John L. Walker

***** ******** **** *******

Ashburn, VA 20148

Email: ace566@r.postjobfree.com

Phone: 571-***-****

Security Clearance

Active Top Secret / SCI (Dec 2011)

Professional Experience

21 CT; Vienna, Virginia July 2011 – Present

Web Application development for Department of Labor (DOL), creating/testing new application

modules per approved FRD & FSD documentation as well as maintaining existing foreign labor visa

registration system. Responsibilities included upgrading ColdFusion 8.0 to ColdFusion 9.0, updating

Oracle 9i to 11g, and administering Redmine application. As a team lead, responsible for the

guidance, instruction, and direction of 6 developers while reporting directly to the Developer Manager

and Project Manager.

Science Applications International Corporation; McLean, Virginia February 2008 - 2011 (full-

time), transitioned to Consulting Employee July 2011 - Present

Web Application Developer

Created web application using ColdFusion 8.0 for the Department of Homeland Security (DHS).

Primary role to work closely with the DBA in an ongoing effort to convert the current Client/Server

application to a Web-Based application using Windows Server 2003, IIS, ColdFusion 8.0, PHP,

AJAX, Javascript, and SQL Server.

Science Applications International Corporation; Arlington, Virginia June 2007 - February 2008

Web Application Developer – USMC Iraq

Designed and created several web applications using PHP, ASP and .NET technologies for the United

States Marine Corps. Applications included ground convoy tracking and air support tracking &

scheduling. Developed tools used by enlisted personnel as well as reporting/monitoring tools used by

officer personnel.

Science Applications International Corporation; Arlington, Virginia July 2003 - June 2007

Software Engineer/Web Developer

Created web application using Java technologies for the Defense Intelligence Agency (DIA) and the

Central MASINT Office (CMO). Project was to analyze and document the business logic of an

existing application written in Oracle PL/SQL. For this effort I developed Java Beans, Servlets and

Java Server Pages (JSP) to tailor the Model-View-Controller (MVC) design paradigm using Jakarta

Struts. Utilized Oracle 9i as the backend data source, and implemented the Object Oriented Analysis

and Design (OOA/D) approach along with implementing the Unified Modeling Language (UML) in

designing and analyzing the requirements of the software application. Responsible for 508 testing and

compliance.

John L. Walker

23493 Buckland Farm Terrace

Ashburn, VA 20148

Email: ace566@r.postjobfree.com

Phone: 571-***-****

Enterworks, Inc Ashburn, Virginia February 1998 - June 2003

Buy Site Administrator

Redesigned and implemented ECB (Enterworks Catalog Builder) Buy Site for online

software purchases. Used EBIS-Px (Enterworks Business Integration Solution

Process Exchange) to maintain routing control of orders. Created HTML, JSP, and ColdFusion

templates used within the ordering process that resulted in overall reduction in time to live site from 2-

3 days to 1 hour.

Additional responsibilities included administering Oracle 9i to maintain customer and order

information records, Web Server (IIS 5.0), and Application Server (ColdFusion 5.0). Maintained

sponsor data (e.g. Company name, logo image, price points) in order to dynamically create and

display order forms based on these predetermined parameters and user session information. Though

not required, site was tested and maintained 508 standards compliance.

Technical Consultant

Provided technical services to multiple customers utilizing EBIS-Px for process

flow management. Led web development projects using Allaire JRun application

server, JSP (Java Server Pages), Java Servlets, HTML, Photoshop, Macromedia

Dreamweaver MX, ASP (Active Server Pages) and XML. Completed POC (Proof of

concept) implementation, and ascertained requirements from both meetings and site surveys to

determine the best implementation direction that would meet the customer’s needs.

Senior Technical Trainer

Created and taught custom course material for unique training environments. Additional

responsibilities were to proof standard course material for accuracy of technical information, and

maintain synchronization between course material and latest software release. Instructed both beginner

and advanced courses ranging in size from 4 - 20 students, and led training completed meetings to

address software enhancements and training material changes.

Computer Proficiency

Programming Languages: ColdFusion, ASP, JSP, DHTML, HTML, XML, XHTML, JavaScript,

ASP.Net, Java,PHP (limited), and JQuery

Operating Systems: Microsoft Windows and Unix (limited)

Databases: SQL Server 2000,Oracle 9i & 11g, and MySQL

Software Applications: Enterworks Business Integration Solution, Macromedia

Dreamweaver, Adobe Photoshop, ImageReady, Visual Studio (C#), Microsoft Visual Web Developer,

Textpad (Freehand coding), Redmine 2.1+, Eclipse, and Coldbox framework

Education

Continuing studies towards BS in Computer Science

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