Freelance Lemsi Iheb

VMware Administrator :

• Manage and maintain VMware vSphere environments including ESXi hosts and vCenter Server
• Implement and oversee disaster recovery solutions and backup strategies to ensure data integrity.
• Monitor system performance, identify issues, and perform troubleshooting to maintain optimal operation.
• Configure and manage virtual networks and storage solutions.
• Supported VMware environments including setup, maintenance, and troubleshooting
• Assisted in the migration of physical servers to virtual environments
• Conducted regular backups and implemented recovery solutions.
• Maintained documentation for system configurations, procedures, and policies.

Veeam Backup and Replication Administrator :

• Manage and maintain Veeam Backup & Replication infrastructure to ensure data availability and integrity.
• Develop and implement backup strategies, schedules, and retention policies to meet business continuity requirements.
• Perform regular backups, verifications, and recovery tests to validate data protection processes.
• Troubleshoot and resolve issues related to backup failures, performance bottlenecks, and storage utilization.
• Generate and analyze reports on backup status, storage usage, and system performance.
• Collaborate with IT teams to integrate Veeam with virtualization platforms (VMware, Hyper-V) and cloud services.
• Maintained documentation for backup configurations, procedures, and recovery plans.

Projects

Enterprise Backup Solution Implementation

Led the deployment of Veeam Backup & Replication across EODataCenter , enhancing data protection and recovery capabilities. Configured and managed backup jobs for virtual machines, physical servers, and cloud environments. Disaster Recovery Plan Development Developed and tested a comprehensive disaster recovery plan for EODataCenter , reducing potential downtime and data loss. Coordinated with various departments to ensure alignment with business continuity requirements.

pfSense Administrator :

• Administer and maintain pfSense firewall systems, ensuring robust network security and performance.
• Configure and manage VPN connections (IPsec, OpenVPN) for secure remote access.
• Develop and enforce firewall rules and policies to protect the network from threats.
• Monitor network traffic and performance using built-in and external tools, identifying and resolving issues proactively.
• Implement IDS/IPS solutions (Snort, Suricata) for advanced threat detection and prevention.
• Set up and manage VLANs, DHCP, DNS, and NAT services within the network.
• Created and maintained documentation for network configurations, security policies, and procedures.

Projects

Network Security Enhancement Project

• Led the implementation of pfSense firewalls across multiple sites for EodataCenter, resulting in a 50% reduction in security incidents.
• Configured IPsec VPNs to securely connect remote offices, improving data integrity and access.

Monitoring Administrator (Elastic Stack)

• Implement and manage Elastic Stack components for centralized logging and monitoring across the organization.
• Configure Logstash pipelines to aggregate and process log data from various sources.
• Develop and maintain Kibana dashboards for real-time data visualization and analysis.
• Set up Beats agents to collect metrics and logs from servers and applications.
• Monitor Elasticsearch clusters, ensuring high availability and performance.
• Create and manage alerting rules to notify relevant teams of system anomalies or failures.

Projects

Centralized Logging Solution Deployment

Led the implementation of a centralized logging solution using Elastic Stack for EoDataCenter, improving log management and analysis. Configured Elasticsearch clusters, Logstash pipelines, and Kibana dashboards to provide comprehensive monitoring and insights. Performance Monitoring and Alerting System Developed a performance monitoring and alerting system using Elastic Stack, reducing response times to system issues. Created custom dashboards and alerting rules in Kibana to track key performance indicators and notify relevant teams.

Nextcloud Administrator :

• Deploy and maintain Nextcloud instances, ensuring high availability and performance.
• Configure user and group permissions, integrating with LDAP/Active Directory for seamless access control.
• Implement data security measures including encryption, secure access protocols, and regular security updates.
• Set up and manage backup solutions to ensure data integrity and facilitate disaster recovery.
• Implemented and configured Nextcloud for internal use, enhancing collaboration and file sharing capabilities.

Projects

Enterprise Nextcloud Deployment

Led the deployment of Nextcloud for EODataCenter, migrating from a legacy file storage system. Configured Nextcloud to support over 700 users, integrating with existing IT infrastructure and ensuring data security. Nextcloud Performance Optimization Conducted a comprehensive performance tuning project for Nextcloud, resulting in a 30% increase in system responsiveness. Implemented caching solutions and optimized database configurations to enhance performance.

Zimbra Mail Administrator :

• Deploy, configure, and maintain Zimbra Collaboration Suite, ensuring high availability and optimal performance.
• Manage user accounts, distribution lists, and email aliases, ensuring appropriate access controls and permissions.

Wazuh Administrator :

• Deploy and maintain Wazuh for security monitoring and threat detection across the organization’s IT infrastructure.
• Configure Wazuh agents on various endpoints, ensuring comprehensive log collection and analysis.
• Develop and manage security policies and rules within Wazuh to detect and respond to potential threats.
• Monitor system performance, ensuring optimal operation and swift resolution of any issues.
• Conduct regular security audits and vulnerability assessments to maintain a robust security posture.

Projects

Enterprise Security Monitoring

Implementation Led the deployment of Wazuh for EoDataCenter, enhancing the organization’s ability to detect and respond to security threats. Configured and optimized Wazuh agents and server components, ensuring comprehensive security coverage and minimal performance impact. Compliance Monitoring and Reporting Developed and implemented a compliance monitoring framework using Wazuh to meet PCI-DSS requirements for EOdataCenter. Windows Server Administrator :

• Manage and maintain Windows Server environments, ensuring system stability and performance.
• Administer Active Directory, including user and group management, OU structure, and Group Policies.
• Configure and manage DHCP, DNS, and WINS services to ensure network reliability and performance.
• Develop and implement backup and disaster recovery plans to safeguard data integrity.
• Monitor server performance and conduct regular maintenance to prevent issues and ensure optimal operation.
• Automate administrative tasks using PowerShell scripts to improve efficiency and reduce errors.
• Provide technical support and training to users, resolving issues promptly and effectively.

Linux Administrator :

• Manage and maintain Linux-based systems, ensuring system stability and performance.
• Administer and configure servers, network services, and applications. Develop and maintain shell scripts to automate administrative tasks and improve efficiency.
• Monitor system performance, identify issues, and implement solutions to optimize operations.
• Ensure system security by applying patches, updates, and configuring firewalls.
• Implement backup and disaster recovery plans to safeguard data integrity.
• Provide technical support to users, resolving issues promptly and effectively.
• Maintain documentation for system configurations, procedures, and policies.

GLPI Administrator :

• Deployed and configured GLPI for IT asset management and help desk ticketing, ensuring alignment with organizational needs.
• Integrated GLPI with OCS Inventory and FusionInventory for automated inventory management and asset tracking.
• Customized GLPI workflows, forms, and templates to optimize IT service delivery and user experience.
• Managed user accounts, groups, and permissions within GLPI, ensuring appropriate access controls.
• Implemented incident, problem, and change management processes within GLPI, following ITIL best practices.
• Developed and maintained custom reports and dashboards to track key performance indicators and support decision-making.

Client Support Specialist (Level 2) :

• Provide Level 2 support for complex technical issues, ensuring timely resolution and client satisfaction.
• Troubleshoot and resolve hardware and software issues for end-users, including operating system problems, application errors, and network connectivity issues.
• Collaborate with Level 1 support to escalate and resolve critical incidents, ensuring adherence to SLAs.
• Use remote support tools to diagnose and fix issues for remote clients efficiently.
• Document and track all support interactions and resolutions in the ticketing system

Client Support Technician (Level 1) :

• Provided first-line support for incoming technical issues via phone, email, and chat.
• Identified, diagnosed, and resolved technical problems related to hardware, software, and network connectivity.
• Escalated unresolved issues to Level 2 support or appropriate IT teams, ensuring prompt resolution.
• Maintained detailed logs of support requests, resolutions, and follow-up actions in the ticketing system.
• Assisted users with password resets, account unlocks, and basic configuration tasks.
• Delivered excellent customer service, maintaining a positive and professional attitude in all interactions.
• Participated in regular training sessions to stay updated on new technologies and support processes.