Emmanuel Ofori-Opoku Adjei

[email protected] 226-376-0327 Sarnia ON , Canada

PROFESSIONAL SUMMARY

Dynamic IT Support Specialist with over 5 years of experience driving system reliability and boosting user productivity through expert troubleshooting and proactive problem-solving. Skilled in Windows 11, Office 365, Active Directory, DNS management, Wi-Fi connectivity, Cyber Security and mobile device support, consistently reducing downtime by 25% and accelerating technology rollouts to enhance organizational efficiency. Known for delivering customer-focused IT solutions that streamline operations and support business continuity. Committed to leveraging technical expertise and strong communication skills to empower teams and optimize IT infrastructure.

WORK EXPERIENCE

Network Security Engineer / Researcher (Remote)
01/2024 - Present
Desoil Logistics Ghana Limited , Tema , Ghana
Conduct in-depth research into emerging security vulnerabilities, advisories, exploits, and defensive techniques to strengthen enterprise network security.
Develop and deliver training for system administrators and network engineers on advanced troubleshooting, security best practices, and incident handling.
Collaborate remotely with network teams on VLAN design, routing protocols, and secure firewall policies to ensure resilient, compliant infrastructure.
Contribute to Business Continuity and Incident Response plan development, deployment, and implementation across distributed teams.
Produce quarterly network analysis and security posture reports for technology leadership, highlighting risks, trends, and recommended improvements.
Create and maintain Python-based network automation tools to optimize workflows, reduce repetitive tasks, and enhance operational efficiency.
IT Support Engineer
07/2016 - 10/2023
Ghana Airports Company Limited (GACL) , Accra , Ghana
Delivered daily Tier 1–3 support to over 500+ end-users, resolving hardware, software, OS, and account-related issues with a focus on minimizing downtime and improving user productivity.
Managed Active Directory tasks including new user provisioning, password resets, group policy updates, and permissions, ensuring secure access to company systems.
Performed Windows 10/11 workstation setup, imaging, patching, and security hardening, supporting a stable and compliant endpoint environment.
Diagnosed and resolved network connectivity issues (DNS, DHCP, VLAN access, Wi-Fi authentication, IP conflicts) and escalated complex cases with detailed technical findings.
Supported network engineers by configuring switch ports, assigning VLANs, validating trunk/access ports, and performing post-change testing to ensure connectivity across departments.
Assisted with firewall access requests by gathering technical requirements, validating source/destination IPs, and performing initial rule testing before final implementation by the security team.
Used tools such as Wireshark, SolarWinds, and Ping/Traceroute to perform preliminary network diagnostics, helping to reduce mean-time-to-resolution for network tickets.
Configured and supported VPN clients (IPSec/SSL), troubleshooting authentication failures, profile corruption, and tunnel stability issues for remote workers.
Participated in company-wide IT projects, including office network upgrades, hardware refresh cycles, migration to cloud services, and wireless optimization initiatives.
Implemented PowerShell and Python scripts to automate routine tasks such as log collection, software installation, system cleanup, and user onboarding steps,reducing manual workload by approximately 30%.
Collaborated closely with the cybersecurity team to monitor endpoint alerts, identify suspicious behavior, respond to phishing incidents, and assist in low-level incident investigations.
Maintained IT asset inventory, licensing, warranty tracking, and documentation to support accurate planning and audit readiness.
Created clear knowledge-base articles and user guides to reduce repeat tickets and improve first-time resolution for common issues.

EDUCATION

Bachelor of Science in Computer Science
09/2012 - 09/2016
Data Link University

SKILLS

Technical Skills: Python, Penetration Testing, LAN/WAN Networking, TCP/IP, Virtualization, Cisco Networking
Soft Skills: Problem Solving, Analytical Thinking, Communication, Teamwork
Tools: Microsoft Office, Network Simulation Tools, Cisco Packet Tracer, VMware, Wireshark
Other: CompTIA A+, CompTIA Network+, Cisco CCNA

PROJECTS

GACL Corporate IT Infrastructure Expansion – Accra Team
Technologies: Windows 10, Active Directory, LAN/WAN basics, VLANs, Cisco switches/routers, Wi-Fi access points, printers, ITSM ticketing systems.
Role: IT Support Engineer
Project Overview:
Served as part of the Accra IT team during the Ghana Airports Company Limited (GACL) expansion project, supporting the rollout, configuration, and stabilization of IT infrastructure serving over 600 staff members and key aviation stakeholders across multiple departments.
Key Contributions:
Assisted in deploying and configuring new end-user devices, network equipment, and communication systems as part of the infrastructure expansion.
Provided comprehensive IT support during the transition period, including troubleshooting hardware, software, network connectivity, and user-access issues.
Worked closely with network and systems engineers to verify connectivity, test devices on newly provisioned VLANs, and ensure system readiness before handover.
Supported integration of essential airport operational systems (email, intranet, ticketing, security systems, and flight information systems) for departments moving into expanded facilities.
Conducted user onboarding, device setup, and training for staff relocating into the new office spaces.
Documented issues, escalated critical service interruptions, and followed change-management procedures to maintain minimal operational downtime.
Ensured compliance with GACL IT standards, data security practices, and service-level requirements during deployment.

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