Hasanga Lakshan

Experience

• 

  OREL IT

  Oct 2017 - Apr 2020

  Junior Executive - IT

  • 𝗘𝗻𝘀𝘂𝗿𝗲𝗱 𝗦𝘆𝘀𝘁𝗲𝗺 𝗥𝗲𝗹𝗶𝗮𝗯𝗶𝗹𝗶𝘁𝘆: Managed maintenance and repair operations for server computers, personal computers, and laptops, ensuring 99% uptime and optimal functionality.• 𝗦𝘁𝗿𝗲𝗮𝗺𝗹𝗶𝗻𝗲𝗱 𝗨𝘀𝗲𝗿 𝗔𝘂𝘁𝗵𝗲𝗻𝘁𝗶𝗰𝗮𝘁𝗶𝗼𝗻: Oversaw the maintenance of a Linux LDAP Domain supporting over 800 users, ensuring seamless authentication and access control.• 𝗢𝗽𝘁𝗶𝗺𝗶𝘇𝗲𝗱 𝗜𝗣 𝗔𝗹𝗹𝗼𝗰𝗮𝘁𝗶𝗼𝗻: Managed DHCP servers, ensuring efficient allocation of IP addresses and improving network resource optimization by 25%.• 𝗕𝘂𝗶𝗹𝘁 𝗥𝗼𝗯𝘂𝘀𝘁 𝗡𝗲𝘁𝘄𝗼𝗿𝗸 𝗜𝗻𝗳𝗿𝗮𝘀𝘁𝗿𝘂𝗰𝘁𝘂𝗿𝗲: Installed and configured LAN/WAN infrastructure, including hubs, routers, and switches, facilitating seamless connectivity and data transfer.• 𝗜𝗺𝗽𝗿𝗼𝘃𝗲𝗱 𝗗𝗮𝘁𝗮 𝗠𝗮𝗻𝗮𝗴𝗲𝗺𝗲𝗻𝘁: Administered file servers to facilitate data storage, access, and sharing across the organization, enhancing data management efficiency by 30%.• 𝗘𝗻𝗵𝗮𝗻𝗰𝗲𝗱 𝗧𝗲𝗰𝗵𝗻𝗶𝗰𝗮𝗹 𝗦𝘂𝗽𝗽𝗼𝗿𝘁: Coordinated help desk activities, providing timely support and resolution to user inquiries, improving user satisfaction rates by 20%. Show less

• 

  IT Connect Systems

  Oct 2021 - Feb 2022

  Senior Executive - IT Infrastructure

  • 𝗠𝗮𝘅𝗶𝗺𝗶𝘇𝗲𝗱 𝗦𝗲𝗿𝘃𝗲𝗿 𝗣𝗲𝗿𝗳𝗼𝗿𝗺𝗮𝗻𝗰𝗲: Configured and maintained VMWare servers, achieving a 25% increase in system reliability and performance.• 𝗦𝘁𝗮𝗻𝗱𝗮𝗿𝗱𝗶𝘇𝗲𝗱 𝗦𝗲𝗿𝘃𝗲𝗿 𝗠𝗮𝗻𝗮𝗴𝗲𝗺𝗲𝗻𝘁: Managed Windows server configurations and maintenance, adhering to industry best practices and reducing system errors by 20%.• 𝗟𝗲𝗱 𝗛𝗲𝗹𝗽 𝗗𝗲𝘀𝗸 𝗢𝗽𝗲𝗿𝗮𝘁𝗶𝗼𝗻𝘀: Supervised help desk coordination, enhancing team efficiency and reducing ticket resolution time by 40%.• 𝗢𝗽𝘁𝗶𝗺𝗶𝘇𝗲𝗱 𝗡𝗲𝘁𝘄𝗼𝗿𝗸 𝗜𝗻𝗳𝗿𝗮𝘀𝘁𝗿𝘂𝗰𝘁𝘂𝗿𝗲: Deployed and configured Cisco switches, supporting robust network infrastructure and improving data transfer speeds by 35%.• 𝗦𝘁𝗿𝗲𝗻𝗴𝘁𝗵𝗲𝗻𝗲𝗱 𝗖𝘆𝗯𝗲𝗿𝘀𝗲𝗰𝘂𝗿𝗶𝘁𝘆: Managed firewalls from Sophos, Cisco, and PFSense, implementing advanced security protocols that reduced potential cyber threats by 50%.• 𝗙𝗮𝗰𝗶𝗹𝗶𝘁𝗮𝘁𝗲𝗱 𝗖𝗼𝗺𝗺𝘂𝗻𝗶𝗰𝗮𝘁𝗶𝗼𝗻: Configured and maintained Office 365 Exchange, ensuring reliable communication channels and enhancing collaboration across departments.• 𝗗𝗲𝘀𝗶𝗴𝗻𝗲𝗱 𝗘𝗳𝗳𝗶𝗰𝗶𝗲𝗻𝘁 𝗡𝗲𝘁𝘄𝗼𝗿𝗸 𝗧𝗼𝗽𝗼𝗹𝗼𝗴𝗶𝗲𝘀: Applied network topology principles to design and optimize server infrastructure, leading to a 30% improvement in system scalability and performance. Show less

• 

  Legacy Health LLC

  Jan 2022 - now

  Network Administrator

  • 𝗘𝗻𝗵𝗮𝗻𝗰𝗲𝗱 𝗡𝗲𝘁𝘄𝗼𝗿𝗸 𝗦𝗲𝗰𝘂𝗿𝗶𝘁𝘆: Successfully managed and optimized security solutions, including firewalls, anti-virus, and intrusion detection systems, significantly reducing security incidents by 30%.• 𝗦𝘁𝗿𝗲𝗮𝗺𝗹𝗶𝗻𝗲𝗱 𝗨𝘀𝗲𝗿 𝗠𝗮𝗻𝗮𝗴𝗲𝗺𝗲𝗻𝘁: Efficiently administered and maintained end-user accounts, permissions, and access rights for over 500 employees, ensuring smooth and secure access to critical systems.• 𝗢𝗽𝘁𝗶𝗺𝗶𝘇𝗲𝗱 𝗘𝗺𝗮𝗶𝗹 𝗦𝘆𝘀𝘁𝗲𝗺𝘀: Configured and maintained Office 365 Exchange, achieving a 99.9% uptime and ensuring seamless email communication across the organization.• 𝗜𝗺𝗽𝗿𝗼𝘃𝗲𝗱 𝗦𝗼𝗳𝘁𝘄𝗮𝗿𝗲 𝗔𝗰𝗰𝗲𝘀𝘀𝗶𝗯𝗶𝗹𝗶𝘁𝘆: Installed, configured, and maintained multi-user software accessed from file servers, improving accessibility and reducing downtime by 20%.• 𝗘𝗻𝗵𝗮𝗻𝗰𝗲𝗱 𝗧𝗲𝗰𝗵𝗻𝗶𝗰𝗮𝗹 𝗦𝘂𝗽𝗽𝗼𝗿𝘁: Provided second-level technical support to users, resolving network system issues promptly and improving user satisfaction by 15%. Show less