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Ronald  Caldito Rosales
  Freelancer
  Freelancer
13 years of experience in Data Center Environment as a System Administrator, IT Administrator, System Operations/Service Desk /Onsite Desktop Engineer
Present System Operations Specialist at IBM Singapore
Past System Operations Specialist at AIA Private Limited
Education Don Bosco Technical College , Bachelor Degree
Resume Information
Tagline:
13 years of experience in Data Center Environment as a System Administrator, IT Administrator, System Operations/Service Desk /Onsite Desktop Engineer
Summary:
13 years of experience in Data Center Environment as a System Administrator, IT Administrator, System Operations/Service Desk /Onsite Desktop Engineer and have exposure to multiple platform environments, supporting a large scale of servers, applications and services, with experience of working shift to cover 24/7.
Experience:
Company
IBM Singapore
Job Title
System Operations Specialist
Industry
Call Center / IT-Enabled Services / BPO
Profession
IT - Network/Sys/DB Admin
Date
January 2016 - Present
Description
Monitors backups on various computer systems to ensure correct tape inputs and correct start and stop times; investigate and correct any problems that might occur.
Evaluates and verifies tape media reliability to copy and store data.
Performs all scheduled and emergency system recovery procedures.
Provide technical guidance to the support center and end users.
Works on rotation in all areas of Operations (system/network/application/data center)
Provide timely response to all issues reported by customers.
Document the resolution of incidents and problems using Service Now Ticketing System.
Manage and observe system (windows/unix/AS400), networks(switches/patching), application and service alerts.
Monitoring, escalation and ticket creation of any incident/problem in CA Autosys, NetGain Essential and server console (physical/via VMWARE).
Mounting cartridges/LTO tapes in libraries maintaining software applications, operating systems and regular maintenance.
Perform tapes inventories e.g. daily/monthly/adhoc and expired tapes for recall/deliver and safe keeping (storage).
Assist in transport backup cartridges and disks to offsite locations.
Coordinate all works in the data center.
Perform, troubleshoot and escalate on batch jobs/failures and assist in fixing these problems via AS400.
Daily IT Operations tasks e.g. Shutdown of specified database and application jobs, initiate backup etc.
Data Centre environment monitoring e.g. ensure the aircon environment (PCU) and power (PDU) is in healthy state.
Perform/generate/print cheques for the clients and policy holders of AIA via AS400.
Provide level 1 troubleshooting for software/backups/systems and networks.
Email monitoring/daily task via outlook and lotus notes.
Other duties assigned by managers e.g adhoc request.
Company
AIA Private Limited
Job Title
System Operations Specialist
Industry
Insurance
Profession
Computer/Information Technology
Date
March 2015 - January 2016
Description
Monitors backups on various computer systems to ensure correct tape inputs and correct start and stop times; investigate and correct any problems that might occur.
Evaluates and verifies tape media reliability to copy and store data.
Performs all scheduled and emergency system recovery procedures.
Provide technical guidance to the support center and end users.
Works on rotation in all areas of Operations (system/network/application/data center)
Provide timely response to all issues reported by customers.
Document the resolution of incidents and problems using Service Now Ticketing System.
Manage and observe system (windows/unix/AS400), networks(switches/patching), application and service alerts.
Monitoring, escalation and ticket creation of any incident/problem in CA Autosys, NetGain Essential and server console (physical/via VMWARE).
Mounting cartridges/LTO tapes in libraries maintaining software applications, operating systems and regular maintenance.
Perform tapes inventories e.g. daily/monthly/adhoc and expired tapes for recall/deliver and safe keeping (storage).
Assist in transport backup cartridges and disks to offsite locations.
Coordinate all works in the data center.
Perform, troubleshoot and escalate on batch jobs/failures and assist in fixing these problems via AS400.
Daily IT Operations tasks e.g. Shutdown of specified database and application jobs, initiate backup etc.
Data Centre environment monitoring e.g. ensure the aircon environment (PCU) and power (PDU) is in healthy state.
Perform/generate/print cheques for the clients and policy holders of AIA via AS400.
Provide level 1 troubleshooting for software/backups/systems and networks.
Email monitoring/daily task via outlook and lotus notes.
Other duties assigned by managers e.g adhoc request.
Company
Bank of America Merrill Lynch (Dimension Data)
Job Title
Technology Infrastructure – Network (Resident Engineer)
Industry
Banking / Financial Services
Profession
IT - Network/Sys/DB Admin
Date
May 2014 - March 2015
Description
Performing Data Centre equipment installation work.
Involve in various data center equipment (i.e. network and for non-network equipment) E.g. besides performing swap or installation of data network devices
Doing rack and stack of other Data Center computer equipment such as servers, telephone devices, storage infrastructure and etc.
Configuration of patching request, assigning VLAN, ports and scripts which includes rollback for switches.
Responsible in handling desk patch for users and traders within the company.
Responsible in troubleshooting of switches using putty (to be able to connect to jump server) or Fluke to check the configuration physically.
Handle sites around Asia which includes Singapore. Malaysia, Philippines, Indonesia, India, Australia, Japan, Taiwan, China, HongKong, Thailand and Korea
Responsible in escorting/supporting Engineers in accessing BAML Data Centre located in different sites (Global Switch Tai Seng, ML Harbourfront, OUE, Serangoon and Kaki Bukit.)
Involve in patching request with Lantro (BOA’s cable vendor)
Performing Change, Problem and Incident Management.
On-call 24/7 support for network troubleshooting and maintenance.
Company
Thomson Reuters Asia Pte Ltd (Singapore)
Job Title
Operations Controller Engineer – Core Team supporting Asia Pacific, EMEA and AMERS Region)
Industry
Banking / Financial Services
Profession
Computer/Information Technology
Date
May 2011 - January 2013
Description
Responsible for triage, troubleshooting, resolution and escalation as per service levels and documentation. Responsible for providing support in Incident Management, Change Management which includes creating, assessing, approving and implementing changes in monitoring and control of the TR Services.

Job responsibilities are:
• To ensure that business critical task checklists are followed and that all scheduled events are completed correctly in a timely and efficient manner
• To ensure correct referral and escalation of issues
• To ensure that all work is carried out in accordance with the requirements of the Quality Management System operated in the respective site
• Identifying and reporting the deficiencies in systems, services and procedures, and ensure that corrective actions identified are completed
• To produce routine daily logs, exception reports and to produce reports on major service incidents
• Carrying out scheduled system software and hardware upgrades as directed through the Change Management System
• Ensuring Incident Management, Problem Management and Change Management procedures
• To ensure personal knowledge of all supported systems is continually updated
• Able to communicate effectively with all levels of staff, both orally and in writing
• Able to act rapidly and logically under pressure, and make effective use of others in resolving problems
• Monitor the TR services using VMware, Citrix Xen, DameWare for virtualization/remote administration and maintenance.
• Ticket creation and escalation to higher level (Level 3 Support) for unresolved issues upon troubleshooting, to ensure the agreed Service Level Agreeement’s team target.
•Manage and support regions handled by TR for troubleshooting purposes and maintenance esp. servers, software and applications (EMEA,AMERS, Asia Pacific)
•Handling Outlook and Exchange Server issues/Windows remote access (Active Directory), configurations for Remote Access using smartphones, Configuration for Network Access handled by TR staff and employees.
Company
Great Eastern Life Insurance (Singapore)
Job Title
Technical Network Services Dept. – Data Centre System Operations Engineer/Desktop Support
Industry
Insurance
Profession
IT - Network/Sys/DB Admin
Date
May 2008 - May 2011
Description
Data Centre System Operations Engineer (May 2008 – January 2010)
● Managing and monitoring all the financial systems/servers such as IBM AS400 i525Series, CA Autosys – Graphical Unit Interface (FPMS & DCMS), Lotus Notes, StorageTek and other peripheral hardware of Great Eastern Holdings Singapore by checking messages, batch jobs, devices and printers.
●Ensure that the connectivity between AS/400 and users are always active to provide real-time system accessibility. ●Monitor system performance and perform capacity planning to ensure that the system response time must be within the permissible level to guarantee user/customer satisfaction.
●Initial Program Load (IPL) and Entire System backup using Veritas Backup and Symantec. ●Proper loading, unloading and storage of backup media, inserting of daily, weekly monthly and yearly tapes for back up in Tape Library using LTO and 10mm tapes then send to CISCO Recall.
●To coordinate with the vendor for server installation, equipment racks and data center facility usages.
●Managing all the company assets (IT) such as notebooks, desktops, printers, scanners, licensed software and hardware for inventory and records.
●Ticket creation/escalation using Track IT and Manage Now (Web based ticketing system)
●Daily Server checking of hard disk usage and server status using daily checklist. ●Spool and sorting of reports/financial statements for all branches ●Restoration of objects/libraries upon request from the head of department.

Desktop Support Engineer/ Onsite Engineer/Helpdesk (January 2010 – May 2011)
●Doing Service Desk Engineer functions such as CALLDESK/ONSITE ENGINEER responsible for attending to the users and clients for deployment of new machines, cloning of PC using Acronis, different version of windows, system, software and network. Also responsible in setting up of Domain ID, Lotus Notes, configuration of LAN/WLAN and other helpdesk functions.
●Level 1,2 and 3 technical support/escalation/troubleshooting of hardware and software (IBM/Lenovo PC’s, ) to Great Eastern staff (Insurance Firm) and agents for policies/products.
●Expose to any PC Issues (Hardware/Software/Applications/Network and System) as Desk Side Support, also supporting and troubleshooting scanners, printers, projectors etc. used by GE staff and Agents.
●Responsible in imaging, cloning, troubleshooting and deployment of IT products to staff requesting for machine change through ticket requests and emails.

General Duties and Responsibilities:
●Performs specified sequences in accordance with specified rules of procedure.
●Performs Online and batch processing as well as monitoring of all systems. ●Ensures that the system processing start on time and releases the system to user on time as stated in the ●Service Level Agreement (SLA). ●Ensures that the system response time and disk utilization is within acceptable level. ●Ensures all on-line, batch processing have been completed smoothly. ●Performed jobs in pre-defined schedules and dependencies. ●Administration function on the iSeries Navigator ●Creation of tickets(Production Fault Report - PFR, Electronic Job Service Request - EJSR, Printing Job Request - PJR), escalation to 2nd Level Support/Developers. ●Setting up new computers, Cloning, Bios configuration, Backup and Recovery. ●Setting up new accounts in Lotus Notes/ configuration of Lotus Notes, mapping of common printers, and Service Desk job and responsibilities. ●Performs Security Back Up and Full System Back Up using AS400 i525Series. ●Perform System backup and Security backup using the IBM525 Mainframe. Shutdown all the AS400 console for users, clients and even operator’s monitoring console then concentrate to do the Full System/Security back up in AS400 mainframe server and store the data in LTO tapes, then send to CISCO every weekend.
Company
IBM SINGAPORE
Job Title
IT Administrator
Industry
Call Center / IT-Enabled Services / BPO
Profession
Computer/Information Technology
Date
August 2006 - May 2008
Description
●Active Directory accounts creation, configuration and deletion.
●Creating an account for users which uses IBM Total Authentication Server for security.
●Lotus Notes and Domino Administration V.7, creation of accounts, configuration, troubleshooting, grouping and deletion.
●Applications used by medical staff (+20K users) like doctors, nurses, pharmacists etc for their access in the system such as ADID, Lotus Notes email, Nauticus (SAP), Gmail, OOTS, CPRS, CPSS, SOS, DAS, MRS, MRMS, Surveillance, EMOS, VPN, FTO, Ipharm, SSLVPN, Intouch etc.
●Pinmailer creation (USERNAME and PASSWORD).
●Desk side support (system troubleshooting and configuration)
●Technical Support (LEVEL 2) for HELP DESK located in IBM Malaysia.
●Security Identity, Access and Web Gateway for accounts handled by IBM Clients which includes National Healthcare Group Singapore (NHG-SG).
Company
Chikka Asia Incorporated (Philippines)
Job Title
Systems Administrator (Network Operations Centre NOC)
Industry
Call Center / IT-Enabled Services / BPO
Profession
IT - Network/Sys/DB Admin
Date
January 2004 - August 2006
Description
●24/7 on-call support for servers in data center and back office environments. ●Administration and Support for more than 80 Development and Production servers running on Linux and Solaris platform collocated on different datacenters around the globe. This task includes server update and maintenance. ●Maintains accurate documentation of system hardware and software configuration for all servers and directly involved in software license renewal and liaising with vendors or supplier. ●Maintains and administer chikka and sister company websites such as www.chikka.com, globe.chikka.com, www.bidshot.com, www.wowpinoy.net that normally runs on Linux/Solaris servers. ●Answer and resolve request through RT ticketing system, requests like updating source code on production servers, querying data on a MySQL database, temporary access to production servers and etc. ●Responsible in database backup, logrotates, always up and others product-specific scripts to be deploy and run on linux and solaris production servers. Monitoring & Maintenance: ●Involve in the monitoring and maintenance of application and servers. ●Involved in the maintenance and monitoring of running applications, including application logs and database flow. ●Facilitate troubleshooting of various problems that may arise. ●Assume support role by escalating problems to the 2nd Level Support. ●Informs and coordinates with key personnel (developers, product developers, product manager, etc) for internal problems and requests. ●Coordinate with external partners and telephone companies for external problems and requests. ●Facilitate periodic checking of applications on an hourly (per gateway/buffer) and nightly (per application/hourly) basis for purposes and quality assurance. ●Facilitate threshold testing. ●Involved in back-up and down-time logging, including logging problems, documentation, development of how to lists and other concerns. Product Deployment & Other Functions: ●Involve in the setting up of new application, services and database including proper documentation. ●Informs and coordinates with the key personnel about new applications and services. ●Facilitate creation and development of scripts to help in the monitoring of applications and servers. ●Coordinate with key personnel with regards to daily requests through email, request tracking, and phone enquiries.
Education:
School / College
Don Bosco Technical College
Qualification
Bachelor Degree
Faculty
Bachelor of Science
Field of Study
Engineering (Computer/Telecommunication)
Major
Bachelor of Science in Electronics and Communication Engineering
Date
June 1996 - March 2003
Languages:
Language
English
Proficiency
Full Professional Proficiency
Language
Tagalog
Proficiency
Native or Bilingual Proficiency
Skills:
Skill
Linux (Ubuntu, Red Hat, Solaris 8,9 and 10) Microsoft NT/95/98/ME/2000/XP/Vista, Microsoft 2000, and 2003 Server, Windows 7 Mac OS, AS400, AutoSys GUI(Graphical User Interface), VMS. Experience in AS400 Mainframe using IBM525 Console. Database: MySQL ver 3.2 to 5.1 Windows : Microsoft Active Directory, DFS (Distributed File System), Lotus Notes, Domino Directory, Disaster and Recovery, Veritas Backup Tools : Putty, VNC, ISeries, MS Office 97/2000/XP/2003/2007 (Word, Excel, Outlook, Powerpoint), Op
Proficient
Professional Working Proficiency
Description
Linux (Ubuntu, Red Hat, Solaris 8,9 and 10) Microsoft NT/95/98/ME/2000/XP/Vista, Microsoft 2000, and 2003 Server, Windows 7 Mac OS, AS400, AutoSys GUI(Graphical User Interface), VMS. Experience in AS400 Mainframe using IBM525 Console.
Database: MySQL ver 3.2 to 5.1 Windows : Microsoft Active Directory, DFS (Distributed File System), Lotus Notes, Domino Directory, Disaster and Recovery, Veritas Backup Tools : Putty, VNC, ISeries, MS Office 97/2000/XP/2003/2007 (Word, Excel, Outlook, Powerpoi
Additional Info:
Interests
Playing guitar, billiards, reading books
Advice for Contacting
Employers, Agencies can call me anytime anyday.
Any Other Info
N/A
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