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概要
In my role as a System Administrator at PRAL, I am responsible for maintaining and operating the IT infrastructure effectively. Having experience in IT and cybersecurity, I am proficient in managing incidents and problems, working with vendors to find lasting solutions. I had a significant role at Zong CMPak Ltd in the implementation of BSS products. With a Master's degree in Information Security and a bachelor's degree in Computer Science, I also hold certifications in software technologies, graphic design, and spoken English. Skilled in IT operations, problem-solving, and tool management, my goal is to improve organizational effectiveness and achievements using my expertise in IT and Information Security.
项目
工作经历
System Administrator
• Led the installation and configuration of Wazuh SIEM to enhance security monitoring.• Executed VMware ESXi and vCenter setups, optimizing virtualization resource allocation.• Managed Active Directory, DNS, and DHCP for secure user access.• Utilized PFSense to bolster network security.• Maintained server configurations and operating systems for optimal performance.• Conducted regular backups and disaster recovery operations to safeguard data.• Monitored system performance and addressed efficiency improvements.• Provided technical support, collaborating on system upgrades and migrations.• Configured user accounts and monitored logs for security breaches.• Managed virtualization platforms for resource optimization.
Executive IT - BSS Operations
• 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.
Sr. Officer IT OMC
• 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.
Jr. System Engineer
• 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.
