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System Administration

Rawdat Al Khail, Qatar
October 21, 2019

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Ernesto Tuazon Adamos Jr.

Building ** Unit ***

Al Muntaza Doha Qatar

Skype ID : chiowa.adamos

Email Address :

Mobile Number : 974-********


To obtain a challenging position in Network/Database Administration.

Technical Expertise

Server Management

Dell PowerEdge Servers (R230, R730 etc.)

HP Proliant Server (DL380, DL160 gen9, etc.)

Manage Network Infrastructures

Router Management (Cisco 3700/2800 series, Microtik)

Layer 2 and 3 Switches Management (Cisco Catalyst 3550/2960 series, HP Procurve


Wireless Routers and Access Points Management (Linksys Wireless G, Dlink DWL-2100AP,

Linksys WRT300N etc.)

VOIP phones (Linksys, Avaya, Soundpoint, etc.)

Firewalls Administration

Fortigate 100D, Firebox Watchguard, SONICWAL 2400, NETASQ U120, Juniper and Palo Alto

Network Address Translation (NAT), Policy Filtering, Quality of Service (QoS), Content Analysis

and URL Filtering, Intrusion Prevention, Load Balancing, Virtual Private Network (VPN)

Load Balancer

Forti ADC400D, HAproxy

Storage Area Network, Network Attached Storage, etc.

(Dell PS6210E 24 slots), Tape storage (Dell Powervault TL1000)

Network and Server Monitoring System, Intrusion Detection System

Nagios, Zabbix, Hyperic, Wireshark, Nmap, Open Source Security (OSSEC), Elasticsearch, Logtash

and Kibana (ELK), Grafana, AlertNow

Manage Data Center Facilities

UPS (Socomec), PACU (EMERSON LIEBERT), Fire Alarm System (Chemetron), Biometric Door

Access, CCTV (Milestone)

Database Administration









Database Monitoring

Database Security

SQL Server

Systems Administration

Amazon Web Services

Google Cloud

Office 365 Administration

Domain Controller (Active Directory, DHCP, DNS, WSUS, PowerShell, Group Policy etc.)

Virtual Machine (VMWARE esxi 6, Virtual Box, HyperV, Docker, etc.)

Backup Server Administration (Symantec Backup Exec 2015, ShadowProtect)

Web Server Administration (Apache, Apache Tomcat, Microsoft IIS)

Email Server Administration (MS Exchange Server 2010, Zimbra Collaborative Suite, IredMail,

Postfix, Sendmail, IMAP, POP3, SMTP, LDAP etc.)

DNS Server Administration (BIND)

SVN (software versioning and revision control system)

Proxy Server Administration (MS ISA Server, Squid etc.)

Antivirus Server Administration (Symantec Endpoint Management Console, Mcafee (ePolicy



Server Hardening (Windows and Linux)

Vulnerability Assessment

Penetration Testing

Operating Systems

Windows 2003, 2008 and 2012 server, Windows 8,7, Vista and XP

Linux (Kali Linux, RedHat, Suse, Debian, CENTOS, Ubuntu, Fedora etc.)

Mac OS (Lion, Snow Leopard etc.)

Work Experiences

Manager, Service Reliability Engineer January 2018 - July 2019

Samsung Electronics Philippines Corporation

9th Floor Science Hub Tower 3

McKinley Hill, Fort Bonifacio

Taguig City, Philippines

Responsible for deploying, automating, maintaining, troubleshooting and improving the systems that keep the backend infrastructure running smoothly. The role requires to have hands-on technical experience and a can-do approach towards environment automation / management and continuous improvement.

Deploying, automating, maintaining and managing AWS cloud based production system, to ensure the availability, performance, scalability and security of productions systems.

Build, release and configuration management of production systems.

Pre-production Acceptance Testing to help assure the quality of our products / services.

System troubleshooting and problem solving across platform and application domains.

Suggesting architecture improvements, recommending process improvements

Evaluate new technology options and vendor products.

Ensuring critical system security through the use of best in class cloud security solutions.

Day to day operations, personnel management, new data center build outs, expanding existing data centers and new customer deployments.

Writing policies, process and procedures for all aspects of data center operations

Create data center diagrams including cabinet elevations, data center floor maps, capacity documentation and other essential diagrams

Senior Database Administrator May 2016 – September 2017

PLDT Global Corporation

2nd Floor Smart Tower

Ayala Avenue Makati City


Develop and provide support to all system interfaces and coordinate with all project managers to provide specifications for all core modules.

Coordinate with various developers, project managers and analyst to prepare designs for new applications and documents all processes to ensure effective evaluation of all applications.

Analyze and ensure efficient transition of all technical design documents and develop various SQL packages to provide support to all application developers.

Monitor and recommend changes if required to all PL/ SQL packages and provide stored procedures and design and develop various relational database.

Evaluate all architecture for Oracle applications and prepare layouts for all logical models and maintain database objects for various application components.

Design and implement various structures for all physical objects and recommend changes on applications through efficient statistical structures.

Monitor and identify specific programming languages and recommend enhancement to all programs and evaluate all software resolution.

Design and analyze all computer hardware, firmware and embedded systems and prepare and maintain various reports for metrics.

Collaborate with various departments and perform research on all data processing functions.

Senior Database Administrator February 2015 – June 2016

Hewlett Packard Enterprise

Fort Bonifacio Taguig City


Installation, configuration and upgrading of Microsoft SQL Server/MySQL/Oracle server software and related products.

Evaluate MSSQL/MySQL/Oracle/Postgres features and MSSQL/MySQL/Oracle/Postgres related products.

Establish and maintain sound backup and recovery policies and procedures.

Take care of the Database design and implementation.

Implement and maintain database security (create and maintain users and roles, assign privileges).

Database tuning and performance monitoring.

Application tuning and performance monitoring.

Setup and maintain documentation and standards.

Plan growth and changes (Capacity Planning).

Work as part of a team and provide 7 24 supports when required.

Oracle Database Administrator June 2014 – June 2015

IBM Philippines Inc.

Technohub Quezon City


Installation, configuration and upgrading of Oracle server software and related products

Evaluate Oracle features and Oracle related products

Establish and maintain sound backup and recovery policies and procedures

Take care of the Database design and implementation

Implement and maintain database security (create and maintain users and roles, assign privileges)

Perform database tuning and performance monitoring

Perform application tuning and performance monitoring

Setup and maintain documentation and standards

Plan growth and changes (capacity planning)

Work as part of a team and provide 24x7 support when required

Perform general technical trouble shooting and give consultation

to development teams

Interface with Oracle Corporation for technical support.

Patch Management and Version Control

Do migration from Oracle to DB2

Create script for validation of schemas using SQLPlus

Do patching of Oracle Database to prevent high severity

SQL Database Administrator December 2011 – June 2014

Brady Philippines

Corporate Center Mandaluyong City


Establishing the needs of users and monitoring user access and security

Monitoring performance and managing parameters to provide fast query responses to front-end users

Mapping out the conceptual design for a planned database in outline

Considering both back-end organization of data and front-end accessibility for end-users

Refining the logical design so that it can be translated into a specific data model

Further refining the physical design to meet system storage requirements

Installing and testing new versions of the DBMS

Maintaining data standards, including adherence to the Data Protection Act

Writing database documentation, including data standards, procedures and definitions for the data dictionary (metadata)

Controlling access permissions and privileges

Developing, managing and testing back-up and recovery plans

Ensuring that storage, archiving, back-up and recovery procedures are functioning correctly

Capacity planning

Communicating regularly with technical, applications and operational staff to ensure database integrity and security

Commissioning and installing new applications and customizing existing applications in order to make them fit for purpose.

Information Technology Administrator March 2008 – August 2011

CK Galvanizing Inc.

Dasmarinas, Cavite City


Support LANs, WANs, network segments, Internet, and intranet systems

Maintain system efficiency.

Ensure design of system allows all components to work properly together.

Troubleshoot problems reported by users.

Make recommendations for future upgrades.

Maintain network and system security.

Analyze and isolate issues.

Monitor networks to ensure security and availability to specific users

Assign routing protocols and routing table configuration.

Design and deploy networks.

Senior Software Developer March 2007 – February 2008

Nasmier Enterprise Limited

Kano Nigeria

Responsible for planning, processing and performing all jobs in an efficient manner with no assistance from the supervisor

Design and develop programming systems making specific determinations about system performance.

Responding promptly and professionally to bug reports.

Review and repair legacy code.

Expected to conduct system analysis and development, with limited support from professional staff, to keep our systems current with changing technologies.

Analyze, design, coordinate and supervise the development of software systems to form a basis for the solution of information processing problems.

Responsible for analysis of current programs including performance, diagnosis and troubleshooting of problem programs, and designing solutions to problematic programming.

Responsible for developing new programs and proofing the program to develop needed changes to assure production of a quality product.

Responsible for development of new programs, analyzes current programs and processes, and making recommendations which yield a more cost effective product.

Writes, edits, and debugs new computer programs for assigned projects, including necessary records and desired output.

Tests new programs to ensure that logic and syntax are correct, and that program results are accurate; assists lower-level programmers with programming assignments.

Document code consistently throughout the development process by listing a description of the program, special instructions, and any changes made in database tables on procedural, modular and database level.

Senior Network Engineer August 2002 – September 2006

AAWN Computer Specialist Inc.

Van Nuys Blvd., California

United States of America

Establishing networking environment by designing system configuration, directing system installation, defining, documenting, and enforcing system standards

The design and implementation of new solutions and improving resilience of the current environment

Maximizing network performance by monitoring performance, troubleshooting network problems and outages, scheduling upgrades and collaborating with network architects on

network optimization

Undertaking data network fault investigations in local and wide area environments, using information from multiple sources

Securing network system by establishing and enforcing policies, and defining and monitoring access

The support and administration of firewall environments in line with IT security policy

Updating job knowledge by participating in educational opportunities, reading professional publications, maintaining personal networks and participating in professional


Reporting network operational status by gathering, prioritizing information and managing projects

Upgrading data network equipment to latest stable firmware releases

Configuration of routing and switching equipment


Bachelor of Science in Computer Science June 1987 – March 1992

Rizal Technological University

Mandaluyong City, Philippines

High School Diploma June1983 – March 1987

Southern Rizal Institute

Pateros, Metro Manila

Contact this candidate