SUMMARY:

19 years of professional IT experience. Strong hands - on experience in applications/systems development, network and system administration, virtualization, web technology, database, storage, and security. Solid large scale enterprise level IT system/application/infrastructure architecture design, implementation, Business Analysis, Cost/Risk Assessment, and project management experience. Over 10 years of customer facing and vender facing experience.

HANDS-ON EXPERIENCE/SKILLS:

Big Data: Hadoop, HDFS, MapReduce, HBase, Hive, Pig, Sqoop, Mahout, Oozie, Flume, Zookeeper

Programming: Java, PHP, Python, C/C++, Scripting (Shell, Perl)

Web Technologies: LAMP, Apache, JBoss, Tomcat, Rails, Web Services, Web security, Search Engine

Operating Systems: Linux (Red Hat, SUSE, Ubuntu), Solaris, VMware, MS Windows Server, Mac OS Server

Database: Oracle, NoSQL DB (HBase, MongoDB), MySQL, SQL, PL/SQL programmingNetworking Routers, Firewalls, Switches, Network Security Appliances, Load Balancer, VPN

Security: Network/System/Web Security, IDS/IPS, Net/App Penetration, Data Protection

Hardware: Dell/HP/Sun clusters, servers, chassis, blades

Storage: SAN (EMC, Isilon, NetApp), NAS, and DAS, SRDF/HUR

Others: Cloud computing, Open Source SW, EA Tools, SOA, IAM, DataMart, ETL, TOGAF, Agile

WORK EXPERIENCE:

Confidential, Reston, VA

Senior IT System Architect (Consultant)

Responsibilities:

• Plan, design and build large scale enterprise IT solutions and technical stacks for strategic projects.
• Guide Technology teams through best practice design and solution.
• Work closely with developers, project team, andEngineering teams to collect business and technical requirements, and deliver designsolutions, specifications and implementations for large scale financial applications and systems.
• Collaborate with technical/business stakeholders, review and approve requirements, designs and solutions.
• Prepare and document requirements and design of major strategic initiatives andoperational projects.
• Define/document/implement a Technology Solution Specification to meet therequirements and capacity, and to determine the associated cost, risks, and delivery timeline.
• Lead and coordinate cross-work, cross-function on project design, architect, production delivery and operations.

Confidential, Rockville, MD

Senior Principal Analyst

Responsibilities:

• Plan, Design, build, and secure heterogeneous IT applications/systems/infrastructure in production environments
• Evaluate and deploy new products/technology for continuous IT architecture enhancement
• Document strategy, policy, configuration, and procedures
• Manage multiple System/Application/Infrastructure solution projects
• Ensure high availability, security, and performance across multiple production Data Centers
• Troubleshoot issues with network, security, performance, hardware, web, and applications
• IT security and risk management, Vulnerability assessment, Intrusion Prevention, and Attack Protection
• Work very closely with web and application development team, and support team
• Lead junior IT system developers/administrators

Confidential, Silver Spring, MD

Senior UNIX Systems Administrator

Responsibilities:

• Ensure high availability, performance and security for systems/applications in production data centers
• Systems, applications, network, and storage configuration, performance monitoring, and performance tuning
• Capacity planning, System/Network security, vulnerability and Patch management
• Hardware and software installation, upgrade and maintenance
• UNIX/Linux, Windows systems interconnection
• Systems and network automation and troubleshooting
• Server consolidation and virtualization
• UNIX applications and end users support
• Mentor junior System administrators

Confidential, Sunnyvale, CA

Senior Tech Support Engineer

Responsibilities:

• Provide technical support to web based software running in customers Data Centers
• Assist customers’ System Admin, Network Admin, and DBA for systems and network administration
• Web Applications, Network, Oracle DB and OS (UNIX) security and performance monitoring and tuning
• Root cause analysis, applications debug, trace/log/thread-dump analysis
• Write Oracle PL/SQL scripts, shell scripts, Java programs for customers
• Work closely with Engineering and Marketing on bug fix and enhancement
• Customer management and on-site support

Confidential, San Francisco Bay area, CA

Alliance Marketing Consultant

Responsibilities:

• Design, build and secure IT systems/applicaitons in large heterogeneous environments
• System and application implementation on Solaris 10, Linux (RHEL 3/4), Windows Servers, VMware
• Network Setup: LAN, WAN, Wireless network, Router/Switch configuration
• Network and System troubleshooting and performance tuning
• Project Management for IT system projects
• Deliver demo and presentations to current and prospective customers at all levels

Confidential

Technical Support Engineer

Responsibilities:

• Provide technical support to Sun customers for Sun’s networking related products
• Serve as the team lead and back-line support engineer
• Work closely with Engineering and account manager on escalations
• Customer case management
• Deliver sessions (TOI) to colleagues
• In charge of a lab running all the products we support

Confidential, Los Angeles, CA

Software Engineer

Responsibilities:

• Software development, including bug fix, sustaining, enhancement
• Provide programming level technical support to Confidential 's customers
• Work closely with sales/developers on projects and customization
• Setup/maintain a lab for Engineering
• Develop/deliver product to customers

Confidential

Project Engineer

Responsibilities:

• Participate in projects design, development, test and deployment
• On-site technical support and customer visits
• Work closely with sales/customers on large projects
• Compose/Present project proposals to management/customers
• Account management

Confidential

Network Administrator

Responsibilities:

• Setup/Configure/maintain network equipment
• Administrate User Accounts, Naming Services, E-mail system, Remote Access, Storage
• Ensure system/network stability and high performance
• End user and application support