Ian Dexter R. Marquez

Career highlights

• Unix system administration
• Identity management
• Web administration and support
• Content and network security
• Linux and web administration
• Network administration
• IT consulting
• ITIL-certified
• Red Hat Certified Engineer
• Microsoft Certified Professional

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$Date: 2010/08/14 04:27:18 $

Unix system administrator, April 2010 to present, Asian Development Bank, Pasig City

Maintains AIX and SuSE enterprise Linux servers in the Bank's data center for its mission-critical applications like ERP, data warehousing, financials, among others. The Asian Development Bank is a multilateral financial institution that provides technical and financial assistance to developing countries.

• Ensures 99.999% uptime of staging, development and production AIX and SuSE Linux servers in the Bank's data center.
• Provides platform-level support to the Bank's in-house development teams and IT infrastructure.
• Documents testing and deployment scenarios, as well as other process documentation for the Unix infrastructure requirements of the organization.
• Supports Unix servers that run Apache, Tomcat and WebSphere web servers, Oracle and MySQL database servers, and Oracle ERP applications.
• Current projects include improving the security baseline for Linux and Unix servers as part of the compliance requirements for the Bank; and the deployment of configuration and patch management servers.

Senior software engineer, May 2007 to April 2010, Accenture, Makati City

Supported the global identity management infrastructure of a leading financial services firm. Accenture is an industry leader in global management consulting, technology services, and outsourcing.

• Maintained the firm's directory services and identity management infrastructure using third-party open source and internally developed tools. Resolved infrastructure and data issues reported through automated alerts, from the global help desk, and directly from users.
• Coordinated with the firm's support groups in the specific regions on any service issues, and escalates high-severity issues to specific engineering groups for immediate action and resolution.
• Supported the firm's global web and enterprise products infrastructure. Resolved web infrastructure issues reported through automated alarms and from the global help desk. Maintained web application servers using best-of-breed (in-house and open source) web technologies.
• Provided training and mentoring on Unix; and documents processes and best practices for infrastructure administration.

Unix system administrator, January 2007 to April 2007, Asian Development Bank, Pasig City

Operated and maintained Unix servers in the Asian Development Bank's data center. The Asian Development Bank is a multilateral financial institution that provides technical and financial assistance to developing countries.

• Ensured 99.999% uptime of staging, development and production Unix (Solaris, AIX, and SLES) servers in the Bank's data center.
• Provided platform-level support to the Bank's in-house development teams and IT infrastructure.
• Documented testing and deployment scenarios, as well as other process documentation, for the Unix infrastructure requirements of the organization.
• Projects included the deployment of a Subversion repository for more than 20 software development projects; server consolidation; staging and installation of centralized log servers for Unix and Windows platforms; and testing and deployment of server backup strategies (on SAN) for about 100 Unix servers.

Systems engineer, April 2006 to January 2007, Trend Micro, Inc., Quezon City

Provided intermediate-level technical and engineering support for Trend Micro enterprise products as part of its EMEA Technical Support Center infrastructure. Trend Micro is a global leader in anti-virus and security solutions, providing comprehensive enterprise-level services across multiple platforms and customer segments.

• Handled troubleshooting and technical issue resolution for internet gateway (web and messaging) security products on Windows, Solaris and Linux platforms, using intensive testing procedures and set-up of lab environments for simulations.
• Initiated customer recovery procedures through teleconferencing and web-based live meetings with senior product specialists and developers.
• Performed beta testing and technical documentation of upcoming products such as network appliances and gateway security software.
• Provided technical coaching for new engineers on Linux-related and systems administration tasks.
• Contributed technical solutions articles to Trend Micro's knowledge base.

Linux and web administrator, July 2004 to March 2006, Philippine Rice Research Institute, Science City of Muñoz

Managed Linux servers of the corporate intranet in the local and wide area networks, and numerous web-based services for the organization. Developed a portal for the Open Academy for Philippine Agriculture, the Pinoy Farmers' Internet. The Philippine Rice Research Institute is a premier research and development facility in Asia that pioneers in rice science and technogy.

• Successfully deployed a 30-node Linux Terminal Server Project (LTSP) site running Ubuntu Linux as an IT training lab for the PhilRice Biotechnology Intellectual Property Rights Center.
• Developed and maintained the web portal for the Pinoy Farmers' Internet.
• Deployed an SMS-based Farmers' Contact Center in collaboration with the DOST Advanced Science and Technology Institute (ASTI).
• Managed Linux systems (on Red Hat, Fedora and CentOS) with services such as DNS, IMAP, LDAP, proxy, database, and HTTP.
• Other projects included research on the evaluation and usability of learning management and content delivery systems for agriculture extension workers; the evaluation and installation of a content management systems for the corporate intranet and the web portal; configuration, deployment and maintenance of redundant database servers with high-availability and fail-over; high-availability and load-balancing clusters for WAN routers and local web proxy caches; improved network security through reformulation and implementation of network policies; and migration from proprietary software to open source.

Network administrator, April 2002 to July 2004, National Irrigation Administration, Quezon City

Designed and implemented the NIA Central Office local area network, and implemented services such as Active Directory, intranet, web, e-mail, and instant messaging. The National Irrigation Administration is the lead Philippine agency that provides irrigation services, development, operation and maintenance to contribute to the country's goal of national food security.

• Initiated the partnership between the NIA and PREGINET of DOST ASTI for the Agency's inclusion to the nationwide broadband research and education network.
• Designed and prepared bid documents and specifications, and supervised the structured cabling project of the NIA CO LAN.
• Developed the rollout and implementation strategy for the NIA CO LAN, which runs on Windows 2000 Advanced Server, Red Hat Linux 9.0 and Fedora Core servers.
• Maintained and ensured the smooth implementation of network services, including client workstation configuration and technical support.
• Developed and maintained the company intranet using Apache, PHP and MySQL, with a content-management systems running on Drupal.
• Spearheaded the migration of client computers from proprietary tools to open source solutions.

Community relations / information assistant, February 1999 to March 2002, National Irrigation Administration, Science City of Muñoz

Implemented the public and corporate information infrastructure for the Casecnan Multipurpose Irrigation and Power Project (CMIPP) and frequently assigned to IT-related activities. The CMIPP is NIA's flagship project in provisioning irrigation services to northern Central Luzon, and supplementary power to the Luzon grid of the National Power Corporation.

• Spearheaded the creation of a Public Information Desk for the Project.
• Designed and developed informaon materials such as stand-alone kiosks, multimedia presentations, magazines, newsletters, brochures, flyers, and radio plugs.
• Involved in the Project's IT initiatives like software and hardware acquisitions, technical evaluation of procured IT equipment, and maintenance and troubleshooting of PC hardware.

Graphics designer and IT consultant, January 1998 to present

Handled various IT and communications projects for community organizations, student publications, and local government agencies.

• Blogger on technology-related topics at Coredump, and in iandexter.com.
• Member of the Philippine Linux Users Group, Ubuntu PH Local Community, Software Freedom Day Philippines, and the Computer Professionals Union.
• Facilitated the network setup, technology transfer and editorial design templates for Pinoy Weekly, an independent tabloid newspaper with circulation nationwide and in Filipino communities abroad.
• Designed templates and conducted journalism training for student publications like The Manila Collegian (University of the Philippines Manila), The Catalyst (Polytechnic University of the Philippines Sta. Mesa), and The Sebastinian (San Sebastian College-Recoletos).