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Gaddiel Herbert Bryan
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Chinese Elementary proficiency
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English Native or bilingual proficiency
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French Elementary proficiency
Bio
Credentials
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Certified Information Systems Security Professional (CISSP)
UdemyJul, 2023- Apr, 2026 -
How to Think Strategically
LinkedInMar, 2023- Apr, 2026 -
ISO 27001:2013-Compliant Cybersecurity: Annex A Controls
LinkedInMar, 2023- Apr, 2026 -
ISO 27001:2013-Compliant Cybersecurity: Getting Started
LinkedInMar, 2023- Apr, 2026 -
Learning the OWASP Top 10
LinkedInMar, 2023- Apr, 2026 -
Strategic Thinking
LinkedInMar, 2023- Apr, 2026 -
Certified Information Systems Auditor (CISA)
ISACANov, 2022- Apr, 2026 -
Certified Ethical Hacker (CEH)
EC-CouncilApr, 2022- Apr, 2026 -
ISO IEC 27032 Lead Cybersecurity Manager
PECBApr, 2022- Apr, 2026 -
Cisco Certified Internetwork Security Expert
CiscoDec, 2018- Apr, 2026 -
CISCO Certified Routing and Switching Expert (CCIE R&S)
CiscoOct, 2018- Apr, 2026 -
Microsoft Certified IT Professional (MCITP)_Enterprise Administrator on Windows Server 2008
MicrosoftJun, 2011- Apr, 2026 -
Microsoft Certified Technology Specialist (MCTS)_Windows Server 2008 Active Directory, Configuration
MicrosoftJun, 2011- Apr, 2026 -
Microsoft Certified Technology Specialist (MCTS)_Windows Server 2008 Applications Infrastructure, Configuration
MicrosoftMar, 2011- Apr, 2026 -
Huawei Certified Network Associate (Routing & Switching)
Huawei TechnologiesMay, 2019- Apr, 2026 -
Cisco Certified Network Associate
CiscoNov, 2014- Apr, 2026 -
Microsoft Certified Systems Administrator_Microsoft Windows Server 2003
Microsoft
Experience
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Information Technology Network Specialist
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Jun 2023 - Present
I am a member of the team whose responsibility is to build, optimize and secure the RAWBANK'S IT network infrastructure.
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Information Security Analyst
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Oct 2021 - Apr 2023
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Ghana
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Deloitte
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Ghana
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Information Technology Specialist, USAID West Africa Energy Program
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Dec 2019 - Sep 2021
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Ghana
o Manage project office IT systems and equipment, including; Provide training and guidance for staff members, Collect project requirements and lead selection and installation of IT systems and equipment.o Setup IT Infrastructure and provide up-to-date security measures to secure the entire network.o Liaise with third-party service providers as needed. o Implements security improvements by assessing current situation; evaluating trends; anticipating requirements. o Determines security violations and inefficiencies by conducting periodic audits.o Provide training to project staff on best Internet security practices.o Monitor network and application performance to identify and irregular activityo Perform regular audits to ensure security practices are complianto Keep track of all IT equipment and ensure assets are properly recorded and tagged according to requirementso Lead the development of a thorough Confidential Information Management Plan (CIMP), which should detail how staff members must handle various project documents and information, and in general how the team plans to protect confidential material.o Develop and implement information security protocols and systems to protect project information.o Enforce compliance with the approved CIMP plan and other project technology protocols on an ongoing basis, using audits as needed.o Provide IT support to team members in the West African region.o Implement and document a disaster recovery plan and offsite storage of backed up data for the program.
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Data Link Institute
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Accra, Ghana
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Senior Systems Administrator
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Dec 2015 - Dec 2019
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Accra, Ghana
Networking:…… S-S-VPN, Get-VPN, DmVPN, Remote VPN, Flex, VPN, Wi-Fi, QoS, WAN, BGP, OSPF, EIGRP, LAN, SAN, VPC, Nexus, WLC, Catalyst.Security: .......... RADIUS, 802.1x, IPS, IDS, Firewalling, Fortinet, Cisco NGIPS, Cisco NGFW, Cisco FMCs, Cisco WSA, Cisco ASA, Cisco ESA, Cisco AMP, Endpoint Protection.Built a mini-data-center as an upgrade for the institution to improve business availability.◦ Responsible to upgrade data network equipment to the latest stable firmware releases.◦ Check, update and optimization of the entire IT infrastructure.◦ Responsible for establishing network by evaluating network performance issues, installing, configuring the equipment’s, and defining network security policies and procedures.◦ Responsible to Install, support and maintain hardware and software infrastructure according to best practices, including router, aggregators, switches, Wi-Fi controllers, and firewalls.◦ Responsible to designed and ongoing assessment of firewall, Intrusion detection/intrusion prevention, application control, Web filtering, Spam filtering, Antivirus and other network components policies.◦ Identification, evaluation and fixing security risks and breaches.◦ Responsible to design and Implementation of Remote Access VPN Client (IPsec, Cisco Client).◦ Implementation of Data Recovery and Business Continuity processes and services.◦ Responsible to Provided technical assistant to team members on daily basis issues.◦ Responsible to monitored network usage, anticipate problems and suggest solutions.◦ Responsible to do vulnerability assessment and pen testing using tools: - Owasp, Burpsuit, Rapid7, Nexpose, OpenVas, App Spider, Metasploit, Nikto, Nmap etc.◦ Implementation of Network & Infrastructure Automation solutions.◦ Implementation of BYODHighlight: Direct coordination of an employee allocated for network and security activities.Highlight: As a Senior Engineer for the infrastructure, occasional supervision and coordination of a team of 7.
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Intu-It Ghana limited
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Accra, Ghana
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IT SYSTEMS ENGINEER
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Feb 2015 - Dec 2015
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Accra, Ghana
Management of local area and remote area networks.◦ Provide Software, Hardware and Network Support, as well as Operating System loads and organizational.◦ Troubleshooting virus related problem and installing Antivirus.◦ Installing and troubleshooting operating system.◦ Configuring Microsoft outlook for user and troubleshooting Mail Problem.◦ Responsible for PC Assembling & Troubleshooting, Installation of Operating Systems and Drivers for various cards.◦ Installation Configuration of Print devices on desktops.◦ Planning and Designing of data center for Controller and Accountant General Department.◦ Installation of Modems, Printers (Laser, Inkjet), Scanner.◦ Management of safety related tools and tasks (firewalls, routers, radius authentication, host isolation).◦ Focal point for server backup and VMware infrastructure activities.Highlight: IT infrastructure made by up to 14 offices across Ghana.Highlight: In charge of technical validation of the proposals for new IT infrastructure implementations.
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DWADIFO ADANFO SAVINGS AND LOANS
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Accra, Ghana.
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IT Network Engineer
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Jul 2014 - Feb 2015
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Accra, Ghana.
Deployment,configuration and management of core network routing, switching and security infrastructure supporting LAN and WAN connectivity across the 10 branches of the bank.Security lock down of network and IT infrastructure via access control lists, firewall technologies and access control infrastructure in compliance with industry and regulatory best practicesSecurity audit of existing network infrastructure and implementation of controls to ensure routers,switches and firewalls are configured and comply with Bank’s security standards and in accordance to industry best practices and conformance to ISO 27001 Information Security certification of Dwadifo Adanfo Savings and Loans.Proactive log monitoring and auditing of security devices to identify and preempt possible security breaches or threats to the network Network design and implementation to support business initiatives of various units of the bank. Remote network and VPN access setup and management between the bank and 3rd party service providers supporting mobile banking and cash collection services. Ensure the timely provisioning of network,communications and security related services to new branches of Dwadifo AdanfoProviding infrastructure technical support to all 300 employees of the bank.Configuration of network routers and switches for setup of new branches.Maintenance of inventory of all IT equipment in branches.Ensuring servers and PCs are compliant with the Bank’s security policyCollaborating with vendors to ensure timely delivery of new branches according to agreed upon designs.Ensuring the timely resolution of all IT infrastructure-related issues escalated from the Help Desk.
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West Africa Data Centres (RackAfrica)
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Accra, Ghana
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IT Support Specialist
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May 2012 - Jun 2014
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Accra, Ghana
Configuring and troubleshooting network devices for data center co-locators (Cisco Routers, Switches, Dell Servers, Hp Servers.)Configuring Wireless Local Area Networks.Configuring Windows, Linux and UNIX Services . Making reports on the Mobile Number Portability.Performing devices installation in racks.Performing help desk duties.Monitoring the Power Room by frequently checking the electricity current flow.Handling the Symantec Server.Taking all the Servers Backup by the Procedure of Daily, Weakly & Monthly.Telecommute a day from home performing network tasks.Assist in the developing and recommending hardware/software solutions, configurations and standards for network servers.Maintaining hardware and software records.Responsible of All Wireless Bridges & AP’s for internal wireless network.Managing the Multiple CCTV & Access Control Servers.Managing the Routers connected with other networks.
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Education
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2016 - 2018Jiangsu University of Science and Technology
Master's degree, COMPUTER AND INFORMATION SCIENCES AND SUPPORT SERVICES -
2011 - 2013
University of Education
Bachelor's degree, Information Technology -
2005 - 2008
Ghana National College
Pure Science
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Industry Focus. “Banking”
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