David Freitag Email & Phone Number

Fairfax, Virginia, Us

• As a key member of the innovation group, researched capabilities and technologies and built prototypes in technologies such as SalesForce, DevSecOps, Data Analytics, and AWS services• Support business development team by documenting solutions, providing proposal support, and providing technical expertise• Lead and mentor Cloud team• Help manage and maintain corporate AWS environment• Setup new environments for projects in corporate AWS environment using Terraform• Implement DevOps pipeline using AWS services such as AWS CodeBuild, AWS ECR, AWS Lambda, Docker• Provide expertise and assistance on projects as needed

Alexandria, Virginia, Us

• Key member on Network Operations Team providing 24/7 support for a government agency• Project Manager for first year. Ramped up team to full capacity and to support 24/7 operations. • Complex hybrid environment consisting of on-premises infrastructure (Microsoft Exchange, Domain Controllers, and servers), Azure, Office 365, and hybrid Active Directory that supported over 10K users. • Day to day task ranged from monitoring the network and infrastructure, managing active directory, managing on-premises Exchange and Office 365/Exchange online, Azure tasks such as management of Azure AD and Creating/Updating Azure Automation Runbooks/schedules, and automating common tasks scripts using PowerShell• Key Technologies and tools: ServiceNow, Microsoft Operations Manager (SCOM), SolarWinds, Azure, and PowerShell

Falls Church, Va, Us

• Responsible for developing and implementing the technical approach for the JPES solution. Implemented an Agile process with the government client. Lead the team through the development of the solution using an Agile methodology. Implemented a secure development environment on AWS GovCloud and includes a continuous integration/deployment (CI/CD) pipeline with automated testing. • Support program and new business development efforts in the following technical areas: Mobile, Cloud Application Development, Cloud Services, DevOps and Continuous Integration/Deployment (CI/CD) • Key member on team that successfully developed cloud based (AWS) and public facing web application for Federal Aviation Administration (FAA) within a short time-frame. Responsible for implementing DevOps practices, setting up development tools, and the continuous integration/deployment (CI/CD) pipeline. Supported AWS infrastructure for both development and production environments. Key Technologies used: Github, JIRA, Jenkins, Ansible, AWS

Global, Us

• Support critical internal project on AWS GovCloud. Responsible for maintaining and supporting infrastructure on AWS GovCloud. Work managed using Kanban methodology. Implemented DevOps framework using CSC’s AppWrx solution. Provide mentoring/coaching to teams on how to implement DevOps pipeline for their project and development best practices. • Senior team member on CSC’s AppWrx DevOps/Agile platform solution. Initiated and converted solution from Chef to Ansible. Trained, coached and mentor team members. Key technologies used: AWS, Ansible, Git, SVN, Jenkins, Selenium, JIRA and Redmine• Chief Engineer on complex Air Force IT system serving over 7,000 users world-wide. Responsible for all aspects of solution development, testing, systems engineering, architecture, and management processes from concept ideation through development, launch and maintenance.

Rockville, Md, Us

• Reported to CIO and was responsible for all software development in a fast paced commercial environment• Re-organized and scaled up software development to support multiple initiatives by using an Agile teaming model and offshore development teams• Collaborated with multiple stakeholders to ensure projects are delivered on-time and within scope• Communicate project status to executive team on a weekly basis• Designed and developed authentication service using Ruby on Rails, OAuth2, Capistrano, MongoDB and Nginx with Phusion Passenger• Designed and developed Javascript Widget for Patient Advisor Platform. Allowed EMRs to drop in functionality to include patient adherence graph and patient education material• Hands on coding experience supporting products using the following technologies: HTML, CSS, Java Script, jQuery, Java, Hibernate, Spring, JUnit, Ruby on Rails, MongoDB, Oracle and Git• Key member on architecture team • Used Confluence and JIRA/Greenhoper to manage agile artifacts and reporting needs

• Responsible for managing the development of Amtrak’s iPhone enterprise solution for over 2500 conductors to validate tickets onboard train• Implemented and managed project using Agile Scrum framework. Coached and trained team on Agile and Scrum. Used Version One to manage agile artifacts and reporting needs• Complex architecture composed of iPhone app, Java enterprise applications, Amtrak enterprise web services and TPF reservation system• Diverse and distributed team made up of Agilex, Agilex subcontractors, Amtrak, and other vendors.• Responsible for Amtrak’s project manager duties to include bi-weekly status reports and schedules • Responsible for reporting project status to Amtrak executive’s on a weekly basis• Responsible for ensuring that project meet Amtrak PMO requirements and quality gates (design, test, deploy)

Global, Us

• Lead a 35+ person Software Engineering Group with primary responsibility for all aspects of requirements, development, systems engineering, and testing for a large complex Air Force system• Oversaw the development of the architecture to include the software, hardware, and communications to support the total requirements as well as provide for present and future cross-functional requirements and interfaces• Liaison to client’s Chief engineer. Duties included leading and facilitating numerous technical exchange meetings and design reviews with all stakeholders• Architected SOA solution; to include negotiating solution requirements with client and client’s senior management. This was a key factor to CSC being awarded the sole source contract• Lead small team using the Agile Scrum framework to prototype the SOA solution in 4 months• Responsible for monthly EVM reporting. Developed performance management baseline for technical activities and participated in the integrated baseline review with stakeholders• Responsible for compliance with program CMMI level 3 life cycle processes• Facilitated and presented on various topics to large audiences

• Direct and manage multiple J2EE web application projects simultaneously in a fast paced and fix priced contract environment using Agile Scrum framework• Actively involved in stakeholder meetings, gathering requirements, architecting technical solutions, status meetings, and demonstration of applications• Wrote technical approach, developed initial work breakdown structure, and costing for proposals• Responsible for establishing technical credibility and long term relationships with clients • Built software engineering group and processes from scratch: • Used common J2EE architecture across all projects • Implemented a common software methodology using agile principals • Developed standard documentation templates for requirements and software design • Used UML diagrams for documenting and modeling software • Applied lessons learned to continually improve process and architecture • Responsible for recruiting, coaching, and managing technical staff; including writing performance appraisals • Developed commercial web based product. Brought initial concept into realization using agile principals• Technologies applied AJAX, Java 1.5, Struts, Spring, Hibernate, JBoss, Oracle Application Server, Oracle Database, Microsoft SQL Server, and MySQL• Tools used Eclipse, Subversion, CVS, Mantis (Bug tracking), Visio, Microsoft Project, and Microsoft Office

• Project lead for a commercial product that exchanged data between disparate databases using xml • Responsible for developing the components that defined data mapping between data sources, translating between the data sources based on the data mapping, importing into a database data source including the creation of database structure and transaction support • Key contributions were development of a pluggable map rule architecture, implementing a xml data source, and database import • Skills applied Java, JDBC, XML, Oracle, SQL Server, DB2, OOAD, design patterns, and Microsoft Project • Duties included team schedules, conducting performance reviews for team members, architecting, and developing software

• Implemented the Rational Unified process for the group • Developed and implemented plan to convert existing Visual C++ application to n-tier. Completed three enhancements to product using the n-tier solution. • Developed a transition plan to convert the legacy Visual C++ application to Java with an n-tier architecture that will be migrated to J2EE • Developed and implemented a generic n-tier grid solution using Java, JDBC, Swing and XML. I used XML to transfer the grid contents from the business tier to the presentation tier • Conducted a study group on J2EE to introduce technology into group• Skills applied Java, Swing, JDBC, XML, Visual C++, MFC, ODBC, ATL, COM, SQL Server, Oracle, OOAD, and design patterns • Duties included maintenance, task lead and software architect for a commercial telecom software product

formerly ESystems• Lead Software Engineer on research and development project that focused on 3D graphics, bridging SGI platform to NT PC and new technologies like Java. Responsible for schedules, software development, training, tasking team members, and assisting in demonstrations • Developed, designed and built the research and development software using OOA/D, C++, Open GL, and Performer on a SGI/Unix platform• Bridged a third party messaging middleware from SGI to NT PC using Java, JNI and TCP/IP sockets• Added speech recognition and text to speech functionality using Visual C++ (Developer Studio 6.0), MFC, WIN32 and the OLE/COM Microsoft Speech SDK to the R&D project • Responsible for GUI and graphics software development on large scale distributed command and control system using X/Motif, C, C++, OOA/D on SGI/Unix and SUN/Solaris operating systems• Completed multiple life cycles including a field assignment