Spearheaded the deployment and fine-tuning of Wazuh SIEM, significantly strengthening the organization’s security posture by providing real-time threat detection and proactive incident response.
Orchestrated the setup and optimization of VMware ESXi and vCenter, ensuring high availability and efficient resource allocation for seamless virtualized environments and minimizing downtime.
Administered Active Directory, DNS, and DHCP with robust security measures, ensuring smooth and secure user authentication and resource access across the network.
Leveraged PFSense to design and implement advanced network security protocols, effectively defending the network from external threats and maintaining data integrity.
Streamlined server configurations and operating systems for maximum performance, achieving higher uptime and a faster, more reliable IT infrastructure.
Led comprehensive backup and disaster recovery strategies, safeguarding critical data and minimizing the risk of business disruptions with well-tested recovery processes.
Actively monitored system performance, identifying bottlenecks and implementing targeted improvements, resulting in optimized workflow efficiency and resource utilization.
Delivered top-tier technical support, collaborating closely with cross-functional teams to execute smooth system upgrades and migrations, ensuring minimal disruption and enhanced system capabilities.
Configured user accounts with a focus on strict security protocols, actively monitoring logs and implementing corrective measures in response to potential security breaches.
Directed the management and optimization of virtualization platforms, ensuring scalability, cost efficiency, and high performance for organizational growth and needs.

• Led incident and problem management for swift issue resolution and vendor collaboration.• Coordinated BSS and GMLC implementations, ensuring thorough testing and performance.• Managed CRM permissions and third-party integrations for secure user experiences.• Oversaw CRM upgrades and system audits to maintain compliance.• Enhanced efficiency through Internal Business Operations Monitoring.• Supported nationwide CRM solutions for quick issue resolution.• Generated reports for data-driven decision-making.• Collaborated with users to align projects with goals.• Automated tasks to reduce Turnaround Time (TAT).• Resolved security-related CRM complaints, ensuring data integrity.• Enforced strict access controls to safeguard system integrity.

• Managed CRM permissions, user accounts, and third-party integrations, enforcing role-based access controls and least privilege principles.• Provided 24/7 support for CRM, billing, provisioning, and charging issues, ensuring swift resolutions.• Oversaw the Internal Business Operations Monitoring application (BOMC), configuring alerts and optimizing system performance.• Facilitated product and service delivery, coordinating with third-party services for SMS, USSD, and MMS.• Generated ad hoc reports using SQL to support business analysis.• Automated redundant tasks to reduce Turnaround Time (TAT) and mitigate financial risks.• Conducted CRM audits for compliance and security.• Analyzed and resolved system complaints, identifying root causes.• Monitored the online charging system to ensure network availability.• Coordinated with vendors to resolve system issues effectively.• Ensured continuous support for third-party integrations through proactive monitoring.

• Administered Linux systems (RHEL 7/CentOS 7) with responsibilities including storage management (LVM, VG), log management, firewall, and SELinux configuration.• Managed user and group permissions, overseeing account creation and deletion on Linux systems.• Handled file and directory permissions, including ACLs.• Installed and configured Zabbix NMS, setting up agents for both Windows and Linux, along with alerts and triggers.• Configured file servers, managing Squid Proxy and Dansguardian for content filtering.• Administered Windows systems and Active Directory, managing users, groups, and DNS/DHCP services.• Operated VMware vCenter for VM management and implemented Veeam Backup solutions.