues with their computers, deploying a biometric system for the payroll System, handling data collection and data analysis and implementing the SAP integration.

With my progressive experience, my aim is to work as an IT Officer where my robust IT experience will be utilized in contributing to business value while leading the organization to achieve measurable business results and growth.

IT Specialist at Sportserve International (2021-09 – Present)

• Handled support tickets related to application errors, user access, and network connectivity.
• Diagnosed and resolved software and system-related issues.
• Design, Build and install ICT infrastructure
• Deploy Systems built by the Software Engineers
• Test and Run Systems
• Train end users on existing and new systems
• Support end users on complex and easy issues
• Liaise with Internet Providers and Suppliers on issues such as Payments and Downtime

System Administrator at Zakhem International Construction (2014-11 – 2020-12)

• Installation of WAN, LAN and VPN and also IP Telephony systems.
• Maintaining uptime, Hardware and Software systems.
• Monitoring network performance, repairs and design of camp sites.
• Administering Microsoft Exchange server and Active directory databases.
• Investigating Internet usage and reports on internet disconnection.
• Implementing a central data storage for all the remote sites reducing the need to acquire additional servers.
• Operating a firewall to prevent intrusions from within or outside the network.
• Protecting the company from malicious virus attacks from within or outside the company by monitoring an antivirus.
• Supporting end users with complex issues with their computers.
• Liaising with service providers, outsourcers and vendors.
• Consolidating systems that are suited for the company with the managers.
• Performing possible network faults.

Assistant System Administrator (Formerly an IT officer) at Multiple Hauliers Limited (2013-01 – 2014-10)

• Determined possible errors in the trip booking system.
• Monitored and managed email spam filters, firewalls, anti-virus systems.
• Deployed a biometric system for the Payroll System.
• Handled Data collection and data analysis.
• Responded to queries either in person or on phone.
• Resolved technical problems with LAN (Local Area Networks)
• Installed computer systems for users.
• Implemented SAP integration with Payroll Database.
• Created reports on support calls handled over a month.

Intern at Kituo Cha Sheria (2011-05 – 2011-08)

• Installed, modified and repaired computer hardware and software.
• Ran diagnostic programs to resolve problems.
• Maintained the daily performance of computer systems.

Bachelor of Science in Business information and Technology – Jomo Kenyatta University of Agriculture and Technology (2009-05 – 2012-04)

Kenya Certificate of Secondary Education – Upper Hill Secondary School (2004-01 – 2007-11)