IAN DEXTER R. MARQUEZ

Unix System Administrator

Highly skilled and independent information technologist with extensive hands-on experience in handling enterprise IT initiatives and leveraging a hybrid of open source and proprietary solutions in direct support of business objectives. With proven competence in administering Linux and Unix platforms; and demonstrated skills and capability in applying ICT in agricultural extension, online learning and community relations. Certified in Red Hat Enterprise Linux and Microsoft Windows.

Skill areas: Unix systems administration; web design, development and management; network design, development and administration; PC hardware troubleshooting and maintenance; graphics design and content development.
Platforms: Red Hat Enterprise Linux, CentOS, Fedora, Suse Linux Enterprise Server, Ubuntu, Debian, Sun Solaris, IBM AIX, Microsoft Windows 2003 Server.
Hardware: HP DL and BL series, RLX high-density blades, IBM pSeries and RS/600, Sun SunFire and SunCobalt, Cisco CSS 11000, F5 BIG-IP application switches.
Languages: Bash, C/C++, HTML, Java, JavaScript, Perl, PHP, Python, Ruby, SQL, XML.
Tools: [Network and systems administration] Apache, Tomcat, Squid, Postfix, Sendmail, Courier, Dovecot, Procmail, MySQL, PostgreSQL, Microsoft IIS, Microsoft Exchange, Microsoft SQL Server, Microsoft ISA Server, Microsoft Live Communication Server, Sybase Adaptive Server Enterprise, Trend Micro InterScan Web Security Suite for Windows and Unix, Trend Micro InterScan Messaging Security Suite for Windows and Unix, Trend Micro InterScan Virus Wall for Unix, Trend Micro Instant Messaging Security, Trend Micro InterScan Web Security Appliance, Trend Micro Network Reputation Services, Ethereal/Wireshark, Sniffer, Cisco IOS, F5 BIG-IP ZebOS; [Web and content development] Drupal, OpenOffice.org, The GIMP, Inkscape, Aptana, VClass Authoring Tool, Microsoft Office, Microsoft Visio, Adobe Photoshop, Adobe PageMaker, CorelDraw, Macromedia Flash, Macromedia RoboDemo, Macromedia Dreamweaver, Microsoft SharePoint, TWiki, WordPress, MediaWiki, Gallery; [Miscellaneous] VMWare, Microsoft Project, AutoCAD, Dia, Subversion, CVS, RCS.

Professional experience

Senior software engineer, May 2007 to present, Accenture, Makati City: Assigned to a leading financial services firm to support its global web and enterprise products infrastructure. Accenture is an industry leader in global management consulting, technology services, and outsourcing.

Resolves web infrastructure issues reported through automated alarms and from the global help desk.
Maintains web application servers using best-of-breed (in-house and open source) web technologies
Coordinates 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.
Provides training and mentoring on Unix; and documents processes and best practices for infrastructure administration.

Unix systems administrator, January 2007 to April 2007, Asian Development Bank, Pasig City: Performed daily operations and maintenance of 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.

Part of the team that ensures 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 corporate 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 a variety of solutions and tools, including intensive testing procedures and setting 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: Tasked with managing Linux servers of the corporate intranet, local area network, and wide area network; and numerous web-based services for the organization. Also tasked with the development of 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.
Involved in the development and deployment of an SMS-based Farmers' Contact Center in collaboration with the DOST Advanced Science and Technology Institute (ASTI).
Led the web content design team for the e-learning program of the Open Academy for Philippine Agriculture.
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 system 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: Detailed to the NIA Central Office to design and implement its local area network, and implementing 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.
Involved in the design, preparation of bid documents and specifications, and technical supervision for 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 system 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: Tasked to implement 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 information 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.

Active blogger on technology-related topics at Coredump, syndicated in various aggregators.
Contributor to the foremost Filipino technology blog, Pinoy Tech Blog.
Member of the Philippine Linux Users Group, Ubuntu PH Local Community, Software Freedom Day Philippines, and the Computer Professionals Union.
Participated in open source efforts by the Philippine IT community, including internationalization (i18n) and localization (l10n) work on Debian-TL and TLDP-TL.
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).

Education and Credentials

Bachelor of Science in Computer Engineering

Undergraduate, AMA Computer College, Quezon City

Professional Training and Certifications

Red Hat Certified Technician. Verify certificate certificate number 604006187810538.
Microsoft Certified Professional — Managing and Maintaining a Microsoft Windows Server 2003 Environment; Installing, Configuring, and Administering Microsoft Windows XP Professional [Transcript ID 731041, Access Code 1aNd3x73r]
Trend Micro Certified Security Professional — InterScan Web Security Suite for Windows; InterScan Messaging Security Suite for Windows
Sybase — Fast-track to Adaptive Server Enterprise 12.5
Advanced Science and Technology Institute — VClass Content Development Authoring and Administration
National Computer Center — Local Area Network Design and Implementation
UP Open University — Online Content Development for the Open Academy for Philippine Agriculture
Brainbench — Apache Server Administration; Linux (Red Hat) Administration; Web Server Administration; Network Technical Support; Networking Technology; Information Technology Concepts

Career highlights

Unix System Administrator

Professional experience

Education and Credentials

Bachelor of Science in Computer Engineering

Professional Training and Certifications