IT Support II/System Administrator/Database Administrator

----------- ----------- V. -----------IT Support & System Administrator | Database Administrator | Application ----------- |-----------&-----------(Viber & WatsApp) |Manila Philippines

PROFESSIONAL SUMMARY:
Experienced IT Support & System Administration Specialist and Database Administrator with expertise in Oracle, MSSQL, and cloud platforms like Azure, AWS, and Oracle Cloud. Skilled in database performance tuning, ETL processes, data security, and backup and recovery. Proficient in virtualization (Windows/Linux), network configuration, and IT infrastructure management, with a strong focus on system optimization, reliability, and automation. Adept at delivering end-to-end solutions—from requirements gathering to deployment—enhancing system efficiency and user experience.

SKILLS:• Database Management: MSSQL, Oracle, MySQL, Azure, AWS & Oracle Cloud Database, PL/SQL, Python, PostgreSQL, Oracle Data Warehousing, Data Mining, MS Access, SSRS, SSIS, Oracle APEX.• System Administration: Microsoft Hyper-V, VMware, vSphere, RHEL, Windows Server, Unix, Linux, Solaris, AIX, SAP, Office 365, SharePoint, OneDrive, iOS, Android.• Development & Security: Oracle Developer, Active Directory, SQL Loader, HP Data Protector, Vormetric, TDE, MSSQL Clustering, Data Guard, Oracle RAC, Citrix, PowerShell, RMAN, ServiceNow, Jira, Remedy, GitHub, Power BI, BitLocker, VPN, DHCP, DNS, Bash, JavaScript, Intune.

WORK EXPERIENCE:
System Administrator
October 2025 - PresentMastiff Systems, Lincoln Nebraska (USA) - Remote•Manage servers and automation tasks in Tactical RMM.•Implement security best practices and ensure network reliability.•Administer and maintain Windows Server, Active Directory, and Group Policy for multi-site environments.•Configure and monitor RAID storage, backups, and system performance.•Provide Level 1–2.5 technical support and resolve infrastructure issues.•Oversee virtualization platforms (Proxmox, VMware) and Linux servers.
IT Onsite Support II
July 2025 – September 2025DOW Chemical (Kelly Services) , Lacombe, AB, Canada
• Planned, coordinated, and executed the seamless migration of Windows 10 systems to Windows 11 across the organization with minimal user disruption.• Provided onsite and virtual technical support across Lacombe, Blackfalds, and Calgary, AB.• Configured, deployed, maintained, and troubleshooted computer workstations, laptops, printers, mobile devices, phones, and other IT and telecommunications equipment.• Collaborated with hardware and software vendors to ensure timely product delivery and proper installation of new equipment.• Configured and maintained surveillance cameras (CCTV/IP) across various locations.• Supported network connectivity issues, including Wi-Fi, LAN, and VPN troubleshooting.• Maintained an up-to-date inventory of all IT assets, including laptops, desktops, monitors, peripherals, and other hardware equipment.
IT Computer Support (Volunteer)
January 2025 - PresentCalgary Public Library, Calgary, AB, Canada
• Provide technical support, troubleshooting, and user training for hardware, software, and network issues for library PCs, Chromebooks, and personal devices.• Educate patrons on digital literacy, cybersecurity, and online best practices.• Assist users with software applications, coding principles, and social media platforms.• Facilitate library patrons in learning and practicing computer skills in a one-on-one environment tailored to individual needs.
IT Developer/Analyst (COOP Student)
September 2024 – November 2024 Alberta Health Services (AHS), Calgary, AB, Canada
• Developed and optimized applications using Oracle APEX, SQL, and PL/SQL.• Analyzed, designed, developed, and maintained web applications using Oracle APEX.• Optimized SQL queries and PL/SQL procedures for improved performance and efficiency.• Developed stored procedures, functions, and triggers to automate data processing.• Performed system testing, debugging, and troubleshooting to ensure smooth application functionality.• Designed and managed database structures, including creating and modifying tables, indexes, and constraints.
Computer Support Technician (Volunteer) July 2024 – September 2024Calgary Drop-In Centre, Calgary, AB, Canada
• Installed, configured, and maintained computer hardware, networks, and software systems.• Execute system upgrades and ensure systems remain current with the latest patches and security updates.• Oversee and manage inventory of IT equipment and supplies, ensuring availability for users and clients.• Diagnose and troubleshoot issues related to computer systems and peripheral equipment.• Supervise and mentor volunteers, providing guidance and support in their technical tasks.
Database Administrator (Student Capstone Project) September 2023 – April 2024Southern Alberta Institute of Technology (SAIT), Calgary, AB, Canada
• Implemented robust backup and recovery plans to guarantee data integrity and minimize downtime. • Developed ETL processes for Oracle databases and proposed security measures for a capstone project. • Owned the full database lifecycle, including data modeling, ERD design, ETL, SQL administration, backup & recovery, and complex query/function development. • Managed user access control (schemas, permissions) provided technical support for database usage, and collaborated with vendors for third-party application integration.• Designed and optimized scalable database systems using best practices for data modeling, normalization, high speed, and responsiveness.
Customer Service Representative (Part-Time)
November 2023 – April 2024U-Haul Calgary, Calgary, AB, Canada
• Provided exceptional customer service both inside and outside the U-Haul center, assisting customers with various U-Haul products and services.• Utilized U-Scan technology on smartphones to efficiently manage rentals and inventory.• Performed tasks such as moving and connecting U-Haul trucks and trailers, conducting equipment inspections, and checking.• Proactively address customer inquiries, offering comprehensive information about available products and services.• Handled rental transactions, generate invoices, and manage the return process for equipment.• Demonstrate expertise in installing hitches and trailer wiring.
Database Administrator May 2021 – December 2022Accenture Inc., Philippines
• Implemented performance tuning measures that resulted in a 20% reduction in average query execution time for the MSSQL database. This optimization enhanced system responsiveness and improved user experience for the US-based retail project. • Reduced the risk of data breaches and unauthorized access by 30% by implementing a multi-layered database security approach. This proactive strategy significantly improved database security posture within a year.• Achieved a 90% first-call resolution rate for user and application issues related to the MSSQL database, ensuring efficient troubleshooting and minimizing downtime for the US-based retail project.• Developed and implemented 90 automated database jobs and scripts, streamlining routine database maintenance tasks and improving overall database administrative efficiency.
Database Administrator September 2020 – May 2021DXC Technology (HP Enterprise), Philippines
• Successfully managed Oracle Data Guard, achieving a 99.95% uptime for the critical 24/7 banking project (Canada). This ensured data availability and minimized potential disruptions for financial transactions.• Managed a portfolio of over 2000 databases across Oracle, MSSQL, and DB2, spanning development, testing, and production environments.• Automated 70% of database maintenance and backup tasks, resulting in a 30% reduction in the average time required for these critical processes. This freed up valuable time to focus on higher-level tasks and user support.• Developed database access & recovery policies, supervised Oracle RAC tasks, and collaborated with vendors to resolve high-severity i-----------.
Database Administrator September 2016 – August 2020ABS-CBN Corporation, Philippines
• Successfully spearheaded the end-to-end configuration of Oracle Data Guard in a Linux environment, reducing database downtime for disaster recovery by 85%. This ensured faster recovery times and minimized potential data loss during critical i-----------.• Automated 75% of routine database administration tasks using scripts and procedures, resulting in a 50% reduction in time spent on manual administration. • Identified and resolved performance bottlenecks, leading to a 25% improvement in database query execution speed. This enhanced user experience and system responsiveness.• Managed the entire lifecycle of database systems, including installations, upgrades, migrations, configurations, and performance optimization through tuning and capacity planning. Executed high availability solutions like Oracle Data Guard and MSSQL mirroring. • Implemented a multi-layered security approach using Vormetric and TDE, reducing the number of database security i----------- by 40% in a year. • Administered a wide range of databases (MSSQL, Oracle, MySQL, cloud-based) on platforms like Azure, AWS, and Oracle Cloud and provided on-call support to ensure system stability and address critical issues.
IT Computer Support II & System Administrator
July 2011 – September 2016ABS-CBN Corporation, Philippines
• Installed, configured, and maintained operating systems (Windows, Mac, Linux), enterprise applications, antivirus solutions, and network security appliances (firewalls, IDS/IPS, VPN, switches, routers). Conducted diagnostics, repairs, and upgrades for hardware, printers, mobile devices, and endpoint security, ensuring optimized system performance and cybersecurity resilience.• Set up and managed data backup systems, including cloud-based and on-site solutions, ensuring data integrity. Performed data recovery from damaged or corrupted systems to ensure business continuity.• Managed ticketing systems (ServiceNow, Remedy), achieving high first-call resolution rates and minimizing downtime through effective issue resolution and proactive support.• Led server administration and virtualization across Windows Server (2003 – 2016), Active Directory, VMware, Hyper-V, and Linux environments. Optimized VM provisioning, reducing administration time by 30%.• Developed and implemented automation scripts (PowerShell, Bash) for routine tasks like backups, user account management, and software updates to enhance operational efficiency.• Ensured 99.9% uptime for mission-critical applications by managing IT operations across multiple locations, performing regular network security audits, and responding to after-hours critical issues.• Provided enterprise-level support for Microsoft 365 (OneDrive, SharePoint, Teams, Outlook), Citrix Servers, and business applications, facilitating seamless remote collaboration and secure data access.• Delivered technical training to Level 1 and Level 2 support staff, improving troubleshooting skills and increasing first-call resolution rates by 80%.• Collaborated with cross-functional teams and stakeholders to enhance IT service delivery, optimize cybersecurity compliance, and align technology with business goals, driving operational efficiency and cost savings.
EDUCATION:• Database Administrator Certificate | Southern Alberta Institute of Technology | Sept 2023 – Apr 2024 • Bachelor of Science in Information Technology (BSIT) | IETI College, Philippines CERTIFICATIONS: • SQL Server 2022 Administration | Microsoft Azure Fundamentals (AZ-900) | Microsoft SQL Performance Tuning | Oracle APEX: Foundations• NSE 1 Network Security Associate | SAM Networking | VMware vSphere 5.5 Administration• CISCO Networking (CCNA) | ITIL 4