C. PamelA Lin

Senior Data Architect/Cloud Solution Architect

 

 

Summary:

Extensive experience in leading technical teams in design, development and deployment of Information Technology Systems and providing total solution in the cloud, specialized in Data Architecture, OLTP databases and OLAP enterprise data warehouses as well as system infrastructure to include network design, storage, I/O planning, server implementations, security compliance, database encryption, administration, maintenance, and performance optimization. Most recent experience includes architecting Enterprise Data Warehouse to support Business Intelligence and building Virtual Data Center in the cloud using Amazon Web Services (AWS).

 

Technical Skills:

ERwin Data Modeler, IBM InfoSphere Data Architect (IDA), Rational Software Architect (RSA), QlikView, Oracle Designer, JDeveloper, SQL Developer, SQL*Loader, TOAD, Oracle 8i – 12c, MS SQL Server, SQL, PL/SQL, UML, WebLogic, Apache, IIS Server, Informatica Power Center, Jitterbit, HTML, Adobe Photoshop, Macromedia MX, MS Office, MS Project, SharePoint, CVS, Subversion, ClearCase, ClearQuest, APEX, HP Unix, Solaris, TSOL 8, Unix Tru64, IBM AIX, Linux, SELinux, Windows, VMware, Hyper-V, Amazon Web Services (AWS).

 

 

Education

M.S. in Computer Systems Management, University of Maryland 2001

Graduate Certificate: Database Systems and Security, University of Maryland 2001

M.A. in Performing Arts, American University, Washington, DC 1993

Graduate studies at University of Hawaii, and Harvard University, MA 1990

 

Professional Certification & Training:

Architecting on AWS 12/2014

Architecting on AWS – Advanced Concept 12/2014

IBM Rational Team Concert 01/2015

Security+ Certified, 12/2010

Oracle Certified Associate, 10/2005

Certified Scrum Master, 10/2014

Agile Principles and Methodologies Training, IBM, 07/2012

Networking and Security Administration Training, Red Hat Linux, 10/2010

Project Management training, George Washington University, 08/2009

CISSP training, SAIC University, 06/2009

Oracle 12c, 11g, 10g Database Administration, Oracle Database Performance Tuning, Oracle Database Fundamental I & II, Oracle Corporation, 09/2005 - 09/2006

 

 

Professional Experience

July, 2014 – Present

CSBS

Senior Director, Lead Database/Cloud Solution Architect

·         Provide total solution on Enterprise Data Warehouse (EDW) project including data Architecture, database implementation, system infrastructure, network configuration, and software development support in the cloud with FISMA compliance.

·         Lead and collaborate with multiple teams including business, IT infrastructure, data modeling, database development, software development through design and implementation of the Enterprise Data Warehouse to ensure and enforce enterprise architecture and standards across the business and the IT departments.

·         Design dimensional data model and create enterprise data warehouse with multiple data marts to support business intelligence needs to include data analytics using QlikView, and user reports.

·         Architect Information workflows for data movement as well as conduct data validation and data objects relationship discovery.

·         Design and perform Data Extraction, Transformation, and Load (ETL) from transactional database to the enterprise data warehouse.

·         Create Cloud Architecture Model of the Enterprise Data Warehouse systems based on business requirements, and present the designs and architectural artifacts to the company executives.

·         Build and configure a virtual data center in the Amazon Web Services cloud to support Enterprise Data Warehouse hosting including Virtual Private Cloud (VPC), Public and Private Subnets, Security Groups, Route Tables, Virtual Private Network (VPN), Elastic Load Balancer, CloudWatch, CloudTrail, Security Management VPC and VPC Peering.

·         Build application and database servers using AWS EC2 and create my own AMIs as well as use RDS for Oracle DBs.

·         Install and configure Oracle Secure Backup Cloud Module to encrypt and send Oracle RMAN backup files directly to Amazon Simple Storage Service (S3) for database backup files storage and retention.

·         Migrate existing on-premise web applications and Oracle 12c database on Linux (RHEL 6.6) to the cloud (AWS).

·         Lead the effort of Database Replication Proof of Concept (POC) on “Attunity Replicate” tool to replicate database from on-premise data center to the company’s virtual data center at AWS.

·         Support application and database development with SDLC/Agile methodology.

·         Review proposals and bids from vendors, and make recommendations to the company.

·         Manage outsourced vendors and procure software licenses for the company including contact pricing negotiation and service level agreement.

 

 

January, 2012 – July, 2014

DHS USCIS

Consultant IT/Data Architect  

·         Meet with government clients for Data Design needs assessment and Data Architecture requirement review. Analyze the requirements of data models/database systems and develops technical, structural and organizational specifications to include access methods, access time, job control language, statistical methodologies, device allocation, validation checks, protection and security. 

·         Appointed by the Government Client as a Liaison between architecture teams and development teams to facilitate the communication and collaboration among teams in the project.

·         Design and develop Enterprise logical data model and physical database using IBM InfoSphere Data Architect (IDA), ERwin Data Modeler and Oracle Software.

·         Work with other Data Architects, System Architects, and SOA architects to deliver Enterprise IT Solutions.

·         Lead the design and development efforts in creating a Master Reference Database to support DHS USCIS Electronic Immigration System and produce On-time delivery on every release of reference data model and reference data files.

·         Analyze data and perform data profiling to ensure data quality by assessing data source for consistency and uniqueness and logic against the business rules.

·         Perform data cleansing by removing redundant data, incomplete or inaccurate data.

·         Lead and implement a change process including change request, change impact review, change approval, change implementation and change recordation for the software development..

·         Convert Logical Data Model to UML Model by using IBM InfoSphere Data Architect (IDA) and IBM Rational Software Architect (RSA) helping developers understand the design of data model.

·         Work with developers on Message Model design and development, and generate XML schemas from Message Model for web services using IBM Rational Software Architect.

·         Version and Maintain Data Artifacts using IBM ClearCase.

·         Advise Database Administrators on Database Management Strategies particularly in Loading Data, Moving Data, Database Replication, Database Optimization, such as creating data loading automation scripts, using data import and export utilities, table partitioning, I/O Optimization, data processing and storage.

·         Supervise and Mentor junior database developers, developing database applications using Agile development methodologies.

·         Remain abreast of and analyze new and emerging technologies and tools for applicability to field.

·         Attended conferences and seminars in Big Data Management presented by Informatica, MapReduce/Hadoop, and Cloudera.

 

 

June, 2010 – January, 2012

General Dynamics IT/Defense Cyber Crime Center

Database Manager & Administrator – Enterprise Database System Architecture, Design & Administration

·         Provided project management and customer service in a dynamic environment. Planning, scheduling and organizing, meeting project deadlines while maintaining high customer service and quality controls.

·         Assessed the resource needs against the tasks to be accomplished and helped recruit highly qualified technical personnel.

·         Generated and provided to the government customer Monthly Report of Technical Services provided.

·         Lead the Database team working along with the Network Team to architect and establish the first Oracle Database Enterprise Environment for Defense Cyber Crime Center.

·         Designed and built Enterprise Information Systems including Capacity Planning in an On demand usage environment, building Database and Web Application servers to support multiple database development efforts.

·         Mentored and advised supporting staff including DBAs, Linux/Windows administrators and Help Desk personnel on technical requirements and implementation methodologies in support of database development and operations.

·         Installed and configured Oracle database 11gR2 and WebLogic Fusion Middleware for development.

·         Installed and configured OCI8 on Apache/PHP server to enable the connection between Apache/PHP Web application and Oracle database.

·         Installed, configured and tested Oracle 11gR2 Real Application Cluster (RAC) with Automatic Storage Management (ASM) on VMWare Virtual Machine with RHEL5.5 operating system.

·         Reviewed Database systems for any vulnerability.

·         Supervised DBAs and System Administrators in performing Security Lockdown (STIG) on Oracle database and MS SQL database servers according to the Security Checklist published by Defense Information Systems Agency.

·         Mentored DBAs and System Administrators in upgrading and applying Oracle Critical Patches to the database servers.

·         Encrypted database tablespace to protect Personally Identifiable Information (PII data) using Oracle 11g Advanced Security Transparent Data Encryption (TDE).

·         Advised and assisted data modelers and developers with effective use of the tools and software including ERWin, JDeveloper, SQLDeveloper, and Subversion.

·         Lead the Database team to successfully deploy databases and applications to production environments.

·         Load and Move data using SQL*Loader, Export/Import database schema using Oracle Data Pump.

·         Configured and enabled Oracle Flashback feature for database recovery.

·         Successfully restored the database after Oracle Sys was corrupted.

·         Implemented database backup and log retention policy using Oracle Recovery Manager (RMAN).

·         Worked with System Administration team to back up entire databases server using VERITAS.

·         Documented database installation, backup, restoration, replication and security lockdown procedures.

 

 

November, 2008 – June, 2010

SAIC Defense Logistics

Senior Data Architect & DBA

·         Lead the data team to complete and deliver the database performance re-engineering project on time through careful planning, resource allocation, and task scheduling and execution.

·         Re-engineered a SNOWFLAKE data model to STAR schema and tremendously improve the data warehouse performance to support Business Intelligence needs.

·         Generated DDL install scripts from physical data model, and installed on to the database.

·         Managed change requests to the Data Models and databases.

·         Worked with ETL (Informatica) developers helping them understand the data model for the accuracy of the data mappings and workflows.

·         Worked with testing Team helping them create test cases, especially for data that are not straight mapping from source to target and that require lookups.

·         Supervised the DBAs to perform Database Administration functions to support databases/Data Warehouse development and testing.

·         Performed Database and application Tuning, including working with Business Object developers, Partitioning tables, tuning SQL statements, developing index strategy and implementing appropriate indexes, writing recommendations on setting database initial parameters, sizing data files, sizing redo log files and configuring undo space for performance.

·         Oversee Database Replication/Backup/Recovery performed by DBAs.

·         Lead the efforts in developing Text Indexing strategies and the implementation of texting indexing onto database schemas.

·         Provided advice and support for DBAs working at customer sites on reported database problems and issues.

·         Performed Security Lockdown on both Oracle and MSSQL production databases by STIG (including security patches and version upgrade).

·         Built and configured Oracle 11gR2 database on RHEL 5 server replacing the default VCenter database, MSSQL, to support VMWare VCenter for scalability.

 

 

June, 2008 – October, 2008

Unisys/L3/Executive Office of the President (EOP)

Senior/Supervisory Database Management Specialist

·         Managed the development of database projects. 

·         Provided daily supervision and direction to support staff.

·         Ensured the security and availability of the production Oracle and MSSQ databases.

·         Planned and applied security patches for Oracle databases on Windows, Red Hat Linux and Solaris.

·         Planned and coordinated with system engineers to upgrade operating systems and database servers.

·         Installed Oracle 11g database on Solaris 10 server and set up Windows clients to connect to the Oracle.

·         Built a LINUX RHEL5 server with Oracle 10g Installed and database created to support the newly upgraded mail application server.

·         Planned staff and database resources, and when necessary, reallocate resources to maximize benefits. 

·         Prepared and delivered presentations on database management systems (DBMS) status to the government customer. 

 

 

April, 2008 – June, 2008

Indus/Defense Information Systems Agency

Database Development Team Lead/ Technical Lead                                         

·         Successfully lead the team to design and deliver the database that hosted Java applications/web services within a very short time frame.

·         Managed and provide technical guidance to the software developers including Oracle PL/SQL developers, C programmers, and Java programmers. 

·         Managed data and database to support the software development.

 

December, 2007 – April, 2008

US Investigations Services

Corporate DBA                                                                        

·         Managed multiple corporate financial, payroll and business production Oracle databases on IBM AIX and MSSQL on Windows.

·         Supervised DBAs from subsidiary companies on Database Management policies and strategies.

·         Developed and document database backup and recovery strategies for the corporation and subsidiaries.

·         Performed database storage space management including tablespace, datafile resizing and relocation.

·         Optimized database performance by tuning SGA, collecting statistics and analyzing/tuning SQL queries.

 

 

November, 2004 – November, 2007

General Dynamics AIS

Principal Engineer – Database & Systems

U.S. Air Force Special Program - Systems Networking & Database Manager

·         Managed Network and Database systems of an Air Force Special Program.

·         Responsible for the Microsoft-centric network systems and Oracle 9i Database management to include all facets associated with duties of user account creation, report generation, and DB modifications.

·         Supervised and worked with Staff to schedule and perform recurring operating systems and Oracle database backup.

·         Worked with Network staff to build a Windows 2000 server with Oracle 9i database and IIS installed. 

·         Configured Oracle Data Guard.

·         Successfully completed a variety of network management functions. 

·         Implemented information systems security mechanisms.  

·         Made changes to the application, reports, and database fields as directed by the customer.

·         Provided IT risk assessment to inter-agency government personnel.

DHS - Security Specialist

·         Performed DCID 6/4 Administration.

·         Developed Homeland Security SCI Systems Handbook with DCID 6/3 compliance.

Joint Chief of Staff/NATO - Multi-Level Security Systems

·         Lead the team to successfully design and implement the Multi-level Security Systems.

·         Presented and demonstrated to the NATO customer the capabilities of Multi-level Security Systems.

·         Lead and worked with the team to build Multi-Level Database servers and Workstations.

·         Integrated and tested Multi-Level PL/SQL database application.

·         Installed and Patched Trusted Solaris 8.

·         Installed and patched Oracle 9i with Oracle Label Security on Trusted Solaris 8.

·         Configured Oracle Label Security Policies on the database server.

·         Installed and Configured General Dynamics proprietary Trusted Network Environment products including Database Bridge and Web Server.

FBI/DOD joint counter terrorism program 

·         Supported one of the application software development efforts in a data warehousing  environment

·         Represented General Dynamics team to present to the customer capabilities and features of the application software developed by General Dynamics team.

·         Performed database O& M tasks including monitoring, space management, performance tuning and backups.

·         Performed Testing and Configuration Management for software development.

 

 

August, 2003 – November, 2004

Titan Corporation

Database Administrator for DSS Operation

·         Installed Oracle database software on Windows and Unix.

·         Performed scheduled Database hot/cold backups.

·         Upgraded Oracle 7.3.4 to Oracle 9i on UNIX/Tru64 Server.

·         Managed Database Storage Structure.

·         Managed and monitored Users and database Security.

·         Imported and Exported data by using exp/imp utility.

·         Monitored and improved database performance.

 

 

Security Clearance

DHS Public Trust (Current)

DOD TS/SCI (2008/2011)

FBI Polygraph (2003)

 

Professional Awards

General Dynamics STAR AWARDS for year 2005 and Year 2006