Emmanuel Sekyere - Top Secret Clearance

Conduct proactive monitoring, investigation, and mitigation of security incidents

• Analyze and review security alerts and logs generated by various security systems, such as IDS and SIEM platforms (Splunk) to identify potential security breaches
• Assessed severity of security alerts, determined legitimate threats, and prioritized incidents based on potential impact
• Worked in 24x7 security operations environment
• Investigate malicious phishing emails, domains, and IPs using Open Source tools and recommend proper blocking based on analysis.
• Recommend improvements in security systems and procedures.
• Developed plans to safeguard computer files against modification, destruction, or disclosure.
• Managed time efficiently to complete all tasks within deadlines.

• Set up switches, firewalls, routers, and other network hardware.
• Upgraded operating systems and computer software to ensure compatibility with programs.
• Configured security settings and granted system access to groups and individuals.
• Identified and addressed 90% of critical network vulnerabilities, significantly improving overall network security posture.
• Deploying and configuring security tools such as SIEM, SOAR, IDS/IPS, firewalls, and endpoint protection solutions
• Use tools like SCAP (Security Content Automation Protocol) or other vulnerability scanning tools to assess whether systems are STIG-compliant
• Regularly review SOPs to ensure they are up-to-date with the latest tools, technologies, and security policies
• Implemented technical solutions to solve customer issues and increase satisfaction.
• Work with teams to identify critical processes, configurations, and tasks that require standardization for security, compliance, and efficiency
• Efficiently resolved myriad of technical issues concerning software installation and network connectivity.

• Provided daily intermediate computer support to users through installation, troubleshooting, and support of networked computing devices and stand-alone computing devices which includes all workstations and all mobile computing devices, printers, scanning devices, hardware and software applications
• Installed and deployed network hardware and software components
• Maintained Desktop configuration, network connectivity, network access issues, and printer connectivity
• Diagnosed and resolved network problems, such as connectivity issues, slow, and performance
• Performed routine maintenance tasks, such as firmware upgrades and security patches
• Configured switch interfaces to be removed from Cisco Identity Services Engine (ISE) when multiple Mac addresses need to be on a port
• Collaborated with other IT teams, such as systems administrators and security engineers, to ensure seamless integration
• Provided technical support to end-users and resolved network-related issues
• Manage approximately 60 incoming calls, emails, and tickets per day from customers

• Install applications, troubleshoot user problems, and provide training and help with computer hardware and software
• Ensure proper security and handling of communications materials, systems, and equipment
• Execute diagnostics and data recovery operations and maintain logs
• Manage and coordinate information systems security across platforms and fleets
• Establish, monitor, and maintain radio frequency communication systems
• Streamline operations and prioritize tasks, allowing senior officers to launch and recover airplanes.