Chisom Chinwuba
Head of Information Technology at Mainstreet Capital Limited- Claim this Profile
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Experience
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Mainstreet Capital Limited
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Nigeria
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Financial Services
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1 - 100 Employee
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Head of Information Technology
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Mar 2022 - Present
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National Engineering and Technical Company
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Nigeria
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Oil and Gas
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200 - 300 Employee
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Oct 2020 - Feb 2022
Responsible for overseeing core network infrastructure facility and the HQ domain environment.
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Oct 2018 - Sep 2020
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IT Support/Service Desk Officer
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Jul 2017 - Sep 2018
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Information Technology Specialist
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Sep 2016 - Jul 2017
-Configuration and maintenance of network hardware and other essential network services such as administration of Cisco switches, routers, VPN and ASA/WhatsupGold/Cyberoam devices (firewall rules, site-to-site VPNs, software updates, Sophos, etc.) -Provide support in Network Security Risk Assessment exercise -Provide support in CISCO Telephony Solution i.e Jabber -Revamp of Network Infrastructure -VMWare Hyper converged Virtualized Server and workstation administration -Perform regularly scheduled hardware and software maintenance and security patches, as well as database and file system backups. -Provide expertise in optimizing network performance to address connectivity needs -Administration over home office domain and Headquarter domain -Actively manage the active directory domain and set group policies. -Install, configure and administer network and server infrastructure that supports staff of over 500 personnel. -Ensured high availability and redundancy of data connectivity and business continuity measures to support Business Continuity Plan -Provide desktop and server support. Show less
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Endpoint Solutions LTD
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South Africa
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IT Services and IT Consulting
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Information Technology Analyst
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Oct 2014 - Jan 2016
Endpoint Solutions is a system integration company responsible for Information Technology Networking, Network Security, Communications and Software Development. RESPONSIBILITIES ⦁ Management of server 2008/ 2012 active directory environment ⦁ Management of Exchange Server 2008/2012 ⦁ Active Directory DNS, DHCP Server Roles ⦁ VOIP Optimization ⦁ Implementation of Network Analyzers and Optimizers Wireshark, Colasoft ⦁ Implementation of Network and Application Performance Management Software OPNET ⦁ Quality of Service ⦁ Project Management Show less
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Suburban West Africa ltd
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Telecommunications
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1 - 100 Employee
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Network Engineer
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Jan 2012 - Jul 2013
- Management of server 2003 / 2008 domain environment - Utilizing network virtualization tools. - Secured network resources with shared folder permissions based on active direct group policy - Help desk and staff equipment welfare - Networking and troubleshooting of layer 2 and layer 3 device connections - Software support on Microsoft office and other office applications - Software support for staff - Comprehensive hardware and software knowledge of computers and other related equipment. - Management of Suburban West Africa I.T infrastructures Show less
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IT Analyst
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Mar 2010 - Aug 2010
- IT Infrastructure Support - Networking and troubleshooting of layer two switches and hubs device connections - Software support for staff - Comprehensive hardware and software knowledge of computers and other related equipment. - IT Infrastructure Support - Networking and troubleshooting of layer two switches and hubs device connections - Software support for staff - Comprehensive hardware and software knowledge of computers and other related equipment.
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Education
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University of Portsmouth
Master of Science (MSc), Computer Network Administration and Management -
Covenant University
Bachelor of Engineering (B.Eng.), Computer Engineering