Technical Writing | Threat Intelligence

Designing, Building, and Operating infrastructures for security research purposes in DevSecOps, network and systems security.

• Security monitoring using Wazuh and Elastic Search as SIEM tools.• Configuration of logging, monitoring and detection tools with alert mechanisms.• Improving vulnerability assessment score by performing vulnerability scans and patch activities.• Investigating intrusion attempts, performing threat analysis and providing report.• Ensuring risk reduction through information security policy development.• Installation and configuration of network and security devices.• Responding to security events and incidents from Firewall, Intrusion Detection Systems (IDS), SIEM and other data sources.• Ensuring end-user systems and servers within network are patched in accordance with security policies and procedures, mitigating risks associated with identified vulnerabilities.• Technical analysis and proactive monitoring of network and security logs using; ELK and Capsa.• Administration of operating environments on bare-metal and cloud platforms.• Documenting implementations and configurations approved by change management control.• Performing incident response activities based on data center availability, network and security within SLA.• Performing routine check of all connectors / log sources to ensure log aggregation is functional.• Suggesting and implementing infrastructure enhancements to improve security in compliance to NIST and ISO2700 frameworks.

• Worked as part of a 3-man team to provide application, network and hardware support to 140+ end users, reducing employee idle time by over 75%.• Visited and oversaw remote sites to provide maintenance and upgrade of systems.• Maintained user management, identity and access control infrastructure using Microsoft Active Directory.• Logged requests on CRM and other ticketing applications to ensure timely resolution of IT requests within SLA.• Provided network support to end users, liaising with 3rd party vendors to ensure timely resolution of WAN and VSAT links.• Performed commissioning of new IT equipment and decommissioning of old equipment including servers, switches, routers, UPS systems, and power inverters.• Maintained IT asset inventory to help the business better manage systems, software, and licenses.

• Collaborated with a team of 30 persons to drive GOTV marketing campaigns which resulted in the sale of 13,700 GOTV devices over a period of 9 months. • Confer with customers by telephone or in person to provide information concerning products and services.• Completed package step-up/ promotion campaigns which drove over 55% increase in subscriber base over a period of 4 months.• Led a 5-man team to effectively carry out DSTV reconnection campaigns by calling out to churning customers.

Ensured systems patch compliance was at 100% across 400+ end user systems within the organization's network to mitigate risks associated with identified vulnerabilities.Provided technical support to customers within SLA.Performed proactive monitoring of network and incident response activities (using PRTG Network Monitor, WhatsUp Gold and Riverbed SteelHead), thereby reducing service downtimes by over 95%.Used Microsoft Active directory to ensure adequate user identity and access management.Ensured baseline configurations are maintained and approved upgrades are implemented on firewalls, load balancers, proxy and servers.