Information Technology Specialist

Experienced System Management Specialist in system integration and engineering support for SDLC application. 18 years of information technology industry experience supporting different key production applications such as PeopleSoft and Health Care Applications.

• Track record of increasing responsibility in systems administration, design and planning.
• Demonstrated capacity to manage and reduce system cost by leveraging advanced technology.
• Hands-on experience leading all stages of system design, including definition of system requirements,testing and support.
• Outstanding team player,able to coordinate and direct all phases of project-based efforts while managing, motivating and leading/mentoring junior staff.

Confidential System Integration

Liaison Unix System Administration

Supporting Oracle and PeopleSoft DBAs Unix Standards and Policies for Infrastructures Systems security and information assurance compliance Change Control CMDB Capacity Planning for System/Storage and Performance Monitoring.

• Software: SSO Citrix Password Manager and Carefx CM Context Management
• Health Care Application: AHLTA,CHCS,BHIE,CHDR and Essentris
• Hardware: IBM p7, p6 and p5 570s, 520s, SunFire T2000,V440,280R, Sun Enterprise 3500-6000 systems, IBM p690 Regatta, HP T600, V and N class HP systems.
• OS: AIX 5.3, 6.1, Solaris 10, Red Hat Enterprise Linux 5 and 6, HP UX 11.0 and VMwareESX4.x vSphere, Windows 2003/2008 servers, AIX to VMware Linux virtualization.
• Tools: Checkpoint Firewall, Citrix Virtualized published application environment, HP OpenView, IBM Tivoli, ESM, CMDB, BDNA, Formula, Juniper SSL-VPN, Mysql and MS SQL
• Systems Management:Unix Infrastructure/TechnologyRefresh/Server consolidations/ migrations, VIOs/LPARS, Shell scripting, Performance Tuning, Logical Volume Manager, VERITAS, Autosys, Omniback, Backup/Restore strategy and Disaster Recovery off-site plans, OpenView Node Manager, Patches monitoring and updating, Configuration of 3rd party applications, Database tuning parameters, Kernel parameters, Optimization for better performance, Tivoli TSM Backups, EMC SAN,Netapp, OS clones, Symantec ESM, Internal IT auditing/SOX-ICFR compliance, ArcSight Compliance, Dual factor authentication Implementation.
• Business System Analysis: Application support, Vendor Integration support and Reports using MS-SQL queries and analysis.

Professional Experience

Confidential

• System Integration Engineer to manage the SDLC project for SSO-CM code development, test, integrate production deployment and sustainment activities in the defense acquisition cycle.
• Review critical designs, requirements, technical specification with new features of the application being developed, end to end integration testing, risks reviews and multi-vendor and government agencies technical engineering liaison. DoD-VA IPO health care applications to work with SSO-CM toolbar enabling AHLTA/CHCS/BHIE/CHDR.
• Manage the development vendor team and work with testing team to get the code tested, fully integrated before deploying to the production.
• Manage the system environment for all the EHR health care applications in the Testing and Evaluation project through vendor install process and maintain the application engineering environment diagrams, version and validation of all the system design documents with the product release testing cycle.

Confidential

• Migration AIX consultant: Implement IBM p770 Virtualization environment for a technology refresh migration project at NOAA with IBM V7000 Storwize storage virtualization, dual VIO for all AIX servers and Sybase database.

Confidential

• Research and analysis of system documents, business processes, rules and controls.
• Business System Analyst: NG Catalog Order Management Systems on CWSerenade application and Integration with ATG e-commerce platform/Warehouse Management System/Customer support.
• Requirements gathering and working with application software vendors and QA/UAT testing.
• Support for MS SQL reports and analysis and JIRA system.
• Technical liaison, collaborate with development vendors, end user support for systems.
• PeopleSoft Inventory module for PO Receipts and Shipment Transactions.
• Consulting for AIX to Virtual Linux VMware Infrastructure migrations support for PeopleSoft applications and NetApp storage support.

Confidential

Senior Unix Administrator

• Managed the AIX infrastructure for a PeopleSoft human resources management system on a high availability Veritas Cluster with DR setup.
• Support other infrastructure management initiatives, such as enterprise security Symantec ESM and ArcSight review reports, Dual factor authentication in Unixenvironment Implementation, cost effectiveness and asset management systems.
• Collaborate with external auditors and security analysts to conduct in-depth compliance audits.
• Responsible for managing use of the following tools: NIM, VCS, VIO, CMDB/Formula BSM .
• Responsible for implementation of BDNA Linux ITAM production roll-out, including install setup, scan environment setup, running scans, generating reports and feeding report into CMDB, and managing upgrades and enhancements.
• IT auditor : Jr level assisting internal audit works in unixkey controls. Collecting evidences and deficiency reports.ICFR information assurance.

Confidential

Senior Technical Specialist Unix Systems Management

• Managed migration of Solaris to AIX Regatta LPARS environment for PeopleSoft financials and human resources management systems.
• Responsible for installation of Unix servers, configuration of hardware and software applications, migration, production implementations and performance monitoring.
• Troubleshooting, infrastructure capacity planning, servers and disk space sizing, consolidation of legacy servers, firewall rules and change control.
• Tivoli/EMC support, DNS, SSL-VPN config support and Juniper Net Screen Firewall appliances.
• Junior Oracle database administration activities such as creating database instances, RMAN backups, tablespaces and disk-sizing for oracle filesystems, OEM for monitoring.

Confidential

AutosysUnix Administrator

• Installed, configured,administered and maintained Production Autosys systems.
• Implemented key jobs schedules.
• Coordinated with Application Developers, Sybase DBAs.
• Troubleshooting withKorn shell scripts with jobs, monitor the key jobs, JIL's creation and managing.

Confidential

Unix Administrator

• Member of Unix Team for the PeopleSoft General Ledger module and Accounts Payable module.
• Configured, maintained and monitored production, test and development Unix systems.
• Monitored and tuned system performance, application and database optimization.
• Installed and built new systems Hardware, OS, Software, Upgrades.
• Managed disk and capacity planning, file system sizing, EMC Disk Arrays, Omniback backups.
• Migrated Sun systems to Solaris of a Sybase application project.
• Created Logical Volumes, File systems for Oracle database, PeopleSoft application appservers/domains.
• Worked in a HP MC Service guard cluster environment.
• Migrated legacy system application to the current environment.
• Upgraded T600 system on 10.20 to 11.00 using Ignite tool.
• Installed and configured load balancing WebSphere Edge server software on AIX platform.
• Disaster off site/on site recovery plans.

Confidential

Unix Administrator

• Member of a Unix Team for Global Financial investment banking.
• Supported day-to-day front office operations, technical infrastructure group and back office development.
• Installed Solaris on Multiple SUN Enterprise 3000-6000 systems using Jumpstart, supported Sybase database servers and managed NIS , DNS ,NFS, TCP/IP,RAID's A1000, and Backup/Recovery on Legato.
• Maintained more than 150 SUN-OS and Solaris systems for entire Asia-Pacific node of a global banking network on financial applications such as Market Data Sheet.

Confidential

Unix Administrator

• Assigned to Ministry of Labour as Unix admin for the Government Intranet project called Labournet.
• Installed Solaris 2.5.1, maintained and monitored E3500, E150, E250 Sun Solaris system as web server and oracle database servers in production and development environment.
• Installed Oracle Web server, Check Point Firewall, ACE server security, DNS and MailWebmaster of Labournet, maintained as a very successful government work permit automated system website.
• Installed K class HP servers running Oracle Replication at Changi Airport for Worker arrival system project.

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